Don't use ctype.h routines.

That avoids locale dependency and handles possibly-signed chars(which
we weren't always doing before).

Change-Id: I89e50678abb8c3e535081c92ca25bc1bab672c68
Reviewed-on: https://code.wireshark.org/review/4798
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 1 insertions, 2 deletions

diff --git a/fileset.c b/fileset.c
index afa9e38c8d..4c23790bb9 100644
--- a/fileset.c
+++ b/fileset.c
@@ -44,7 +44,6 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <ctype.h>
 
 #include <glib.h>
 
@@ -109,7 +108,7 @@ fileset_filename_match_pattern(const char *fname)
     while(minlen--) {
         baselen--;
 
-        if(!isdigit( (guchar) filename[baselen])) {
+        if(!g_ascii_isdigit( filename[baselen])) {
             g_free(filename);
             return FALSE;
         }