Show changes to 7 files +61 −151
refs/reftable-backend.c, reftable/merged_test.c, reftable/readwrite_test.c, reftable/record.c, reftable/record_test.c, reftable/reftable-record.h, reftable/stack_test.c
diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c
index f04be942ac..2de57c047a 100644
--- a/refs/reftable-backend.c
+++ b/refs/reftable-backend.c
@@ -171,23 +171,6 @@ static int should_write_log(struct ref_store *refs, const char *refname)
}
}
-static void clear_reftable_log_record(struct reftable_log_record *log)
-{
- switch (log->value_type) {
- case REFTABLE_LOG_UPDATE:
- /*
- * When we write log records, the hashes are owned by the
- * caller and thus shouldn't be free'd.
- */
- log->value.update.old_hash = NULL;
- log->value.update.new_hash = NULL;
- break;
- case REFTABLE_LOG_DELETION:
- break;
- }
- reftable_log_record_release(log);
-}
-
static void fill_reftable_log_record(struct reftable_log_record *log)
{
const char *info = git_committer_info(0);
@@ -1102,8 +1085,8 @@ static int write_transaction_table(struct reftable_writer *writer, void *cb_data
fill_reftable_log_record(log);
log->update_index = ts;
log->refname = xstrdup(u->refname);
- log->value.update.new_hash = u->new_oid.hash;
- log->value.update.old_hash = tx_update->current_oid.hash;
+ memcpy(log->value.update.new_hash, u->new_oid.hash, GIT_MAX_RAWSZ);
+ memcpy(log->value.update.old_hash, tx_update->current_oid.hash, GIT_MAX_RAWSZ);
log->value.update.message =
xstrndup(u->msg, arg->refs->write_options.block_size / 2);
}
@@ -1158,7 +1141,7 @@ static int write_transaction_table(struct reftable_writer *writer, void *cb_data
done:
assert(ret != REFTABLE_API_ERROR);
for (i = 0; i < logs_nr; i++)
- clear_reftable_log_record(&logs[i]);
+ reftable_log_record_release(&logs[i]);
free(logs);
return ret;
}
@@ -1275,13 +1258,13 @@ static int write_create_symref_table(struct reftable_writer *writer, void *cb_da
log.update_index = ts;
log.value.update.message = xstrndup(create->logmsg,
create->refs->write_options.block_size / 2);
- log.value.update.new_hash = new_oid.hash;
+ memcpy(log.value.update.new_hash, new_oid.hash, GIT_MAX_RAWSZ);
if (refs_resolve_ref_unsafe(&create->refs->base, create->refname,
RESOLVE_REF_READING, &old_oid, NULL))
- log.value.update.old_hash = old_oid.hash;
+ memcpy(log.value.update.old_hash, old_oid.hash, GIT_MAX_RAWSZ);
ret = reftable_writer_add_log(writer, &log);
- clear_reftable_log_record(&log);
+ reftable_log_record_release(&log);
return ret;
}
@@ -1420,7 +1403,7 @@ static int write_copy_table(struct reftable_writer *writer, void *cb_data)
logs[logs_nr].update_index = deletion_ts;
logs[logs_nr].value.update.message =
xstrndup(arg->logmsg, arg->refs->write_options.block_size / 2);
- logs[logs_nr].value.update.old_hash = old_ref.value.val1;
+ memcpy(logs[logs_nr].value.update.old_hash, old_ref.value.val1, GIT_MAX_RAWSZ);
logs_nr++;
ret = read_ref_without_reload(arg->stack, "HEAD", &head_oid, &head_referent, &head_type);
@@ -1452,7 +1435,7 @@ static int write_copy_table(struct reftable_writer *writer, void *cb_data)
logs[logs_nr].update_index = creation_ts;
