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-rw-r--r--object-file.c130
1 files changed, 67 insertions, 63 deletions
diff --git a/object-file.c b/object-file.c
index 6ce1caacae..00c3a4b910 100644
--- a/object-file.c
+++ b/object-file.c
@@ -86,84 +86,90 @@ static const struct object_id null_oid_sha256 = {
.algo = GIT_HASH_SHA256,
};
-static void git_hash_sha1_init(git_hash_ctx *ctx)
+static void git_hash_sha1_init(struct git_hash_ctx *ctx)
{
- git_SHA1_Init(&ctx->sha1);
+ ctx->algop = &hash_algos[GIT_HASH_SHA1];
+ git_SHA1_Init(&ctx->state.sha1);
}
-static void git_hash_sha1_clone(git_hash_ctx *dst, const git_hash_ctx *src)
+static void git_hash_sha1_clone(struct git_hash_ctx *dst, const struct git_hash_ctx *src)
{
- git_SHA1_Clone(&dst->sha1, &src->sha1);
+ dst->algop = src->algop;
+ git_SHA1_Clone(&dst->state.sha1, &src->state.sha1);
}
-static void git_hash_sha1_update(git_hash_ctx *ctx, const void *data, size_t len)
+static void git_hash_sha1_update(struct git_hash_ctx *ctx, const void *data, size_t len)
{
- git_SHA1_Update(&ctx->sha1, data, len);
+ git_SHA1_Update(&ctx->state.sha1, data, len);
}
-static void git_hash_sha1_final(unsigned char *hash, git_hash_ctx *ctx)
+static void git_hash_sha1_final(unsigned char *hash, struct git_hash_ctx *ctx)
{
- git_SHA1_Final(hash, &ctx->sha1);
+ git_SHA1_Final(hash, &ctx->state.sha1);
}
-static void git_hash_sha1_final_oid(struct object_id *oid, git_hash_ctx *ctx)
+static void git_hash_sha1_final_oid(struct object_id *oid, struct git_hash_ctx *ctx)
{
- git_SHA1_Final(oid->hash, &ctx->sha1);
+ git_SHA1_Final(oid->hash, &ctx->state.sha1);
memset(oid->hash + GIT_SHA1_RAWSZ, 0, GIT_MAX_RAWSZ - GIT_SHA1_RAWSZ);
oid->algo = GIT_HASH_SHA1;
}
-static void git_hash_sha1_init_unsafe(git_hash_ctx *ctx)
+static void git_hash_sha1_init_unsafe(struct git_hash_ctx *ctx)
{
- git_SHA1_Init_unsafe(&ctx->sha1_unsafe);
+ ctx->algop = unsafe_hash_algo(&hash_algos[GIT_HASH_SHA1]);
+ git_SHA1_Init_unsafe(&ctx->state.sha1_unsafe);
}
-static void git_hash_sha1_clone_unsafe(git_hash_ctx *dst, const git_hash_ctx *src)
+static void git_hash_sha1_clone_unsafe(struct git_hash_ctx *dst, const struct git_hash_ctx *src)
{
- git_SHA1_Clone_unsafe(&dst->sha1_unsafe, &src->sha1_unsafe);
+ dst->algop = src->algop;
+ git_SHA1_Clone_unsafe(&dst->state.sha1_unsafe, &src->state.sha1_unsafe);
}
-static void git_hash_sha1_update_unsafe(git_hash_ctx *ctx, const void *data,
+static void git_hash_sha1_update_unsafe(struct git_hash_ctx *ctx, const void *data,
size_t len)
{
- git_SHA1_Update_unsafe(&ctx->sha1_unsafe, data, len);
+ git_SHA1_Update_unsafe(&ctx->state.sha1_unsafe, data, len);
}
-static void git_hash_sha1_final_unsafe(unsigned char *hash, git_hash_ctx *ctx)
+static void git_hash_sha1_final_unsafe(unsigned char *hash, struct git_hash_ctx *ctx)
{
- git_SHA1_Final_unsafe(hash, &ctx->sha1_unsafe);
+ git_SHA1_Final_unsafe(hash, &ctx->state.sha1_unsafe);
}
-static void git_hash_sha1_final_oid_unsafe(struct object_id *oid, git_hash_ctx *ctx)
