*** empty log message ***

[oweals/busybox.git] / libbb / xreadlink.c

diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 66f63b8838cfa4d47bb443f4f1d2d3687d1a3cff..932e487a59d718093cb29f9d4967d8dc504772e8 100644 (file)
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -1,5 +1,6 @@
 /*
- *  xreadlink.c - safe implementation of readlink
+ *  xreadlink.c - safe implementation of readlink.
+ *  Returns a NULL on failure...
  */
 
 #include <stdio.h>
@@ -22,8 +23,10 @@ extern char *xreadlink(const char *path)
        do {
                buf = xrealloc(buf, bufsize += GROWBY);
                readsize = readlink(path, buf, bufsize); /* 1st try */
-               if (readsize == -1)
-                       perror_msg("%s:%s", applet_name, path);
+               if (readsize == -1) {
+                   perror_msg("%s:%s", applet_name, path);
+                   return NULL;
+               }
        }           
        while (bufsize < readsize + 1);