#include "includes.h"
#include "../tdb/include/tdb.h"
-#include "pstring.h"
#include "../lib/util/util_tdb.h"
/* these are little tdb utility functions that are meant to make
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 make_tdb_data(const uint8_t *dptr, size_t dsize)
{
TDB_DATA ret;
- ret.dptr = discard_const_p(unsigned char, dptr);
+ ret.dptr = discard_const_p(uint8_t, dptr);
ret.dsize = dsize;
return ret;
}
+TDB_DATA string_tdb_data(const char *string)
+{
+ return make_tdb_data((const uint8 *)string, string ? strlen(string) : 0 );
+}
+
+TDB_DATA string_term_tdb_data(const char *string)
+{
+ return make_tdb_data((const uint8 *)string, string ? strlen(string) + 1 : 0);
+}
+
/****************************************************************************
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);
+ TDB_DATA key = string_term_tdb_data(keyval);
return tdb_chainlock(tdb, key);
}
void tdb_unlock_bystring(struct tdb_context *tdb, const char *keyval)
{
- TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
+ TDB_DATA key = string_term_tdb_data(keyval);
tdb_chainunlock(tdb, key);
}
int tdb_read_lock_bystring(struct tdb_context *tdb, const char *keyval)
{
- TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
+ TDB_DATA key = string_term_tdb_data(keyval);
return tdb_chainlock_read(tdb, key);
}
void tdb_read_unlock_bystring(struct tdb_context *tdb, const char *keyval)
{
- TDB_DATA key = make_tdb_data(keyval, strlen(keyval)+1);
+ TDB_DATA key = string_term_tdb_data(keyval);
tdb_chainunlock_read(tdb, key);
}
Output is int32_t in native byte order.
****************************************************************************/
-int32_t tdb_fetch_int32_byblob(struct tdb_context *tdb, const char *keyval, size_t len)
+int32_t tdb_fetch_int32_byblob(struct tdb_context *tdb, TDB_DATA key)
{
- TDB_DATA key = make_tdb_data(keyval, len);
TDB_DATA data;
int32_t ret;
int32_t tdb_fetch_int32(struct tdb_context *tdb, const char *keystr)
{
- return tdb_fetch_int32_byblob(tdb, keystr, strlen(keystr) + 1);
+ return tdb_fetch_int32_byblob(tdb, string_term_tdb_data(keystr));
}
/****************************************************************************
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)
+int tdb_store_int32_byblob(struct tdb_context *tdb, TDB_DATA key, int32_t v)
{
- TDB_DATA key = make_tdb_data(keystr, len);
TDB_DATA data;
int32_t v_store;
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);
+ return tdb_store_int32_byblob(tdb, string_term_tdb_data(keystr), v);
}
/****************************************************************************
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)
+bool tdb_fetch_uint32_byblob(struct tdb_context *tdb, TDB_DATA key, uint32_t *value)
{
- TDB_DATA key = make_tdb_data(keyval, len);
TDB_DATA data;
data = tdb_fetch(tdb, key);
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);
+ return tdb_fetch_uint32_byblob(tdb, string_term_tdb_data(keystr), value);
}
/****************************************************************************
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)
+bool tdb_store_uint32_byblob(struct tdb_context *tdb, TDB_DATA key, uint32_t value)
{
- TDB_DATA key = make_tdb_data(keystr, len);
TDB_DATA data;
uint32_t v_store;
bool ret = true;
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);
+ return tdb_store_uint32_byblob(tdb, string_term_tdb_data(keystr), value);
}
/****************************************************************************
Store a buffer by a null terminated string key. Return 0 on success, -1
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);
+ TDB_DATA key = string_term_tdb_data(keystr);
return tdb_store(tdb, key, data, flags);
}
TDB_DATA tdb_fetch_bystring(struct tdb_context *tdb, const char *keystr)
{
- TDB_DATA key = make_tdb_data(keystr, strlen(keystr)+1);
+ TDB_DATA key = string_term_tdb_data(keystr);
return tdb_fetch(tdb, key);
}
int tdb_delete_bystring(struct tdb_context *tdb, const char *keystr)
{
- TDB_DATA key = make_tdb_data(keystr, strlen(keystr)+1);
+ TDB_DATA key = string_term_tdb_data(keystr);
return tdb_delete(tdb, key);
}
{
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, **ps;
- 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;
-
- /*
- * This isn't a real pointer - only a token (1 or 0)
- * to mark the fact a pointer is present.
