Update. cvs/libc-ud-970827

1997-08-10 19:17  Philip Blundell  <Philip.Blundell@pobox.com>

	* nss/nss_db/db-XXX.c: Include <db_185.h> not <db.h>.  Somebody
	should update this to use the new db API.
	* nss/nss_db/db-netgrp.c: Likewise.
	* nss/nss_db/db-alias.c: Likewise.
	* db2/Makefile: Makefile for db-2.x in glibc.

1997-08-27 21:20  Ulrich Drepper  <drepper@cygnus.com>

	* csu/Makefile (before-compile): New goal.  Make sure abi-tag.h
	is generated.
	[$(elf)=yes] (asm-CPPFLAGS): Make sure abi-tag.h file can be found.

	* Makeconfig [$(build-omitfp)=yes] (CFLAGS-.o): Add
	-D__USE_STRING_INLINES.
	* string/string.f: Move strnlen optimization after inclusion of
	<bits/string.h>.  Include <bits/string.h> only if __USE_STRING_INLINES
	is defined.
	* sysdeps/generic/memcpy.c: Undef memcpy to allow macro of this name
	in <bits/string.h>.
	* sysdeps/generic/memset.c: Likewise.
	* sysdeps/i386/string.h: i386 optimized string functions.
	* sysdeps/i386/i486string.h: i486+ optimized string functions.

