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, 548 insertions, 0 deletions

diff --git a/db2/common/db_err.c b/db2/common/db_err.c
new file mode 100644
index 0000000000..3dc4ca007d
--- /dev/null
+++ b/db2/common/db_err.c
@@ -0,0 +1,548 @@
+/*-
+ * 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[] = "@(#)db_err.c	10.16 (Sleepycat) 8/24/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+#endif
+
+#include "db_int.h"
+#include "common_ext.h"
+
+static int __db_rdonly __P((const DB_ENV *, const char *));
+
+/*
+ * __db_err --
+ *	Standard DB error routine.
+ *
+ * PUBLIC: #ifdef __STDC__
+ * PUBLIC: void __db_err __P((const DB_ENV *dbenv, const char *fmt, ...));
+ * PUBLIC: #else
+ * PUBLIC: void __db_err();
+ * PUBLIC: #endif
+ */
+void
+#ifdef __STDC__
+__db_err(const DB_ENV *dbenv, const char *fmt, ...)
+#else
+__db_err(dbenv, fmt, va_alist)
+	const DB_ENV *dbenv;
+	const char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	char errbuf[2048];	/* XXX: END OF THE STACK DON'T TRUST SPRINTF. */
+
+	if (dbenv == NULL)
+		return;
+
+#ifdef __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	if (dbenv->db_errcall != NULL) {
+		(void)vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
+		dbenv->db_errcall(dbenv->db_errpfx, errbuf);
+	}
+	if (dbenv->db_errfile != NULL) {
+		if (dbenv->db_errpfx != NULL)
+			(void)fprintf(dbenv->db_errfile, "%s: ",
+			    dbenv->db_errpfx);
+		(void)vfprintf(dbenv->db_errfile, fmt, ap);
+		(void)fprintf(dbenv->db_errfile, "\n");
+		(void)fflush(dbenv->db_errfile);
+	}
+	va_end(ap);
+}
+
+/*
+ * XXX
+ * Provide ANSI C prototypes for the panic functions.  Some compilers, (e.g.,
+ * MS VC 4.2) get upset if they aren't here, even though the K&R declaration
+ * appears before the assignment in the __db__panic() call.
+ */
+static int __db_ecursor __P((DB *, DB_TXN *, DBC **));
+static int __db_edel __P((DB *, DB_TXN *, DBT *, int));
+static int __db_efd __P((DB *, int *));
+static int __db_egp __P((DB *, DB_TXN *, DBT *, DBT *, int));
+static int __db_estat __P((DB *, void *, void *(*)(size_t), int));
+static int __db_esync __P((DB *, int));
+
+/*
+ * __db_ecursor --
+ *	After-panic cursor routine.
+ */
+static int
+__db_ecursor(a, b, c)
+	DB *a;
+	DB_TXN *b;
+	DBC **c;
+{
+	a = a; b = b; c = c;			/* XXX: Shut the compiler up. */
+
+	return (EPERM);
+}
+
+/*
+ * __db_edel --
+ *	After-panic delete routine.
+ */
+static int
+__db_edel(a, b, c, d)
+	DB *a;
+	DB_TXN *b;
+	DBT *c;
+	int d;
+{
+	a = a; b = b; c = c; d = d;		/* XXX: Shut the compiler up. */
+
+	return (EPERM);
+}
+
+/*
+ * __db_efd --
+ *	After-panic fd routine.
+ */
+static int
+__db_efd(a, b)
+	DB *a;
+	int *b;
+{
+	a = a; b = b;				/* XXX: Shut the compiler up. */
+
+	return (EPERM);
+}
+
+/*
+ * __db_egp --
+ *	After-panic get/put routine.
+ */
+static int
+__db_egp(a, b, c, d, e)
+	DB *a;
+	DB_TXN *b;
+	DBT *c, *d;
+	int e;
+{
+	a = a; b = b; c = c; d = d; e = e;	/* XXX: Shut the compiler up. */
+
+	return (EPERM);
+}
+
+/*
+ * __db_estat --
+ *	After-panic stat routine.
+ */
+static int
+__db_estat(a, b, c, d)
+	DB *a;
+	void *b;
+	void *(*c) __P((size_t));
+	int d;
+{
+	a = a; b = b; c = c; d = d;		/* XXX: Shut the compiler up. */
+
+	return (EPERM);
+}
+
+/*
+ * __db_esync --
+ *	After-panic sync routine.
