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mysqli_api.c
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mysqli_api.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Georg Richter <georg@php.net> |
+----------------------------------------------------------------------+
$Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <signal.h>
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_mysqli.h"
/* {{{ proto mixed mysqli_affected_rows(object link)
Get number of affected rows in previous MySQL operation */
PHP_FUNCTION(mysqli_affected_rows)
{
MY_MYSQL *mysql;
zval *mysql_link;
my_ulonglong rc;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
rc = mysql_affected_rows(mysql->mysql);
if (rc == (my_ulonglong) -1) {
RETURN_LONG(-1);
}
MYSQLI_RETURN_LONG_LONG(rc);
}
/* }}} */
/* {{{ proto bool mysqli_autocommit(object link, bool mode)
Turn auto commit on or of */
PHP_FUNCTION(mysqli_autocommit)
{
MY_MYSQL *mysql;
zval *mysql_link;
zend_bool automode;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ob", &mysql_link, mysqli_link_class_entry, &automode) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
if (mysql_autocommit(mysql->mysql, (my_bool)automode)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_stmt_bind_param(object stmt, string types, mixed variable [,mixed,....])
Bind variables to a prepared statement as parameters */
PHP_FUNCTION(mysqli_stmt_bind_param)
{
zval ***args;
int argc = ZEND_NUM_ARGS();
int i;
int num_vars;
int start = 2;
int ofs;
MY_STMT *stmt;
zval *mysql_stmt;
MYSQL_BIND *bind;
char *types;
int typelen;
unsigned long rc;
/* calculate and check number of parameters */
if (argc < 2) {
/* there has to be at least one pair */
WRONG_PARAM_COUNT;
}
if (zend_parse_method_parameters((getThis()) ? 1:2 TSRMLS_CC, getThis(), "Os", &mysql_stmt, mysqli_stmt_class_entry, &types, &typelen) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(stmt, MY_STMT *, &mysql_stmt, "mysqli_stmt", MYSQLI_STATUS_VALID);
num_vars = argc - 1;
if (getThis()) {
start = 1;
} else {
/* ignore handle parameter in procedural interface*/
--num_vars;
}
if (typelen != argc - start) {
/* number of bind variables doesn't match number of elements in type definition string */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Number of elements in type definition string doesn't match number of bind variables");
RETURN_FALSE;
}
if (typelen != stmt->stmt->param_count) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Number of variables doesn't match number of parameters in prepared statement");
RETURN_FALSE;
}
/* prevent leak if variables are already bound */
if (stmt->param.var_cnt) {
php_free_stmt_bind_buffer(stmt->param, FETCH_SIMPLE);
}
args = (zval ***)safe_emalloc(argc, sizeof(zval **), 0);
if (zend_get_parameters_array_ex(argc, args) == FAILURE) {
efree(args);
WRONG_PARAM_COUNT;
}
stmt->param.is_null = ecalloc(num_vars, sizeof(char));
bind = (MYSQL_BIND *)ecalloc(num_vars, sizeof(MYSQL_BIND));
ofs = 0;
for (i=start; i < argc; i++) {
/* set specified type */
switch (types[ofs]) {
case 'd': /* Double */
bind[ofs].buffer_type = MYSQL_TYPE_DOUBLE;
bind[ofs].buffer = (char*)&Z_DVAL_PP(args[i]);
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
case 'i': /* Integer */
bind[ofs].buffer_type = MYSQL_TYPE_LONG;
bind[ofs].buffer = (char*)&Z_LVAL_PP(args[i]);
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
case 'b': /* Blob (send data) */
bind[ofs].buffer_type = MYSQL_TYPE_LONG_BLOB;
/* don't initialize is_null and length to 0 because we use ecalloc */
break;
case 's': /* string */
bind[ofs].buffer_type = MYSQL_TYPE_VAR_STRING;
/* don't initialize buffer and buffer_length because we use ecalloc */
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Undefined fieldtype %c (parameter %d)", types[ofs], i+1);
RETVAL_FALSE;
goto end;
}
ofs++;
}
rc = mysql_stmt_bind_param(stmt->stmt, bind);
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
if (rc) {
RETVAL_FALSE;
goto end;
}
stmt->param.var_cnt = num_vars;
stmt->param.vars = (zval **)safe_emalloc(num_vars, sizeof(zval), 0);
for (i = 0; i < num_vars; i++) {
if (bind[i].buffer_type != MYSQL_TYPE_LONG_BLOB) {
ZVAL_ADDREF(*args[i+start]);
stmt->param.vars[i] = *args[i+start];
} else {
stmt->param.vars[i] = NULL;
}
}
RETVAL_TRUE;
end:
efree(args);
efree(bind);
}
/* }}} */
/* {{{ proto bool mysqli_stmt_bind_result(object stmt, mixed var, [,mixed, ...])
