#include "reftable-error.h"
#include "basics.h"
+static struct reftable_record_vtable *
+reftable_record_vtable(struct reftable_record *rec);
+static void *reftable_record_data(struct reftable_record *rec);
+
int get_var_int(uint64_t *dest, struct string_view *in)
{
int ptr = 0;
return 0;
}
-uint8_t *reftable_ref_record_val1(struct reftable_ref_record *rec)
+const unsigned char *reftable_ref_record_val1(const struct reftable_ref_record *rec)
{
switch (rec->value_type) {
case REFTABLE_REF_VAL1:
}
}
-uint8_t *reftable_ref_record_val2(struct reftable_ref_record *rec)
+const unsigned char *reftable_ref_record_val2(const struct reftable_ref_record *rec)
{
switch (rec->value_type) {
case REFTABLE_REF_VAL2:
case REFTABLE_REF_DELETION:
break;
case REFTABLE_REF_VAL1:
- ref->value.val1 = reftable_malloc(hash_size);
memcpy(ref->value.val1, src->value.val1, hash_size);
break;
case REFTABLE_REF_VAL2:
- ref->value.val2.value = reftable_malloc(hash_size);
memcpy(ref->value.val2.value, src->value.val2.value, hash_size);
- ref->value.val2.target_value = reftable_malloc(hash_size);
memcpy(ref->value.val2.target_value,
src->value.val2.target_value, hash_size);
break;
return 'a' + (c - 10);
}
-static void hex_format(char *dest, uint8_t *src, int hash_size)
+static void hex_format(char *dest, const unsigned char *src, int hash_size)
{
assert(hash_size > 0);
if (src) {
}
}
-void reftable_ref_record_print(struct reftable_ref_record *ref,
- uint32_t hash_id)
+static void reftable_ref_record_print_sz(const struct reftable_ref_record *ref,
+ int hash_size)
{
- char hex[2 * GIT_SHA256_RAWSZ + 1] = { 0 }; /* BUG */
+ char hex[GIT_MAX_HEXSZ + 1] = { 0 }; /* BUG */
printf("ref{%s(%" PRIu64 ") ", ref->refname, ref->update_index);
switch (ref->value_type) {
case REFTABLE_REF_SYMREF:
printf("=> %s", ref->value.symref);
break;
case REFTABLE_REF_VAL2:
- hex_format(hex, ref->value.val2.value, hash_size(hash_id));
+ hex_format(hex, ref->value.val2.value, hash_size);
printf("val 2 %s", hex);
hex_format(hex, ref->value.val2.target_value,
- hash_size(hash_id));
+ hash_size);
printf("(T %s)", hex);
break;
case REFTABLE_REF_VAL1:
- hex_format(hex, ref->value.val1, hash_size(hash_id));
+ hex_format(hex, ref->value.val1, hash_size);
printf("val 1 %s", hex);
break;
case REFTABLE_REF_DELETION:
printf("}\n");
}
+void reftable_ref_record_print(const struct reftable_ref_record *ref,
+ uint32_t hash_id) {
+ reftable_ref_record_print_sz(ref, hash_size(hash_id));
+}
+
static void reftable_ref_record_release_void(void *rec)
{
reftable_ref_record_release(rec);
reftable_free(ref->value.symref);
break;
case REFTABLE_REF_VAL2:
- reftable_free(ref->value.val2.target_value);
- reftable_free(ref->value.val2.value);
break;
case REFTABLE_REF_VAL1:
- reftable_free(ref->value.val1);
break;
case REFTABLE_REF_DELETION:
break;
return -1;
}
- r->value.val1 = reftable_malloc(hash_size);
memcpy(r->value.val1, in.buf, hash_size);
string_view_consume(&in, hash_size);
break;
return -1;
}
- r->value.val2.value = reftable_malloc(hash_size);
memcpy(r->value.val2.value, in.buf, hash_size);
string_view_consume(&in, hash_size);
- r->value.val2.target_value = reftable_malloc(hash_size);
memcpy(r->value.val2.target_value, in.buf, hash_size);
string_view_consume(&in, hash_size);
break;
(const struct reftable_ref_record *)p);
}
+
+static int reftable_ref_record_equal_void(const void *a,
+ const void *b, int hash_size)
+{