	* Makefile (subdirs): Change db to db2.
	* shlib-versions: Bump libdb verion number to 3.
	* include/db.h: Include from db2 directory.
	* include/db_185.h: New file.
	* sysdeps/i386/Makefile [$(subdirs)=db2] (CPPFLAGS): Add macros
	to provide spinlock information for db2.
	* sysdeps/m68k/m68020/Makefile: New file.  Likewise.
	* sysdeps/sparc/Makefile: New file.  Likewise.
	* sysdeps/unix/sysv/linux/Makefile [$(subdirs)=db2] (CPPFLAGS):
	Add -DHAVE_LLSEEK.
	* db2/config.h: Hand-edited config file for db2 in glibc.
	* db2/compat.h: New file from db-2.3.4.
	* db2/db.h: Likewise.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/makedb.c: Likewise.
	* db2/btree/bt_close.c: Likewise.
	* db2/btree/bt_compare.c: Likewise.
	* db2/btree/bt_conv.c: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_delete.c: Likewise.
	* db2/btree/bt_open.c: Likewise.
	* db2/btree/bt_page.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.c: Likewise.
	* db2/btree/btree_auto.c: Likewise.
	* db2/btree/bt_rsearch.c: Likewise.
	* db2/btree/bt_search.c: Likewise.
	* db2/btree/bt_split.c: Likewise.
	* db2/btree/bt_stat.c: Likewise.
	* db2/btree/btree.src: Likewise.
	* db2/common/db_appinit.c: Likewise.
	* db2/common/db_err.c: Likewise.
	* db2/common/db_byteorder.c: Likewise.
	* db2/common/db_apprec.c: Likewise.
	* db2/common/db_salloc.c: Likewise.
	* db2/common/db_log2.c: Likewise.
	* db2/common/db_region.c: Likewise.
	* db2/common/db_shash.c: Likewise.
	* db2/db/db.c: Likewise.
	* db2/db/db.src: Likewise.
	* db2/db/db_conv.c: Likewise.
	* db2/db/db_dispatch.c: Likewise.
	* db2/db/db_dup.c: Likewise.
	* db2/db/db_overflow.c: Likewise.
	* db2/db/db_pr.c: Likewise.
	* db2/db/db_rec.c: Likewise.
	* db2/db/db_ret.c: Likewise.
	* db2/db/db_thread.c: Likewise.
	* db2/db/db_auto.c: Likewise.
	* db2/db185/db185.c: Likewise.
	* db2/db185/db185_int.h: Likewise.
	* db2/dbm/dbm.c: Likewise.
	* db2/hash/hash.c: Likewise.
	* db2/hash/hash.src: Likewise.
	* db2/hash/hash_page.c: Likewise.
	* db2/hash/hash_conv.c: Likewise.
	* db2/hash/hash_debug.c: Likewise.
	* db2/hash/hash_stat.c: Likewise.
	* db2/hash/hash_rec.c: Likewise.
	* db2/hash/hash_dup.c: Likewise.
	* db2/hash/hash_func.c: Likewise.
	* db2/hash/hash_auto.c: Likewise.
	* db2/include/mp.h: Likewise.
	* db2/include/btree.h: Likewise.
	* db2/include/db.h.src: Likewise.
	* db2/include/db_int.h.src: Likewise.
	* db2/include/db_shash.h: Likewise.
	* db2/include/db_swap.h: Likewise.
	* db2/include/db_185.h.src: Likewise.
	* db2/include/txn.h: Likewise.
	* db2/include/db_am.h: Likewise.
	* db2/include/shqueue.h: Likewise.
	* db2/include/hash.h: Likewise.
	* db2/include/db_dispatch.h: Likewise.
	* db2/include/lock.h: Likewise.
	* db2/include/db_page.h: Likewise.
	* db2/include/log.h: Likewise.
	* db2/include/db_auto.h: Likewise.
	* db2/include/btree_auto.h: Likewise.
	* db2/include/hash_auto.h: Likewise.
	* db2/include/log_auto.h: Likewise.
	* db2/include/txn_auto.h: Likewise.
	* db2/include/db_ext.h: Likewise.
	* db2/include/btree_ext.h: Likewise.
	* db2/include/clib_ext.h: Likewise.
	* db2/include/common_ext.h: Likewise.
	* db2/include/hash_ext.h: Likewise.
	* db2/include/lock_ext.h: Likewise.
	* db2/include/log_ext.h: Likewise.
	* db2/include/mp_ext.h: Likewise.
	* db2/include/mutex_ext.h: Likewise.
	* db2/include/os_ext.h: Likewise.
	* db2/include/txn_ext.h: Likewise.
	* db2/include/cxx_int.h: Likewise.
	* db2/include/db_cxx.h: Likewise.
	* db2/include/queue.h: Likewise.
	* db2/lock/lock.c: Likewise.
	* db2/lock/lock_conflict.c: Likewise.
	* db2/lock/lock_util.c: Likewise.
	* db2/lock/lock_deadlock.c: Likewise.
	* db2/log/log.c: Likewise.
	* db2/log/log_get.c: Likewise.
	* db2/log/log.src: Likewise.
	* db2/log/log_compare.c: Likewise.
	* db2/log/log_put.c: Likewise.
	* db2/log/log_rec.c: Likewise.
	* db2/log/log_archive.c: Likewise.
	* db2/log/log_register.c: Likewise.
	* db2/log/log_auto.c: Likewise.
	* db2/log/log_findckp.c: Likewise.
	* db2/mp/mp_bh.c: Likewise.
	* db2/mp/mp_fget.c: Likewise.
	* db2/mp/mp_fopen.c: Likewise.
	* db2/mp/mp_fput.c: Likewise.
	* db2/mp/mp_fset.c: Likewise.
	* db2/mp/mp_open.c: Likewise.
	* db2/mp/mp_region.c: Likewise.
	* db2/mp/mp_pr.c: Likewise.
	* db2/mp/mp_sync.c: Likewise.
	* db2/mutex/68020.gcc: Likewise.
	* db2/mutex/mutex.c: Likewise.
	* db2/mutex/README: Likewise.
	* db2/mutex/x86.gcc: Likewise.
	* db2/mutex/sparc.gcc: Likewise.
	* db2/mutex/uts4.cc.s: Likewise.
	* db2/mutex/alpha.dec: Likewise.
	* db2/mutex/alpha.gcc: Likewise.
	* db2/mutex/parisc.gcc: Likewise.
	* db2/mutex/parisc.hp: Likewise.
	* db2/os/db_os_abs.c: Likewise.
	* db2/os/db_os_dir.c: Likewise.
	* db2/os/db_os_fid.c: Likewise.
	* db2/os/db_os_lseek.c: Likewise.
	* db2/os/db_os_mmap.c: Likewise.
	* db2/os/db_os_open.c: Likewise.
	* db2/os/db_os_rw.c: Likewise.
	* db2/os/db_os_sleep.c: Likewise.
	* db2/os/db_os_stat.c: Likewise.
	* db2/os/db_os_unlink.c: Likewise.
	* db2/txn/txn.c: Likewise.
	* db2/txn/txn.src: Likewise.
	* db2/txn/txn_rec.c: Likewise.
	* db2/txn/txn_auto.c: Likewise.
	* db2/clib/getlong.c: Likewise.
	* db2/progs/db_archive/db_archive.c: Likewise.
	* db2/progs/db_checkpoint/db_checkpoint.c: Likewise.
	* db2/progs/db_deadlock/db_deadlock.c: Likewise.
	* db2/progs/db_dump/db_dump.c: Likewise.
	* db2/progs/db_dump185/db_dump185.c: Likewise.
	* db2/progs/db_load/db_load.c: Likewise.
	* db2/progs/db_printlog/db_printlog.c: Likewise.
	* db2/progs/db_recover/db_recover.c: Likewise.
	* db2/progs/db_stat/db_stat.c: Likewise.