logs[logs_nr].value.update.message =
xstrndup(arg->logmsg, arg->refs->write_options.block_size / 2);
- logs[logs_nr].value.update.new_hash = old_ref.value.val1;
+ memcpy(logs[logs_nr].value.update.new_hash, old_ref.value.val1, GIT_MAX_RAWSZ);
logs_nr++;
/*
@@ -1515,10 +1498,6 @@ static int write_copy_table(struct reftable_writer *writer, void *cb_data)
for (i = 0; i < logs_nr; i++) {
if (!strcmp(logs[i].refname, "HEAD"))
continue;
- if (logs[i].value.update.old_hash == old_ref.value.val1)
- logs[i].value.update.old_hash = NULL;
- if (logs[i].value.update.new_hash == old_ref.value.val1)
- logs[i].value.update.new_hash = NULL;
logs[i].refname = NULL;
reftable_log_record_release(&logs[i]);
}
@@ -2180,7 +2159,7 @@ static int reftable_be_reflog_expire(struct ref_store *ref_store,
dest->value_type = REFTABLE_LOG_DELETION;
} else {
if ((flags & EXPIRE_REFLOGS_REWRITE) && last_hash)
- dest->value.update.old_hash = last_hash;
+ memcpy(dest->value.update.old_hash, last_hash, GIT_MAX_RAWSZ);
last_hash = logs[i].value.update.new_hash;
}
}
diff --git a/reftable/merged_test.c b/reftable/merged_test.c
index d0f77a3b8f..530fc82d1c 100644
--- a/reftable/merged_test.c
+++ b/reftable/merged_test.c
@@ -289,16 +289,13 @@ merged_table_from_log_records(struct reftable_log_record **logs,
static void test_merged_logs(void)
{
- uint8_t hash1[GIT_SHA1_RAWSZ] = { 1 };
- uint8_t hash2[GIT_SHA1_RAWSZ] = { 2 };
- uint8_t hash3[GIT_SHA1_RAWSZ] = { 3 };
struct reftable_log_record r1[] = {
{
.refname = "a",
.update_index = 2,
.value_type = REFTABLE_LOG_UPDATE,
.value.update = {
- .old_hash = hash2,
+ .old_hash = { 2 },
/* deletion */
.name = "jane doe",
.email = "jane@invalid",
@@ -310,8 +307,8 @@ static void test_merged_logs(void)
.update_index = 1,
.value_type = REFTABLE_LOG_UPDATE,
.value.update = {
- .old_hash = hash1,
- .new_hash = hash2,
+ .old_hash = { 1 },
+ .new_hash = { 2 },
.name = "jane doe",
.email = "jane@invalid",
.message = "message1",
@@ -324,7 +321,7 @@ static void test_merged_logs(void)
.update_index = 3,
.value_type = REFTABLE_LOG_UPDATE,
.value.update = {
- .new_hash = hash3,
+ .new_hash = { 3 },
.name = "jane doe",
.email = "jane@invalid",
.message = "message3",
diff --git a/reftable/readwrite_test.c b/reftable/readwrite_test.c
index 363fe0f998..a6dbd214c5 100644
--- a/reftable/readwrite_test.c
+++ b/reftable/readwrite_test.c
@@ -77,18 +77,15 @@ static void write_table(char ***names, struct strbuf *buf, int N,
}
for (i = 0; i < N; i++) {
- uint8_t hash[GIT_SHA256_RAWSZ] = { 0 };
char name[100];
int n;
- set_test_hash(hash, i);
-
snprintf(name, sizeof(name), "refs/heads/branch%02d", i);
log.refname = name;
log.update_index = update_index;
log.value_type = REFTABLE_LOG_UPDATE;
- log.value.update.new_hash = hash;
+ set_test_hash(log.value.update.new_hash, i);
log.value.update.message = "message";
n = reftable_writer_add_log(w, &log);
@@ -137,13 +134,10 @@ static void test_log_buffer_size(void)
/* This tests buffer extension for log compression. Must use a random
hash, to ensure that the compressed part is larger than the original.
