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concat.c
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concat.c
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ext.h"
#include "ext/standard/php_string.h"
#include "ext.h"
#include "kernel/main.h"
#include "kernel/memory.h"
#include "kernel/concat.h"
void zephir_concat_ss(zval **result, const char *op1, zend_uint op1_len, const char *op2, zend_uint op2_len, int self_var TSRMLS_DC){
zval result_copy;
int use_copy = 0;
uint offset = 0, length;
length = op1_len + op2_len;
if (self_var) {
if (Z_TYPE_PP(result) != IS_STRING) {
zend_make_printable_zval(*result, &result_copy, &use_copy);
if (use_copy) {
ZEPHIR_CPY_WRT_CTOR(*result, (&result_copy));
}
}
offset = Z_STRLEN_PP(result);
length += offset;
Z_STRVAL_PP(result) = (char *) erealloc(Z_STRVAL_PP(result), length + 1);
} else {
Z_STRVAL_PP(result) = (char *) emalloc(length + 1);
}
memcpy(Z_STRVAL_PP(result) + offset, op1, op1_len);
memcpy(Z_STRVAL_PP(result) + offset + op1_len, op2, op2_len);
Z_STRVAL_PP(result)[length] = 0;
Z_TYPE_PP(result) = IS_STRING;
Z_STRLEN_PP(result) = length;
if (use_copy) {
zval_dtor(&result_copy);
}
}
void zephir_concat_sv(zval **result, const char *op1, zend_uint op1_len, zval *op2, int self_var TSRMLS_DC){
zval result_copy, op2_copy;
int use_copy = 0, use_copy2 = 0;
uint offset = 0, length;
if (Z_TYPE_P(op2) != IS_STRING) {
zend_make_printable_zval(op2, &op2_copy, &use_copy2);
if (use_copy2) {
op2 = &op2_copy;
}
}
length = op1_len + Z_STRLEN_P(op2);
if (self_var) {
if (Z_TYPE_PP(result) != IS_STRING) {
zend_make_printable_zval(*result, &result_copy, &use_copy);
if (use_copy) {
ZEPHIR_CPY_WRT_CTOR(*result, (&result_copy));
}
}
offset = Z_STRLEN_PP(result);
length += offset;
Z_STRVAL_PP(result) = (char *) erealloc(Z_STRVAL_PP(result), length + 1);
} else {
Z_STRVAL_PP(result) = (char *) emalloc(length + 1);
}
memcpy(Z_STRVAL_PP(result) + offset, op1, op1_len);
memcpy(Z_STRVAL_PP(result) + offset + op1_len, Z_STRVAL_P(op2), Z_STRLEN_P(op2));
Z_STRVAL_PP(result)[length] = 0;
Z_TYPE_PP(result) = IS_STRING;
Z_STRLEN_PP(result) = length;
if (use_copy2) {
zval_dtor(op2);
}
if (use_copy) {
zval_dtor(&result_copy);
}
}
void zephir_concat_svs(zval **result, const char *op1, zend_uint op1_len, zval *op2, const char *op3, zend_uint op3_len, int self_var TSRMLS_DC){
zval result_copy, op2_copy;
int use_copy = 0, use_copy2 = 0;
uint offset = 0, length;
if (Z_TYPE_P(op2) != IS_STRING) {
zend_make_printable_zval(op2, &op2_copy, &use_copy2);
if (use_copy2) {
op2 = &op2_copy;
}
}
length = op1_len + Z_STRLEN_P(op2) + op3_len;
if (self_var) {
if (Z_TYPE_PP(result) != IS_STRING) {
zend_make_printable_zval(*result, &result_copy, &use_copy);
if (use_copy) {
ZEPHIR_CPY_WRT_CTOR(*result, (&result_copy));
}
}
offset = Z_STRLEN_PP(result);
length += offset;
Z_STRVAL_PP(result) = (char *) erealloc(Z_STRVAL_PP(result), length + 1);
} else {
Z_STRVAL_PP(result) = (char *) emalloc(length + 1);
}
memcpy(Z_STRVAL_PP(result) + offset, op1, op1_len);
memcpy(Z_STRVAL_PP(result) + offset + op1_len, Z_STRVAL_P(op2), Z_STRLEN_P(op2));
memcpy(Z_STRVAL_PP(result) + offset + op1_len + Z_STRLEN_P(op2), op3, op3_len);
Z_STRVAL_PP(result)[length] = 0;
Z_TYPE_PP(result) = IS_STRING;
Z_STRLEN_PP(result) = length;
if (use_copy2) {
zval_dtor(op2);
}
if (use_copy) {
zval_dtor(&result_copy);
}
}
void zephir_concat_vs(zval **result, zval *op1, const char *op2, zend_uint op2_len, int self_var TSRMLS_DC){
zval result_copy, op1_copy;
int use_copy = 0, use_copy1 = 0;
uint offset = 0, length;
if (Z_TYPE_P(op1) != IS_STRING) {