+static void git_hash_sha1_final_oid_unsafe(struct object_id *oid, struct git_hash_ctx *ctx)
{
- git_SHA1_Final_unsafe(oid->hash, &ctx->sha1_unsafe);
+ git_SHA1_Final_unsafe(oid->hash, &ctx->state.sha1_unsafe);
memset(oid->hash + GIT_SHA1_RAWSZ, 0, GIT_MAX_RAWSZ - GIT_SHA1_RAWSZ);
oid->algo = GIT_HASH_SHA1;
}
-static void git_hash_sha256_init(git_hash_ctx *ctx)
+static void git_hash_sha256_init(struct git_hash_ctx *ctx)
{
- git_SHA256_Init(&ctx->sha256);
+ ctx->algop = unsafe_hash_algo(&hash_algos[GIT_HASH_SHA256]);
+ git_SHA256_Init(&ctx->state.sha256);
}
-static void git_hash_sha256_clone(git_hash_ctx *dst, const git_hash_ctx *src)
+static void git_hash_sha256_clone(struct git_hash_ctx *dst, const struct git_hash_ctx *src)
{
- git_SHA256_Clone(&dst->sha256, &src->sha256);
+ dst->algop = src->algop;
+ git_SHA256_Clone(&dst->state.sha256, &src->state.sha256);
}
-static void git_hash_sha256_update(git_hash_ctx *ctx, const void *data, size_t len)
+static void git_hash_sha256_update(struct git_hash_ctx *ctx, const void *data, size_t len)
{
- git_SHA256_Update(&ctx->sha256, data, len);
+ git_SHA256_Update(&ctx->state.sha256, data, len);
}
-static void git_hash_sha256_final(unsigned char *hash, git_hash_ctx *ctx)
+static void git_hash_sha256_final(unsigned char *hash, struct git_hash_ctx *ctx)
{
- git_SHA256_Final(hash, &ctx->sha256);
+ git_SHA256_Final(hash, &ctx->state.sha256);
}
-static void git_hash_sha256_final_oid(struct object_id *oid, git_hash_ctx *ctx)
+static void git_hash_sha256_final_oid(struct object_id *oid, struct git_hash_ctx *ctx)
{
- git_SHA256_Final(oid->hash, &ctx->sha256);
+ git_SHA256_Final(oid->hash, &ctx->state.sha256);
/*
* This currently does nothing, so the compiler should optimize it out,
* but keep it in case we extend the hash size again.
@@ -172,18 +178,18 @@ static void git_hash_sha256_final_oid(struct object_id *oid, git_hash_ctx *ctx)
oid->algo = GIT_HASH_SHA256;
}
-static void git_hash_unknown_init(git_hash_ctx *ctx UNUSED)
+static void git_hash_unknown_init(struct git_hash_ctx *ctx UNUSED)
{
BUG("trying to init unknown hash");
}
-static void git_hash_unknown_clone(git_hash_ctx *dst UNUSED,
- const git_hash_ctx *src UNUSED)
+static void git_hash_unknown_clone(struct git_hash_ctx *dst UNUSED,
+ const struct git_hash_ctx *src UNUSED)
{
BUG("trying to clone unknown hash");
}
-static void git_hash_unknown_update(git_hash_ctx *ctx UNUSED,
+static void git_hash_unknown_update(struct git_hash_ctx *ctx UNUSED,
const void *data UNUSED,
size_t len UNUSED)
{
@@ -191,13 +197,13 @@ static void git_hash_unknown_update(git_hash_ctx *ctx UNUSED,
}
static void git_hash_unknown_final(unsigned char *hash UNUSED,
- git_hash_ctx *ctx UNUSED)
+ struct git_hash_ctx *ctx UNUSED)
{
BUG("trying to finalize unknown hash");
}
static void git_hash_unknown_final_oid(struct object_id *oid UNUSED,
- git_hash_ctx *ctx UNUSED)
+ struct git_hash_ctx *ctx UNUSED)
{
BUG("trying to finalize unknown hash");
}
@@ -1180,7 +1186,7 @@ int stream_object_signature(struct repository *r, const struct object_id *oid)