*/
- uint8_t hash1[GIT_SHA1_RAWSZ], hash2[GIT_SHA1_RAWSZ];
for (i = 0; i < GIT_SHA1_RAWSZ; i++) {
- hash1[i] = (uint8_t)(git_rand() % 256);
- hash2[i] = (uint8_t)(git_rand() % 256);
+ log.value.update.old_hash[i] = (uint8_t)(git_rand() % 256);
+ log.value.update.new_hash[i] = (uint8_t)(git_rand() % 256);
}
- log.value.update.old_hash = hash1;
- log.value.update.new_hash = hash2;
reftable_writer_set_limits(w, update_index, update_index);
err = reftable_writer_add_log(w, &log);
EXPECT_ERR(err);
@@ -161,25 +155,26 @@ static void test_log_overflow(void)
.block_size = ARRAY_SIZE(msg),
};
int err;
- struct reftable_log_record
- log = { .refname = "refs/heads/master",
- .update_index = 0xa,
- .value_type = REFTABLE_LOG_UPDATE,
- .value = { .update = {
- .name = "Han-Wen Nienhuys",
- .email = "hanwen@google.com",
- .tz_offset = 100,
- .time = 0x5e430672,
- .message = msg,
- } } };
+ struct reftable_log_record log = {
+ .refname = "refs/heads/master",
+ .update_index = 0xa,
+ .value_type = REFTABLE_LOG_UPDATE,
+ .value = {
+ .update = {
+ .old_hash = { 1 },
+ .new_hash = { 2 },
+ .name = "Han-Wen Nienhuys",
+ .email = "hanwen@google.com",
+ .tz_offset = 100,
+ .time = 0x5e430672,
+ .message = msg,
+ },
+ },
+ };
struct reftable_writer *w =
reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts);
- uint8_t hash1[GIT_SHA1_RAWSZ] = {1}, hash2[GIT_SHA1_RAWSZ] = { 2 };
-
memset(msg, 'x', sizeof(msg) - 1);
- log.value.update.old_hash = hash1;
- log.value.update.new_hash = hash2;
reftable_writer_set_limits(w, update_index, update_index);
err = reftable_writer_add_log(w, &log);
EXPECT(err == REFTABLE_ENTRY_TOO_BIG_ERROR);
@@ -219,16 +214,13 @@ static void test_log_write_read(void)
EXPECT_ERR(err);
}
for (i = 0; i < N; i++) {
- uint8_t hash1[GIT_SHA1_RAWSZ], hash2[GIT_SHA1_RAWSZ];
struct reftable_log_record log = { NULL };
- set_test_hash(hash1, i);
- set_test_hash(hash2, i + 1);
log.refname = names[i];
log.update_index = i;
log.value_type = REFTABLE_LOG_UPDATE;
- log.value.update.old_hash = hash1;
- log.value.update.new_hash = hash2;
+ set_test_hash(log.value.update.old_hash, i);
+ set_test_hash(log.value.update.new_hash, i + 1);
err = reftable_writer_add_log(w, &log);
EXPECT_ERR(err);
@@ -298,18 +290,15 @@ static void test_log_zlib_corruption(void)
struct reftable_writer *w =
reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts);
const struct reftable_stats *stats = NULL;
- uint8_t hash1[GIT_SHA1_RAWSZ] = { 1 };
- uint8_t hash2[GIT_SHA1_RAWSZ] = { 2 };
char message[100] = { 0 };
int err, i, n;
-
struct reftable_log_record log = {
.refname = "refname",
.value_type = REFTABLE_LOG_UPDATE,
.value = {
.update = {
- .new_hash = hash1,
- .old_hash = hash2,
+ .new_hash = { 1 },
+ .old_hash = { 2 },
.name = "My Name",
.email = "myname@invalid",
.message = message,
@@ -821,13 +810,12 @@ static void test_write_multiple_indices(void)
}
for (i = 0; i < 100; i++) {
- unsigned char hash[GIT_SHA1_RAWSZ] = {i};
struct reftable_log_record log = {
.update_index = 1,
.value_type = REFTABLE_LOG_UPDATE,
.value.update = {
- .old_hash = hash,
- .new_hash = hash,
+ .old_hash = { i },
+ .new_hash = { i },
},
};
diff --git a/reftable/record.c b/reftable/record.c
index 367de04600..8d2cd6b081 100644
--- a/reftable/record.c
+++ b/reftable/record.c
@@ -763,16 +763,10 @@ static void reftable_log_record_copy_from(void *rec, const void *src_rec,
xstrdup(dst->value.update.message);
}
- if (dst->value.update.new_hash) {