zend_make_printable_zval(op1, &op1_copy, &use_copy1);
if (use_copy1) {
op1 = &op1_copy;
}
}
length = Z_STRLEN_P(op1) + op2_len;
if (self_var) {
if (Z_TYPE_PP(result) != IS_STRING) {
zend_make_printable_zval(*result, &result_copy, &use_copy);
if (use_copy) {
ZEPHIR_CPY_WRT_CTOR(*result, (&result_copy));
}
}
offset = Z_STRLEN_PP(result);
length += offset;
Z_STRVAL_PP(result) = (char *) erealloc(Z_STRVAL_PP(result), length + 1);
} else {
Z_STRVAL_PP(result) = (char *) emalloc(length + 1);
}
memcpy(Z_STRVAL_PP(result) + offset, Z_STRVAL_P(op1), Z_STRLEN_P(op1));
memcpy(Z_STRVAL_PP(result) + offset + Z_STRLEN_P(op1), op2, op2_len);
Z_STRVAL_PP(result)[length] = 0;
Z_TYPE_PP(result) = IS_STRING;
Z_STRLEN_PP(result) = length;
if (use_copy1) {
zval_dtor(op1);
}
if (use_copy) {
zval_dtor(&result_copy);
}
}
void zephir_concat_vv(zval **result, zval *op1, zval *op2, int self_var TSRMLS_DC){
zval result_copy, op1_copy, op2_copy;
int use_copy = 0, use_copy1 = 0, use_copy2 = 0;
uint offset = 0, length;
if (Z_TYPE_P(op1) != IS_STRING) {
zend_make_printable_zval(op1, &op1_copy, &use_copy1);
if (use_copy1) {
op1 = &op1_copy;
}
}
if (Z_TYPE_P(op2) != IS_STRING) {
zend_make_printable_zval(op2, &op2_copy, &use_copy2);
if (use_copy2) {
op2 = &op2_copy;
}
}
length = Z_STRLEN_P(op1) + Z_STRLEN_P(op2);
if (self_var) {
if (Z_TYPE_PP(result) != IS_STRING) {
zend_make_printable_zval(*result, &result_copy, &use_copy);
if (use_copy) {
ZEPHIR_CPY_WRT_CTOR(*result, (&result_copy));
}
}
offset = Z_STRLEN_PP(result);
length += offset;
Z_STRVAL_PP(result) = (char *) erealloc(Z_STRVAL_PP(result), length + 1);
} else {
Z_STRVAL_PP(result) = (char *) emalloc(length + 1);
}
memcpy(Z_STRVAL_PP(result) + offset, Z_STRVAL_P(op1), Z_STRLEN_P(op1));
memcpy(Z_STRVAL_PP(result) + offset + Z_STRLEN_P(op1), Z_STRVAL_P(op2), Z_STRLEN_P(op2));
Z_STRVAL_PP(result)[length] = 0;
Z_TYPE_PP(result) = IS_STRING;
Z_STRLEN_PP(result) = length;
if (use_copy1) {
zval_dtor(op1);
}
if (use_copy2) {
zval_dtor(op2);
}
if (use_copy) {
zval_dtor(&result_copy);
}
}
void zephir_concat_function(zval *result, zval *op1, zval *op2 TSRMLS_DC) /* {{{ */
{
#if PHP_VERSION_ID < 50400
zval op1_copy, op2_copy;
int use_copy1 = 0, use_copy2 = 0;
if (Z_TYPE_P(op1) != IS_STRING) {
zend_make_printable_zval(op1, &op1_copy, &use_copy1);
}
if (Z_TYPE_P(op2) != IS_STRING) {
zend_make_printable_zval(op2, &op2_copy, &use_copy2);
}
if (use_copy1) {
/* We have created a converted copy of op1. Therefore, op1 won't become the result so
* we have to free it.
*/
if (result == op1) {
zval_dtor(op1);
}
op1 = &op1_copy;
}
if (use_copy2) {
op2 = &op2_copy;
}
if (result==op1 && !IS_INTERNED(Z_STRVAL_P(op1))) { /* special case, perform operations on result */
uint res_len = Z_STRLEN_P(op1) + Z_STRLEN_P(op2);
if (Z_STRLEN_P(result) < 0 || (int) (Z_STRLEN_P(op1) + Z_STRLEN_P(op2)) < 0) {
efree(Z_STRVAL_P(result));
ZVAL_EMPTY_STRING(result);
zend_error(E_ERROR, "String size overflow");
}
Z_STRVAL_P(result) = erealloc(Z_STRVAL_P(result), res_len+1);
memcpy(Z_STRVAL_P(result)+Z_STRLEN_P(result), Z_STRVAL_P(op2), Z_STRLEN_P(op2));
Z_STRVAL_P(result)[res_len]=0;
Z_STRLEN_P(result) = res_len;
} else {
int length = Z_STRLEN_P(op1) + Z_STRLEN_P(op2);
char *buf = (char *) emalloc(length + 1);
memcpy(buf, Z_STRVAL_P(op1), Z_STRLEN_P(op1));
memcpy(buf + Z_STRLEN_P(op1), Z_STRVAL_P(op2), Z_STRLEN_P(op2));
buf[length] = 0;
ZVAL_STRINGL(result, buf, length, 0);
}
if (use_copy1) {
zval_dtor(op1);
}
if (use_copy2) {
zval_dtor(op2);
}
#else
concat_function(result, op1, op2 TSRMLS_CC);
#endif
}