Bind variables to a prepared statement for result storage */
/* TODO:
do_alloca, free_alloca
*/
PHP_FUNCTION(mysqli_stmt_bind_result)
{
zval ***args;
int argc = ZEND_NUM_ARGS();
int i;
int start = 1;
int var_cnt;
int ofs;
long col_type;
ulong rc;
MY_STMT *stmt;
zval *mysql_stmt;
MYSQL_BIND *bind;
if (getThis()) {
start = 0;
}
if (zend_parse_method_parameters((getThis()) ? 0:1 TSRMLS_CC, getThis(), "O", &mysql_stmt, mysqli_stmt_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(stmt, MY_STMT *, &mysql_stmt, "mysqli_stmt", MYSQLI_STATUS_VALID);
if (argc < (getThis() ? 1 : 2)) {
WRONG_PARAM_COUNT;
}
args = (zval ***)safe_emalloc(argc, sizeof(zval **), 0);
if (zend_get_parameters_array_ex(argc, args) == FAILURE) {
efree(args);
WRONG_PARAM_COUNT;
}
var_cnt = argc - start;
if (var_cnt != mysql_stmt_field_count(stmt->stmt)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Number of bind variables doesn't match number of fields in prepared statement");
efree(args);
RETURN_FALSE;
}
/* prevent leak if variables are already bound */
if (stmt->result.var_cnt) {
php_free_stmt_bind_buffer(stmt->result, FETCH_RESULT);
}
bind = (MYSQL_BIND *)ecalloc(var_cnt, sizeof(MYSQL_BIND));
{
int size;
char *p= emalloc(size= var_cnt * (sizeof(char) + sizeof(VAR_BUFFER)));
stmt->result.buf = (VAR_BUFFER *) p;
stmt->result.is_null = p + var_cnt * sizeof(VAR_BUFFER);
memset(p, 0, size);
}
for (i=start; i < var_cnt + start ; i++) {
ofs = i - start;
col_type = (stmt->stmt->fields) ? stmt->stmt->fields[ofs].type : MYSQL_TYPE_STRING;
switch (col_type) {
case MYSQL_TYPE_DOUBLE:
case MYSQL_TYPE_FLOAT:
convert_to_double_ex(args[i]);
stmt->result.buf[ofs].type = IS_DOUBLE;
stmt->result.buf[ofs].buflen = sizeof(double);
/* allocate buffer for double */
stmt->result.buf[ofs].val = (char *)emalloc(sizeof(double));
bind[ofs].buffer_type = MYSQL_TYPE_DOUBLE;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
break;
case MYSQL_TYPE_NULL:
stmt->result.buf[ofs].type = IS_NULL;
/*
don't initialize to 0 :
1. stmt->result.buf[ofs].buflen
2. bind[ofs].buffer
3. bind[ofs].buffer_length
because memory was allocated with ecalloc
*/
bind[ofs].buffer_type = MYSQL_TYPE_NULL;
bind[ofs].is_null = &stmt->result.is_null[ofs];
break;
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_LONG:
case MYSQL_TYPE_INT24:
case MYSQL_TYPE_YEAR:
convert_to_long_ex(args[i]);
stmt->result.buf[ofs].type = IS_LONG;
/* don't set stmt->result.buf[ofs].buflen to 0, we used ecalloc */
stmt->result.buf[ofs].val = (char *)emalloc(sizeof(int));
bind[ofs].buffer_type = MYSQL_TYPE_LONG;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
bind[ofs].is_unsigned = (stmt->stmt->fields[ofs].flags & UNSIGNED_FLAG) ? 1 : 0;
break;
case MYSQL_TYPE_LONGLONG:
#if MYSQL_VERSION_ID > 50002
case MYSQL_TYPE_BIT:
#endif
stmt->result.buf[ofs].type = IS_STRING;
stmt->result.buf[ofs].buflen = sizeof(my_ulonglong);
stmt->result.buf[ofs].val = (char *)emalloc(stmt->result.buf[ofs].buflen);
bind[ofs].buffer_type = col_type;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
bind[ofs].buffer_length = stmt->result.buf[ofs].buflen;
bind[ofs].is_unsigned = (stmt->stmt->fields[ofs].flags & UNSIGNED_FLAG) ? 1 : 0;
