object: introduce get_object_hash macro.

diff --git a/sha1_file.c b/sha1_file.c
index 4211af1d89be432bf0a232557f0b6874a5f271f0..27ce7b705e12ca0343a4a232788494e5dee518d5 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -769,6 +769,37 @@ void close_pack_windows(struct packed_git *p)
        }
 }
 
+static int close_pack_fd(struct packed_git *p)
+{
+       if (p->pack_fd < 0)
+               return 0;
+
+       close(p->pack_fd);
+       pack_open_fds--;
+       p->pack_fd = -1;
+
+       return 1;
+}
+
+static void close_pack(struct packed_git *p)
+{
+       close_pack_windows(p);
+       close_pack_fd(p);
+       close_pack_index(p);
+}
+
+void close_all_packs(void)
+{
+       struct packed_git *p;
+
+       for (p = packed_git; p; p = p->next)
+               if (p->do_not_close)
+                       die("BUG! Want to close pack marked 'do-not-close'");
+               else
+                       close_pack(p);
+}
+
+
 /*
  * The LRU pack is the one with the oldest MRU window, preferring packs
  * with no used windows, or the oldest mtime if it has no windows allocated.
@@ -836,12 +867,8 @@ static int close_one_pack(void)
                find_lru_pack(p, &lru_p, &mru_w, &accept_windows_inuse);
        }
 
-       if (lru_p) {
-               close(lru_p->pack_fd);
-               pack_open_fds--;
-               lru_p->pack_fd = -1;
-               return 1;
-       }
+       if (lru_p)
+               return close_pack_fd(lru_p);
 
        return 0;
 }
@@ -881,12 +908,7 @@ void free_pack_by_name(const char *pack_name)
                p = *pp;
                if (strcmp(pack_name, p->pack_name) == 0) {
                        clear_delta_base_cache();
-                       close_pack_windows(p);
-                       if (p->pack_fd != -1) {
-                               close(p->pack_fd);
-                               pack_open_fds--;
-                       }
-                       close_pack_index(p);
+                       close_pack(p);
                        free(p->bad_object_sha1);
                        *pp = p->next;
                        if (last_found_pack == p)
@@ -1020,11 +1042,7 @@ static int open_packed_git(struct packed_git *p)
 {
        if (!open_packed_git_1(p))
                return 0;
-       if (p->pack_fd != -1) {
-               close(p->pack_fd);
-               pack_open_fds--;
-               p->pack_fd = -1;
-       }
+       close_pack_fd(p);
        return -1;
 }
 
@@ -1090,11 +1108,8 @@ unsigned char *use_pack(struct packed_git *p,
                                        p->pack_name,
                                        strerror(errno));
                        if (!win->offset && win->len == p->pack_size
-                               && !p->do_not_close) {
-                               close(p->pack_fd);
-                               pack_open_fds--;
-                               p->pack_fd = -1;
-                       }
+                               && !p->do_not_close)
+                               close_pack_fd(p);
                        pack_mmap_calls++;
                        pack_open_windows++;
                        if (pack_mapped > peak_pack_mapped)
@@ -1180,9 +1195,10 @@ struct packed_git *add_packed_git(const char *path, size_t path_len, int local)
 struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path)
 {
        const char *path = sha1_pack_name(sha1);
-       struct packed_git *p = alloc_packed_git(strlen(path) + 1);
+       int alloc = strlen(path) + 1;
+       struct packed_git *p = alloc_packed_git(alloc);
 
-       strcpy(p->pack_name, path);
+       memcpy(p->pack_name, path, alloc); /* includes NUL */
        hashcpy(p->sha1, sha1);
        if (check_packed_git_idx(idx_path, p)) {
                free(p);
@@ -1201,27 +1217,16 @@ void install_packed_git(struct packed_git *pack)
        packed_git = pack;
 }
 
-void (*report_garbage)(const char *desc, const char *path);
+void (*report_garbage)(unsigned seen_bits, const char *path);
 
 static void report_helper(const struct string_list *list,
                          int seen_bits, int first, int last)
 {
-       const char *msg;
-       switch (seen_bits) {
-       case 0:
-               msg = "no corresponding .idx or .pack";
-               break;
-       case 1:
-               msg = "no corresponding .idx";
-               break;
-       case 2:
-               msg = "no corresponding .pack";
-               break;
-       default:
+       if (seen_bits == (PACKDIR_FILE_PACK|PACKDIR_FILE_IDX))
                return;
-       }
+
        for (; first < last; first++)
-               report_garbage(msg, list->items[first].string);
+               report_garbage(seen_bits, list->items[first].string);
 }
 
 static void report_pack_garbage(struct string_list *list)
@@ -1244,7 +1249,7 @@ static void report_pack_garbage(struct string_list *list)
                if (baselen == -1) {
                        const char *dot = strrchr(path, '.');
                        if (!dot) {
-                               report_garbage("garbage found", path);
+                               report_garbage(PACKDIR_FILE_GARBAGE, path);
                                continue;
                        }
                        baselen = dot - path + 1;
@@ -1316,7 +1321,7 @@ static void prepare_packed_git_one(char *objdir, int local)
                    ends_with(de->d_name, ".keep"))
                        string_list_append(&garbage, path.buf);
                else
-                       report_garbage("garbage found", path.buf);
+                       report_garbage(PACKDIR_FILE_GARBAGE, path.buf);
        }
        closedir(dir);
        report_pack_garbage(&garbage);
@@ -2110,7 +2115,7 @@ static unsigned long pack_entry_hash(struct packed_git *p, off_t base_offset)
 {
        unsigned long hash;
 
-       hash = (unsigned long)p + (unsigned long)base_offset;
+       hash = (unsigned long)(intptr_t)p + (unsigned long)base_offset;
        hash += (hash >> 8) + (hash >> 16);
        return hash % MAX_DELTA_CACHE;
 }
@@ -3211,6 +3216,11 @@ int has_sha1_file_with_flags(const unsigned char *sha1, int flags)
        return find_pack_entry(sha1, &e);
 }
 
+int has_object_file(const struct object_id *oid)
+{
+       return has_sha1_file(oid->hash);
+}
+
 static void check_tree(const void *buf, size_t size)
 {
        struct tree_desc desc;