EMPTY_BLOB_SHA1_BIN_LITERAL
};
-static void git_hash_sha1_init(void *ctx)
+static void git_hash_sha1_init(git_hash_ctx *ctx)
{
- git_SHA1_Init((git_SHA_CTX *)ctx);
+ git_SHA1_Init(&ctx->sha1);
}
-static void git_hash_sha1_update(void *ctx, const void *data, size_t len)
+static void git_hash_sha1_update(git_hash_ctx *ctx, const void *data, size_t len)
{
- git_SHA1_Update((git_SHA_CTX *)ctx, data, len);
+ git_SHA1_Update(&ctx->sha1, data, len);
}
-static void git_hash_sha1_final(unsigned char *hash, void *ctx)
+static void git_hash_sha1_final(unsigned char *hash, git_hash_ctx *ctx)
{
- git_SHA1_Final(hash, (git_SHA_CTX *)ctx);
+ git_SHA1_Final(hash, &ctx->sha1);
}
-static void git_hash_unknown_init(void *ctx)
+static void git_hash_unknown_init(git_hash_ctx *ctx)
{
die("trying to init unknown hash");
}
-static void git_hash_unknown_update(void *ctx, const void *data, size_t len)
+static void git_hash_unknown_update(git_hash_ctx *ctx, const void *data, size_t len)
{
die("trying to update unknown hash");
}
-static void git_hash_unknown_final(unsigned char *hash, void *ctx)
+static void git_hash_unknown_final(unsigned char *hash, git_hash_ctx *ctx)
{
die("trying to finalize unknown hash");
}
0x00000000,
0,
0,
- 0,
git_hash_unknown_init,
git_hash_unknown_update,
git_hash_unknown_final,
"sha-1",
/* "sha1", big-endian */
0x73686131,
- sizeof(git_SHA_CTX),
GIT_SHA1_RAWSZ,
GIT_SHA1_HEXSZ,
git_hash_sha1_init,
* With "map" == NULL, try reading the object named with "sha1" using
* the streaming interface and rehash it to do the same.
*/
-int check_sha1_signature(const unsigned char *sha1, void *map,
- unsigned long size, const char *type)
+int check_object_signature(const struct object_id *oid, void *map,
+ unsigned long size, const char *type)
{
- unsigned char real_sha1[20];
+ struct object_id real_oid;
enum object_type obj_type;
struct git_istream *st;
- git_SHA_CTX c;
+ git_hash_ctx c;
char hdr[32];
int hdrlen;
if (map) {
- hash_sha1_file(map, size, type, real_sha1);
- return hashcmp(sha1, real_sha1) ? -1 : 0;
+ hash_object_file(map, size, type, &real_oid);
+ return oidcmp(oid, &real_oid) ? -1 : 0;
}
- st = open_istream(sha1, &obj_type, &size, NULL);
+ st = open_istream(oid, &obj_type, &size, NULL);
if (!st)
return -1;
/* Generate the header */
- hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(obj_type), size) + 1;
+ hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", type_name(obj_type), size) + 1;
/* Sha1.. */
- git_SHA1_Init(&c);
- git_SHA1_Update(&c, hdr, hdrlen);
+ the_hash_algo->init_fn(&c);
+ the_hash_algo->update_fn(&c, hdr, hdrlen);
for (;;) {
char buf[1024 * 16];
ssize_t readlen = read_istream(st, buf, sizeof(buf));
}
if (!readlen)
break;
- git_SHA1_Update(&c, buf, readlen);
+ the_hash_algo->update_fn(&c, buf, readlen);
}
- git_SHA1_Final(real_sha1, &c);
+ the_hash_algo->final_fn(real_oid.hash, &c);
close_istream(st);
- return hashcmp(sha1, real_sha1) ? -1 : 0;
+ return oidcmp(oid, &real_oid) ? -1 : 0;
}
int git_open_cloexec(const char *name, int flags)
}
type = type_from_string_gently(type_buf, type_len, 1);
- if (oi->typename)
- strbuf_add(oi->typename, type_buf, type_len);
+ if (oi->type_name)
+ strbuf_add(oi->type_name, type_buf, type_len);
/*
* Set type to 0 if its an unknown object and
* we're obtaining the type using '--allow-unknown-type'
* return value implicitly indicates whether the
* object even exists.
