util: strndup really stop and add null termination

Signed-off-by: Julien Danjou <julien@danjou.info>
2008-08-26 18:01:25 +02:00 · 2008-08-26 18:01:25 +02:00 · c8bd181b27
parent c4d8cad1c5
commit c8bd181b27
1 changed files with 7 additions and 1 deletions
--- a/common/util.h
+++ b/common/util.h
@ -215,7 +215,13 @@ static inline
 char * a_strndup(const char *s, ssize_t l)
 {
    ssize_t len = MIN(a_strlen(s), l);
-    return len ? p_dup(s, len + 1) : NULL;
+    if(len)
+    {
+        char *p = p_dup(s, len + 1);
+        p[len] = '\0';
+        return p;
+    }
+    return NULL;
 }

 /** \brief \c NULL resistant strcmp.