Convert both the argument and the return value to be pointers to struct object_id. Update the callers and their internals to deal with the new type. Remove several temporaries which are no longer needed. Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx> --- builtin/mktag.c | 7 ++----- cache.h | 8 ++++---- object.c | 14 ++++---------- replace_object.c | 14 +++++++------- sha1_file.c | 42 ++++++++++++++++++++---------------------- streaming.c | 16 +++++----------- 6 files changed, 42 insertions(+), 59 deletions(-) diff --git a/builtin/mktag.c b/builtin/mktag.c index cfb777b3c8..9f5a50a8fd 100644 --- a/builtin/mktag.c +++ b/builtin/mktag.c @@ -24,14 +24,11 @@ static int verify_object(const struct object_id *oid, const char *expected_type) enum object_type type; unsigned long size; void *buffer = read_object_file(oid, &type, &size); - const unsigned char *repl = lookup_replace_object(oid->hash); + const struct object_id *repl = lookup_replace_object(oid); if (buffer) { - struct object_id reploid; - hashcpy(reploid.hash, repl); - if (type == type_from_string(expected_type)) - ret = check_object_signature(&reploid, buffer, size, expected_type); + ret = check_object_signature(repl, buffer, size, expected_type); free(buffer); } return ret; diff --git a/cache.h b/cache.h index 3c9718cc8c..0491f0cbc4 100644 --- a/cache.h +++ b/cache.h @@ -1197,7 +1197,7 @@ static inline void *read_object_file(const struct object_id *oid, enum object_ty * This internal function is only declared here for the benefit of * lookup_replace_object(). Please do not call it directly. */ -extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1); +extern const struct object_id *do_lookup_replace_object(const struct object_id *oid); /* * If object sha1 should be replaced, return the replacement object's @@ -1205,11 +1205,11 @@ extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1); * either sha1 or a pointer to a permanently-allocated value. When * object replacement is suppressed, always return sha1. */ -static inline const unsigned char *lookup_replace_object(const unsigned char *sha1) +static inline const struct object_id *lookup_replace_object(const struct object_id *oid) { if (!check_replace_refs) - return sha1; - return do_lookup_replace_object(sha1); + return oid; + return do_lookup_replace_object(oid); } /* Read and unpack an object file into memory, write memory to an object file */ diff --git a/object.c b/object.c index 8e32f0d33b..2c909385a7 100644 --- a/object.c +++ b/object.c @@ -244,7 +244,7 @@ struct object *parse_object(const struct object_id *oid) unsigned long size; enum object_type type; int eaten; - const unsigned char *repl = lookup_replace_object(oid->hash); + const struct object_id *repl = lookup_replace_object(oid); void *buffer; struct object *obj; @@ -255,10 +255,7 @@ struct object *parse_object(const struct object_id *oid) if ((obj && obj->type == OBJ_BLOB && has_object_file(oid)) || (!obj && has_object_file(oid) && oid_object_info(oid, NULL) == OBJ_BLOB)) { - struct object_id reploid; - hashcpy(reploid.hash, repl); - - if (check_object_signature(&reploid, NULL, 0, NULL) < 0) { + if (check_object_signature(repl, NULL, 0, NULL) < 0) { error("sha1 mismatch %s", oid_to_hex(oid)); return NULL; } @@ -268,12 +265,9 @@ struct object *parse_object(const struct object_id *oid) buffer = read_object_file(oid, &type, &size); if (buffer) { - struct object_id reploid; - hashcpy(reploid.hash, repl); - - if (check_object_signature(&reploid, buffer, size, type_name(type)) < 0) { + if (check_object_signature(repl, buffer, size, type_name(type)) < 0) { free(buffer); - error("sha1 mismatch %s", sha1_to_hex(repl)); + error("sha1 mismatch %s", oid_to_hex(repl)); return NULL; } diff --git a/replace_object.c b/replace_object.c index 232e8b8550..336357394d 100644 --- a/replace_object.c +++ b/replace_object.c @@ -92,16 +92,16 @@ static void prepare_replace_object(void) #define MAXREPLACEDEPTH 5 /* - * If a replacement for object sha1 has been set up, return the + * If a replacement for object oid has been set up, return the * replacement object's name (replaced recursively, if necessary). - * The return value is either sha1 or a pointer to a + * The return value is either oid or a pointer to a * permanently-allocated value. This function always respects replace * references, regardless of the value of check_replace_refs. */ -const unsigned char *do_lookup_replace_object(const unsigned char *sha1) +const struct object_id *do_lookup_replace_object(const struct object_id *oid) { int pos, depth = MAXREPLACEDEPTH; - const unsigned char *cur = sha1; + const struct object_id *cur = oid; prepare_replace_object(); @@ -109,11 +109,11 @@ const unsigned char *do_lookup_replace_object(const unsigned char *sha1) do { if (--depth < 0) die("replace depth too high for object %s", - sha1_to_hex(sha1)); + oid_to_hex(oid)); - pos = replace_object_pos(cur); + pos = replace_object_pos(cur->hash); if (0 <= pos) - cur = replace_object[pos]->replacement.hash; + cur = &replace_object[pos]->replacement; } while (0 <= pos); return cur; diff --git a/sha1_file.c b/sha1_file.c index cdd49e5274..60418da10b 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -1227,22 +1227,20 @@ int oid_object_info_extended(const struct object_id *oid, struct object_info *oi static struct object_info blank_oi = OBJECT_INFO_INIT; struct pack_entry e; int rtype; - const unsigned char *real = (flags & OBJECT_INFO_LOOKUP_REPLACE) ? - lookup_replace_object(oid->hash) : - oid->hash; + const struct object_id *real = oid; int already_retried = 0; - struct object_id realoid; - hashcpy(realoid.hash, real); + if (flags & OBJECT_INFO_LOOKUP_REPLACE) + real = lookup_replace_object(oid); - if (is_null_sha1(real)) + if (is_null_oid(real)) return -1; if (!oi) oi = &blank_oi; if (!(flags & OBJECT_INFO_SKIP_CACHED)) { - struct cached_object *co = find_cached_object(real); + struct cached_object *co = find_cached_object(real->hash); if (co) { if (oi->typep) *(oi->typep) = co->type; @@ -1262,16 +1260,16 @@ int oid_object_info_extended(const struct object_id *oid, struct object_info *oi } while (1) { - if (find_pack_entry(real, &e)) + if (find_pack_entry(real->hash, &e)) break; /* Most likely it's a loose object. */ - if (!sha1_loose_object_info(real, oi, flags)) + if (!sha1_loose_object_info(real->hash, oi, flags)) return 0; /* Not a loose object; someone else may have just packed it. */ reprepare_packed_git(); - if (find_pack_entry(real, &e)) + if (find_pack_entry(real->hash, &e)) break; /* Check if it is a missing object */ @@ -1281,7 +1279,7 @@ int oid_object_info_extended(const struct object_id *oid, struct object_info *oi * TODO Investigate haveing fetch_object() return * TODO error/success and stopping the music here. */ - fetch_object(repository_format_partial_clone, real); + fetch_object(repository_format_partial_clone, real->hash); already_retried = 1; continue; } @@ -1297,8 +1295,8 @@ int oid_object_info_extended(const struct object_id *oid, struct object_info *oi return 0; rtype = packed_object_info(e.p, e.offset, oi); if (rtype < 0) { - mark_bad_packed_object(e.p, real); - return oid_object_info_extended(&realoid, oi, 0); + mark_bad_packed_object(e.p, real->hash); + return oid_object_info_extended(real, oi, 0); } else if (oi->whence == OI_PACKED) { oi->u.packed.offset = e.offset; oi->u.packed.pack = e.p; @@ -1372,11 +1370,11 @@ void *read_object_file_extended(const struct object_id *oid, const struct packed_git *p; const char *path; struct stat st; - const unsigned char *repl = lookup_replace ? lookup_replace_object(oid->hash) - : oid->hash; + const struct object_id *repl = lookup_replace ? lookup_replace_object(oid) + : oid; errno = 0; - data = read_object(repl, type, size); + data = read_object(repl->hash, type, size); if (data) return data; @@ -1384,17 +1382,17 @@ void *read_object_file_extended(const struct object_id *oid, die_errno("failed to read object %s", oid_to_hex(oid)); /* die if we replaced an object with one that does not exist */ - if (repl != oid->hash) + if (repl != oid) die("replacement %s not found for %s", - sha1_to_hex(repl), oid_to_hex(oid)); + oid_to_hex(repl), oid_to_hex(oid)); - if (!stat_sha1_file(repl, &st, &path)) + if (!stat_sha1_file(repl->hash, &st, &path)) die("loose object %s (stored in %s) is corrupt", - sha1_to_hex(repl), path); + oid_to_hex(repl), path); - if ((p = has_packed_and_bad(repl)) != NULL) + if ((p = has_packed_and_bad(repl->hash)) != NULL) die("packed object %s (stored in %s) is corrupt", - sha1_to_hex(repl), p->pack_name); + oid_to_hex(repl), p->pack_name); return NULL; } diff --git a/streaming.c b/streaming.c index 72a3ca8d08..46fabee3aa 100644 --- a/streaming.c +++ b/streaming.c @@ -105,19 +105,16 @@ ssize_t read_istream(struct git_istream *st, void *buf, size_t sz) return st->vtbl->read(st, buf, sz); } -static enum input_source istream_source(const unsigned char *sha1, +static enum input_source istream_source(const struct object_id *oid, enum object_type *type, struct object_info *oi) { unsigned long size; int status; - struct object_id oid; - - hashcpy(oid.hash, sha1); oi->typep = type; oi->sizep = &size; - status = oid_object_info_extended(&oid, oi, 0); + status = oid_object_info_extended(oid, oi, 0); if (status < 0) return stream_error; @@ -140,18 +137,15 @@ struct git_istream *open_istream(const struct object_id *oid, { struct git_istream *st; struct object_info oi = OBJECT_INFO_INIT; - const unsigned char *real = lookup_replace_object(oid->hash); + const struct object_id *real = lookup_replace_object(oid); enum input_source src = istream_source(real, type, &oi); - struct object_id realoid; - - hashcpy(realoid.hash, real); if (src < 0) return NULL; st = xmalloc(sizeof(*st)); - if (open_istream_tbl[src](st, &oi, &realoid, type)) { - if (open_istream_incore(st, &oi, &realoid, type)) { + if (open_istream_tbl[src](st, &oi, real, type)) { + if (open_istream_incore(st, &oi, real, type)) { free(st); return NULL; }