+ */
+static int
+__db_esync(a, b)
+	DB *a;
+	int b;
+{
+	a = a; b = b;				/* XXX: Shut the compiler up. */
+
+	return (EPERM);
+}
+
+/*
+ * __db_panic --
+ *	Lock out the tree due to unrecoverable error.
+ *
+ * PUBLIC: int __db_panic __P((DB *));
+ */
+int
+__db_panic(dbp)
+	DB *dbp;
+{
+	/*
+	 * XXX
+	 * We should shut down all of the process's cursors, too.
+	 *
+	 * We should call mpool and have it shut down the file, so we get
+	 * other processes sharing this file as well.
+	 */
+	dbp->cursor = __db_ecursor;
+	dbp->del = __db_edel;
+	dbp->fd = __db_efd;
+	dbp->get = __db_egp;
+	dbp->put = __db_egp;
+	dbp->stat = __db_estat;
+	dbp->sync = __db_esync;
+
+	return (EPERM);
+}
+
+/* Check for invalid flags. */
+#undef	DB_CHECK_FLAGS
+#define	DB_CHECK_FLAGS(dbenv, name, flags, ok_flags)			\
+	if ((flags) & ~(ok_flags))					\
+		return (__db_ferr(dbenv, name, 0));
+/* Check for invalid flag combinations. */
+#undef	DB_CHECK_FCOMBO
+#define	DB_CHECK_FCOMBO(dbenv, name, flags, flag1, flag2)		\
+	if ((flags) & (flag1) && (flags) & (flag2))			\
+		return (__db_ferr(dbenv, name, 1));
+
+/*
+ * __db_fchk --
+ *	General flags checking routine.
+ *
+ * PUBLIC: int __db_fchk __P((DB_ENV *, char *, int, int));
+ */
+int
+__db_fchk(dbenv, name, flags, ok_flags)
+	DB_ENV *dbenv;
+	const char *name;
+	int flags, ok_flags;
+{
+	DB_CHECK_FLAGS(dbenv, name, flags, ok_flags);
+	return (0);
+}
+
+/*
+ * __db_fcchk --
+ *	General combination flags checking routine.
+ *
+ * PUBLIC: int __db_fcchk __P((DB_ENV *, char *, int, int, int));
+ */
+int
+__db_fcchk(dbenv, name, flags, flag1, flag2)
+	DB_ENV *dbenv;
+	const char *name;
+	int flags, flag1, flag2;
+{
+	DB_CHECK_FCOMBO(dbenv, name, flags, flag1, flag2);
+	return (0);
+}
+
+/*
+ * __db_cdelchk --
+ *	Common cursor delete argument checking routine.
+ *
+ * PUBLIC: int __db_cdelchk __P((const DB *, int, int, int));
+ */
+int
+__db_cdelchk(dbp, flags, isrdonly, isvalid)
+	const DB *dbp;
+	int flags, isrdonly, isvalid;
+{
+	/* Check for changes to a read-only tree. */
+	if (isrdonly)
+		return (__db_rdonly(dbp->dbenv, "c_del"));
+
+	/* Check for invalid dbc->c_del() function flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "c_del", flags, 0);
+
+	/*
+	 * The cursor must be initialized, return -1 for an invalid cursor,
+	 * otherwise 0.
+	 */
+	return (isvalid ? 0 : EINVAL);
+}
+
+/*
+ * __db_cgetchk --
+ *	Common cursor get argument checking routine.