	* libio/stdio.h [__cplusplus] (__STDIO_INLINE): Define as inline.

	* po/de.po, po/sv.po: Update from 2.0.5 translations.

	* sysdeps/unix/sysv/linux/netinet/tcp.h: Pretty print.

	* sunrpc/rpc/xdr.h (XDR): Don't define argument of x_destroy callback
	as const.
	* sunrpc/xdr_mem.c (xdrmem_destroy): Don't define argument as const.
	* sunrpx/xdr_rec.c (xdrrec_destroy): Likewise.
	* sunrpx/xdr_stdio.c (xdrstdio_destroy): Likewise.

1997-08-27 18:47  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/if_index.c: Include <errno.h>.
	Reported by Benjamin Kosnik <bkoz@cygnus.com>.

1997-08-27 02:27  Roland McGrath  <roland@baalperazim.frob.com>

	* abi-tags: New file.
	* csu/Makefile (distribute): Remove abi-tag.h.
	($(objpfx)abi-tag.h): New target.
	* Makefile (distribute): Add abi-tags.
	* sysdeps/unix/sysv/linux/abi-tag.h: File removed.
	* sysdeps/mach/hurd/abi-tag.h: File removed.
	* sysdeps/stub/abi-tag.h: File removed.

1997-08-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/make-syscalls.sh: Change output so that it
	generates compilation rules only for the currently selected object
	suffixes.

1997-08-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/dl-machine.h (RTLD_START): Switch back to previous
	section to avoid confusing the compiler.
	* sysdeps/alpha/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/i386/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/mips/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/mips/mips64/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise.

	* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use a GOT
	relocation instead of a constant to avoid text relocation.
	(ELF_MACHINE_BEFORE_RTLD_RELOC): Removed.
	(RTLD_START): Declare global labels as functions and add size
	directive.

1997-08-25 17:01  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/bits/select.h: Correct assembler versions to work even
	for descriptors >= 32.

	* stdlib/alloca.h: Don't define alloca to __alloca since if gcc
	is used __alloca is not defined to __builtin_alloca and so might
	not be available.
	Reported by Uwe Ohse <uwe@ohse.de>.

	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Define macros in a special
	way if gcc is not used and so dev_t is an array.
	Reported by Uwe Ohse <uwe@ohse.de>.

1997-08-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/libc.texinfo: Reorder chapters to match logical order.

1997-08-25 12:22  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/rpc/xdr.h: Change name of parameters in prototypes of
	xdr_reference, xdrmem_create, and xdrstdio_create because of clash
	with g++ internal symbols.
	Patch by Sudish Joseph <sj@eng.mindspring.net>.

	* elf/dl-deps.c: Implement handling of DT_FILTER.

