remote.c: refactor match_explicit_refs()

diff --git a/builtin-update-index.c b/builtin-update-index.c
index c4eaa94998e5459158cd942dd9f13bae9924c1eb..509369e9e7b1719e53ba2dd2d976066fb9513353 100644 (file)
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -134,7 +134,7 @@ static int process_directory(const char *path, int len, struct stat *st)
        /* Exact match: file or existing gitlink */
        if (pos >= 0) {
                struct cache_entry *ce = active_cache[pos];
-               if (S_ISDIRLNK(ntohl(ce->ce_mode))) {
+               if (S_ISGITLINK(ntohl(ce->ce_mode))) {
 
                        /* Do nothing to the index if there is no HEAD! */
                        if (resolve_gitlink_ref(path, "HEAD", sha1) < 0)
@@ -178,7 +178,7 @@ static int process_file(const char *path, int len, struct stat *st)
        int pos = cache_name_pos(path, len);
        struct cache_entry *ce = pos < 0 ? NULL : active_cache[pos];
 
-       if (ce && S_ISDIRLNK(ntohl(ce->ce_mode)))
+       if (ce && S_ISGITLINK(ntohl(ce->ce_mode)))
                return error("%s is already a gitlink, not replacing", path);
 
        return add_one_path(ce, path, len, st);
@@ -303,6 +303,7 @@ static void read_index_info(int line_termination)
                char *path_name;
                unsigned char sha1[20];
                unsigned int mode;
+               unsigned long ul;
                int stage;
 
                /* This reads lines formatted in one of three formats:
@@ -325,9 +326,12 @@ static void read_index_info(int line_termination)
                if (buf.eof)
                        break;
 
-               mode = strtoul(buf.buf, &ptr, 8);
-               if (ptr == buf.buf || *ptr != ' ')
+               errno = 0;
+               ul = strtoul(buf.buf, &ptr, 8);
+               if (ptr == buf.buf || *ptr != ' '
+                   || errno || (unsigned int) ul != ul)
                        goto bad_line;
+               mode = ul;
 
                tab = strchr(ptr, '\t');
                if (!tab || tab - ptr < 41)
@@ -623,7 +627,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                if (i+3 >= argc)
                                        die("git-update-index: --cacheinfo <mode> <sha1> <path>");
 
-                               if ((sscanf(argv[i+1], "%o", &mode) != 1) ||
+                               if (strtoul_ui(argv[i+1], 8, &mode) ||
                                    get_sha1_hex(argv[i+2], sha1) ||
                                    add_cacheinfo(mode, sha1, argv[i+3], 0))
                                        die("git-update-index: --cacheinfo"