unsigned long size;
enum object_type obj_type;
struct git_istream *st;
- git_hash_ctx c;
+ struct git_hash_ctx c;
char hdr[MAX_HEADER_LEN];
int hdrlen;
@@ -1193,7 +1199,7 @@ int stream_object_signature(struct repository *r, const struct object_id *oid)
/* Sha1.. */
r->hash_algo->init_fn(&c);
- r->hash_algo->update_fn(&c, hdr, hdrlen);
+ git_hash_update(&c, hdr, hdrlen);
for (;;) {
char buf[1024 * 16];
ssize_t readlen = read_istream(st, buf, sizeof(buf));
@@ -1204,9 +1210,9 @@ int stream_object_signature(struct repository *r, const struct object_id *oid)
}
if (!readlen)
break;
- r->hash_algo->update_fn(&c, buf, readlen);
+ git_hash_update(&c, buf, readlen);
}
- r->hash_algo->final_oid_fn(&real_oid, &c);
+ git_hash_final_oid(&real_oid, &c);
close_istream(st);
return !oideq(oid, &real_oid) ? -1 : 0;
}
@@ -1945,15 +1951,15 @@ void *read_object_with_reference(struct repository *r,
}
}
-static void hash_object_body(const struct git_hash_algo *algo, git_hash_ctx *c,
+static void hash_object_body(const struct git_hash_algo *algo, struct git_hash_ctx *c,
const void *buf, unsigned long len,
struct object_id *oid,
char *hdr, int *hdrlen)
{
algo->init_fn(c);
- algo->update_fn(c, hdr, *hdrlen);
- algo->update_fn(c, buf, len);
- algo->final_oid_fn(oid, c);
+ git_hash_update(c, hdr, *hdrlen);
+ git_hash_update(c, buf, len);
+ git_hash_final_oid(oid, c);
}
static void write_object_file_prepare(const struct git_hash_algo *algo,
@@ -1961,7 +1967,7 @@ static void write_object_file_prepare(const struct git_hash_algo *algo,
enum object_type type, struct object_id *oid,
char *hdr, int *hdrlen)
{
- git_hash_ctx c;
+ struct git_hash_ctx c;
/* Generate the header */
*hdrlen = format_object_header(hdr, *hdrlen, type, len);
@@ -1975,7 +1981,7 @@ static void write_object_file_prepare_literally(const struct git_hash_algo *algo
const char *type, struct object_id *oid,
char *hdr, int *hdrlen)
{
- git_hash_ctx c;
+ struct git_hash_ctx c;
*hdrlen = format_object_header_literally(hdr, *hdrlen, type, len);
hash_object_body(algo, &c, buf, len, oid, hdr, hdrlen);
@@ -2206,7 +2212,7 @@ static int start_loose_object_common(struct strbuf *tmp_file,
const char *filename, unsigned flags,
git_zstream *stream,
unsigned char *buf, size_t buflen,
- git_hash_ctx *c, git_hash_ctx *compat_c,
+ struct git_hash_ctx *c, struct git_hash_ctx *compat_c,
char *hdr, int hdrlen)
{
struct repository *repo = the_repository;
@@ -2240,9 +2246,9 @@ static int start_loose_object_common(struct strbuf *tmp_file,
stream->avail_in = hdrlen;
while (git_deflate(stream, 0) == Z_OK)
; /* nothing */
- algo->update_fn(c, hdr, hdrlen);
+ git_hash_update(c, hdr, hdrlen);
if (compat && compat_c)
- compat->update_fn(compat_c, hdr, hdrlen);
+ git_hash_update(compat_c, hdr, hdrlen);
return fd;
}
@@ -2251,21 +2257,20 @@ static int start_loose_object_common(struct strbuf *tmp_file,
* Common steps for the inner git_deflate() loop for writing loose
* objects. Returns what git_deflate() returns.
