Remove unreachable statements

diff --git a/refs.c b/refs.c
index 7fb3350789a407e36dc74418b79508e9bf916594..ae532540cf2592aee2be7610ac811082c3a9b6be 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -2,6 +2,7 @@
 #include "refs.h"
 #include "object.h"
 #include "tag.h"
+#include "dir.h"
 
 /* ISSYMREF=01 and ISPACKED=02 are public interfaces */
 #define REF_KNOWS_PEELED 04
@@ -579,18 +580,6 @@ int for_each_remote_ref(each_ref_fn fn, void *cb_data)
        return do_for_each_ref("refs/remotes/", fn, 13, cb_data);
 }
 
-/* NEEDSWORK: This is only used by ssh-upload and it should go; the
- * caller should do resolve_ref or read_ref like everybody else.  Or
- * maybe everybody else should use get_ref_sha1() instead of doing
- * read_ref().
- */
-int get_ref_sha1(const char *ref, unsigned char *sha1)
-{
-       if (check_ref_format(ref))
-               return -1;
-       return read_ref(mkpath("refs/%s", ref), sha1);
-}
-
 /*
  * Make sure "ref" is something reasonable to have under ".git/refs/";
  * We do not like it if:
@@ -671,57 +660,23 @@ static struct ref_lock *verify_lock(struct ref_lock *lock,
        return lock;
 }
 
-static int remove_empty_dir_recursive(char *path, int len)
-{
-       DIR *dir = opendir(path);
-       struct dirent *e;
-       int ret = 0;
-
-       if (!dir)
-               return -1;
-       if (path[len-1] != '/')
-               path[len++] = '/';
-       while ((e = readdir(dir)) != NULL) {
-               struct stat st;
-               int namlen;
-               if ((e->d_name[0] == '.') &&
-                   ((e->d_name[1] == 0) ||
-                    ((e->d_name[1] == '.') && e->d_name[2] == 0)))
-                       continue; /* "." and ".." */
-
-               namlen = strlen(e->d_name);
-               if ((len + namlen < PATH_MAX) &&
-                   strcpy(path + len, e->d_name) &&
-                   !lstat(path, &st) &&
-                   S_ISDIR(st.st_mode) &&
-                   !remove_empty_dir_recursive(path, len + namlen))
-                       continue; /* happy */
-
-               /* path too long, stat fails, or non-directory still exists */
-               ret = -1;
-               break;
-       }
-       closedir(dir);
-       if (!ret) {
-               path[len] = 0;
-               ret = rmdir(path);
-       }
-       return ret;
-}
-
-static int remove_empty_directories(char *file)
+static int remove_empty_directories(const char *file)
 {
        /* we want to create a file but there is a directory there;
         * if that is an empty directory (or a directory that contains
         * only empty directories), remove them.
         */
-       char path[PATH_MAX];
-       int len = strlen(file);
+       struct strbuf path;
+       int result;
 
-       if (len >= PATH_MAX) /* path too long ;-) */
-               return -1;
-       strcpy(path, file);
-       return remove_empty_dir_recursive(path, len);
+       strbuf_init(&path, 20);
+       strbuf_addstr(&path, file);
+
+       result = remove_dir_recursively(&path, 1);
+
+       strbuf_release(&path);
+
+       return result;
 }
 
 static int is_refname_available(const char *ref, const char *oldref,
@@ -1246,15 +1201,11 @@ int create_symref(const char *ref_target, const char *refs_heads_master,
 static char *ref_msg(const char *line, const char *endp)
 {
        const char *ep;
-       char *msg;
-
        line += 82;
-       for (ep = line; ep < endp && *ep != '\n'; ep++)
-               ;
-       msg = xmalloc(ep - line + 1);
-       memcpy(msg, line, ep - line);
-       msg[ep - line] = 0;
-       return msg;
+       ep = memchr(line, '\n', endp - line);
+       if (!ep)
+               ep = endp;
+       return xmemdupz(line, ep - line);
 }
 
 int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1, char **msg, unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt)