From a9a5a0b016215b4e40a19acb69577d91cf21a563 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@glfw.org>
Date: Fri, 18 May 2018 11:30:14 +0200
Subject: [PATCH] Replace use of ctype function that caused warning

---
 src/input.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/input.c b/src/input.c
index 42975452..32e9d761 100644
--- a/src/input.c
+++ b/src/input.c
@@ -32,7 +32,6 @@
 #include <math.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
 
 // Internal key state used for sticky keys
 #define _GLFW_STICK 3
@@ -1086,7 +1085,9 @@ GLFWAPI int glfwUpdateGamepadMappings(const char* string)
 
     while (*c)
     {
-        if (isxdigit(*c))
+        if ((*c >= '0' && *c <= '9') ||
+            (*c >= 'a' && *c <= 'z') ||
+            (*c >= 'A' && *c <= 'Z'))
         {
             char line[1024];