r19428: moved tdbutil.c from lib/tdb/common/ to lib/util/util_tdb.c

tdbutil.c is Samba specific, so should not be part of the generic tdb
library
(This used to be commit 979dd24f5e44605fc1603b690913b8c31be7478f)

1 files changed, 0 insertions, 549 deletions

diff --git a/source4/lib/tdb/common/tdbutil.c b/source4/lib/tdb/common/tdbutil.c
deleted file mode 100644
index 1cf1eb8842f..00000000000
--- a/source4/lib/tdb/common/tdbutil.c
+++ /dev/null
@@ -1,549 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-
-   tdb utility functions
-
-   Copyright (C) Andrew Tridgell 1992-2005
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-/*
-  NOTE: these utility functions are specific to Samba, and are not part
-  of the core tdb code
-*/
-
-#include "includes.h"
-#include "lib/tdb/include/tdbutil.h"
-#include "system/glob.h"
-#include "system/wait.h"
-#include "system/filesys.h"
-#include "lib/util/dlinklist.h"
-#include "pstring.h"
-
-/* these are little tdb utility functions that are meant to make
-   dealing with a tdb database a little less cumbersome in Samba */
-
-/***************************************************************
- Make a TDB_DATA and keep the const warning in one place
-****************************************************************/
-
-static TDB_DATA make_tdb_data(const char *dptr, size_t dsize)
-{
-	TDB_DATA ret;
-	ret.dptr = discard_const_p(unsigned char, dptr);
-	ret.dsize = dsize;
-	return ret;
-}
-
-/****************************************************************************
- Lock a chain by string. Return -1 if lock failed.
-****************************************************************************/
-
-int tdb_lock_bystring(struct tdb_context *tdb, const char *keyval)
-{
-	TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
-	
-	return tdb_chainlock(tdb, key);
-}
-
-/****************************************************************************
- Unlock a chain by string.
-****************************************************************************/
-
-void tdb_unlock_bystring(struct tdb_context *tdb, const char *keyval)
-{
-	TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
-
-	tdb_chainunlock(tdb, key);
-}
-
-/****************************************************************************
- Read lock a chain by string. Return -1 if lock failed.
-****************************************************************************/
-
-int tdb_read_lock_bystring(struct tdb_context *tdb, const char *keyval)
-{
-	TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
-	
-	return tdb_chainlock_read(tdb, key);
-}
-
-/****************************************************************************
- Read unlock a chain by string.
-****************************************************************************/
-
-void tdb_read_unlock_bystring(struct tdb_context *tdb, const char *keyval)
-{
-	TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
-	
-	tdb_chainunlock_read(tdb, key);
-}
-
-
-/****************************************************************************
- Fetch a int32_t value by a arbitrary blob key, return -1 if not found.
- Output is int32_t in native byte order.
-****************************************************************************/
-
-int32_t tdb_fetch_int32_byblob(struct tdb_context *tdb, const char *keyval, size_t len)
-{
-	TDB_DATA key = make_tdb_data(keyval, len);
-	TDB_DATA data;
-	int32_t ret;
-
-	data = tdb_fetch(tdb, key);
-	if (!data.dptr || data.dsize != sizeof(int32_t)) {
-		SAFE_FREE(data.dptr);
-		return -1;
-	}
-
-	ret = IVAL(data.dptr,0);
-	SAFE_FREE(data.dptr);
-	return ret;
-}
-
-/****************************************************************************
- Fetch a int32_t value by string key, return -1 if not found.
- Output is int32_t in native byte order.
-****************************************************************************/
-
-int32_t tdb_fetch_int32(struct tdb_context *tdb, const char *keystr)
-{
-	return tdb_fetch_int32_byblob(tdb, keystr, strlen(keystr) + 1);
-}
-
-/****************************************************************************
- Store a int32_t value by an arbitary blob key, return 0 on success, -1 on failure.
- Input is int32_t in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-int tdb_store_int32_byblob(struct tdb_context *tdb, const char *keystr, size_t len, int32_t v)
-{
-	TDB_DATA key = make_tdb_data(keystr, len);
-	TDB_DATA data;
-	int32_t v_store;
-
-	SIVAL(&v_store,0,v);
-	data.dptr = (void *)&v_store;
-	data.dsize = sizeof(int32_t);
-
-	return tdb_store(tdb, key, data, TDB_REPLACE);
-}
-
-/****************************************************************************
- Store a int32_t value by string key, return 0 on success, -1 on failure.
