X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglprint.c;h=0081953d8b088de4998ecc8c62b5c6e8d91d499c;hb=ca49785159e6a7cfd2d999a99041fa1567575a24;hp=9721463eff76a4f552f954886553b4cf8f6c244c;hpb=3c32a221de1435ae7af8d96182560e8b28f1a4c0;p=gldbg.git

diff --git a/source/glprint.c b/source/glprint.c
index 9721463..0081953 100644
--- a/source/glprint.c
+++ b/source/glprint.c
@@ -8,6 +8,7 @@ Distributed under the GPL
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <ctype.h>
 #include "arraysize.h"
 #include "enums.h"
 #include "glprint.h"
@@ -73,6 +74,9 @@ static const char *print_array(const char *fmt, const void *data, unsigned elem_
 	char *ptr;
 	unsigned i;
 
+	if(!data)
+		return "NULL";
+
 	for(cptr=fmt; (type<2 && *cptr); ++cptr)
 	{
 		if(*cptr=='%')