- REFTABLE_ALLOC_ARRAY(dst->value.update.new_hash, hash_size);
- memcpy(dst->value.update.new_hash,
- src->value.update.new_hash, hash_size);
- }
- if (dst->value.update.old_hash) {
- REFTABLE_ALLOC_ARRAY(dst->value.update.old_hash, hash_size);
- memcpy(dst->value.update.old_hash,
- src->value.update.old_hash, hash_size);
- }
+ memcpy(dst->value.update.new_hash,
+ src->value.update.new_hash, hash_size);
+ memcpy(dst->value.update.old_hash,
+ src->value.update.old_hash, hash_size);
break;
}
}
@@ -790,8 +784,6 @@ void reftable_log_record_release(struct reftable_log_record *r)
case REFTABLE_LOG_DELETION:
break;
case REFTABLE_LOG_UPDATE:
- reftable_free(r->value.update.new_hash);
- reftable_free(r->value.update.old_hash);
reftable_free(r->value.update.name);
reftable_free(r->value.update.email);
reftable_free(r->value.update.message);
@@ -808,33 +800,20 @@ static uint8_t reftable_log_record_val_type(const void *rec)
return reftable_log_record_is_deletion(log) ? 0 : 1;
}
-static uint8_t zero[GIT_SHA256_RAWSZ] = { 0 };
-
static int reftable_log_record_encode(const void *rec, struct string_view s,
int hash_size)
{
const struct reftable_log_record *r = rec;
struct string_view start = s;
int n = 0;
- uint8_t *oldh = NULL;
- uint8_t *newh = NULL;
if (reftable_log_record_is_deletion(r))
return 0;
- oldh = r->value.update.old_hash;
- newh = r->value.update.new_hash;
- if (!oldh) {
- oldh = zero;
- }
- if (!newh) {
- newh = zero;
- }
-
if (s.len < 2 * hash_size)
return -1;
- memcpy(s.buf, oldh, hash_size);
- memcpy(s.buf + hash_size, newh, hash_size);
+ memcpy(s.buf, r->value.update.old_hash, hash_size);
+ memcpy(s.buf + hash_size, r->value.update.new_hash, hash_size);
string_view_consume(&s, 2 * hash_size);
n = encode_string(r->value.update.name ? r->value.update.name : "", s);
@@ -891,8 +870,6 @@ static int reftable_log_record_decode(void *rec, struct strbuf key,
if (val_type != r->value_type) {
switch (r->value_type) {
case REFTABLE_LOG_UPDATE:
- FREE_AND_NULL(r->value.update.old_hash);
- FREE_AND_NULL(r->value.update.new_hash);
FREE_AND_NULL(r->value.update.message);
FREE_AND_NULL(r->value.update.email);
FREE_AND_NULL(r->value.update.name);
@@ -909,11 +886,6 @@ static int reftable_log_record_decode(void *rec, struct strbuf key,
if (in.len < 2 * hash_size)
return REFTABLE_FORMAT_ERROR;
- r->value.update.old_hash =
- reftable_realloc(r->value.update.old_hash, hash_size);
- r->value.update.new_hash =
- reftable_realloc(r->value.update.new_hash, hash_size);
-
memcpy(r->value.update.old_hash, in.buf, hash_size);
memcpy(r->value.update.new_hash, in.buf + hash_size, hash_size);
@@ -983,17 +955,6 @@ static int null_streq(char *a, char *b)
return 0 == strcmp(a, b);
}
-static int zero_hash_eq(uint8_t *a, uint8_t *b, int sz)
-{
- if (!a)
- a = zero;
-
- if (!b)
- b = zero;
-
- return !memcmp(a, b, sz);
-}
-
static int reftable_log_record_equal_void(const void *a,
const void *b, int hash_size)
{
@@ -1037,10 +998,10 @@ int reftable_log_record_equal(const struct reftable_log_record *a,
b->value.update.email) &&
null_streq(a->value.update.message,
b->value.update.message) &&
- zero_hash_eq(a->value.update.old_hash,
- b->value.update.old_hash, hash_size) &&
- zero_hash_eq(a->value.update.new_hash,
- b->value.update.new_hash, hash_size);
+ !memcmp(a->value.update.old_hash,
+ b->value.update.old_hash, hash_size) &&
+ !memcmp(a->value.update.new_hash,
+ b->value.update.new_hash, hash_size);