- Input is int32_t in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-int tdb_store_int32(struct tdb_context *tdb, const char *keystr, int32_t v)
-{
-	return tdb_store_int32_byblob(tdb, keystr, strlen(keystr) + 1, v);
-}
-
-/****************************************************************************
- Fetch a uint32_t value by a arbitrary blob key, return -1 if not found.
- Output is uint32_t in native byte order.
-****************************************************************************/
-
-BOOL tdb_fetch_uint32_byblob(struct tdb_context *tdb, const char *keyval, size_t len, uint32_t *value)
-{
-	TDB_DATA key = make_tdb_data(keyval, len);
-	TDB_DATA data;
-
-	data = tdb_fetch(tdb, key);
-	if (!data.dptr || data.dsize != sizeof(uint32_t)) {
-		SAFE_FREE(data.dptr);
-		return False;
-	}
-
-	*value = IVAL(data.dptr,0);
-	SAFE_FREE(data.dptr);
-	return True;
-}
-
-/****************************************************************************
- Fetch a uint32_t value by string key, return -1 if not found.
- Output is uint32_t in native byte order.
-****************************************************************************/
-
-BOOL tdb_fetch_uint32(struct tdb_context *tdb, const char *keystr, uint32_t *value)
-{
-	return tdb_fetch_uint32_byblob(tdb, keystr, strlen(keystr) + 1, value);
-}
-
-/****************************************************************************
- Store a uint32_t value by an arbitary blob key, return 0 on success, -1 on failure.
- Input is uint32_t in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-BOOL tdb_store_uint32_byblob(struct tdb_context *tdb, const char *keystr, size_t len, uint32_t value)
-{
-	TDB_DATA key = make_tdb_data(keystr, len);
-	TDB_DATA data;
-	uint32_t v_store;
-	BOOL ret = True;
-
-	SIVAL(&v_store, 0, value);
-	data.dptr = (void *)&v_store;
-	data.dsize = sizeof(uint32_t);
-
-	if (tdb_store(tdb, key, data, TDB_REPLACE) == -1)
-		ret = False;
-
-	return ret;
-}
-
-/****************************************************************************
- Store a uint32_t value by string key, return 0 on success, -1 on failure.
- Input is uint32_t in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-BOOL tdb_store_uint32(struct tdb_context *tdb, const char *keystr, uint32_t value)
-{
-	return tdb_store_uint32_byblob(tdb, keystr, strlen(keystr) + 1, value);
-}
-/****************************************************************************
- Store a buffer by a null terminated string key.  Return 0 on success, -1
- on failure.
-****************************************************************************/
-
-int tdb_store_bystring(struct tdb_context *tdb, const char *keystr, TDB_DATA data, int flags)
-{
-	TDB_DATA key = make_tdb_data(keystr, strlen(keystr)+1);
-	
-	return tdb_store(tdb, key, data, flags);
-}
-
-/****************************************************************************
- Fetch a buffer using a null terminated string key.  Don't forget to call
- free() on the result dptr.
-****************************************************************************/
-
-TDB_DATA tdb_fetch_bystring(struct tdb_context *tdb, const char *keystr)
-{
-	TDB_DATA key = make_tdb_data(keystr, strlen(keystr)+1);
-
-	return tdb_fetch(tdb, key);
-}
-
-/****************************************************************************
- Delete an entry using a null terminated string key. 
-****************************************************************************/
-
-int tdb_delete_bystring(struct tdb_context *tdb, const char *keystr)
-{
-	TDB_DATA key = make_tdb_data(keystr, strlen(keystr)+1);
-
-	return tdb_delete(tdb, key);
-}
-
-/****************************************************************************
- Atomic integer change. Returns old value. To create, set initial value in *oldval. 
