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Diffstat (limited to 'ext/standard/string.c')
-rw-r--r--ext/standard/string.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/ext/standard/string.c b/ext/standard/string.c
index b47319be31..eafa6cf2a0 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -5585,14 +5585,13 @@ PHP_FUNCTION(substr_compare)
int s1_len, s2_len;
long offset, len=0;
zend_bool cs=0;
- uint cmp_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ssl|lb", &s1, &s1_len, &s2, &s2_len, &offset, &len, &cs) == FAILURE) {
RETURN_FALSE;
}
- if (ZEND_NUM_ARGS() >= 4 && len <= 0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "The length must be greater than zero");
+ if (ZEND_NUM_ARGS() >= 4 && len < 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "The length must be greater than or equal to zero");
RETURN_FALSE;
}
@@ -5606,12 +5605,10 @@ PHP_FUNCTION(substr_compare)
RETURN_FALSE;
}
- cmp_len = (uint) (len ? len : MAX(s2_len, (s1_len - offset)));
-
if (!cs) {
- RETURN_LONG(zend_binary_strncmp(s1 + offset, (s1_len - offset), s2, s2_len, cmp_len));
+ RETURN_LONG(zend_binary_strncmp(s1 + offset, (s1_len - offset), s2, s2_len, (uint)len));
} else {
- RETURN_LONG(zend_binary_strncasecmp_l(s1 + offset, (s1_len - offset), s2, s2_len, cmp_len));
+ RETURN_LONG(zend_binary_strncasecmp_l(s1 + offset, (s1_len - offset), s2, s2_len, (uint)len));
}
}
/* }}} */