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-rw-r--r--tools.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/tools.c b/tools.c
index 85fd4061..031c120a 100644
--- a/tools.c
+++ b/tools.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: tools.c 1.111 2006/01/15 16:42:37 kls Exp $
+ * $Id: tools.c 1.112 2006/01/20 14:01:28 kls Exp $
*/
#include "tools.h"
@@ -138,13 +138,14 @@ char *strn0cpy(char *dest, const char *src, size_t n)
char *strreplace(char *s, char c1, char c2)
{
- char *p = s;
-
- while (p && *p) {
- if (*p == c1)
- *p = c2;
- p++;
- }
+ if (s) {
+ char *p = s;
+ while (*p) {
+ if (*p == c1)
+ *p = c2;
+ p++;
+ }
+ }
return s;
}