break;
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_TIME:
case MYSQL_TYPE_DATETIME:
case MYSQL_TYPE_NEWDATE:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_TIMESTAMP:
case MYSQL_TYPE_DECIMAL:
#ifdef FIELD_TYPE_NEWDECIMAL
case MYSQL_TYPE_NEWDECIMAL:
#endif
{
#if MYSQL_VERSION_ID > 50099
/* Changed to my_bool in MySQL 5.1. See MySQL Bug #16144 */
my_bool tmp;
#else
ulong tmp = 0;
#endif
stmt->result.buf[ofs].type = IS_STRING;
/*
If the user has called $stmt->store_result() then we have asked
max_length to be updated. this is done only for BLOBS because we don't want to allocate
big chunkgs of memory 2^16 or 2^24
*/
if (stmt->stmt->fields[ofs].max_length == 0 &&
!mysql_stmt_attr_get(stmt->stmt, STMT_ATTR_UPDATE_MAX_LENGTH, &tmp) && !tmp)
{
stmt->result.buf[ofs].buflen =
(stmt->stmt->fields) ? (stmt->stmt->fields[ofs].length) ? stmt->stmt->fields[ofs].length + 1: 256: 256;
} else {
/*
the user has called store_result(). if he does not there is no way to determine the
libmysql does not allow us to allocate 0 bytes for a buffer so we try 1
*/
if (!(stmt->result.buf[ofs].buflen = stmt->stmt->fields[ofs].max_length))
++stmt->result.buf[ofs].buflen;
}
stmt->result.buf[ofs].val = (char *)emalloc(stmt->result.buf[ofs].buflen);
bind[ofs].buffer_type = MYSQL_TYPE_STRING;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
bind[ofs].buffer_length = stmt->result.buf[ofs].buflen;
bind[ofs].length = &stmt->result.buf[ofs].output_len;
break;
}
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Server returned unknown type %ld. Probably your client library is incompatible with the server version you use!", col_type);
break;
}
}
rc = mysql_stmt_bind_result(stmt->stmt, bind);
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
if (rc) {
/* dont close the statement or subsequent usage (for example ->execute()) will lead to crash */
for (i=0; i < var_cnt ; i++) {
if (stmt->result.buf[i].val) {
efree(stmt->result.buf[i].val);
}
}
/* Don't free stmt->result.is_null because is_null & buf are one block of memory */
efree(stmt->result.buf);
RETVAL_FALSE;
} else {
stmt->result.var_cnt = var_cnt;
stmt->result.vars = (zval **)safe_emalloc((var_cnt), sizeof(zval), 0);
for (i = start; i < var_cnt+start; i++) {
ofs = i-start;
ZVAL_ADDREF(*args[i]);
stmt->result.vars[ofs] = *args[i];
}
RETVAL_TRUE;
}
efree(args);
efree(bind);
}
/* }}} */
/* {{{ proto bool mysqli_change_user(object link, string user, string password, string database)
Change logged-in user of the active connection */
PHP_FUNCTION(mysqli_change_user)
{
MY_MYSQL *mysql;
zval *mysql_link = NULL;
char *user, *password, *dbname;
int user_len, password_len, dbname_len;
ulong rc;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Osss", &mysql_link, mysqli_link_class_entry, &user, &user_len, &password, &password_len, &dbname, &dbname_len) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
rc = mysql_change_user(mysql->mysql, user, password, dbname);
MYSQLI_REPORT_MYSQL_ERROR(mysql->mysql);
if (rc) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string mysqli_character_set_name(object link)
