Fix parsing of @{-1}@{1}

diff --git a/sha1_file.c b/sha1_file.c
index 0e021c5eca8ea1a85d7863c427e054fd24fcd95a..f08493f039fa28c90e3edc708bbcf0a527e4f659 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -1700,6 +1700,9 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset,
        delta_base_cache_lru.prev = &ent->lru;
 }
 
+static void *read_object(const unsigned char *sha1, enum object_type *type,
+                        unsigned long *size);
+
 static void *unpack_delta_entry(struct packed_git *p,
                                struct pack_window **w_curs,
                                off_t curpos,
@@ -2130,8 +2133,8 @@ int pretend_sha1_file(void *buf, unsigned long len, enum object_type type,
        return 0;
 }
 
-void *read_object(const unsigned char *sha1, enum object_type *type,
-                 unsigned long *size)
+static void *read_object(const unsigned char *sha1, enum object_type *type,
+                        unsigned long *size)
 {
        unsigned long mapsize;
        void *map, *buf;
@@ -2523,8 +2526,7 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
 int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object)
 {
        int fd;
-       char *target;
-       size_t len;
+       struct strbuf sb = STRBUF_INIT;
 
        switch (st->st_mode & S_IFMT) {
        case S_IFREG:
@@ -2537,20 +2539,17 @@ int index_path(unsigned char *sha1, const char *path, struct stat *st, int write
                                     path);
                break;
        case S_IFLNK:
-               len = xsize_t(st->st_size);
-               target = xmalloc(len + 1);
-               if (readlink(path, target, len + 1) != st->st_size) {
+               if (strbuf_readlink(&sb, path, st->st_size)) {
                        char *errstr = strerror(errno);
-                       free(target);
                        return error("readlink(\"%s\"): %s", path,
                                     errstr);
                }
                if (!write_object)
-                       hash_sha1_file(target, len, blob_type, sha1);
-               else if (write_sha1_file(target, len, blob_type, sha1))
+                       hash_sha1_file(sb.buf, sb.len, blob_type, sha1);
+               else if (write_sha1_file(sb.buf, sb.len, blob_type, sha1))
                        return error("%s: failed to insert into database",
                                     path);
-               free(target);
+               strbuf_release(&sb);
                break;
        case S_IFDIR:
                return resolve_gitlink_ref(path, "HEAD", sha1);