- */
-
- *p = (void *)(IVAL(buf, 0) ? (void *)1 : NULL);
- break;
- case 'P':
- /* Return a malloc'ed string. */
- ps = va_arg(ap,char ** );
- len = strlen((const char *)buf) + 1;
- *ps = strdup((const char *)buf);
- 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;
-}
# object file lists
######################################################################
-TDB_LIB_OBJ = lib/util_tdb.o \
+TDB_LIB_OBJ = lib/util_tdb.o ../lib/util/util_tdb.o \
lib/dbwrap.o lib/dbwrap_tdb.o \
lib/dbwrap_ctdb.o \
lib/dbwrap_rbt.o @LIBTDB_STATIC@
typedef int (*tdb_validate_data_func)(TDB_CONTEXT *the_tdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state);
-TDB_DATA make_tdb_data(const uint8 *dptr, size_t dsize);
+TDB_DATA make_tdb_data(const uint8_t *dptr, size_t dsize);
TDB_DATA string_tdb_data(const char *string);
TDB_DATA string_term_tdb_data(const char *string);
TDB_LIST_NODE *tdb_search_keys(struct tdb_context*, const char*);
void tdb_search_list_free(TDB_LIST_NODE*);
-int tdb_chainlock_with_timeout( TDB_CONTEXT *tdb, TDB_DATA key,
+int tdb_chainlock_with_timeout( struct tdb_context *tdb, TDB_DATA key,
unsigned int timeout);
int tdb_lock_bystring(struct tdb_context *tdb, const char *keyval);
-int tdb_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval,
+int tdb_lock_bystring_with_timeout(struct tdb_context *tdb, const char *keyval,
int timeout);
void tdb_unlock_bystring(struct tdb_context *tdb, const char *keyval);
int tdb_read_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval,
unsigned int timeout);
-void tdb_read_unlock_bystring(TDB_CONTEXT *tdb, const char *keyval);
-
-int32 tdb_fetch_int32_byblob(TDB_CONTEXT *tdb, TDB_DATA key);
-int32 tdb_fetch_int32(struct tdb_context *tdb, const char *keystr);
-bool tdb_store_uint32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, uint32 value);
-bool tdb_store_uint32(struct tdb_context *tdb, const char *keystr, uint32 value);
-int tdb_store_int32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, int32 v);
-int tdb_store_int32(struct tdb_context *tdb, const char *keystr, int32 v);
-bool tdb_fetch_uint32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, uint32 *value);
-bool tdb_fetch_uint32(struct tdb_context *tdb, const char *keystr, uint32 *value);
-int32 tdb_change_int32_atomic(struct tdb_context *tdb, const char *keystr, int32 *oldval, int32 change_val);
-bool tdb_change_uint32_atomic(TDB_CONTEXT *tdb, const char *keystr,
- uint32 *oldval, uint32 change_val);
+void tdb_read_unlock_bystring(struct tdb_context *tdb, const char *keyval);
+
+int32_t tdb_fetch_int32_byblob(struct tdb_context *tdb, TDB_DATA key);
+int32_t tdb_fetch_int32(struct tdb_context *tdb, const char *keystr);
+bool tdb_store_uint32_byblob(struct tdb_context *tdb, TDB_DATA key, uint32_t value);
+bool tdb_store_uint32(struct tdb_context *tdb, const char *keystr, uint32_t value);
+int tdb_store_int32_byblob(struct tdb_context *tdb, TDB_DATA key, int32_t v);
+int tdb_store_int32(struct tdb_context *tdb, const char *keystr, int32_t v);
+bool tdb_fetch_uint32_byblob(struct tdb_context *tdb, TDB_DATA key, uint32_t *value);
+bool tdb_fetch_uint32(struct tdb_context *tdb, const char *keystr, uint32_t *value);
+int32_t tdb_change_int32_atomic(struct tdb_context *tdb, const char *keystr, int32_t *oldval, int32_t change_val);
+bool tdb_change_uint32_atomic(struct tdb_context *tdb, const char *keystr,
+ uint32_t *oldval, uint32_t change_val);
int tdb_store_bystring(struct tdb_context *tdb, const char *keystr, TDB_DATA data, int flags);
int tdb_trans_store_bystring(TDB_CONTEXT *tdb, const char *keystr,
