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160 lines
3.5 KiB
160 lines
3.5 KiB
/*
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* $Id$
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*
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* UNIXODBC module
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*
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* Copyright (C) 2005-2006 Marco Lorrai
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* Copyright (C) 2008 1&1 Internet AG
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*
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* History:
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* --------
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* 2005-12-01 initial commit (chgen)
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*/
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#include "../../dprint.h"
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#include "../../lib/kcore/strcommon.h"
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#include "../../lib/srdb1/db_ut.h"
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#include "db_unixodbc.h"
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#include "val.h"
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#include "connection.h"
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/*
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* Used when converting the query to a result
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*/
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int db_unixodbc_str2val(const db_type_t _t, db_val_t* _v, const char* _s, const int _l,
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const unsigned int _cpy)
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{
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/* db_unixodbc uses the NULL string for NULL SQL values */
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if (_v && _s && !strcmp(_s, "NULL")) {
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LM_DBG("converting NULL value");
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static str dummy_string = {"", 0};
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memset(_v, 0, sizeof(db_val_t));
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/* Initialize the string pointers to a dummy empty
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* string so that we do not crash when the NULL flag
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* is set but the module does not check it properly
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*/
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VAL_STRING(_v) = dummy_string.s;
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VAL_STR(_v) = dummy_string;
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VAL_BLOB(_v) = dummy_string;
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VAL_TYPE(_v) = _t;
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VAL_NULL(_v) = 1;
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return 0;
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} else {
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return db_str2val(_t, _v, _s, _l, _cpy);
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}
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}
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/*
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* Used when converting a result from the query
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*/
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int db_unixodbc_val2str(const db1_con_t* _c, const db_val_t* _v, char* _s, int* _len)
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{
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int l, tmp;
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char* old_s;
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/* db_unixodbc uses a custom escape function */
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tmp = db_val2str(_c, _v, _s, _len);
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if (tmp < 1)
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return tmp;
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switch(VAL_TYPE(_v))
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{
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case DB1_STRING:
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l = strlen(VAL_STRING(_v));
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if (*_len < (l * 2 + 3))
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{
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LM_ERR("destination buffer too short\n");
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return -6;
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}
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else
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{
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old_s = _s;
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*_s++ = '\'';
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if(use_escape_common)
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{
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_s += escape_common(_s, (char*)VAL_STRING(_v), l);
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} else {
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memcpy(_s, VAL_STRING(_v), l);
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_s += l;
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}
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*_s++ = '\'';
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*_s = '\0'; /* FIXME */
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*_len = _s - old_s;
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return 0;
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}
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break;
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case DB1_STR:
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l = VAL_STR(_v).len;
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if (*_len < (l * 2 + 3))
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{
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LM_ERR("destination buffer too short\n");
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return -7;
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}
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else
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{
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old_s = _s;
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*_s++ = '\'';
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if(use_escape_common)
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{
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_s += escape_common(_s, VAL_STR(_v).s, l);
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} else {
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memcpy(_s, VAL_STR(_v).s, l);
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_s += l;
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}
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*_s++ = '\'';
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*_s = '\0'; /* FIXME */
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*_len = _s - old_s;
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return 0;
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}
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break;
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case DB1_BLOB:
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l = VAL_BLOB(_v).len;
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if (*_len < (l * 2 + 3))
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{
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LM_ERR("destination buffer too short\n");
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return -9;
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}
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else
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{
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old_s = _s;
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*_s++ = '\'';
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if(use_escape_common)
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{
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_s += escape_common(_s, VAL_BLOB(_v).s, l);
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} else {
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memcpy(_s, VAL_BLOB(_v).s, l);
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_s += l;
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}
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*_s++ = '\'';
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*_s = '\0'; /* FIXME */
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*_len = _s - old_s;
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return 0;
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}
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break;
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default:
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LM_DBG("unknown data type\n");
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return -10;
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}
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}
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