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db_auto.c

/* Do not edit: automatically built by gen_rec.awk. */

#include "db_config.h"

#include "db_int.h"
#include "dbinc/crypto.h"
#include "dbinc/db_page.h"
#include "dbinc/db_dispatch.h"
#include "dbinc/db_am.h"
#include "dbinc/log.h"
#include "dbinc/txn.h"

/*
 * PUBLIC: int __db_addrem_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_pgno_t, u_int32_t, u_int32_t,
 * PUBLIC:     const DBT *, const DBT *, DB_LSN *));
 */
int
__db_addrem_log(dbp, txnp, ret_lsnp, flags,
    opcode, pgno, indx, nbytes, hdr,
    dbt, pagelsn)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t opcode;
      db_pgno_t pgno;
      u_int32_t indx;
      u_int32_t nbytes;
      const DBT *hdr;
      const DBT *dbt;
      DB_LSN * pagelsn;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_addrem;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (hdr == NULL ? 0 : hdr->size)
          + sizeof(u_int32_t) + (dbt == NULL ? 0 : dbt->size)
          + sizeof(*pagelsn);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)opcode;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)indx;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)nbytes;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (hdr == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &hdr->size, sizeof(hdr->size));
            bp += sizeof(hdr->size);
            memcpy(bp, hdr->data, hdr->size);
            bp += hdr->size;
      }

      if (dbt == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &dbt->size, sizeof(dbt->size));
            bp += sizeof(dbt->size);
            memcpy(bp, dbt->data, dbt->size);
            bp += dbt->size;
      }

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_addrem_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_addrem_read __P((DB_ENV *, void *, __db_addrem_args **));
 */
int
__db_addrem_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_addrem_args **argpp;
{
      __db_addrem_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_addrem_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->opcode = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->indx = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->nbytes = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->hdr, 0, sizeof(argp->hdr));
      memcpy(&argp->hdr.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->hdr.data = bp;
      bp += argp->hdr.size;

      memset(&argp->dbt, 0, sizeof(argp->dbt));
      memcpy(&argp->dbt.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->dbt.data = bp;
      bp += argp->dbt.size;

      memcpy(&argp->pagelsn, bp,  sizeof(argp->pagelsn));
      bp += sizeof(argp->pagelsn);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_big_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_pgno_t, db_pgno_t, db_pgno_t,
 * PUBLIC:     const DBT *, DB_LSN *, DB_LSN *, DB_LSN *));
 */
int
__db_big_log(dbp, txnp, ret_lsnp, flags,
    opcode, pgno, prev_pgno, next_pgno, dbt,
    pagelsn, prevlsn, nextlsn)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t opcode;
      db_pgno_t pgno;
      db_pgno_t prev_pgno;
      db_pgno_t next_pgno;
      const DBT *dbt;
      DB_LSN * pagelsn;
      DB_LSN * prevlsn;
      DB_LSN * nextlsn;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_big;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (dbt == NULL ? 0 : dbt->size)
          + sizeof(*pagelsn)
          + sizeof(*prevlsn)
          + sizeof(*nextlsn);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)opcode;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)prev_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)next_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (dbt == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &dbt->size, sizeof(dbt->size));
            bp += sizeof(dbt->size);
            memcpy(bp, dbt->data, dbt->size);
            bp += dbt->size;
      }

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

      if (prevlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(prevlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, prevlsn) != 0))
                        return (ret);
            }
            memcpy(bp, prevlsn, sizeof(*prevlsn));
      } else
            memset(bp, 0, sizeof(*prevlsn));
      bp += sizeof(*prevlsn);

      if (nextlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(nextlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, nextlsn) != 0))
                        return (ret);
            }
            memcpy(bp, nextlsn, sizeof(*nextlsn));
      } else
            memset(bp, 0, sizeof(*nextlsn));
      bp += sizeof(*nextlsn);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_big_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_big_read __P((DB_ENV *, void *, __db_big_args **));
 */
int
__db_big_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_big_args **argpp;
{
      __db_big_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_big_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->opcode = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->prev_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->dbt, 0, sizeof(argp->dbt));
      memcpy(&argp->dbt.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->dbt.data = bp;
      bp += argp->dbt.size;

      memcpy(&argp->pagelsn, bp,  sizeof(argp->pagelsn));
      bp += sizeof(argp->pagelsn);

      memcpy(&argp->prevlsn, bp,  sizeof(argp->prevlsn));
      bp += sizeof(argp->prevlsn);

