/*
* Used when converting result from a query
*/
int db_postgres_val2str(const db_con_t* _con, const db_val_t* _v,
char* _s, int* _len)
{
int l, ret;
int pgret;
char *tmp_s;
size_t tmp_len;
char* old_s;
if ((!_v) || (!_s) || (!_len) || (!*_len)) {
LM_ERR("invalid parameter value\n");
return -1;
}
if (VAL_NULL(_v)) {
if ( *_len < (l=(int)sizeof("NULL")-1)) {
LM_ERR("buffer too short to print NULL\n");
return -1;
}
memcpy(_s, "NULL", l);
*_len = l;
return 0;
}
switch(VAL_TYPE(_v)) {
case DB_INT:
if (db_int2str(VAL_INT(_v), _s, _len) < 0) {
LM_ERR("failed to convert string to int\n");
return -2;
} else {
return 0;
}
break;
case DB_BIGINT:
if (db_bigint2str(VAL_BIGINT(_v), _s, _len) < 0) {
LM_ERR("failed to convert string to big int\n");
return -2;
} else {
return 0;
}
break;
case DB_BITMAP:
if (db_int2str(VAL_BITMAP(_v), _s, _len) < 0) {
LM_ERR("failed to convert string to int\n");
return -3;
} else {
return 0;
}
break;
case DB_DOUBLE:
if (db_double2str(VAL_DOUBLE(_v), _s, _len) < 0) {
LM_ERR("failed to convert string to double\n");
return -3;
} else {
return 0;
}
break;
case DB_STRING:
l = strlen(VAL_STRING(_v));
if (*_len < (l * 2 + 3)) {
LM_ERR("destination STRING buffer too short (have %d, need %d)\n",
*_len, l * 2 + 3);
return -4;
} else {
old_s = _s;
*_s++ = '\'';
ret = PQescapeStringConn(CON_CONNECTION(_con), _s, VAL_STRING(_v),
l, &pgret);
if(pgret!=0)
{
LM_ERR("PQescapeStringConn failed\n");
return -4;
}
LM_DBG("PQescapeStringConn: in: %d chars,"
" out: %d chars\n", l, ret);
_s += ret;
*_s++ = '\'';
*_s = '\0'; /* FIXME */
*_len = _s - old_s;
return 0;
}
break;
case DB_STR:
l = VAL_STR(_v).len;
if (*_len < (l * 2 + 3)) {
LM_ERR("destination STR buffer too short (have %d, need %d)\n",
*_len, l * 2 + 3);
return -5;
} else {
old_s = _s;
*_s++ = '\'';
ret = PQescapeStringConn(CON_CONNECTION(_con), _s, VAL_STRING(_v),
l, &pgret);
if(pgret!=0)
{
LM_ERR("PQescapeStringConn failed \n");
return -5;
}
LM_DBG("PQescapeStringConn: in: %d chars, out: %d chars\n", l, ret);
_s += ret;
*_s++ = '\'';
*_s = '\0'; /* FIXME */
*_len = _s - old_s;
return 0;
}
break;
case DB_DATETIME:
if (db_time2str(VAL_TIME(_v), _s, _len) < 0) {
LM_ERR("failed to convert string to time_t\n");
return -6;
} else {
return 0;
}
break;
case DB_BLOB:
l = VAL_BLOB(_v).len;
/* this estimation is not always correct, thus we need to check later again */
if (*_len < (l * 2 + 3)) {
LM_ERR("destination BLOB buffer too short (have %d, need %d)\n",
*_len, l * 2 + 3);
return -7;
} else {
*_s++ = '\'';
tmp_s = (char*)PQescapeByteaConn(CON_CONNECTION(_con), (unsigned char*)VAL_STRING(_v),
(size_t)l, (size_t*)&tmp_len);
if(tmp_s==NULL)
{
LM_ERR("PQescapeBytea failed\n");
return -7;
}
if (tmp_len > *_len) {
LM_ERR("escaped result too long\n");
return -7;
}
memcpy(_s, tmp_s, tmp_len);
PQfreemem(tmp_s);
tmp_len = strlen(_s);
*(_s + tmp_len) = '\'';
*(_s + tmp_len + 1) = '\0';
*_len = tmp_len + 2;
return 0;
}
break;
default:
LM_DBG("unknown data type\n");
return -7;
}
}
/*
