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streaming: convert istream internals to struct object_id

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Convert the various open_istream variants to take a pointer to struct
object_id.  Introduce a temporary, which will be removed later, to work
around the fact that lookup_replace_object still returns a pointer to
unsigned char.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2018-03-12 02:27:50 +00:00 committed by Junio C Hamano
parent 0d4a8b5b6c
commit 575042a04f
1 changed files with 9 additions and 6 deletions
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15
streaming.c
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@ -14,7 +14,7 @@ enum input_source {
typedef int (*open_istream_fn)(struct git_istream *,
struct object_info *,
const unsigned char *,
const struct object_id *,
enum object_type *);
typedef int (*close_istream_fn)(struct git_istream *);
typedef ssize_t (*read_istream_fn)(struct git_istream *, char *, size_t);
@ -27,7 +27,7 @@ struct stream_vtbl {
#define open_method_decl(name) \
int open_istream_ ##name \
(struct git_istream *st, struct object_info *oi, \
const unsigned char *sha1, \
const struct object_id *oid, \
enum object_type *type)
#define close_method_decl(name) \
@ -142,13 +142,16 @@ struct git_istream *open_istream(const struct object_id *oid,
struct object_info oi = OBJECT_INFO_INIT;
const unsigned char *real = lookup_replace_object(oid->hash);
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, real, type)) {
if (open_istream_incore(st, &oi, real, type)) {
if (open_istream_tbl[src](st, &oi, &realoid, type)) {
if (open_istream_incore(st, &oi, &realoid, type)) {
free(st);
return NULL;
}
@ -338,7 +341,7 @@ static struct stream_vtbl loose_vtbl = {
static open_method_decl(loose)
{
st->u.loose.mapped = map_sha1_file(sha1, &st->u.loose.mapsize);
st->u.loose.mapped = map_sha1_file(oid->hash, &st->u.loose.mapsize);
if (!st->u.loose.mapped)
return -1;
if ((unpack_sha1_header(&st->z,
@ -489,7 +492,7 @@ static struct stream_vtbl incore_vtbl = {
static open_method_decl(incore)
{
st->u.incore.buf = read_sha1_file_extended(sha1, type, &st->size, 0);
st->u.incore.buf = read_sha1_file_extended(oid->hash, type, &st->size, 0);
st->u.incore.read_ptr = 0;
st->vtbl = &incore_vtbl;