      memcpy(&argp->nextlsn, bp,  sizeof(argp->nextlsn));
      bp += sizeof(argp->nextlsn);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_ovref_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, int32_t, DB_LSN *));
 */
int
__db_ovref_log(dbp, txnp, ret_lsnp, flags, pgno, adjust, lsn)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      int32_t adjust;
      DB_LSN * lsn;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_ovref;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*lsn);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)adjust;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, lsn) != 0))
                        return (ret);
            }
            memcpy(bp, lsn, sizeof(*lsn));
      } else
            memset(bp, 0, sizeof(*lsn));
      bp += sizeof(*lsn);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_ovref_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_ovref_read __P((DB_ENV *, void *, __db_ovref_args **));
 */
int
__db_ovref_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_ovref_args **argpp;
{
      __db_ovref_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_ovref_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->adjust = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn, bp,  sizeof(argp->lsn));
      bp += sizeof(argp->lsn);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_relink_42_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_relink_42_args **));
 */
int
__db_relink_42_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_relink_42_args **argpp;
{
      __db_relink_42_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_relink_42_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->opcode = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn, bp,  sizeof(argp->lsn));
      bp += sizeof(argp->lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->prev = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn_prev, bp,  sizeof(argp->lsn_prev));
      bp += sizeof(argp->lsn_prev);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn_next, bp,  sizeof(argp->lsn_next));
      bp += sizeof(argp->lsn_next);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_debug_log __P((DB_ENV *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, const DBT *, int32_t, const DBT *, const DBT *,
 * PUBLIC:     u_int32_t));
 */
int
__db_debug_log(dbenv, txnp, ret_lsnp, flags,
    op, fileid, key, data, arg_flags)
      DB_ENV *dbenv;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      const DBT *op;
      int32_t fileid;
      const DBT *key;
      const DBT *data;
      u_int32_t arg_flags;
{
      DBT logrec;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      COMPQUIET(lr, NULL);

      rectype = DB___db_debug;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t) + (op == NULL ? 0 : op->size)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (key == NULL ? 0 : key->size)
          + sizeof(u_int32_t) + (data == NULL ? 0 : data->size)
          + sizeof(u_int32_t);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      if (op == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &op->size, sizeof(op->size));
            bp += sizeof(op->size);
            memcpy(bp, op->data, op->size);
            bp += op->size;
      }

      uinttmp = (u_int32_t)fileid;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (key == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &key->size, sizeof(key->size));
            bp += sizeof(key->size);
            memcpy(bp, key->data, key->size);
            bp += key->size;
      }

      if (data == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &data->size, sizeof(data->size));
            bp += sizeof(data->size);
            memcpy(bp, data->data, data->size);
            bp += data->size;
      }

      uinttmp = (u_int32_t)arg_flags;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_debug_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_debug_read __P((DB_ENV *, void *, __db_debug_args **));
 */
int
__db_debug_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_debug_args **argpp;
{
      __db_debug_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_debug_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memset(&argp->op, 0, sizeof(argp->op));
      memcpy(&argp->op.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->op.data = bp;
      bp += argp->op.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->key, 0, sizeof(argp->key));
      memcpy(&argp->key.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->key.data = bp;
      bp += argp->key.size;

      memset(&argp->data, 0, sizeof(argp->data));
      memcpy(&argp->data.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->data.data = bp;
      bp += argp->data.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->arg_flags = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_noop_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *));
 */
int
__db_noop_log(dbp, txnp, ret_lsnp, flags, pgno, prevlsn)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      DB_LSN * prevlsn;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_noop;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*prevlsn);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (prevlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(prevlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, prevlsn) != 0))
                        return (ret);
            }
            memcpy(bp, prevlsn, sizeof(*prevlsn));
      } else
            memset(bp, 0, sizeof(*prevlsn));
      bp += sizeof(*prevlsn);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_noop_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_noop_read __P((DB_ENV *, void *, __db_noop_args **));
 */
int
__db_noop_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_noop_args **argpp;
{
      __db_noop_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_noop_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->prevlsn, bp,  sizeof(argp->prevlsn));
      bp += sizeof(argp->prevlsn);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_alloc_42_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_pg_alloc_42_args **));
 */
int
__db_pg_alloc_42_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_alloc_42_args **argpp;
{
      __db_pg_alloc_42_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_alloc_42_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->page_lsn, bp,  sizeof(argp->page_lsn));
      bp += sizeof(argp->page_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->ptype = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_alloc_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, DB_LSN *, db_pgno_t, DB_LSN *, db_pgno_t, u_int32_t,
 * PUBLIC:     db_pgno_t, db_pgno_t));
 */
int
__db_pg_alloc_log(dbp, txnp, ret_lsnp, flags, meta_lsn, meta_pgno, page_lsn, pgno, ptype,
    next, last_pgno)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      DB_LSN * meta_lsn;
      db_pgno_t meta_pgno;
      DB_LSN * page_lsn;
      db_pgno_t pgno;
      u_int32_t ptype;
      db_pgno_t next;
      db_pgno_t last_pgno;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_alloc;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(*meta_lsn)
          + sizeof(u_int32_t)
          + sizeof(*page_lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (meta_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(meta_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, meta_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, meta_lsn, sizeof(*meta_lsn));
      } else
            memset(bp, 0, sizeof(*meta_lsn));
      bp += sizeof(*meta_lsn);

