From f71c6579e5990024e707c183012f5fe0c4a66459 Mon Sep 17 00:00:00 2001
From: michalbiesek <39981869+michalbiesek@users.noreply.github.com>
Date: Wed, 31 Jul 2019 19:44:31 +0200
Subject: [PATCH] cc_option simplify _allowed_in_name (#205)

- simplify check
- determine if character is alphanumeric by isalnum function
---
 src/cc_option.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/cc_option.c b/src/cc_option.c
index 2a18fbf4c..330463760 100644
--- a/src/cc_option.c
+++ b/src/cc_option.c
@@ -441,8 +441,7 @@ static inline bool
 _allowed_in_name(char c)
 {
     /* the criteria is C's rules on variable names since we use it as such */
-    if ((c >= 'a' && c <= 'z') || c == '_' || (c >= 'A' && c <= 'Z') ||
-        (c >= '0' && c <= '9')) {
+    if (isalnum(c) || c == '_') {
         return true;
     } else {
         return false;