+ struct reftable_ref_record *ra = (struct reftable_ref_record *) a;
+ struct reftable_ref_record *rb = (struct reftable_ref_record *) b;
+ return reftable_ref_record_equal(ra, rb, hash_size);
+}
+
+static void reftable_ref_record_print_void(const void *rec,
+ int hash_size)
+{
+ reftable_ref_record_print_sz((struct reftable_ref_record *) rec, hash_size);
+}
+
static struct reftable_record_vtable reftable_ref_record_vtable = {
.key = &reftable_ref_record_key,
.type = BLOCK_TYPE_REF,
.decode = &reftable_ref_record_decode,
.release = &reftable_ref_record_release_void,
.is_deletion = &reftable_ref_record_is_deletion_void,
+ .equal = &reftable_ref_record_equal_void,
+ .print = &reftable_ref_record_print_void,
};
static void reftable_obj_record_key(const void *r, struct strbuf *dest)
memset(obj, 0, sizeof(struct reftable_obj_record));
}
+static void reftable_obj_record_print(const void *rec, int hash_size)
+{
+ const struct reftable_obj_record *obj = rec;
+ char hex[GIT_MAX_HEXSZ + 1] = { 0 };
+ struct strbuf offset_str = STRBUF_INIT;
+ int i;
+
+ for (i = 0; i < obj->offset_len; i++)
+ strbuf_addf(&offset_str, "%" PRIu64 " ", obj->offsets[i]);
+ hex_format(hex, obj->hash_prefix, obj->hash_prefix_len);
+ printf("prefix %s (len %d), offsets [%s]\n",
+ hex, obj->hash_prefix_len, offset_str.buf);
+ strbuf_release(&offset_str);
+}
+
static void reftable_obj_record_copy_from(void *rec, const void *src_rec,
int hash_size)
{
(const struct reftable_obj_record *)src_rec;
reftable_obj_record_release(obj);
- *obj = *src;
- obj->hash_prefix = reftable_malloc(obj->hash_prefix_len);
- memcpy(obj->hash_prefix, src->hash_prefix, obj->hash_prefix_len);
+ obj->hash_prefix = reftable_malloc(src->hash_prefix_len);
+ obj->hash_prefix_len = src->hash_prefix_len;
+ if (src->hash_prefix_len)
+ memcpy(obj->hash_prefix, src->hash_prefix, obj->hash_prefix_len);
- obj->offsets = reftable_malloc(obj->offset_len * sizeof(uint64_t));
- COPY_ARRAY(obj->offsets, src->offsets, obj->offset_len);
+ obj->offsets = reftable_malloc(src->offset_len * sizeof(uint64_t));
+ obj->offset_len = src->offset_len;
+ COPY_ARRAY(obj->offsets, src->offsets, src->offset_len);
}
static uint8_t reftable_obj_record_val_type(const void *rec)
return 0;
}
+static int reftable_obj_record_equal_void(const void *a, const void *b, int hash_size)
+{
+ struct reftable_obj_record *ra = (struct reftable_obj_record *) a;
+ struct reftable_obj_record *rb = (struct reftable_obj_record *) b;
+
+ if (ra->hash_prefix_len != rb->hash_prefix_len
+ || ra->offset_len != rb->offset_len)
+ return 0;
+
+ if (ra->hash_prefix_len &&
+ memcmp(ra->hash_prefix, rb->hash_prefix, ra->hash_prefix_len))
+ return 0;
+ if (ra->offset_len &&
+ memcmp(ra->offsets, rb->offsets, ra->offset_len * sizeof(uint64_t)))
+ return 0;
+
+ return 1;
+}
+
static struct reftable_record_vtable reftable_obj_record_vtable = {
.key = &reftable_obj_record_key,
.type = BLOCK_TYPE_OBJ,
.encode = &reftable_obj_record_encode,
.decode = &reftable_obj_record_decode,
.release = &reftable_obj_record_release,
- .is_deletion = not_a_deletion,
+ .is_deletion = ¬_a_deletion,
+ .equal = &reftable_obj_record_equal_void,
+ .print = &reftable_obj_record_print,
};
-void reftable_log_record_print(struct reftable_log_record *log,
- uint32_t hash_id)
+static void reftable_log_record_print_sz(struct reftable_log_record *log,
+ int hash_size)
{
- char hex[GIT_SHA256_RAWSZ + 1] = { 0 };
+ char hex[GIT_MAX_HEXSZ + 1] = { 0 };