      uinttmp = (u_int32_t)meta_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (page_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(page_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, page_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, page_lsn, sizeof(*page_lsn));
      } else
            memset(bp, 0, sizeof(*page_lsn));
      bp += sizeof(*page_lsn);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)ptype;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)next;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)last_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_alloc_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_alloc_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_pg_alloc_args **));
 */
int
__db_pg_alloc_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_alloc_args **argpp;
{
      __db_pg_alloc_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_alloc_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->page_lsn, bp,  sizeof(argp->page_lsn));
      bp += sizeof(argp->page_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->ptype = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->last_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_free_42_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_pg_free_42_args **));
 */
int
__db_pg_free_42_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_free_42_args **argpp;
{
      __db_pg_free_42_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_free_42_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->header, 0, sizeof(argp->header));
      memcpy(&argp->header.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->header.data = bp;
      bp += argp->header.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_free_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, const DBT *,
 * PUBLIC:     db_pgno_t, db_pgno_t));
 */
int
__db_pg_free_log(dbp, txnp, ret_lsnp, flags, pgno, meta_lsn, meta_pgno, header, next,
    last_pgno)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      DB_LSN * meta_lsn;
      db_pgno_t meta_pgno;
      const DBT *header;
      db_pgno_t next;
      db_pgno_t last_pgno;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_free;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*meta_lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (header == NULL ? 0 : header->size)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (meta_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(meta_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, meta_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, meta_lsn, sizeof(*meta_lsn));
      } else
            memset(bp, 0, sizeof(*meta_lsn));
      bp += sizeof(*meta_lsn);

      uinttmp = (u_int32_t)meta_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (header == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &header->size, sizeof(header->size));
            bp += sizeof(header->size);
            memcpy(bp, header->data, header->size);
            bp += header->size;
      }

      uinttmp = (u_int32_t)next;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)last_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_free_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_free_read __P((DB_ENV *, void *, __db_pg_free_args **));
 */
int
__db_pg_free_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_free_args **argpp;
{
      __db_pg_free_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_free_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->header, 0, sizeof(argp->header));
      memcpy(&argp->header.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->header.data = bp;
      bp += argp->header.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->last_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_cksum_log __P((DB_ENV *, DB_TXN *, DB_LSN *, u_int32_t));
 */
int
__db_cksum_log(dbenv, txnp, ret_lsnp, flags)
      DB_ENV *dbenv;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
{
      DBT logrec;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      COMPQUIET(lr, NULL);

      rectype = DB___db_cksum;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_cksum_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_cksum_read __P((DB_ENV *, void *, __db_cksum_args **));
 */
int
__db_cksum_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_cksum_args **argpp;
{
      __db_cksum_args *argp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_cksum_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_freedata_42_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_pg_freedata_42_args **));
 */
int
__db_pg_freedata_42_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_freedata_42_args **argpp;
{
      __db_pg_freedata_42_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_freedata_42_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->header, 0, sizeof(argp->header));
      memcpy(&argp->header.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->header.data = bp;
      bp += argp->header.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->data, 0, sizeof(argp->data));
      memcpy(&argp->data.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->data.data = bp;
      bp += argp->data.size;