*/
- if (!oi->typep && !oi->typename && !oi->sizep && !oi->contentp) {
+ if (!oi->typep && !oi->type_name && !oi->sizep && !oi->contentp) {
const char *path;
struct stat st;
if (stat_sha1_file(sha1, &st, &path) < 0)
*(oi->disk_sizep) = 0;
if (oi->delta_base_sha1)
hashclr(oi->delta_base_sha1);
- if (oi->typename)
- strbuf_addstr(oi->typename, typename(co->type));
+ if (oi->type_name)
+ strbuf_addstr(oi->type_name, type_name(co->type));
if (oi->contentp)
*oi->contentp = xmemdupz(co->buf, co->size);
oi->whence = OI_CACHED;
return content;
}
-int pretend_sha1_file(void *buf, unsigned long len, enum object_type type,
- unsigned char *sha1)
+int pretend_object_file(void *buf, unsigned long len, enum object_type type,
+ struct object_id *oid)
{
struct cached_object *co;
- hash_sha1_file(buf, len, typename(type), sha1);
- if (has_sha1_file(sha1) || find_cached_object(sha1))
+ hash_object_file(buf, len, type_name(type), oid);
+ if (has_sha1_file(oid->hash) || find_cached_object(oid->hash))
return 0;
ALLOC_GROW(cached_objects, cached_object_nr + 1, cached_object_alloc);
co = &cached_objects[cached_object_nr++];
co->type = type;
co->buf = xmalloc(len);
memcpy(co->buf, buf, len);
- hashcpy(co->sha1, sha1);
+ hashcpy(co->sha1, oid->hash);
return 0;
}
}
}
-static void write_sha1_file_prepare(const void *buf, unsigned long len,
- const char *type, unsigned char *sha1,
- char *hdr, int *hdrlen)
+static void write_object_file_prepare(const void *buf, unsigned long len,
+ const char *type, struct object_id *oid,
+ char *hdr, int *hdrlen)
{
- git_SHA_CTX c;
+ git_hash_ctx c;
/* Generate the header */
*hdrlen = xsnprintf(hdr, *hdrlen, "%s %lu", type, len)+1;
/* Sha1.. */
- git_SHA1_Init(&c);
- git_SHA1_Update(&c, hdr, *hdrlen);
- git_SHA1_Update(&c, buf, len);
- git_SHA1_Final(sha1, &c);
+ the_hash_algo->init_fn(&c);
+ the_hash_algo->update_fn(&c, hdr, *hdrlen);
+ the_hash_algo->update_fn(&c, buf, len);
+ the_hash_algo->final_fn(oid->hash, &c);
}
/*
return 0;
}
-int hash_sha1_file(const void *buf, unsigned long len, const char *type,
- unsigned char *sha1)
+int hash_object_file(const void *buf, unsigned long len, const char *type,
+ struct object_id *oid)
{
char hdr[32];
int hdrlen = sizeof(hdr);
- write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen);
+ write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
return 0;
}
return fd;
}
-static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
- const void *buf, unsigned long len, time_t mtime)
+static int write_loose_object(const struct object_id *oid, char *hdr,
+ int hdrlen, const void *buf, unsigned long len,
+ time_t mtime)
{
int fd, ret;
unsigned char compressed[4096];
git_zstream stream;
- git_SHA_CTX c;
- unsigned char parano_sha1[20];
+ git_hash_ctx c;
+ struct object_id parano_oid;
static struct strbuf tmp_file = STRBUF_INIT;
static struct strbuf filename = STRBUF_INIT;
strbuf_reset(&filename);
- sha1_file_name(&filename, sha1);
+ sha1_file_name(&filename, oid->hash);
fd = create_tmpfile(&tmp_file, filename.buf);
if (fd < 0) {
git_deflate_init(&stream, zlib_compression_level);
stream.next_out = compressed;
stream.avail_out = sizeof(compressed);
- git_SHA1_Init(&c);
+ the_hash_algo->init_fn(&c);
/* First header.. */
stream.next_in = (unsigned char *)hdr;
stream.avail_in = hdrlen;
while (git_deflate(&stream, 0) == Z_OK)
; /* nothing */
- git_SHA1_Update(&c, hdr, hdrlen);
+ the_hash_algo->update_fn(&c, hdr, hdrlen);
/* Then the data itself.. */
stream.next_in = (void *)buf;
do {
unsigned char *in0 = stream.next_in;
ret = git_deflate(&stream, Z_FINISH);
- git_SHA1_Update(&c, in0, stream.next_in - in0);