switch (log->value_type) {
case REFTABLE_LOG_DELETION:
- printf("log{%s(%" PRIu64 ") delete", log->refname,
+ printf("log{%s(%" PRIu64 ") delete\n", log->refname,
log->update_index);
break;
case REFTABLE_LOG_UPDATE:
printf("log{%s(%" PRIu64 ") %s <%s> %" PRIu64 " %04d\n",
- log->refname, log->update_index, log->value.update.name,
- log->value.update.email, log->value.update.time,
+ log->refname, log->update_index,
+ log->value.update.name ? log->value.update.name : "",
+ log->value.update.email ? log->value.update.email : "",
+ log->value.update.time,
log->value.update.tz_offset);
- hex_format(hex, log->value.update.old_hash, hash_size(hash_id));
+ hex_format(hex, log->value.update.old_hash, hash_size);
printf("%s => ", hex);
- hex_format(hex, log->value.update.new_hash, hash_size(hash_id));
- printf("%s\n\n%s\n}\n", hex, log->value.update.message);
+ hex_format(hex, log->value.update.new_hash, hash_size);
+ printf("%s\n\n%s\n}\n", hex,
+ log->value.update.message ? log->value.update.message : "");
break;
}
}
+void reftable_log_record_print(struct reftable_log_record *log,
+ uint32_t hash_id)
+{
+ reftable_log_record_print_sz(log, hash_size(hash_id));
+}
+
static void reftable_log_record_key(const void *r, struct strbuf *dest)
{
const struct reftable_log_record *rec =
return !memcmp(a, b, sz);
}
-int reftable_log_record_equal(struct reftable_log_record *a,
- struct reftable_log_record *b, int hash_size)
+static int reftable_log_record_equal_void(const void *a,
+ const void *b, int hash_size)
+{
+ return reftable_log_record_equal((struct reftable_log_record *) a,
+ (struct reftable_log_record *) b,
+ hash_size);
+}
+
+int reftable_log_record_equal(const struct reftable_log_record *a,
+ const struct reftable_log_record *b, int hash_size)
{
if (!(null_streq(a->refname, b->refname) &&
a->update_index == b->update_index &&
(const struct reftable_log_record *)p);
}
+static void reftable_log_record_print_void(const void *rec, int hash_size)
+{
+ reftable_log_record_print_sz((struct reftable_log_record*)rec, hash_size);
+}
+
static struct reftable_record_vtable reftable_log_record_vtable = {
.key = &reftable_log_record_key,
.type = BLOCK_TYPE_LOG,
.decode = &reftable_log_record_decode,
.release = &reftable_log_record_release_void,
.is_deletion = &reftable_log_record_is_deletion_void,
+ .equal = &reftable_log_record_equal_void,
+ .print = &reftable_log_record_print_void,
};
-struct reftable_record reftable_new_record(uint8_t typ)
-{
- struct reftable_record rec = { NULL };
- switch (typ) {
- case BLOCK_TYPE_REF: {
- struct reftable_ref_record *r =
- reftable_calloc(sizeof(struct reftable_ref_record));
- reftable_record_from_ref(&rec, r);
- return rec;
- }
-
- case BLOCK_TYPE_OBJ: {
- struct reftable_obj_record *r =
- reftable_calloc(sizeof(struct reftable_obj_record));
- reftable_record_from_obj(&rec, r);
- return rec;
- }
- case BLOCK_TYPE_LOG: {
- struct reftable_log_record *r =
- reftable_calloc(sizeof(struct reftable_log_record));
- reftable_record_from_log(&rec, r);
- return rec;
- }
- case BLOCK_TYPE_INDEX: {
- struct reftable_index_record empty = { .last_key =
- STRBUF_INIT };
- struct reftable_index_record *r =
- reftable_calloc(sizeof(struct reftable_index_record));
- *r = empty;
- reftable_record_from_index(&rec, r);
- return rec;
- }
- }
- abort();
- return rec;
-}
-
-/* clear out the record, yielding the reftable_record data that was
- * encapsulated. */