Returns the name of the character set used for this connection */
PHP_FUNCTION(mysqli_character_set_name)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
RETURN_STRING((char *) mysql_character_set_name(mysql->mysql), 1);
}
/* }}} */
/* {{{ proto bool mysqli_close(object link)
Close connection */
PHP_FUNCTION(mysqli_close)
{
zval *mysql_link;
MY_MYSQL *mysql;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_INITIALIZED);
mysql_close(mysql->mysql);
mysql->mysql = NULL;
php_clear_mysql(mysql);
efree(mysql);
MYSQLI_CLEAR_RESOURCE(&mysql_link);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_commit(object link)
Commit outstanding actions and close transaction */
PHP_FUNCTION(mysqli_commit)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
if (mysql_commit(mysql->mysql)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_data_seek(object result, int offset)
Move internal result pointer */
PHP_FUNCTION(mysqli_data_seek)
{
MYSQL_RES *result;
zval *mysql_result;
long offset;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol", &mysql_result, mysqli_result_class_entry, &offset) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
if (result->handle && result->handle->status == MYSQL_STATUS_USE_RESULT) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Function cannot be used with MYSQL_USE_RESULT");
RETURN_FALSE;
}
if (offset < 0 || offset >= result->row_count) {
RETURN_FALSE;
}
mysql_data_seek(result, offset);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto void mysqli_debug(string debug)
*/
PHP_FUNCTION(mysqli_debug)
{
char *debug;
int debug_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &debug, &debug_len) == FAILURE) {
return;
}
mysql_debug(debug);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_dump_debug_info(object link)
*/
PHP_FUNCTION(mysqli_dump_debug_info)
{
MY_MYSQL *mysql;
zval *mysql_link;
ulong rc;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
rc = mysql_dump_debug_info(mysql->mysql);
if (rc) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int mysqli_errno(object link)
Returns the numerical value of the error message from previous MySQL operation */
PHP_FUNCTION(mysqli_errno)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
RETURN_LONG(mysql_errno(mysql->mysql));
}
/* }}} */
/* {{{ proto string mysqli_error(object link)
Returns the text of the error message from previous MySQL operation */
PHP_FUNCTION(mysqli_error)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
RETURN_STRING((char *)mysql_error(mysql->mysql),1);
}
/* }}} */
/* {{{ proto bool mysqli_stmt_execute(object stmt)
Execute a prepared statement */
PHP_FUNCTION(mysqli_stmt_execute)
{
MY_STMT *stmt;
zval *mysql_stmt;
unsigned int i;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_stmt, mysqli_stmt_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(stmt, MY_STMT *, &mysql_stmt, "mysqli_stmt", MYSQLI_STATUS_VALID);
for (i = 0; i < stmt->param.var_cnt; i++) {
if (stmt->param.vars[i]) {
if ( !(stmt->param.is_null[i] = (stmt->param.vars[i]->type == IS_NULL)) ) {
switch (stmt->stmt->params[i].buffer_type) {
case MYSQL_TYPE_VAR_STRING:
convert_to_string_ex(&stmt->param.vars[i]);