* Used when converting values to be used in a DB query
*/
int db_mysql_val2str(const db_con_t* _c, const db_val_t* _v, char* _s, int* _len)
{
int l;
char* old_s;
if (!_c || !_v || !_s || !_len || !*_len) {
LM_ERR("invalid parameter value\n");
return -1;
}
if (VAL_NULL(_v)) {
if (*_len < sizeof("NULL")) {
LM_ERR("buffer too small\n");
return -1;
}
*_len = snprintf(_s, *_len, "NULL");
return 0;
}
switch(VAL_TYPE(_v)) {
case DB_INT:
if (db_int2str(VAL_INT(_v), _s, _len) < 0) {
LM_ERR("error while converting string to int\n");
return -2;
} else {
return 0;
}
break;
case DB_BIGINT:
if (db_bigint2str(VAL_BIGINT(_v), _s, _len) < 0) {
LM_ERR("error while converting bigint to string\n");
return -2;
} else {
return 0;
}
break;
case DB_BITMAP:
if (db_int2str(VAL_BITMAP(_v), _s, _len) < 0) {
LM_ERR("error while converting string to int\n");
return -3;
} else {
return 0;
}
break;
case DB_DOUBLE:
if (db_double2str(VAL_DOUBLE(_v), _s, _len) < 0) {
LM_ERR("error while converting string to double\n");
return -4;
} else {
return 0;
}
break;
case DB_STRING:
l = strlen(VAL_STRING(_v));
if (*_len < (l * 2 + 3)) {
LM_ERR("destination buffer too short\n");
return -5;
} else {
old_s = _s;
*_s++ = '\'';
_s += mysql_real_escape_string(CON_CONNECTION(_c), _s, VAL_STRING(_v), l);
*_s++ = '\'';
*_s = '\0'; /* FIXME */
*_len = _s - old_s;
return 0;
}
break;
case DB_STR:
if (*_len < (VAL_STR(_v).len * 2 + 3)) {
LM_ERR("destination buffer too short\n");
return -6;
} else {
old_s = _s;
*_s++ = '\'';
_s += mysql_real_escape_string(CON_CONNECTION(_c), _s, VAL_STR(_v).s, VAL_STR(_v).len);
*_s++ = '\'';
*_s = '\0';
*_len = _s - old_s;
return 0;
}
break;
case DB_DATETIME:
if (db_time2str(VAL_TIME(_v), _s, _len) < 0) {
LM_ERR("error while converting string to time_t\n");
return -7;
} else {
return 0;
}
break;
case DB_BLOB:
l = VAL_BLOB(_v).len;
if (*_len < (l * 2 + 3)) {
LM_ERR("destination buffer too short\n");
return -8;
} else {
old_s = _s;
*_s++ = '\'';
_s += mysql_real_escape_string(CON_CONNECTION(_c), _s, VAL_STR(_v).s, l);
*_s++ = '\'';
*_s = '\0';
*_len = _s - old_s;
return 0;
}
break;
default:
LM_DBG("unknown data type\n");
return -9;
}
/*return -8; --not reached*/
}
/*
* Used when converting result from a query
*/
int km_bdb_val2str(db_val_t* _v, char* _s, int* _len)
{
int l;
if (VAL_NULL(_v))
{
*_len = snprintf(_s, *_len, "NULL");
return 0;
}
switch(VAL_TYPE(_v)) {
case DB1_INT:
if (db_int2str(VAL_INT(_v), _s, _len) < 0) {
LM_ERR("Error while converting int to string\n");
return -2;
} else {
LM_DBG("Converted int to string\n");
return 0;
}
break;
case DB1_BITMAP:
if (db_int2str(VAL_INT(_v), _s, _len) < 0) {
LM_ERR("Error while converting bitmap to string\n");
return -3;
} else {
LM_DBG("Converted bitmap to string\n");
return 0;
}
break;
case DB1_DOUBLE:
if (db_double2str(VAL_DOUBLE(_v), _s, _len) < 0) {
LM_ERR("Error while converting double to string\n");
return -3;
} else {
LM_DBG("Converted double to string\n");
return 0;
}
break;
case DB1_STRING:
l = strlen(VAL_STRING(_v));