+ the_hash_algo->update_fn(&c, in0, stream.next_in - in0);
if (write_buffer(fd, compressed, stream.next_out - compressed) < 0)
die("unable to write sha1 file");
stream.next_out = compressed;
} while (ret == Z_OK);
if (ret != Z_STREAM_END)
- die("unable to deflate new object %s (%d)", sha1_to_hex(sha1), ret);
+ die("unable to deflate new object %s (%d)", oid_to_hex(oid),
+ ret);
ret = git_deflate_end_gently(&stream);
if (ret != Z_OK)
- die("deflateEnd on object %s failed (%d)", sha1_to_hex(sha1), ret);
- git_SHA1_Final(parano_sha1, &c);
- if (hashcmp(sha1, parano_sha1) != 0)
- die("confused by unstable object source data for %s", sha1_to_hex(sha1));
+ die("deflateEnd on object %s failed (%d)", oid_to_hex(oid),
+ ret);
+ the_hash_algo->final_fn(parano_oid.hash, &c);
+ if (oidcmp(oid, ¶no_oid) != 0)
+ die("confused by unstable object source data for %s",
+ oid_to_hex(oid));
close_sha1_file(fd);
return 1;
}
-int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1)
+int write_object_file(const void *buf, unsigned long len, const char *type,
+ struct object_id *oid)
{
char hdr[32];
int hdrlen = sizeof(hdr);
/* Normally if we have it in the pack then we do not bother writing
* it out into .git/objects/??/?{38} file.
*/
- write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen);
- if (freshen_packed_object(sha1) || freshen_loose_object(sha1))
+ write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
+ if (freshen_packed_object(oid->hash) || freshen_loose_object(oid->hash))
return 0;
- return write_loose_object(sha1, hdr, hdrlen, buf, len, 0);
+ return write_loose_object(oid, hdr, hdrlen, buf, len, 0);
}
-int hash_sha1_file_literally(const void *buf, unsigned long len, const char *type,
- struct object_id *oid, unsigned flags)
+int hash_object_file_literally(const void *buf, unsigned long len,
+ const char *type, struct object_id *oid,
+ unsigned flags)
{
char *header;
int hdrlen, status = 0;
/* type string, SP, %lu of the length plus NUL must fit this */
hdrlen = strlen(type) + 32;
header = xmalloc(hdrlen);
- write_sha1_file_prepare(buf, len, type, oid->hash, header, &hdrlen);
+ write_object_file_prepare(buf, len, type, oid, header, &hdrlen);
if (!(flags & HASH_WRITE_OBJECT))
goto cleanup;
if (freshen_packed_object(oid->hash) || freshen_loose_object(oid->hash))
goto cleanup;
- status = write_loose_object(oid->hash, header, hdrlen, buf, len, 0);
+ status = write_loose_object(oid, header, hdrlen, buf, len, 0);
cleanup:
free(header);
return status;
}
-int force_object_loose(const unsigned char *sha1, time_t mtime)
+int force_object_loose(const struct object_id *oid, time_t mtime)
{
void *buf;
unsigned long len;
int hdrlen;
int ret;
- if (has_loose_object(sha1))
+ if (has_loose_object(oid->hash))
return 0;
- buf = read_object(sha1, &type, &len);
+ buf = read_object(oid->hash, &type, &len);
if (!buf)
- return error("cannot read sha1_file for %s", sha1_to_hex(sha1));
- hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1;
- ret = write_loose_object(sha1, hdr, hdrlen, buf, len, mtime);
+ return error("cannot read sha1_file for %s", oid_to_hex(oid));
+ hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", type_name(type), len) + 1;
+ ret = write_loose_object(oid, hdr, hdrlen, buf, len, mtime);
free(buf);
return ret;
}
if (write_object)
- ret = write_sha1_file(buf, size, typename(type), oid->hash);
+ ret = write_object_file(buf, size, type_name(type), oid);
else
- ret = hash_sha1_file(buf, size, typename(type), oid->hash);
+ ret = hash_object_file(buf, size, type_name(type), oid);
if (re_allocated)
free(buf);
