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Optimize strpbrk (#13558)

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This commit is contained in:
Niels Dossche
2024-03-05 20:51:12 +01:00
committed by GitHub
parent 7b23470666
commit 75e3f3e0ca
1 changed files with 8 additions and 7 deletions
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15
ext/standard/string.c
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@@ -6144,7 +6144,6 @@ PHP_FUNCTION(str_split)
PHP_FUNCTION(strpbrk)
{
zend_string *haystack, *char_list;
const char *haystack_ptr, *cl_ptr;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STR(haystack)
@@ -6156,12 +6155,14 @@ PHP_FUNCTION(strpbrk)
RETURN_THROWS();
}
for (haystack_ptr = ZSTR_VAL(haystack); haystack_ptr < (ZSTR_VAL(haystack) + ZSTR_LEN(haystack)); ++haystack_ptr) {
for (cl_ptr = ZSTR_VAL(char_list); cl_ptr < (ZSTR_VAL(char_list) + ZSTR_LEN(char_list)); ++cl_ptr) {
if (*cl_ptr == *haystack_ptr) {
RETURN_STRINGL(haystack_ptr, (ZSTR_VAL(haystack) + ZSTR_LEN(haystack) - haystack_ptr));
}
}
size_t shift = php_strcspn(
ZSTR_VAL(haystack),
ZSTR_VAL(char_list),
ZSTR_VAL(haystack) + ZSTR_LEN(haystack),
ZSTR_VAL(char_list) + ZSTR_LEN(char_list)
);
if (shift < ZSTR_LEN(haystack)) {
RETURN_STRINGL(ZSTR_VAL(haystack) + shift, ZSTR_LEN(haystack) - shift);
}
RETURN_FALSE;