gotalarm = 1;
}
-/***************************************************************
- Make a TDB_DATA and keep the const warning in one place
-****************************************************************/
-
-TDB_DATA make_tdb_data(const uint8 *dptr, size_t dsize)
-{
- TDB_DATA ret;
- ret.dptr = CONST_DISCARD(uint8 *, dptr);
- ret.dsize = dsize;
- return ret;
-}
-
-TDB_DATA string_tdb_data(const char *string)
-{
- return make_tdb_data((const uint8 *)string, string ? strlen(string) : 0 );
-}
-
-TDB_DATA string_term_tdb_data(const char *string)
-{
- return make_tdb_data((const uint8 *)string, string ? strlen(string) + 1 : 0);
-}
-
/****************************************************************************
Lock a chain with timeout (in seconds).
****************************************************************************/
return tdb_chainlock_with_timeout_internal(tdb, key, timeout, F_WRLCK);
}
-/****************************************************************************
- Lock a chain by string. Return -1 if timeout or lock failed.
-****************************************************************************/
-
-int tdb_lock_bystring(TDB_CONTEXT *tdb, const char *keyval)
-{
- TDB_DATA key = string_term_tdb_data(keyval);
-
- return tdb_chainlock(tdb, key);
-}
-
int tdb_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval,
int timeout)
{
return tdb_chainlock_with_timeout(tdb, key, timeout);
}
-/****************************************************************************
- Unlock a chain by string.
-****************************************************************************/
-
-void tdb_unlock_bystring(TDB_CONTEXT *tdb, const char *keyval)
-{
- TDB_DATA key = string_term_tdb_data(keyval);
-
- tdb_chainunlock(tdb, key);
-}
-
/****************************************************************************
Read lock a chain by string. Return -1 if timeout or lock failed.
****************************************************************************/
return tdb_chainlock_with_timeout_internal(tdb, key, timeout, F_RDLCK);
}
-/****************************************************************************
- Read unlock a chain by string.
-****************************************************************************/
-
-void tdb_read_unlock_bystring(TDB_CONTEXT *tdb, const char *keyval)
-{
- TDB_DATA key = string_term_tdb_data(keyval);
-
- tdb_chainunlock_read(tdb, key);
-}
-
-
-/****************************************************************************
- Fetch a int32 value by a arbitrary blob key, return -1 if not found.
- Output is int32 in native byte order.
-****************************************************************************/
-
-int32 tdb_fetch_int32_byblob(TDB_CONTEXT *tdb, TDB_DATA key)
-{
- TDB_DATA data;
- int32 ret;
-
- data = tdb_fetch(tdb, key);
- if (!data.dptr || data.dsize != sizeof(int32)) {
- SAFE_FREE(data.dptr);
- return -1;
- }
-
- ret = IVAL(data.dptr,0);
- SAFE_FREE(data.dptr);
- return ret;
-}
-
-/****************************************************************************
- Fetch a int32 value by string key, return -1 if not found.
- Output is int32 in native byte order.
-****************************************************************************/
-
-int32 tdb_fetch_int32(TDB_CONTEXT *tdb, const char *keystr)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_fetch_int32_byblob(tdb, key);
-}
-
-/****************************************************************************
- Store a int32 value by an arbitary blob key, return 0 on success, -1 on failure.