-****************************************************************************/
-
-int32_t tdb_change_int32_atomic(struct tdb_context *tdb, const char *keystr, int32_t *oldval, int32_t change_val)
-{
-	int32_t val;
-	int32_t ret = -1;
-
-	if (tdb_lock_bystring(tdb, keystr) == -1)
-		return -1;
-
-	if ((val = tdb_fetch_int32(tdb, keystr)) == -1) {
-		/* The lookup failed */
-		if (tdb_error(tdb) != TDB_ERR_NOEXIST) {
-			/* but not because it didn't exist */
-			goto err_out;
-		}
-		
-		/* Start with 'old' value */
-		val = *oldval;
-
-	} else {
-		/* It worked, set return value (oldval) to tdb data */
-		*oldval = val;
-	}
-
-	/* Increment value for storage and return next time */
-	val += change_val;
-		
-	if (tdb_store_int32(tdb, keystr, val) == -1)
-		goto err_out;
-
-	ret = 0;
-
-  err_out:
-
-	tdb_unlock_bystring(tdb, keystr);
-	return ret;
-}
-
-/****************************************************************************
- Atomic unsigned integer change. Returns old value. To create, set initial value in *oldval. 
-****************************************************************************/
-
-BOOL tdb_change_uint32_atomic(struct tdb_context *tdb, const char *keystr, uint32_t *oldval, uint32_t change_val)
-{
-	uint32_t val;
-	BOOL ret = False;
-
-	if (tdb_lock_bystring(tdb, keystr) == -1)
-		return False;
-
-	if (!tdb_fetch_uint32(tdb, keystr, &val)) {
-		/* It failed */
-		if (tdb_error(tdb) != TDB_ERR_NOEXIST) { 
-			/* and not because it didn't exist */
-			goto err_out;
-		}
-
-		/* Start with 'old' value */
-		val = *oldval;
-
-	} else {
-		/* it worked, set return value (oldval) to tdb data */
-		*oldval = val;
-
-	}
-
-	/* get a new value to store */
-	val += change_val;
-		
-	if (!tdb_store_uint32(tdb, keystr, val))
-		goto err_out;
-
-	ret = True;
-
-  err_out:
-
-	tdb_unlock_bystring(tdb, keystr);
-	return ret;
-}
-
-/****************************************************************************
- Allow tdb_delete to be used as a tdb_traversal_fn.
-****************************************************************************/
-
-int tdb_traverse_delete_fn(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf,
-                     void *state)
-{
-    return tdb_delete(the_tdb, key);
-}
-
-
-
-/****************************************************************************
- Useful pair of routines for packing/unpacking data consisting of
- integers and strings.
-****************************************************************************/
-
-size_t tdb_pack(TDB_CONTEXT *tdb, char *buf, int bufsize, const char *fmt, ...)
-{
-	va_list ap;
-	uint8_t bt;
-	uint16_t w;
-	uint32_t d;
-	int i;
-	void *p;
-	int len;
-	char *s;
-	char c;
-	char *buf0 = buf;
-	const char *fmt0 = fmt;
-	int bufsize0 = bufsize;
-	tdb_log_func log_fn = tdb_log_fn(tdb);
-
-	va_start(ap, fmt);
-
-	while (*fmt) {
-		switch ((c = *fmt++)) {
-		case 'b': /* unsigned 8-bit integer */
-			len = 1;
-			bt = (uint8_t)va_arg(ap, int);
-			if (bufsize && bufsize >= len)
-				SSVAL(buf, 0, bt);
-			break;
-		case 'w': /* unsigned 16-bit integer */
-			len = 2;
-			w = (uint16_t)va_arg(ap, int);
-			if (bufsize && bufsize >= len)
-				SSVAL(buf, 0, w);
-			break;
-		case 'd': /* signed 32-bit integer (standard int in most systems) */
-			len = 4;
-			d = va_arg(ap, uint32_t);
-			if (bufsize && bufsize >= len)
-				SIVAL(buf, 0, d);
-			break;
-		case 'p': /* pointer */
-			len = 4;
-			p = va_arg(ap, void *);
-			d = p?1:0;
-			if (bufsize && bufsize >= len)
-				SIVAL(buf, 0, d);
-			break;
-		case 'P': /* null-terminated string */
-			s = va_arg(ap,char *);
-			w = strlen(s);
-			len = w + 1;
-			if (bufsize && bufsize >= len)
-				memcpy(buf, s, len);
-			break;
-		case 'f': /* null-terminated string */
-			s = va_arg(ap,char *);
-			w = strlen(s);
-			len = w + 1;
-			if (bufsize && bufsize >= len)
-				memcpy(buf, s, len);
-			break;
-		case 'B': /* fixed-length string */
-			i = va_arg(ap, int);
-			s = va_arg(ap, char *);
-			len = 4+i;
-			if (bufsize && bufsize >= len) {
-				SIVAL(buf, 0, i);
-				memcpy(buf+4, s, i);
-			}
-			break;
-		default:
-			log_fn(tdb, 0,"Unknown tdb_pack format %c in %s\n", 
-			       c, fmt);
-			len = 0;
-			break;
-		}
-
-		buf += len;
-		if (bufsize)
-			bufsize -= len;
-		if (bufsize < 0)
-			bufsize = 0;
-	}
-
-	va_end(ap);
-
-	log_fn(tdb, 18,"tdb_pack(%s, %d) -> %d\n", 
-	       fmt0, bufsize0, (int)PTR_DIFF(buf, buf0));
-	
-	return PTR_DIFF(buf, buf0);
-}
-
-/****************************************************************************
- Useful pair of routines for packing/unpacking data consisting of
- integers and strings.
