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Avoid superflous allocations in convert_to_string

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Taken from zval_get_string.
This commit is contained in:
Nikita Popov 2014-05-01 08:55:59 +02:00
parent e0247de147
commit d820ea9f5e
1 changed files with 7 additions and 19 deletions
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26
Zend/zend_operators.c
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@ -596,9 +596,6 @@ ZEND_API void _convert_to_cstring(zval *op ZEND_FILE_LINE_DC) /* {{{ */
ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC) /* {{{ */
{
long lval;
double dval;
switch (Z_TYPE_P(op)) {
case IS_NULL:
case IS_FALSE: {
@ -612,32 +609,23 @@ ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC) /* {{{ */
case IS_STRING:
break;
case IS_RESOURCE: {
long tmp = Z_RES_HANDLE_P(op);
char *str;
int len;
zval_ptr_dtor(op);
len = zend_spprintf(&str, 0, "Resource id #%ld", tmp);
ZVAL_NEW_STR(op, STR_INIT(str, len, 0));
efree(str);
char buf[sizeof("Resource id #") + MAX_LENGTH_OF_LONG];
int len = snprintf(buf, sizeof(buf), "Resource id #%ld", Z_RES_HANDLE_P(op));
ZVAL_NEW_STR(op, STR_INIT(buf, len, 0));
break;
}
case IS_LONG: {
char *str;
int len;
lval = Z_LVAL_P(op);
len = zend_spprintf(&str, 0, "%ld", lval);
ZVAL_NEW_STR(op, STR_INIT(str, len, 0));
efree(str);
char buf[MAX_LENGTH_OF_LONG + 1];
int len = snprintf(buf, sizeof(buf), "%ld", Z_LVAL_P(op));
ZVAL_NEW_STR(op, STR_INIT(buf, len, 0));
break;
}
case IS_DOUBLE: {
char *str;
int len;
double dval = Z_DVAL_P(op);
TSRMLS_FETCH();
dval = Z_DVAL_P(op);
len = zend_spprintf(&str, 0, "%.*G", (int) EG(precision), dval);
/* %G already handles removing trailing zeros from the fractional part, yay */
ZVAL_NEW_STR(op, STR_INIT(str, len, 0));