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kamailio/lib/srdb2/db_fld.c

144 lines
2.6 KiB

/*
* Copyright (C) 2001-2005 FhG FOKUS
* Copyright (C) 2006-2007 iptelorg GmbH
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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
*
* Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/** \ingroup DB_API
* @{
*/
#include "db_fld.h"
#include "../../mem/mem.h"
#include "../../dprint.h"
#include <string.h>
char* db_fld_str[] = {
"DB_NONE",
"DB_INT",
"DB_FLOAT",
"DB_DOUBLE",
"DB_CSTR",
"DB_STR",
"DB_DATETIME",
"DB_BLOB",
"DB_BITMAP"
};
int db_fld_init(db_fld_t* fld)
{
int i;
for(i = 0; !DB_FLD_LAST(fld[i]); i++) {
if (db_gen_init(&fld[i].gen) < 0) return -1;
}
return 0;
}
void db_fld_close(db_fld_t* fld)
{
int i;
for(i = 0; !DB_FLD_LAST(fld[i]); i++) {
db_gen_free(&fld[i].gen);
}
}
db_fld_t* db_fld(size_t n)
{
int i;
db_fld_t* newp;
newp = (db_fld_t*)pkg_malloc(sizeof(db_fld_t) * n);
if (newp == NULL) {
ERR("db_fld: No memory left\n");
return NULL;
}
memset(newp, '\0', sizeof(db_fld_t) * n);
for(i = 0; i < n; i++) {
if (db_gen_init(&newp[i].gen) < 0) goto error;
}
return newp;
error:
if (newp) {
while(i >= 0) {
db_gen_free(&newp[i].gen);
i--;
}
pkg_free(newp);
}
return NULL;
}
db_fld_t* db_fld_copy(db_fld_t* fld)
{
int i, n;
db_fld_t* newp;
for(n = 0; fld[n].name; n++);
n++; /* We need to copy the terminating element too */
newp = (db_fld_t*)pkg_malloc(sizeof(db_fld_t) * n);
if (newp == NULL) {
ERR("db_fld: No memory left\n");
return NULL;
}
memcpy(newp, fld, sizeof(db_fld_t) * n);
for(i = 0; i < n; i++) {
if (db_gen_init(&newp[i].gen) < 0) goto error;
}
return newp;
error:
ERR("db_fld_copy() failed\n");
if (newp) {
/* Free everything allocated in this function so far */
while(i >= 0) {
db_gen_free(&newp[i].gen);
i--;
}
pkg_free(newp);
}
return NULL;
}
void db_fld_free(db_fld_t* fld)
{
int i;
if (DB_FLD_EMPTY(fld)) return;
for(i = 0; !DB_FLD_LAST(fld[i]); i++) {
db_gen_free(&fld[i].gen);
}
pkg_free(fld);
}
/** @} */