posix: validate mode argument in posix_access

Author: arshidkv12

ext/posix/posix.c

@@ -747,7 +747,7 @@ PHP_FUNCTION(posix_access)
 	if (mode < 0 || (mode & ~(F_OK | R_OK | W_OK | X_OK))) {
 		zend_argument_value_error(
 			2,
-			"must be a combination of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK"
+			"must be a bitmask of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK"
 		);
 		efree(path);
 		RETURN_THROWS();

ext/posix/tests/posix_access_flags.phpt

@@ -1,5 +1,11 @@
 --TEST--
 posix_access() flag (mode) validation
+--SKIPIF--
+<?php
+if (!function_exists("posix_mkfifo")) {
+    die("skip no posix_mkfifo()");
+}
+?>
 --FILE--
 <?php
 
@@ -43,8 +49,8 @@ if (posix_access($testfile, POSIX_F_OK)) {
 unlink($testfile);
 ?>
 --EXPECTF--
-posix_access(): Argument #2 ($flags) must be a combination of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK
-posix_access(): Argument #2 ($flags) must be a combination of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK
-posix_access(): Argument #2 ($flags) must be a combination of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK
+posix_access(): Argument #2 ($flags) must be a bitmask of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK
+posix_access(): Argument #2 ($flags) must be a bitmask of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK
+posix_access(): Argument #2 ($flags) must be a bitmask of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK, and POSIX_X_OK
 Read/write access OK
 File exists OK