simplified logic

Author: Sriya Pratipati

libc/src/wchar/wchar_utils.h

@@ -29,12 +29,11 @@ LIBC_INLINE bool internal_wcschr(wchar_t c, const wchar_t *str) {
 // To avoid duplicated code, call this with true for wcscspn and call with false
 // for wcsspn
 LIBC_INLINE size_t inline_wcsspn(const wchar_t *s1, const wchar_t *s2,
-                                 bool invert) {
+                                 bool match_set) {
   size_t i = 0;
   for (; s1[i]; ++i) {
-    bool check = internal_wcschr(s1[i], s2);
-    check = invert ? !check : check;
-    if (!check)
+    bool in_set = internal_wcschr(s1[i], s2);
+    if (in_set == match_set)
       return i;
   }
   return i;