*/
-static int write_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c,
+static int write_loose_object_common(struct git_hash_ctx *c, struct git_hash_ctx *compat_c,
git_zstream *stream, const int flush,
unsigned char *in0, const int fd,
unsigned char *compressed,
const size_t compressed_len)
{
struct repository *repo = the_repository;
- const struct git_hash_algo *algo = repo->hash_algo;
const struct git_hash_algo *compat = repo->compat_hash_algo;
int ret;
ret = git_deflate(stream, flush ? Z_FINISH : 0);
- algo->update_fn(c, in0, stream->next_in - in0);
+ git_hash_update(c, in0, stream->next_in - in0);
if (compat && compat_c)
- compat->update_fn(compat_c, in0, stream->next_in - in0);
+ git_hash_update(compat_c, in0, stream->next_in - in0);
if (write_in_full(fd, compressed, stream->next_out - compressed) < 0)
die_errno(_("unable to write loose object file"));
stream->next_out = compressed;
@@ -2280,21 +2285,20 @@ static int write_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c,
* - End the compression of zlib stream.
* - Get the calculated oid to "oid".
*/
-static int end_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c,
+static int end_loose_object_common(struct git_hash_ctx *c, struct git_hash_ctx *compat_c,
git_zstream *stream, struct object_id *oid,
struct object_id *compat_oid)
{
struct repository *repo = the_repository;
- const struct git_hash_algo *algo = repo->hash_algo;
const struct git_hash_algo *compat = repo->compat_hash_algo;
int ret;
ret = git_deflate_end_gently(stream);
if (ret != Z_OK)
return ret;
- algo->final_oid_fn(oid, c);
+ git_hash_final_oid(oid, c);
if (compat && compat_c)
- compat->final_oid_fn(compat_oid, compat_c);
+ git_hash_final_oid(compat_oid, compat_c);
return Z_OK;
}
@@ -2306,7 +2310,7 @@ static int write_loose_object(const struct object_id *oid, char *hdr,
int fd, ret;
unsigned char compressed[4096];
git_zstream stream;
- git_hash_ctx c;
+ struct git_hash_ctx c;
struct object_id parano_oid;
static struct strbuf tmp_file = STRBUF_INIT;
static struct strbuf filename = STRBUF_INIT;
@@ -2386,7 +2390,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len,
int fd, ret, err = 0, flush = 0;
unsigned char compressed[4096];
git_zstream stream;
- git_hash_ctx c, compat_c;
+ struct git_hash_ctx c, compat_c;
struct strbuf tmp_file = STRBUF_INIT;
struct strbuf filename = STRBUF_INIT;
int dirlen;
@@ -3046,14 +3050,14 @@ static int check_stream_oid(git_zstream *stream,
const char *path,
const struct object_id *expected_oid)
{
- git_hash_ctx c;
+ struct git_hash_ctx c;
struct object_id real_oid;
unsigned char buf[4096];
unsigned long total_read;
int status = Z_OK;
the_hash_algo->init_fn(&c);
- the_hash_algo->update_fn(&c, hdr, stream->total_out);
+ git_hash_update(&c, hdr, stream->total_out);
/*
* We already read some bytes into hdr, but the ones up to the NUL
@@ -3073,7 +3077,7 @@ static int check_stream_oid(git_zstream *stream,
if (size - total_read < stream->avail_out)
stream->avail_out = size - total_read;
status = git_inflate(stream, Z_FINISH);
- the_hash_algo->update_fn(&c, buf, stream->next_out - buf);
+ git_hash_update(&c, buf, stream->next_out - buf);
total_read += stream->next_out - buf;
}
git_inflate_end(stream);
@@ -3088,7 +3092,7 @@ static int check_stream_oid(git_zstream *stream,
return -1;
}
- the_hash_algo->final_oid_fn(&real_oid, &c);
+ git_hash_final_oid(&real_oid, &c);
if (!oideq(expected_oid, &real_oid)) {
error(_("hash mismatch for %s (expected %s)"), path,
oid_to_hex(expected_oid));