Return NULL if argument is NULL.

2006-07-17 15:25:37 +00:00
parent 9c83a20a27
commit f72c4e82fd
1 changed files with 3 additions and 0 deletions
--- a/lib/strdup.c
+++ b/lib/strdup.c
@@ -30,6 +30,9 @@ char *curlx_strdup(const char *str)
  int len;
  char *newstr;

+  if (!str)
+    return (char *)NULL;
+
  len = strlen(str);
  newstr = (char *) malloc((len+1)*sizeof(char));
  if (!newstr)