1 files changed, 355 insertions, 0 deletions

diff --git a/db2/log/log_get.c b/db2/log/log_get.c
new file mode 100644
index 0000000000..37eb5cb249
--- /dev/null
+++ b/db2/log/log_get.c
@@ -0,0 +1,355 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)log_get.c	10.16 (Sleepycat) 8/19/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "shqueue.h"
+#include "db_page.h"
+#include "log.h"
+#include "hash.h"
+#include "common_ext.h"
+
+/*
+ * log_get --
+ *	Get a log record.
+ */
+int
+log_get(dblp, alsn, dbt, flags)
+	DB_LOG *dblp;
+	DB_LSN *alsn;
+	DBT *dbt;
+	int flags;
+{
+	LOG *lp;
+	int ret;
+
+	/* Validate arguments. */
+#define	OKFLAGS	(DB_CHECKPOINT | \
+    DB_CURRENT | DB_FIRST | DB_LAST | DB_NEXT | DB_PREV | DB_SET)
+	if (flags != 0) {
+		if ((ret =
+		    __db_fchk(dblp->dbenv, "log_get", flags, OKFLAGS)) != 0)
+			return (ret);
+		switch (flags) {
+		case DB_CHECKPOINT:
+		case DB_CURRENT:
+		case DB_FIRST:
+		case DB_LAST:
+		case DB_NEXT:
+		case DB_PREV:
+		case DB_SET:
+		case 0:
+			break;
+		default:
+			return (__db_ferr(dblp->dbenv, "log_get", 1));
+		}
+	}
+	if (F_ISSET(dblp, DB_AM_THREAD)) {
+		if (LF_ISSET(DB_NEXT | DB_PREV | DB_CURRENT))
+			return (__db_ferr(dblp->dbenv, "log_get", 1));
+		if (!F_ISSET(dbt, DB_DBT_USERMEM | DB_DBT_MALLOC))
+			return (__db_ferr(dblp->dbenv, "threaded data", 1));
+	}
+
+	lp = dblp->lp;
+
+	LOCK_LOGREGION(dblp);
+
+	/*
+	 * If we get one of the log's header records, repeat the operation.
+	 * This assumes that applications don't ever request the log header
+	 * records by LSN, but that seems reasonable to me.
+	 */
+	ret = __log_get(dblp, alsn, dbt, flags, 0);
+	if (ret == 0 && alsn->offset == 0) {
+		switch (flags) {
+		case DB_FIRST:
+			flags = DB_NEXT;
+			break;
+		case DB_LAST:
+			flags = DB_PREV;
+			break;
+		}
+		ret = __log_get(dblp, alsn, dbt, flags, 0);
+	}
+
+	UNLOCK_LOGREGION(dblp);
+
+	return (ret);
+}
+
+/*
+ * __log_get --
+ *	Get a log record; internal version.
+ *
+ * PUBLIC: int __log_get __P((DB_LOG *, DB_LSN *, DBT *, int, int));
+ */
+int
+__log_get(dblp, alsn, dbt, flags, silent)
+	DB_LOG *dblp;
+	DB_LSN *alsn;
+	DBT *dbt;
+	int flags, silent;
+{
+	DB_LSN nlsn;
+	HDR hdr;
+	LOG *lp;
+	size_t len;
+	ssize_t nr;
+	int cnt, ret;
+	const char *fail;
+	char *np, *tbuf;
+	void *p, *shortp;
+
+	lp = dblp->lp;
+	fail = np = tbuf = NULL;
+
+	nlsn = dblp->c_lsn;
+	switch (flags) {
+	case DB_CHECKPOINT:
+		nlsn = dblp->lp->c_lsn;
+		if (IS_ZERO_LSN(nlsn)) {
+			__db_err(dblp->dbenv,
+	"log_get: unable to find checkpoint record: no checkpoint set.");
+			ret = ENOENT;
+			goto err2;
+		}
+		break;
+	case DB_NEXT:				/* Next log record. */
+		if (!IS_ZERO_LSN(nlsn)) {
+			/* Increment the cursor by the cursor record size. */
+			nlsn.offset += dblp->c_len;
+			break;
+		}
+		/* FALLTHROUGH */
+	case DB_FIRST:				/* Find the first log record. */
+		/*