+ *
+ * PUBLIC: int __db_cgetchk __P((const DB *, DBT *, DBT *, int, int));
+ */
+int
+__db_cgetchk(dbp, key, data, flags, isvalid)
+	const DB *dbp;
+	DBT *key, *data;
+	int flags, isvalid;
+{
+	int check_key;
+
+	check_key = 0;
+
+	/* Check for invalid dbc->c_get() function flags. */
+	switch (flags) {
+	case DB_CURRENT:
+	case DB_FIRST:
+	case DB_LAST:
+	case DB_NEXT:
+	case DB_PREV:
+	case DB_SET_RANGE:
+		check_key = 1;
+		break;
+	case DB_SET:
+		break;
+	case DB_SET_RECNO:
+	case DB_GET_RECNO:
+		if (!F_ISSET(dbp, DB_BT_RECNUM))
+			goto err;
+		check_key = 1;
+		break;
+	default:
+err:		return (__db_ferr(dbp->dbenv, "c_get", 0));
+	}
+
+	/* Check for invalid key/data flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "key", key->flags,
+	    DB_DBT_MALLOC | DB_DBT_USERMEM | DB_DBT_PARTIAL);
+	DB_CHECK_FLAGS(dbp->dbenv, "data", data->flags,
+	    DB_DBT_MALLOC | DB_DBT_USERMEM | DB_DBT_PARTIAL);
+
+	/* Check dbt's for valid flags when multi-threaded. */
+	if (F_ISSET(dbp, DB_AM_THREAD)) {
+		if (!F_ISSET(data, DB_DBT_USERMEM | DB_DBT_MALLOC))
+			return (__db_ferr(dbp->dbenv, "threaded data", 1));
+		if (check_key &&
+		    !F_ISSET(key, DB_DBT_USERMEM | DB_DBT_MALLOC))
+			return (__db_ferr(dbp->dbenv, "threaded key", 1));
+	}
+
+	/*
+	 * The cursor must be initialized for DB_CURRENT, return -1 for an
+	 * invalid cursor, otherwise 0.
+	 */
+	return (isvalid || flags != DB_CURRENT ? 0 : EINVAL);
+}
+
+/*
+ * __db_cputchk --
+ *	Common cursor put argument checking routine.
+ *
+ * PUBLIC: int __db_cputchk __P((const DB *,
+ * PUBLIC:    const DBT *, DBT *, int, int, int));
+ */
+int
+__db_cputchk(dbp, key, data, flags, isrdonly, isvalid)
+	const DB *dbp;
+	const DBT *key;
+	DBT *data;
+	int flags, isrdonly, isvalid;
+{
+	int check_key;
+
+	/* Check for changes to a read-only tree. */
+	if (isrdonly)
+		return (__db_rdonly(dbp->dbenv, "c_put"));
+
+	/* Check for invalid dbc->c_put() function flags. */
+	check_key = 0;
+	switch (flags) {
+	case DB_AFTER:
+	case DB_BEFORE:
+		if (dbp->type == DB_RECNO && !F_ISSET(dbp, DB_RE_RENUMBER))
+			goto err;
+		if (dbp->type != DB_RECNO && !F_ISSET(dbp, DB_AM_DUP))
+			goto err;
+		break;
+	case DB_CURRENT:
+		break;
+	case DB_KEYFIRST:
+	case DB_KEYLAST:
+		if (dbp->type == DB_RECNO)
+			goto err;
+		check_key = 1;
+		break;
+	default:
+err:		return (__db_ferr(dbp->dbenv, "c_put", 0));
+	}
+
+	/* Check for invalid key/data flags. */
+	if (check_key)
+		DB_CHECK_FLAGS(dbp->dbenv, "key", key->flags,
+		    DB_DBT_MALLOC | DB_DBT_USERMEM | DB_DBT_PARTIAL);
+	DB_CHECK_FLAGS(dbp->dbenv, "data", data->flags,
+	    DB_DBT_MALLOC | DB_DBT_USERMEM | DB_DBT_PARTIAL);
+
+	/*
+	 * The cursor must be initialized for anything other than DB_KEYFIRST
+	 * and DB_KEYLAST, return -1 for an invalid cursor, otherwise 0.
+	 */
+	return (isvalid ||
+	    (flags != DB_KEYFIRST && flags != DB_KEYLAST) ? 0 : EINVAL);
+}
+
+/*
+ * __db_delchk --
+ *	Common delete argument checking routine.
+ *
+ * PUBLIC: int __db_delchk __P((const DB *, int, int));
+ */
+int
+__db_delchk(dbp, flags, isrdonly)
+	const DB *dbp;
+	int flags, isrdonly;
+{
+	/* Check for changes to a read-only tree. */
+	if (isrdonly)
+		return (__db_rdonly(dbp->dbenv, "delete"));
+
+	/* Check for invalid db->del() function flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "delete", flags, 0);
+
+	return (0);
+}
+
+/*
+ * __db_getchk --
+ *	Common get argument checking routine.