return ret;
get_conv_flags(flags));
if (write_object)
- ret = write_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
- oid->hash);
+ ret = write_object_file(sbuf.buf, sbuf.len, type_name(OBJ_BLOB),
+ oid);
else
- ret = hash_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
- oid->hash);
+ ret = hash_object_file(sbuf.buf, sbuf.len, type_name(OBJ_BLOB),
+ oid);
strbuf_release(&sbuf);
return ret;
}
enum object_type type, const char *path,
unsigned flags)
{
- return index_bulk_checkin(oid->hash, fd, size, type, path, flags);
+ return index_bulk_checkin(oid, fd, size, type, path, flags);
}
int index_fd(struct object_id *oid, int fd, struct stat *st,
if (strbuf_readlink(&sb, path, st->st_size))
return error_errno("readlink(\"%s\")", path);
if (!(flags & HASH_WRITE_OBJECT))
- hash_sha1_file(sb.buf, sb.len, blob_type, oid->hash);
- else if (write_sha1_file(sb.buf, sb.len, blob_type, oid->hash))
+ hash_object_file(sb.buf, sb.len, blob_type, oid);
+ else if (write_object_file(sb.buf, sb.len, blob_type, oid))
rc = error("%s: failed to insert into database", path);
strbuf_release(&sb);
break;
return 0;
}
-void assert_sha1_type(const unsigned char *sha1, enum object_type expect)
+void assert_oid_type(const struct object_id *oid, enum object_type expect)
{
- enum object_type type = sha1_object_info(sha1, NULL);
+ enum object_type type = sha1_object_info(oid->hash, NULL);
if (type < 0)
- die("%s is not a valid object", sha1_to_hex(sha1));
+ die("%s is not a valid object", oid_to_hex(oid));
if (type != expect)
- die("%s is not a valid '%s' object", sha1_to_hex(sha1),
- typename(expect));
+ die("%s is not a valid '%s' object", oid_to_hex(oid),
+ type_name(expect));
}
int for_each_file_in_obj_subdir(unsigned int subdir_nr,
const char *path,
const unsigned char *expected_sha1)
{
- git_SHA_CTX c;
+ git_hash_ctx c;
unsigned char real_sha1[GIT_MAX_RAWSZ];
unsigned char buf[4096];
unsigned long total_read;
int status = Z_OK;
- git_SHA1_Init(&c);
- git_SHA1_Update(&c, hdr, stream->total_out);
+ the_hash_algo->init_fn(&c);
+ the_hash_algo->update_fn(&c, hdr, stream->total_out);
/*
* We already read some bytes into hdr, but the ones up to the NUL
if (size - total_read < stream->avail_out)
stream->avail_out = size - total_read;
status = git_inflate(stream, Z_FINISH);
- git_SHA1_Update(&c, buf, stream->next_out - buf);
+ the_hash_algo->update_fn(&c, buf, stream->next_out - buf);
total_read += stream->next_out - buf;
}
git_inflate_end(stream);
return -1;
}
- git_SHA1_Final(real_sha1, &c);
+ the_hash_algo->final_fn(real_sha1, &c);
if (hashcmp(expected_sha1, real_sha1)) {
error("sha1 mismatch for %s (expected %s)", path,
sha1_to_hex(expected_sha1));
}
int read_loose_object(const char *path,
- const unsigned char *expected_sha1,
+ const struct object_id *expected_oid,
enum object_type *type,
unsigned long *size,
void **contents)
}
if (*type == OBJ_BLOB) {
- if (check_stream_sha1(&stream, hdr, *size, path, expected_sha1) < 0)
+ if (check_stream_sha1(&stream, hdr, *size, path, expected_oid->hash) < 0)
goto out;
} else {
- *contents = unpack_sha1_rest(&stream, hdr, *size, expected_sha1);
+ *contents = unpack_sha1_rest(&stream, hdr, *size, expected_oid->hash);
if (!*contents) {
error("unable to unpack contents of %s", path);
git_inflate_end(&stream);
goto out;
}
- if (check_sha1_signature(expected_sha1, *contents,
- *size, typename(*type))) {
+ if (check_object_signature(expected_oid, *contents,
+ *size, type_name(*type))) {
error("sha1 mismatch for %s (expected %s)", path,
- sha1_to_hex(expected_sha1));
+ oid_to_hex(expected_oid));
free(*contents);
goto out;
}