-static void *reftable_record_yield(struct reftable_record *rec)
-{
- void *p = rec->data;
- rec->data = NULL;
- return p;
-}
-
-void reftable_record_destroy(struct reftable_record *rec)
-{
- reftable_record_release(rec);
- reftable_free(reftable_record_yield(rec));
-}
-
static void reftable_index_record_key(const void *r, struct strbuf *dest)
{
const struct reftable_index_record *rec = r;
return start.len - in.len;
}
+static int reftable_index_record_equal(const void *a, const void *b, int hash_size)
+{
+ struct reftable_index_record *ia = (struct reftable_index_record *) a;
+ struct reftable_index_record *ib = (struct reftable_index_record *) b;
+
+ return ia->offset == ib->offset && !strbuf_cmp(&ia->last_key, &ib->last_key);
+}
+
+static void reftable_index_record_print(const void *rec, int hash_size)
+{
+ const struct reftable_index_record *idx = rec;
+ /* TODO: escape null chars? */
+ printf("\"%s\" %" PRIu64 "\n", idx->last_key.buf, idx->offset);
+}
+
static struct reftable_record_vtable reftable_index_record_vtable = {
.key = &reftable_index_record_key,
.type = BLOCK_TYPE_INDEX,
.decode = &reftable_index_record_decode,
.release = &reftable_index_record_release,
.is_deletion = ¬_a_deletion,
+ .equal = &reftable_index_record_equal,
+ .print = &reftable_index_record_print,
};
void reftable_record_key(struct reftable_record *rec, struct strbuf *dest)
{
- rec->ops->key(rec->data, dest);
+ reftable_record_vtable(rec)->key(reftable_record_data(rec), dest);
}
uint8_t reftable_record_type(struct reftable_record *rec)
{
- return rec->ops->type;
+ return rec->type;
}
int reftable_record_encode(struct reftable_record *rec, struct string_view dest,
int hash_size)
{
- return rec->ops->encode(rec->data, dest, hash_size);
+ return reftable_record_vtable(rec)->encode(reftable_record_data(rec),
+ dest, hash_size);
}
void reftable_record_copy_from(struct reftable_record *rec,
struct reftable_record *src, int hash_size)
{
- assert(src->ops->type == rec->ops->type);
+ assert(src->type == rec->type);
- rec->ops->copy_from(rec->data, src->data, hash_size);
+ reftable_record_vtable(rec)->copy_from(reftable_record_data(rec),
+ reftable_record_data(src),
+ hash_size);
}
uint8_t reftable_record_val_type(struct reftable_record *rec)
{
- return rec->ops->val_type(rec->data);
+ return reftable_record_vtable(rec)->val_type(reftable_record_data(rec));
}
int reftable_record_decode(struct reftable_record *rec, struct strbuf key,
uint8_t extra, struct string_view src, int hash_size)
{
- return rec->ops->decode(rec->data, key, extra, src, hash_size);
+ return reftable_record_vtable(rec)->decode(reftable_record_data(rec),
+ key, extra, src, hash_size);
}
void reftable_record_release(struct reftable_record *rec)
{
- rec->ops->release(rec->data);
+ reftable_record_vtable(rec)->release(reftable_record_data(rec));
}
int reftable_record_is_deletion(struct reftable_record *rec)
{
- return rec->ops->is_deletion(rec->data);
+ return reftable_record_vtable(rec)->is_deletion(
+ reftable_record_data(rec));
}
-void reftable_record_from_ref(struct reftable_record *rec,
- struct reftable_ref_record *ref_rec)
+int reftable_record_equal(struct reftable_record *a, struct reftable_record *b, int hash_size)
{
- assert(!rec->ops);
- rec->data = ref_rec;
- rec->ops = &reftable_ref_record_vtable;
-}
-
-void reftable_record_from_obj(struct reftable_record *rec,
- struct reftable_obj_record *obj_rec)
-{
- assert(!rec->ops);