+		 * Find any log file.  Note, we may have only entered records
+		 * in the buffer, and not yet written a log file.
+		 */
+		if ((ret = __log_find(dblp->dbenv, lp, &cnt)) != 0) {
+			__db_err(dblp->dbenv,
+	"log_get: unable to find the first record: no log files found.");
+			goto err2;
+		}
+
+		/* If there's anything in the buffer, it belongs to file 1. */
+		if (cnt == 0)
+			cnt = 1;
+
+		/* Now go backwards to find the smallest one. */
+		for (; cnt > 1; --cnt)
+			if (__log_valid(dblp->dbenv, NULL, cnt) != 0) {
+				++cnt;
+				break;
+			}
+		nlsn.file = cnt;
+		nlsn.offset = 0;
+		break;
+	case DB_CURRENT:			/* Current log record. */
+		break;
+	case DB_PREV:				/* Previous log record. */
+		if (!IS_ZERO_LSN(nlsn)) {
+			/* If at start-of-file, move to the previous file. */
+			if (nlsn.offset == 0) {
+				if (nlsn.file == 1)
+					return (DB_NOTFOUND);
+
+				--nlsn.file;
+				nlsn.offset = dblp->c_off;
+			} else
+				nlsn.offset = dblp->c_off;
+			break;
+		}
+		/* FALLTHROUGH */
+	case DB_LAST:				/* Last log record. */
+		nlsn.file = lp->lsn.file;
+		nlsn.offset = lp->lsn.offset - lp->len;
+		break;
+	case DB_SET:				/* Set log record. */
+		nlsn = *alsn;
+		break;
+	}
+
+retry:
+	/* Return 1 if the request is past end-of-file. */
+	if (nlsn.file > lp->lsn.file ||
+	    (nlsn.file == lp->lsn.file && nlsn.offset >= lp->lsn.offset))
+		return (DB_NOTFOUND);
+
+	/* If we've switched files, discard the current fd. */
+	if (dblp->c_lsn.file != nlsn.file && dblp->c_fd != -1) {
+		(void)__db_close(dblp->c_fd);
+		dblp->c_fd = -1;
+	}
+
+	/* If the entire record is in the in-memory buffer, copy it out. */
+	if (nlsn.file == lp->lsn.file && nlsn.offset >= lp->w_off) {
+		/* Copy the header. */
+		p = lp->buf + (nlsn.offset - lp->w_off);
+		memcpy(&hdr, p, sizeof(HDR));
+
+		/* Copy the record. */
+		len = hdr.len - sizeof(HDR);
+		if ((ret = __db_retcopy(dbt, (u_int8_t *)p + sizeof(HDR),
+		    len, &dblp->c_dbt.data, &dblp->c_dbt.ulen, NULL)) != 0)
+			goto err1;
+		goto cksum;
+	}
+
+	/*
+	 * Move the file descriptor to the page that has the hdr.  We dealt
+	 * with moving to a previous log file in the flags switch code, but
+	 * we don't yet know if we'll need to move to a subsequent file.
+	 *
+	 * Acquire a file descriptor.
+	 */
+	if (dblp->c_fd == -1) {
+		if ((ret = __log_name(dblp->dbenv, nlsn.file, &np)) != 0)
+			goto err1;
+		if ((ret = __db_fdopen(np, DB_RDONLY | DB_SEQUENTIAL,
+		    DB_RDONLY | DB_SEQUENTIAL, 0, &dblp->c_fd)) != 0) {
+			fail = np;
+			goto err1;
+		}
+		free(np);
+		np = NULL;
+	}
+
+	/* Seek to the header offset and read the header. */
+	if ((ret = __db_lseek(dblp->c_fd, 0, 0, nlsn.offset, SEEK_SET)) != 0) {
+		fail = "seek";
+		goto err1;
+	}
+	if ((ret = __db_read(dblp->c_fd, &hdr, sizeof(HDR), &nr)) != 0) {
+		fail = "read";
+		goto err1;
+	}
+	if (nr == sizeof(HDR))
+		shortp = NULL;
