Batch from Bastian Blank to fix debian bug #216435;

When linking a non existing file busybox ln will report the target
missind and not the source:


git-svn-id: svn://busybox.net/trunk/busybox@8206 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 12 insertions, 4 deletions

diff --git a/coreutils/ln.c b/coreutils/ln.c
index 5217634f7..0640c6666 100644
--- a/coreutils/ln.c
+++ b/coreutils/ln.c
@@ -43,7 +43,8 @@ extern int ln_main(int argc, char **argv)
         int flag;
         char *last;
         char *src_name;
-        const char *src;
+        char *src;
+        struct stat statbuf;
         int (*link_func)(const char *, const char *);
 
         flag = bb_getopt_ulflags(argc, argv, "sfn");
@@ -61,7 +62,7 @@ extern int ln_main(int argc, char **argv)
         }
 
         do {
-                src_name = 0;
+                src_name = NULL;
                 src = last;
 
                 if (is_directory(src,
@@ -70,7 +71,14 @@ extern int ln_main(int argc, char **argv)
                         src_name = bb_xstrdup(*argv);
                         src = concat_path_file(src, bb_get_last_path_component(src_name));
                         free(src_name);
-                        src_name = (char *)src;
+                        src_name = src;
+                }
+
+                if (stat(*argv, &statbuf)) {
+                        bb_perror_msg(*argv);
+                        status = EXIT_FAILURE;
+                        free(src_name);
+                        continue;
                 }
 
                 if (flag & LN_FORCE) {
@@ -84,7 +92,7 @@ extern int ln_main(int argc, char **argv)
                 
                 if (link_func(*argv, src) != 0) {
                         bb_perror_msg(src);
-                        status = EXIT_FAILURE;;
+                        status = EXIT_FAILURE;
                 }
 
                 free(src_name);