+ *
+ * PUBLIC: int __db_getchk __P((const DB *, const DBT *, DBT *, int));
+ */
+int
+__db_getchk(dbp, key, data, flags)
+	const DB *dbp;
+	const DBT *key;
+	DBT *data;
+	int flags;
+{
+	/* Check for invalid db->get() function flags. */
+	DB_CHECK_FLAGS(dbp->dbenv,
+	    "get", flags, F_ISSET(dbp, DB_BT_RECNUM) ? DB_SET_RECNO : 0);
+
+	/* Check for invalid key/data flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "key", key->flags, 0);
+	DB_CHECK_FLAGS(dbp->dbenv, "data", data->flags,
+	    DB_DBT_MALLOC | DB_DBT_USERMEM | DB_DBT_PARTIAL);
+	DB_CHECK_FCOMBO(dbp->dbenv,
+	    "data", data->flags, DB_DBT_MALLOC, DB_DBT_USERMEM);
+	if (F_ISSET(dbp, DB_AM_THREAD) &&
+	    !F_ISSET(data, DB_DBT_MALLOC | DB_DBT_USERMEM))
+		return (__db_ferr(dbp->dbenv, "threaded data", 1));
+
+	return (0);
+}
+
+/*
+ * __db_putchk --
+ *	Common put argument checking routine.
+ *
+ * PUBLIC: int __db_putchk __P((const DB *, DBT *, const DBT *, int, int, int));
+ */
+int
+__db_putchk(dbp, key, data, flags, isrdonly, isdup)
+	const DB *dbp;
+	DBT *key;
+	const DBT *data;
+	int flags, isrdonly, isdup;
+{
+	/* Check for changes to a read-only tree. */
+	if (isrdonly)
+		return (__db_rdonly(dbp->dbenv, "put"));
+
+	/* Check for invalid db->put() function flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "put", flags,
+	    DB_NOOVERWRITE | (dbp->type == DB_RECNO ? DB_APPEND : 0));
+
+	/* Check for invalid key/data flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "key", key->flags, 0);
+	DB_CHECK_FLAGS(dbp->dbenv, "data", data->flags,
+	    DB_DBT_MALLOC | DB_DBT_USERMEM | DB_DBT_PARTIAL);
+	DB_CHECK_FCOMBO(dbp->dbenv,
+	    "data", data->flags, DB_DBT_MALLOC, DB_DBT_USERMEM);
+
+	/* Check for partial puts in the presence of duplicates. */
+	if (isdup && F_ISSET(data, DB_DBT_PARTIAL)) {
+		__db_err(dbp->dbenv,
+"a partial put in the presence of duplicates requires a cursor operation");
+		return (EINVAL);
+	}
+	return (0);
+}
+
+/*
+ * __db_statchk --
+ *	Common stat argument checking routine.
+ *
+ * PUBLIC: int __db_statchk __P((const DB *, int));
+ */
+int
+__db_statchk(dbp, flags)
+	const DB *dbp;
+	int flags;
+{
+	/* Check for invalid db->stat() function flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "stat", flags, DB_RECORDCOUNT);
+
+	if (LF_ISSET(DB_RECORDCOUNT) &&
+	    dbp->type == DB_BTREE && !F_ISSET(dbp, DB_BT_RECNUM))
+		return (__db_ferr(dbp->dbenv, "stat", 0));
+
+	return (0);
+}
+
+/*
+ * __db_syncchk --
+ *	Common sync argument checking routine.
+ *
+ * PUBLIC: int __db_syncchk __P((const DB *, int));
+ */
+int
+__db_syncchk(dbp, flags)
+	const DB *dbp;
+	int flags;
+{
+	/* Check for invalid db->sync() function flags. */
+	DB_CHECK_FLAGS(dbp->dbenv, "sync", flags, 0);
+
+	return (0);
+}
+
+/*
+ * __db_ferr --
+ *	Common flag errors.
+ *
+ * PUBLIC: int __db_ferr __P((const DB_ENV *, char *, int));
+ */
+int
+__db_ferr(dbenv, name, combo)
+	const DB_ENV *dbenv;
+	const char *name;
+	int combo;
+{
+	__db_err(dbenv, "illegal flag %sspecified to %s",
+	    combo ? "combination " : "", name);
+	return (EINVAL);
+}
+
+/*
+ * __db_rdonly --
+ *	Common readonly message.
+ */
+static int
+__db_rdonly(dbenv, name)
+	const DB_ENV *dbenv;
+	const char *name;
+{
+	__db_err(dbenv, "%s: attempt to modify a read-only tree", name);
+	return (EACCES);
+}