stmt->stmt->params[i].buffer = Z_STRVAL_PP(&stmt->param.vars[i]);
stmt->stmt->params[i].buffer_length = Z_STRLEN_PP(&stmt->param.vars[i]);
break;
case MYSQL_TYPE_DOUBLE:
convert_to_double_ex(&stmt->param.vars[i]);
stmt->stmt->params[i].buffer = (char*)&Z_LVAL_PP(&stmt->param.vars[i]);
break;
case MYSQL_TYPE_LONG:
convert_to_long_ex(&stmt->param.vars[i]);
stmt->stmt->params[i].buffer = (char*)&Z_LVAL_PP(&stmt->param.vars[i]);
break;
default:
break;
}
}
}
}
if (mysql_stmt_execute(stmt->stmt)) {
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
RETURN_FALSE;
}
if (MyG(report_mode) & MYSQLI_REPORT_INDEX) {
php_mysqli_report_index(stmt->query, stmt->stmt->mysql->server_status TSRMLS_CC);
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto mixed mysqli_stmt_fetch(object stmt)
Fetch results from a prepared statement into the bound variables */
PHP_FUNCTION(mysqli_stmt_fetch)
{
MY_STMT *stmt;
zval *mysql_stmt;
unsigned int i;
ulong ret;
unsigned int uval;
my_ulonglong llval;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_stmt, mysqli_stmt_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(stmt, MY_STMT *, &mysql_stmt, "mysqli_stmt", MYSQLI_STATUS_VALID);
/* reset buffers */
for (i = 0; i < stmt->result.var_cnt; i++) {
if (stmt->result.buf[i].type == IS_STRING) {
memset(stmt->result.buf[i].val, 0, stmt->result.buf[i].buflen);
}
}
ret = mysql_stmt_fetch(stmt->stmt);
#ifdef MYSQL_DATA_TRUNCATED
if (!ret || ret == MYSQL_DATA_TRUNCATED) {
#else
if (!ret) {
#endif
for (i = 0; i < stmt->result.var_cnt; i++) {
/* Even if the string is of length zero there is one byte alloced so efree() in all cases */
if (Z_TYPE_P(stmt->result.vars[i]) == IS_STRING) {
efree(stmt->result.vars[i]->value.str.val);
}
if (!stmt->result.is_null[i]) {
switch (stmt->result.buf[i].type) {
case IS_LONG:
if ((stmt->stmt->fields[i].type == MYSQL_TYPE_LONG)
&& (stmt->stmt->fields[i].flags & UNSIGNED_FLAG))
{
/* unsigned int (11) */
uval= *(unsigned int *) stmt->result.buf[i].val;
if (uval > INT_MAX) {
char *tmp, *p;
int j=10;
tmp= emalloc(11);
p= &tmp[9];
do {
*p-- = (uval % 10) + 48;
uval = uval / 10;
} while (--j > 0);
tmp[10]= '\0';
/* unsigned int > INT_MAX is 10 digis - ALWAYS */
ZVAL_STRINGL(stmt->result.vars[i], tmp, 10, 0);
break;
}
}
if (stmt->stmt->fields[i].flags & UNSIGNED_FLAG) {
ZVAL_LONG(stmt->result.vars[i], *(unsigned int *)stmt->result.buf[i].val);
} else {
ZVAL_LONG(stmt->result.vars[i], *(int *)stmt->result.buf[i].val);
}
break;
case IS_DOUBLE:
ZVAL_DOUBLE(stmt->result.vars[i], *(double *)stmt->result.buf[i].val);
break;
case IS_STRING:
if (stmt->stmt->bind[i].buffer_type == MYSQL_TYPE_LONGLONG) {
my_bool uns= (stmt->stmt->fields[i].flags & UNSIGNED_FLAG)? 1:0;
llval= *(my_ulonglong *) stmt->result.buf[i].val;
#if SIZEOF_LONG==8
if (uns && llval > 9223372036854775807L) {
#elif SIZEOF_LONG==4
if ((uns && llval > L64(2147483647)) ||
(!uns && (( L64(2147483647) < (my_longlong) llval) || (L64(-2147483648) > (my_longlong) llval))))
{
#endif
char tmp[22];
/* even though lval is declared as unsigned, the value
* may be negative. Therefor we cannot use MYSQLI_LLU_SPEC and must
* use MYSQLI_LL_SPEC.