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_freedata_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, const DBT *,
 * PUBLIC:     db_pgno_t, db_pgno_t, const DBT *));
 */
int
__db_pg_freedata_log(dbp, txnp, ret_lsnp, flags, pgno, meta_lsn, meta_pgno, header, next,
    last_pgno, data)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      DB_LSN * meta_lsn;
      db_pgno_t meta_pgno;
      const DBT *header;
      db_pgno_t next;
      db_pgno_t last_pgno;
      const DBT *data;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_freedata;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*meta_lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (header == NULL ? 0 : header->size)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (data == NULL ? 0 : data->size);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (meta_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(meta_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, meta_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, meta_lsn, sizeof(*meta_lsn));
      } else
            memset(bp, 0, sizeof(*meta_lsn));
      bp += sizeof(*meta_lsn);

      uinttmp = (u_int32_t)meta_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (header == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &header->size, sizeof(header->size));
            bp += sizeof(header->size);
            memcpy(bp, header->data, header->size);
            bp += header->size;
      }

      uinttmp = (u_int32_t)next;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)last_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (data == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &data->size, sizeof(data->size));
            bp += sizeof(data->size);
            memcpy(bp, data->data, data->size);
            bp += data->size;
      }

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_freedata_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_freedata_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_pg_freedata_args **));
 */
int
__db_pg_freedata_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_freedata_args **argpp;
{
      __db_pg_freedata_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_freedata_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->header, 0, sizeof(argp->header));
      memcpy(&argp->header.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->header.data = bp;
      bp += argp->header.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->last_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->data, 0, sizeof(argp->data));
      memcpy(&argp->data.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->data.data = bp;
      bp += argp->data.size;

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_prepare_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t));
 */
int
__db_pg_prepare_log(dbp, txnp, ret_lsnp, flags, pgno)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_prepare;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_prepare_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_prepare_read __P((DB_ENV *, void *,
 * PUBLIC:     __db_pg_prepare_args **));
 */
int
__db_pg_prepare_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_prepare_args **argpp;
{
      __db_pg_prepare_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_prepare_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_new_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, const DBT *,
 * PUBLIC:     db_pgno_t));
 */
int
__db_pg_new_log(dbp, txnp, ret_lsnp, flags, pgno, meta_lsn, meta_pgno, header, next)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      DB_LSN * meta_lsn;
      db_pgno_t meta_pgno;
      const DBT *header;
      db_pgno_t next;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_new;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*meta_lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (header == NULL ? 0 : header->size)
          + sizeof(u_int32_t);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (meta_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(meta_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, meta_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, meta_lsn, sizeof(*meta_lsn));
      } else
            memset(bp, 0, sizeof(*meta_lsn));
      bp += sizeof(*meta_lsn);

      uinttmp = (u_int32_t)meta_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (header == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &header->size, sizeof(header->size));
            bp += sizeof(header->size);
            memcpy(bp, header->data, header->size);
            bp += header->size;
      }

      uinttmp = (u_int32_t)next;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_new_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_new_read __P((DB_ENV *, void *, __db_pg_new_args **));
 */
int
__db_pg_new_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_new_args **argpp;
{
      __db_pg_new_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_new_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->header, 0, sizeof(argp->header));
      memcpy(&argp->header.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->header.data = bp;
      bp += argp->header.size;

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->next = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_init_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, const DBT *, const DBT *));
 */
int
__db_pg_init_log(dbp, txnp, ret_lsnp, flags, pgno, header, data)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      const DBT *header;
      const DBT *data;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_init;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (header == NULL ? 0 : header->size)
          + sizeof(u_int32_t) + (data == NULL ? 0 : data->size);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (header == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &header->size, sizeof(header->size));
            bp += sizeof(header->size);
            memcpy(bp, header->data, header->size);
            bp += header->size;
      }

      if (data == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &data->size, sizeof(data->size));
            bp += sizeof(data->size);
            memcpy(bp, data->data, data->size);
            bp += data->size;
      }

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_init_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_init_read __P((DB_ENV *, void *, __db_pg_init_args **));
 */
int
__db_pg_init_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_init_args **argpp;
{
      __db_pg_init_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_init_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->header, 0, sizeof(argp->header));
      memcpy(&argp->header.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->header.data = bp;
      bp += argp->header.size;

      memset(&argp->data, 0, sizeof(argp->data));
      memcpy(&argp->data.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->data.data = bp;
      bp += argp->data.size;