- Input is int32 in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-int tdb_store_int32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, int32 v)
-{
- TDB_DATA data;
- int32 v_store;
-
- SIVAL(&v_store,0,v);
- data.dptr = (uint8 *)&v_store;
- data.dsize = sizeof(int32);
-
- return tdb_store(tdb, key, data, TDB_REPLACE);
-}
-
-/****************************************************************************
- Store a int32 value by string key, return 0 on success, -1 on failure.
- Input is int32 in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-int tdb_store_int32(TDB_CONTEXT *tdb, const char *keystr, int32 v)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_store_int32_byblob(tdb, key, v);
-}
-
-/****************************************************************************
- Fetch a uint32 value by a arbitrary blob key, return -1 if not found.
- Output is uint32 in native byte order.
-****************************************************************************/
-
-bool tdb_fetch_uint32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, uint32 *value)
-{
- TDB_DATA data;
-
- data = tdb_fetch(tdb, key);
- if (!data.dptr || data.dsize != sizeof(uint32)) {
- SAFE_FREE(data.dptr);
- return False;
- }
-
- *value = IVAL(data.dptr,0);
- SAFE_FREE(data.dptr);
- return True;
-}
-
-/****************************************************************************
- Fetch a uint32 value by string key, return -1 if not found.
- Output is uint32 in native byte order.
-****************************************************************************/
-
-bool tdb_fetch_uint32(TDB_CONTEXT *tdb, const char *keystr, uint32 *value)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_fetch_uint32_byblob(tdb, key, value);
-}
-
-/****************************************************************************
- Store a uint32 value by an arbitary blob key, return 0 on success, -1 on failure.
- Input is uint32 in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-bool tdb_store_uint32_byblob(TDB_CONTEXT *tdb, TDB_DATA key, uint32 value)
-{
- TDB_DATA data;
- uint32 v_store;
- bool ret = True;
-
- SIVAL(&v_store, 0, value);
- data.dptr = (uint8 *)&v_store;
- data.dsize = sizeof(uint32);
- if (tdb_store(tdb, key, data, TDB_REPLACE) == -1)
- ret = False;
- return ret;
-}
-
-/****************************************************************************
- Store a uint32 value by string key, return 0 on success, -1 on failure.
- Input is uint32 in native byte order. Output in tdb is in little-endian.
-****************************************************************************/
-
-bool tdb_store_uint32(TDB_CONTEXT *tdb, const char *keystr, uint32 value)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_store_uint32_byblob(tdb, key, value);
-}
-/****************************************************************************
- Store a buffer by a null terminated string key. Return 0 on success, -1
- on failure.
-****************************************************************************/
-
-int tdb_store_bystring(TDB_CONTEXT *tdb, const char *keystr, TDB_DATA data, int flags)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_store(tdb, key, data, flags);
-}
int tdb_trans_store_bystring(TDB_CONTEXT *tdb, const char *keystr,
TDB_DATA data, int flags)
return tdb_trans_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(TDB_CONTEXT *tdb, const char *keystr)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_fetch(tdb, key);
-}
-
-/****************************************************************************
- Delete an entry using a null terminated string key.
-****************************************************************************/
-
-int tdb_delete_bystring(TDB_CONTEXT *tdb, const char *keystr)
-{
- TDB_DATA key = string_term_tdb_data(keystr);
-
- return tdb_delete(tdb, key);
-}
-
-/****************************************************************************
- Atomic integer change. Returns old value. To create, set initial value in *oldval.
-****************************************************************************/
-
-int32 tdb_change_int32_atomic(TDB_CONTEXT *tdb, const char *keystr, int32 *oldval, int32 change_val)
-{
- int32 val;
- int32 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(TDB_CONTEXT *tdb, const char *keystr, uint32 *oldval, uint32 change_val)
-{
- uint32 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;
-}
-
/****************************************************************************
Useful pair of routines for packing/unpacking data consisting of
integers and strings.
git.samba.org / sfrench / samba-autobuild / .git / commitdiff