if (*_len < l )
{ LM_ERR("Destination buffer too short for string\n");
return -4;
}
else
{ LM_DBG("Converted string to string\n");
strncpy(_s, VAL_STRING(_v) , l);
_s[l] = 0;
*_len = l;
return 0;
}
break;
case DB1_STR:
l = VAL_STR(_v).len;
if (*_len < l)
{
LM_ERR("Destination buffer too short for str\n");
return -5;
}
else
{
LM_DBG("Converted str to string\n");
strncpy(_s, VAL_STR(_v).s , VAL_STR(_v).len);
*_len = VAL_STR(_v).len;
return 0;
}
break;
case DB1_DATETIME:
if (km_bdb_time2str(VAL_TIME(_v), _s, _len) < 0) {
LM_ERR("Error while converting time_t to string\n");
return -6;
} else {
LM_DBG("Converted time_t to string\n");
return 0;
}
break;
case DB1_BLOB:
l = VAL_BLOB(_v).len;
if (*_len < l)
{
LM_ERR("Destination buffer too short for blob\n");
return -7;
}
else
{
LM_DBG("Converting BLOB [%s]\n", _s);
_s = VAL_BLOB(_v).s;
*_len = 0;
return -8;
}
break;
default:
LM_DBG("Unknown data type\n");
return -8;
}
}
/*
* Used when converting values to be used in a DB query
*/
int db_sqlite_val2str(const db_con_t* _c, const db_val_t* _v, char* _s, int* _len)
{
int l;
if (!_c || !_v || !_s || !_len || !*_len) {
LM_ERR("invalid parameter value\n");
return -1;
}
if (VAL_NULL(_v)) {
if (*_len < sizeof("NULL")) {
LM_ERR("buffer too small\n");
return -1;
}
*_len = snprintf(_s, *_len, "NULL");
return 0;
}
switch(VAL_TYPE(_v)) {
case DB_INT:
if (db_int2str(VAL_INT(_v), _s, _len) < 0) {
LM_ERR("error while converting string to int\n");
return -2;
} else {
return 0;
}
break;
case DB_BIGINT:
if (db_bigint2str(VAL_BIGINT(_v), _s, _len) < 0) {
LM_ERR("error while converting bigint to string\n");
return -2;
} else {
return 0;
}
break;
case DB_BITMAP:
if (db_int2str(VAL_BITMAP(_v), _s, _len) < 0) {
LM_ERR("error while converting string to int\n");
return -3;
} else {
return 0;
}
break;
case DB_DOUBLE:
if (db_double2str(VAL_DOUBLE(_v), _s, _len) < 0) {
LM_ERR("error while converting string to double\n");
return -4;
} else {
return 0;
}
break;
case DB_STRING:
/* TODO check escpaing */
l = strlen(VAL_STRING(_v));
if (*_len < l )
{ LM_ERR("Destination buffer too short for string\n");
return -4;
}
else
{ LM_DBG("Converted string to string\n");
strncpy(_s, VAL_STRING(_v) , l);
_s[l] = 0;
*_len = l+1; /* count the 0 also */
return 0;
}
break;
case DB_STR:
/* TODO check escpaing */
l = VAL_STR(_v).len;
if (*_len < l)
{
LM_ERR("Destination buffer too short for str\n");
return -5;
}
else
{
LM_DBG("Converted str to string\n");
strncpy(_s, VAL_STR(_v).s , l);
*_len = l;
return 0;
}
break;
break;
case DB_DATETIME:
if (db_time2str(VAL_TIME(_v), _s, _len) < 0) {
LM_ERR("error while converting string to time_t\n");
return -7;
} else {
return 0;
}
break;
case DB_BLOB:
/* TODO check escpaing */
l = VAL_BLOB(_v).len;
if (*_len < l)
{
LM_ERR("Destination buffer too short for blob\n");
return -7;
}
else
{
strncpy(_s, VAL_BLOB(_v).s , l);
LM_DBG("Converting BLOB [%.*s]\n", l,_s);
*_len = l;
return 0;
}
break;
default:
LM_DBG("unknown data type\n");
return -9;
}
}