ext/pgsql: convert regex match, using pcre jit if available and enabled.

Author: devnexen

ext/pgsql/pgsql.c

@@ -4679,6 +4679,7 @@ static int php_pgsql_convert_match(const zend_string *str, const char *regex , s
 	uint32_t options = PCRE2_NO_AUTO_CAPTURE;
 	size_t i;
 	pcre2_match_data *match_data;
+	PCRE2_UCHAR err_msg[128];
 
 	/* Check invalid chars for POSIX regex */
 	for (i = 0; i < ZSTR_LEN(str); i++) {
@@ -4695,11 +4696,22 @@ static int php_pgsql_convert_match(const zend_string *str, const char *regex , s
 
 	re = pcre2_compile((PCRE2_SPTR)regex, regex_len, options, &errnumber, &err_offset, php_pcre_cctx());
 	if (NULL == re) {
-		PCRE2_UCHAR err_msg[128];
 		pcre2_get_error_message(errnumber, err_msg, sizeof(err_msg));
 		php_error_docref(NULL, E_WARNING, "Cannot compile regex: '%s'", err_msg);
 		return FAILURE;
 	}
+#if defined(HAVE_PCRE_JIT_SUPPORT)
+	if (PCRE_G(jit)) {
+		/*
+		 * Check if the JIT pass did not work, but the regex had been compiled successfully earlier
+		 * so let's not end it here.
+		 */
+		if (UNEXPECTED(pcre2_jit_compile(re, PCRE2_JIT_COMPLETE) != 0)) {
+			pcre2_get_error_message(errnumber, err_msg, sizeof(err_msg));
+			php_error_docref(NULL, E_WARNING, "Cannot use JIT on regex: '%s'", err_msg);
+		}
+	}
+#endif
 
 	match_data = php_pcre_create_match_data(0, re);
 	if (NULL == match_data) {