- rec->data = obj_rec;
- rec->ops = &reftable_obj_record_vtable;
-}
-
-void reftable_record_from_index(struct reftable_record *rec,
- struct reftable_index_record *index_rec)
-{
- assert(!rec->ops);
- rec->data = index_rec;
- rec->ops = &reftable_index_record_vtable;
-}
-
-void reftable_record_from_log(struct reftable_record *rec,
- struct reftable_log_record *log_rec)
-{
- assert(!rec->ops);
- rec->data = log_rec;
- rec->ops = &reftable_log_record_vtable;
-}
-
-struct reftable_ref_record *reftable_record_as_ref(struct reftable_record *rec)
-{
- assert(reftable_record_type(rec) == BLOCK_TYPE_REF);
- return rec->data;
-}
-
-struct reftable_log_record *reftable_record_as_log(struct reftable_record *rec)
-{
- assert(reftable_record_type(rec) == BLOCK_TYPE_LOG);
- return rec->data;
+ if (a->type != b->type)
+ return 0;
+ return reftable_record_vtable(a)->equal(
+ reftable_record_data(a), reftable_record_data(b), hash_size);
}
-static int hash_equal(uint8_t *a, uint8_t *b, int hash_size)
+static int hash_equal(const unsigned char *a, const unsigned char *b, int hash_size)
{
if (a && b)
return !memcmp(a, b, hash_size);
return a == b;
}
-int reftable_ref_record_equal(struct reftable_ref_record *a,
- struct reftable_ref_record *b, int hash_size)
+int reftable_ref_record_equal(const struct reftable_ref_record *a,
+ const struct reftable_ref_record *b, int hash_size)
{
assert(hash_size > 0);
- if (!(0 == strcmp(a->refname, b->refname) &&
- a->update_index == b->update_index &&
- a->value_type == b->value_type))
+ if (!null_streq(a->refname, b->refname))
+ return 0;
+
+ if (a->update_index != b->update_index ||
+ a->value_type != b->value_type)
return 0;
switch (a->value_type) {
s->buf += n;
s->len -= n;
}
+
+static void *reftable_record_data(struct reftable_record *rec)
+{
+ switch (rec->type) {
+ case BLOCK_TYPE_REF:
+ return &rec->u.ref;
+ case BLOCK_TYPE_LOG:
+ return &rec->u.log;
+ case BLOCK_TYPE_INDEX:
+ return &rec->u.idx;
+ case BLOCK_TYPE_OBJ:
+ return &rec->u.obj;
+ }
+ abort();
+}
+
+static struct reftable_record_vtable *
+reftable_record_vtable(struct reftable_record *rec)
+{
+ switch (rec->type) {
+ case BLOCK_TYPE_REF:
+ return &reftable_ref_record_vtable;
+ case BLOCK_TYPE_LOG:
+ return &reftable_log_record_vtable;
+ case BLOCK_TYPE_INDEX:
+ return &reftable_index_record_vtable;
+ case BLOCK_TYPE_OBJ:
+ return &reftable_obj_record_vtable;
+ }
+ abort();
+}
+
+struct reftable_record reftable_new_record(uint8_t typ)
+{
+ struct reftable_record clean = {
+ .type = typ,
+ };
+
+ /* the following is involved, but the naive solution (just return
+ * `clean` as is, except for BLOCK_TYPE_INDEX), returns a garbage
+ * clean.u.obj.offsets pointer on Windows VS CI. Go figure.
+ */
+ switch (typ) {
+ case BLOCK_TYPE_OBJ:
+ {
+ struct reftable_obj_record obj = { 0 };
+ clean.u.obj = obj;
+ break;
+ }
+ case BLOCK_TYPE_INDEX:
+ {
+ struct reftable_index_record idx = {
+ .last_key = STRBUF_INIT,
+ };
+ clean.u.idx = idx;
+ break;
+ }
+ case BLOCK_TYPE_REF:
+ {
+ struct reftable_ref_record ref = { 0 };
+ clean.u.ref = ref;
+ break;
+ }
+ case BLOCK_TYPE_LOG:
+ {
+ struct reftable_log_record log = { 0 };
+ clean.u.log = log;
+ break;
+ }
+ }
+ return clean;
+}
+
+void reftable_record_print(struct reftable_record *rec, int hash_size)
+{
+ printf("'%c': ", rec->type);
+ reftable_record_vtable(rec)->print(reftable_record_data(rec), hash_size);
+}
projects / thirdparty / git.git / blobdiff