*/
snprintf(tmp, sizeof(tmp), (stmt->stmt->fields[i].flags & UNSIGNED_FLAG)? MYSQLI_LLU_SPEC : MYSQLI_LL_SPEC, llval);
ZVAL_STRING(stmt->result.vars[i], tmp, 1);
} else {
ZVAL_LONG(stmt->result.vars[i], llval);
}
}
#if MYSQL_VERSION_ID > 50002
else if (stmt->stmt->bind[i].buffer_type == MYSQL_TYPE_BIT) {
llval = *(my_ulonglong *)stmt->result.buf[i].val;
ZVAL_LONG(stmt->result.vars[i], llval);
}
#endif
else {
#if defined(MYSQL_DATA_TRUNCATED) && MYSQL_VERSION_ID > 50002
if(ret == MYSQL_DATA_TRUNCATED && *(stmt->stmt->bind[i].error) != 0) {
/* result was truncated */
ZVAL_STRINGL(stmt->result.vars[i], stmt->result.buf[i].val, stmt->stmt->bind[i].buffer_length, 1);
} else {
#else
{
#endif
ZVAL_STRINGL(stmt->result.vars[i], stmt->result.buf[i].val, stmt->result.buf[i].output_len, 1);
}
}
break;
default:
break;
}
} else {
ZVAL_NULL(stmt->result.vars[i]);
}
}
} else {
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
}
switch (ret) {
case 0:
#ifdef MYSQL_DATA_TRUNCATED
/* according to SQL standard truncation (e.g. loss of precision is
not an error) - for detecting possible truncation you have to
check mysqli_stmt_warning
*/
case MYSQL_DATA_TRUNCATED:
#endif
RETURN_TRUE;
break;
case 1:
RETURN_FALSE;
break;
default:
RETURN_NULL();
break;
}
}
/* }}} */
/* {{{ proto mixed mysqli_fetch_field (object result)
Get column information from a result and return as an object */
PHP_FUNCTION(mysqli_fetch_field)
{
MYSQL_RES *result;
zval *mysql_result;
MYSQL_FIELD *field;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_result, mysqli_result_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
if (!(field = mysql_fetch_field(result))) {
RETURN_FALSE;
}
object_init(return_value);
add_property_string(return_value, "name",(field->name ? field->name : ""), 1);
add_property_string(return_value, "orgname",(field->org_name ? field->org_name : ""), 1);
add_property_string(return_value, "table",(field->table ? field->table : ""), 1);
add_property_string(return_value, "orgtable",(field->org_table ? field->org_table : ""), 1);
add_property_string(return_value, "def",(field->def ? field->def : ""), 1);
add_property_long(return_value, "max_length", field->max_length);
add_property_long(return_value, "length", field->length);
add_property_long(return_value, "charsetnr", field->charsetnr);
add_property_long(return_value, "flags", field->flags);
add_property_long(return_value, "type", field->type);
add_property_long(return_value, "decimals", field->decimals);
}
/* }}} */
/* {{{ proto mixed mysqli_fetch_fields (object result)
Return array of objects containing field meta-data */
PHP_FUNCTION(mysqli_fetch_fields)
{
MYSQL_RES *result;
zval *mysql_result;
MYSQL_FIELD *field;
zval *obj;
unsigned int i;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_result, mysqli_result_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
array_init(return_value);
for (i = 0; i < mysql_num_fields(result); i++) {
field = mysql_fetch_field_direct(result, i);
MAKE_STD_ZVAL(obj);
object_init(obj);
add_property_string(obj, "name",(field->name ? field->name : ""), 1);
add_property_string(obj, "orgname",(field->org_name ? field->org_name : ""), 1);
add_property_string(obj, "table",(field->table ? field->table : ""), 1);
add_property_string(obj, "orgtable",(field->org_table ? field->org_table : ""), 1);
add_property_string(obj, "def",(field->def ? field->def : ""), 1);
add_property_long(obj, "max_length", field->max_length);
add_property_long(obj, "length", field->length);
add_property_long(obj, "charsetnr", field->charsetnr);
add_property_long(obj, "flags", field->flags);
add_property_long(obj, "type", field->type);
add_property_long(obj, "decimals", field->decimals);
add_index_zval(return_value, i, obj);
}
}
/* }}} */
/* {{{ proto mixed mysqli_fetch_field_direct (object result, int offset)
Fetch meta-data for a single field */