+	else {
+		/* If read returns EOF, try the next file. */
+		if (nr == 0) {
+			if (flags != DB_NEXT || nlsn.file == lp->lsn.file)
+				goto corrupt;
+
+			/* Move to the next file. */
+			++nlsn.file;
+			nlsn.offset = 0;
+			goto retry;
+		}
+
+		/*
+		 * If read returns a short count the rest of the record has
+		 * to be in the in-memory buffer.
+		 */
+		if (lp->b_off < sizeof(HDR) - nr)
+			goto corrupt;
+
+		/* Get the rest of the header from the in-memory buffer. */
+		memcpy((u_int8_t *)&hdr + nr, lp->buf, sizeof(HDR) - nr);
+		shortp = lp->buf + (sizeof(HDR) - nr);
+	}
+
+	/*
+	 * Check for buffers of 0's, that's what we usually see during
+	 * recovery, although it's certainly not something on which we
+	 * can depend.
+	 */
+	if (hdr.len <= sizeof(HDR))
+		goto corrupt;
+	len = hdr.len - sizeof(HDR);
+
+	/* If we've already moved to the in-memory buffer, fill from there. */
+	if (shortp != NULL) {
+		if (lp->b_off < ((u_int8_t *)shortp - lp->buf) + len)
+			goto corrupt;
+		if ((ret = __db_retcopy(dbt, shortp, len,
+		    &dblp->c_dbt.data, &dblp->c_dbt.ulen, NULL)) != 0)
+			goto err1;
+		goto cksum;
+	}
+
+	/* Allocate temporary memory to hold the record. */
+	if ((tbuf = (char *)malloc(len)) == NULL) {
+		ret = ENOMEM;
+		goto err1;
+	}
+
+	/*
+	 * Read the record into the buffer.  If read returns a short count,
+	 * there was an error or the rest of the record is in the in-memory
+	 * buffer.  Note, the information may be garbage if we're in recovery,
+	 * so don't read past the end of the buffer's memory.
+	 */
+	if ((ret = __db_read(dblp->c_fd, tbuf, len, &nr)) != 0) {
+		fail = "read";
+		goto err1;
+	}
+	if (len - nr > sizeof(lp->buf))
+		goto corrupt;
+	if (nr != (ssize_t)len) {
+		if (lp->b_off < len - nr)
+			goto corrupt;
+
+		/* Get the rest of the record from the in-memory buffer. */
+		memcpy((u_int8_t *)tbuf + nr, lp->buf, len - nr);
+	}
+
+	/* Copy the record into the user's DBT. */
+	if ((ret = __db_retcopy(dbt, tbuf, len,
+	    &dblp->c_dbt.data, &dblp->c_dbt.ulen, NULL)) != 0)
+		goto err1;
+	free(tbuf);
+
+cksum:	if (hdr.cksum != __ham_func4(dbt->data, dbt->size)) {
+		if (!silent)
+			__db_err(dblp->dbenv, "log_get: checksum mismatch");
+		goto corrupt;
+	}
+
+	/* Update the cursor and the return lsn. */
+	dblp->c_off = hdr.prev;
+	dblp->c_len = hdr.len;
+	dblp->c_lsn = *alsn = nlsn;
+
+	return (0);
+
+corrupt:/*
+	 * This is the catchall -- for some reason we didn't find enough
+	 * information or it wasn't reasonable information, and it wasn't
+	 * because a system call failed.
+	 */
+	ret = EIO;
+	fail = "read";
+
+err1:	if (!silent)
+		if (fail == NULL)
+			__db_err(dblp->dbenv, "log_get: %s", strerror(ret));
+		else
+			__db_err(dblp->dbenv,
+			    "log_get: %s: %s", fail, strerror(ret));
+err2:	if (np != NULL)
+		free(np);
+	if (tbuf != NULL)
+		free(tbuf);
+	return (ret);
+}