}
abort();
diff --git a/reftable/record_test.c b/reftable/record_test.c
index 89209894d8..57e56138c0 100644
--- a/reftable/record_test.c
+++ b/reftable/record_test.c
@@ -183,8 +183,6 @@ static void test_reftable_log_record_roundtrip(void)
.value_type = REFTABLE_LOG_UPDATE,
.value = {
.update = {
- .old_hash = reftable_malloc(GIT_SHA1_RAWSZ),
- .new_hash = reftable_malloc(GIT_SHA1_RAWSZ),
.name = xstrdup("han-wen"),
.email = xstrdup("hanwen@google.com"),
.message = xstrdup("test"),
@@ -202,13 +200,6 @@ static void test_reftable_log_record_roundtrip(void)
.refname = xstrdup("branch"),
.update_index = 33,
.value_type = REFTABLE_LOG_UPDATE,
- .value = {
- .update = {
- .old_hash = reftable_malloc(GIT_SHA1_RAWSZ),
- .new_hash = reftable_malloc(GIT_SHA1_RAWSZ),
- /* rest of fields left empty. */
- },
- },
}
};
set_test_hash(in[0].value.update.new_hash, 1);
@@ -231,8 +222,6 @@ static void test_reftable_log_record_roundtrip(void)
.value_type = REFTABLE_LOG_UPDATE,
.value = {
.update = {
- .new_hash = reftable_calloc(GIT_SHA1_RAWSZ, 1),
- .old_hash = reftable_calloc(GIT_SHA1_RAWSZ, 1),
.name = xstrdup("old name"),
.email = xstrdup("old@email"),
.message = xstrdup("old message"),
diff --git a/reftable/reftable-record.h b/reftable/reftable-record.h
index e657001d42..2659ea008c 100644
--- a/reftable/reftable-record.h
+++ b/reftable/reftable-record.h
@@ -88,8 +88,8 @@ struct reftable_log_record {
union {
struct {
- uint8_t *new_hash;
- uint8_t *old_hash;
+ unsigned char new_hash[GIT_MAX_RAWSZ];
+ unsigned char old_hash[GIT_MAX_RAWSZ];
char *name;
char *email;
uint64_t time;
diff --git a/reftable/stack_test.c b/reftable/stack_test.c
index 509f486623..7336757cf5 100644
--- a/reftable/stack_test.c
+++ b/reftable/stack_test.c
@@ -468,8 +468,6 @@ static void test_reftable_stack_add(void)
logs[i].refname = xstrdup(buf);
logs[i].update_index = N + i + 1;
logs[i].value_type = REFTABLE_LOG_UPDATE;
-
- logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ);
logs[i].value.update.email = xstrdup("identity@invalid");
set_test_hash(logs[i].value.update.new_hash, i);
}
@@ -547,16 +545,17 @@ static void test_reftable_stack_log_normalize(void)
};
struct reftable_stack *st = NULL;
char *dir = get_tmp_dir(__LINE__);
-
- uint8_t h1[GIT_SHA1_RAWSZ] = { 0x01 }, h2[GIT_SHA1_RAWSZ] = { 0x02 };
-
- struct reftable_log_record input = { .refname = "branch",
- .update_index = 1,
- .value_type = REFTABLE_LOG_UPDATE,
- .value = { .update = {
- .new_hash = h1,
- .old_hash = h2,
- } } };
+ struct reftable_log_record input = {
+ .refname = "branch",
+ .update_index = 1,
+ .value_type = REFTABLE_LOG_UPDATE,
+ .value = {
+ .update = {
+ .new_hash = { 1 },
+ .old_hash = { 2 },
+ },
+ },
+ };
struct reftable_log_record dest = {
.update_index = 0,
};
@@ -627,8 +626,6 @@ static void test_reftable_stack_tombstone(void)
logs[i].update_index = 42;
if (i % 2 == 0) {
logs[i].value_type = REFTABLE_LOG_UPDATE;
- logs[i].value.update.new_hash =
- reftable_malloc(GIT_SHA1_RAWSZ);
set_test_hash(logs[i].value.update.new_hash, i);
logs[i].value.update.email =
xstrdup("identity@invalid");
@@ -810,7 +807,6 @@ static void test_reflog_expire(void)
logs[i].update_index = i;
logs[i].value_type = REFTABLE_LOG_UPDATE;
logs[i].value.update.time = i;
- logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ);
logs[i].value.update.email = xstrdup("identity@invalid");
set_test_hash(logs[i].value.update.new_hash, i);
}
Patrick Steinhardt
