diff options
Diffstat (limited to 'sha1_file.c')
-rw-r--r-- | sha1_file.c | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/sha1_file.c b/sha1_file.c index 6628f06da3..59a4ed2ed3 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -277,31 +277,26 @@ static const char *alt_sha1_path(struct alternate_object_database *alt, return buf->buf; } -/* - * Return the name of the pack or index file with the specified sha1 - * in its filename. *base and *name are scratch space that must be - * provided by the caller. which should be "pack" or "idx". - */ -static char *sha1_get_pack_name(const unsigned char *sha1, - struct strbuf *buf, - const char *which) + char *odb_pack_name(struct strbuf *buf, + const unsigned char *sha1, + const char *ext) { strbuf_reset(buf); strbuf_addf(buf, "%s/pack/pack-%s.%s", get_object_directory(), - sha1_to_hex(sha1), which); + sha1_to_hex(sha1), ext); return buf->buf; } char *sha1_pack_name(const unsigned char *sha1) { static struct strbuf buf = STRBUF_INIT; - return sha1_get_pack_name(sha1, &buf, "pack"); + return odb_pack_name(&buf, sha1, "pack"); } char *sha1_pack_index_name(const unsigned char *sha1) { static struct strbuf buf = STRBUF_INIT; - return sha1_get_pack_name(sha1, &buf, "idx"); + return odb_pack_name(&buf, sha1, "idx"); } struct alternate_object_database *alt_odb_list; @@ -667,7 +662,7 @@ static int freshen_file(const char *fn) * either does not exist on disk, or has a stale mtime and may be subject to * pruning). */ -static int check_and_freshen_file(const char *fn, int freshen) +int check_and_freshen_file(const char *fn, int freshen) { if (access(fn, F_OK)) return 0; @@ -1611,7 +1606,7 @@ static void mark_bad_packed_object(struct packed_git *p, if (!hashcmp(sha1, p->bad_object_sha1 + GIT_SHA1_RAWSZ * i)) return; p->bad_object_sha1 = xrealloc(p->bad_object_sha1, - st_mult(GIT_SHA1_RAWSZ, + st_mult(GIT_MAX_RAWSZ, st_add(p->num_bad_objects, 1))); hashcpy(p->bad_object_sha1 + GIT_SHA1_RAWSZ * p->num_bad_objects, sha1); p->num_bad_objects++; @@ -2606,6 +2601,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, while (delta_stack_nr) { void *delta_data; void *base = data; + void *external_base = NULL; unsigned long delta_size, base_size = size; int i; @@ -2632,6 +2628,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, p->pack_name); mark_bad_packed_object(p, base_sha1); base = read_object(base_sha1, &type, &base_size); + external_base = base; } } @@ -2650,6 +2647,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, "at offset %"PRIuMAX" from %s", (uintmax_t)curpos, p->pack_name); data = NULL; + free(external_base); continue; } @@ -2669,6 +2667,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, error("failed to apply delta"); free(delta_data); + free(external_base); } *final_type = type; @@ -2702,6 +2701,17 @@ const unsigned char *nth_packed_object_sha1(struct packed_git *p, } } +const struct object_id *nth_packed_object_oid(struct object_id *oid, + struct packed_git *p, + uint32_t n) +{ + const unsigned char *hash = nth_packed_object_sha1(p, n); + if (!hash) + return NULL; + hashcpy(oid->hash, hash); + return oid; +} + void check_pack_index_ptr(const struct packed_git *p, const void *vptr) { const unsigned char *ptr = vptr; @@ -2942,7 +2952,7 @@ static int sha1_loose_object_info(const unsigned char *sha1, if (status && oi->typep) *oi->typep = status; strbuf_release(&hdrbuf); - return 0; + return (status < 0) ? status : 0; } int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi, unsigned flags) @@ -3471,6 +3481,8 @@ int has_sha1_file_with_flags(const unsigned char *sha1, int flags) { struct pack_entry e; + if (!startup_info->have_repository) + return 0; if (find_pack_entry(sha1, &e)) return 1; if (has_loose_object(sha1)) @@ -3748,15 +3760,15 @@ static int for_each_file_in_obj_subdir(int subdir_nr, strbuf_setlen(path, baselen); strbuf_addf(path, "/%s", de->d_name); - if (strlen(de->d_name) == 38) { - char hex[41]; - unsigned char sha1[20]; + if (strlen(de->d_name) == GIT_SHA1_HEXSZ - 2) { + char hex[GIT_MAX_HEXSZ+1]; + struct object_id oid; - snprintf(hex, sizeof(hex), "%02x%s", - subdir_nr, de->d_name); - if (!get_sha1_hex(hex, sha1)) { + xsnprintf(hex, sizeof(hex), "%02x%s", + subdir_nr, de->d_name); + if (!get_oid_hex(hex, &oid)) { if (obj_cb) { - r = obj_cb(sha1, path->buf, data); + r = obj_cb(&oid, path->buf, data); if (r) break; } @@ -3862,13 +3874,13 @@ static int for_each_object_in_pack(struct packed_git *p, each_packed_object_fn c int r = 0; for (i = 0; i < p->num_objects; i++) { - const unsigned char *sha1 = nth_packed_object_sha1(p, i); + struct object_id oid; - if (!sha1) + if (!nth_packed_object_oid(&oid, p, i)) return error("unable to get sha1 of object %u in %s", i, p->pack_name); - r = cb(sha1, p, i, data); + r = cb(&oid, p, i, data); if (r) break; } @@ -3903,7 +3915,7 @@ static int check_stream_sha1(git_zstream *stream, const unsigned char *expected_sha1) { git_SHA_CTX c; - unsigned char real_sha1[GIT_SHA1_RAWSZ]; + unsigned char real_sha1[GIT_MAX_RAWSZ]; unsigned char buf[4096]; unsigned long total_read; int status = Z_OK; @@ -3960,7 +3972,6 @@ int read_loose_object(const char *path, void **contents) { int ret = -1; - int fd = -1; void *map = NULL; unsigned long mapsize; git_zstream stream; @@ -4010,7 +4021,5 @@ int read_loose_object(const char *path, out: if (map) munmap(map, mapsize); - if (fd >= 0) - close(fd); return ret; } |