-****************************************************************************/
-
-int tdb_unpack(TDB_CONTEXT *tdb, char *buf, int bufsize, const char *fmt, ...)
-{
-	va_list ap;
-	uint8_t *bt;
-	uint16_t *w;
-	uint32_t *d;
-	int len;
-	int *i;
-	void **p;
-	char *s, **b;
-	char c;
-	char *buf0 = buf;
-	const char *fmt0 = fmt;
-	int bufsize0 = bufsize;
-	tdb_log_func log_fn = tdb_log_fn(tdb);
-
-	va_start(ap, fmt);
-	
-	while (*fmt) {
-		switch ((c=*fmt++)) {
-		case 'b':
-			len = 1;
-			bt = va_arg(ap, uint8_t *);
-			if (bufsize < len)
-				goto no_space;
-			*bt = SVAL(buf, 0);
-			break;
-		case 'w':
-			len = 2;
-			w = va_arg(ap, uint16_t *);
-			if (bufsize < len)
-				goto no_space;
-			*w = SVAL(buf, 0);
-			break;
-		case 'd':
-			len = 4;
-			d = va_arg(ap, uint32_t *);
-			if (bufsize < len)
-				goto no_space;
-			*d = IVAL(buf, 0);
-			break;
-		case 'p':
-			len = 4;
-			p = va_arg(ap, void **);
-			if (bufsize < len)
-				goto no_space;
-			*p = (void *)IVAL(buf, 0);
-			break;
-		case 'P':
-			s = va_arg(ap,char *);
-			len = strlen(buf) + 1;
-			if (bufsize < len || len > sizeof(pstring))
-				goto no_space;
-			memcpy(s, buf, len);
-			break;
-		case 'f':
-			s = va_arg(ap,char *);
-			len = strlen(buf) + 1;
-			if (bufsize < len || len > sizeof(fstring))
-				goto no_space;
-			memcpy(s, buf, len);
-			break;
-		case 'B':
-			i = va_arg(ap, int *);
-			b = va_arg(ap, char **);
-			len = 4;
-			if (bufsize < len)
-				goto no_space;
-			*i = IVAL(buf, 0);
-			if (! *i) {
-				*b = NULL;
-				break;
-			}
-			len += *i;
-			if (bufsize < len)
-				goto no_space;
-			*b = (char *)malloc(*i);
-			if (! *b)
-				goto no_space;
-			memcpy(*b, buf+4, *i);
-			break;
-		default:
-			log_fn(tdb, 0, "Unknown tdb_unpack format %c in %s\n", 
-			       c, fmt);
-
-			len = 0;
-			break;
-		}
-
-		buf += len;
-		bufsize -= len;
-	}
-
-	va_end(ap);
-
-	log_fn(tdb, 18, "tdb_unpack(%s, %d) -> %d\n", 
-	       fmt0, bufsize0, (int)PTR_DIFF(buf, buf0));
-
-	return PTR_DIFF(buf, buf0);
-
- no_space:
-	return -1;
-}