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_pg_sort_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, DB_LSN *, db_pgno_t,
 * PUBLIC:     const DBT *));
 */
int
__db_pg_sort_log(dbp, txnp, ret_lsnp, flags, meta, meta_lsn, last_free, last_lsn, last_pgno,
    list)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t meta;
      DB_LSN * meta_lsn;
      db_pgno_t last_free;
      DB_LSN * last_lsn;
      db_pgno_t last_pgno;
      const DBT *list;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t zero, uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___db_pg_sort;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 0)
                  return (ret);
            /*
             * We need to assign begin_lsn while holding region mutex.
             * That assignment is done inside the DbEnv->log_put call,
             * so pass in the appropriate memory location to be filled
             * in by the log_put code.
             */
            DB_SET_TXN_LSNP(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*meta_lsn)
          + sizeof(u_int32_t)
          + sizeof(*last_lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (list == NULL ? 0 : list->size);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == NULL) {
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                  return (ret);
      } else {
            if ((ret = __os_malloc(dbenv,
                logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                  return (ret);
#ifdef DIAGNOSTIC
            if ((ret =
                __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                  __os_free(dbenv, lr);
                  return (ret);
            }
#else
            logrec.data = lr->data;
#endif
      }
      if (npad > 0)
            memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

      bp = logrec.data;

      memcpy(bp, &rectype, sizeof(rectype));
      bp += sizeof(rectype);

      memcpy(bp, &txn_num, sizeof(txn_num));
      bp += sizeof(txn_num);

      memcpy(bp, lsnp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      uinttmp = (u_int32_t)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      uinttmp = (u_int32_t)meta;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (meta_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(meta_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, meta_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, meta_lsn, sizeof(*meta_lsn));
      } else
            memset(bp, 0, sizeof(*meta_lsn));
      bp += sizeof(*meta_lsn);

      uinttmp = (u_int32_t)last_free;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (last_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(last_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, last_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, last_lsn, sizeof(*last_lsn));
      } else
            memset(bp, 0, sizeof(*last_lsn));
      bp += sizeof(*last_lsn);

      uinttmp = (u_int32_t)last_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (list == NULL) {
            zero = 0;
            memcpy(bp, &zero, sizeof(u_int32_t));
            bp += sizeof(u_int32_t);
      } else {
            memcpy(bp, &list->size, sizeof(list->size));
            bp += sizeof(list->size);
            memcpy(bp, list->data, list->size);
            bp += list->size;
      }

      DB_ASSERT(dbenv,
          (u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#ifdef DIAGNOSTIC
            /*
             * Set the debug bit if we are going to log non-durable
             * transactions so they will be ignored by recovery.
             */
            memcpy(lr->data, logrec.data, logrec.size);
            rectype |= DB_debug_FLAG;
            memcpy(logrec.data, &rectype, sizeof(rectype));

            if (!IS_REP_CLIENT(dbenv))
                  ret = __log_put(dbenv,
                      rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#endif
            STAILQ_INSERT_HEAD(&txnp->logs, lr, links);
            F_SET((TXN_DETAIL *)txnp->td, TXN_DTL_INMEMORY);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__db_pg_sort_print(dbenv,
                (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
      __os_free(dbenv, logrec.data);
#else
      if (is_durable || txnp == NULL)
            __os_free(dbenv, logrec.data);
#endif
      return (ret);
}

/*
 * PUBLIC: int __db_pg_sort_read __P((DB_ENV *, void *, __db_pg_sort_args **));
 */
int
__db_pg_sort_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __db_pg_sort_args **argpp;
{
      __db_pg_sort_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__db_pg_sort_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

      memcpy(&argp->type, bp, sizeof(argp->type));
      bp += sizeof(argp->type);

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->txnid);

      memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
      bp += sizeof(DB_LSN);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->meta = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->last_free = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->last_lsn, bp,  sizeof(argp->last_lsn));
      bp += sizeof(argp->last_lsn);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->last_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

      memset(&argp->list, 0, sizeof(argp->list));
      memcpy(&argp->list.size, bp, sizeof(u_int32_t));
      bp += sizeof(u_int32_t);
      argp->list.data = bp;
      bp += argp->list.size;

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __db_init_recover __P((DB_ENV *, int (***)(DB_ENV *,
 * PUBLIC:     DBT *, DB_LSN *, db_recops, void *), size_t *));
 */
int
__db_init_recover(dbenv, dtabp, dtabsizep)
      DB_ENV *dbenv;
      int (***dtabp)__P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
      size_t *dtabsizep;
{
      int ret;

      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_addrem_recover, DB___db_addrem)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_big_recover, DB___db_big)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_ovref_recover, DB___db_ovref)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_debug_recover, DB___db_debug)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_noop_recover, DB___db_noop)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_alloc_recover, DB___db_pg_alloc)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_free_recover, DB___db_pg_free)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_cksum_recover, DB___db_cksum)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_freedata_recover, DB___db_pg_freedata)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_prepare_recover, DB___db_pg_prepare)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_new_recover, DB___db_pg_new)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_init_recover, DB___db_pg_init)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __db_pg_sort_recover, DB___db_pg_sort)) != 0)
            return (ret);
      return (0);
}

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