PHP_FUNCTION(mysqli_fetch_field_direct)
{
MYSQL_RES *result;
zval *mysql_result;
MYSQL_FIELD *field;
long offset;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol", &mysql_result, mysqli_result_class_entry, &offset) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
if (offset < 0 || offset >= mysql_num_fields(result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field offset is invalid for resultset");
RETURN_FALSE;
}
if (!(field = mysql_fetch_field_direct(result,offset))) {
RETURN_FALSE;
}
object_init(return_value);
add_property_string(return_value, "name",(field->name ? field->name : ""), 1);
add_property_string(return_value, "orgname",(field->org_name ? field->org_name : ""), 1);
add_property_string(return_value, "table",(field->table ? field->table : ""), 1);
add_property_string(return_value, "orgtable",(field->org_table ? field->org_table : ""), 1);
add_property_string(return_value, "def",(field->def ? field->def : ""), 1);
add_property_long(return_value, "max_length", field->max_length);
add_property_long(return_value, "length", field->length);
add_property_long(return_value, "charsetnr", field->charsetnr);
add_property_long(return_value, "flags", field->flags);
add_property_long(return_value, "type", field->type);
add_property_long(return_value, "decimals", field->decimals);
}
/* }}} */
/* {{{ proto mixed mysqli_fetch_lengths (object result)
Get the length of each output in a result */
PHP_FUNCTION(mysqli_fetch_lengths)
{
MYSQL_RES *result;
zval *mysql_result;
unsigned int i;
unsigned long *ret;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_result, mysqli_result_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
if (!(ret = mysql_fetch_lengths(result))) {
RETURN_FALSE;
}
array_init(return_value);
for (i = 0; i < mysql_num_fields(result); i++) {
add_index_long(return_value, i, ret[i]);
}
}
/* }}} */
/* {{{ proto array mysqli_fetch_row (object result)
Get a result row as an enumerated array */
PHP_FUNCTION(mysqli_fetch_row)
{
php_mysqli_fetch_into_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, MYSQLI_NUM, 0);
}
/* }}} */
/* {{{ proto int mysqli_field_count(object link)
Fetch the number of fields returned by the last query for the given link
*/
PHP_FUNCTION(mysqli_field_count)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(mysql, MY_MYSQL *, &mysql_link, "mysqli_link", MYSQLI_STATUS_VALID);
RETURN_LONG(mysql_field_count(mysql->mysql));
}
/* }}} */
/* {{{ proto int mysqli_field_seek(object result, int fieldnr)
Set result pointer to a specified field offset
*/
PHP_FUNCTION(mysqli_field_seek)
{
MYSQL_RES *result;
zval *mysql_result;
unsigned long fieldnr;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol", &mysql_result, mysqli_result_class_entry, &fieldnr) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
if (fieldnr < 0 || fieldnr >= mysql_num_fields(result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid field offset");
RETURN_FALSE;
}
mysql_field_seek(result, fieldnr);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int mysqli_field_tell(object result)
Get current field offset of result pointer */
PHP_FUNCTION(mysqli_field_tell)
{
MYSQL_RES *result;
zval *mysql_result;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_result, mysqli_result_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
RETURN_LONG(mysql_field_tell(result));
}
/* }}} */
/* {{{ proto void mysqli_free_result(object result)
Free query result memory for the given result handle */
PHP_FUNCTION(mysqli_free_result)
{
MYSQL_RES *result;
zval *mysql_result;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_result, mysqli_result_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, &mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
mysql_free_result(result);
MYSQLI_CLEAR_RESOURCE(&mysql_result);
}
/* }}} */
/* {{{ proto string mysqli_get_client_info(void)