diff options
Diffstat (limited to 'builtin-pack-objects.c')
| -rw-r--r-- | builtin-pack-objects.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 777f27266..8691c9951 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -102,21 +102,24 @@ static uint32_t written, written_delta; static uint32_t reused, reused_delta; -static void *delta_against(void *buf, unsigned long size, struct object_entry *entry) +static void *get_delta(struct object_entry *entry) { - unsigned long othersize, delta_size; + unsigned long size, base_size, delta_size; + void *buf, *base_buf, *delta_buf; enum object_type type; - void *otherbuf = read_sha1_file(entry->delta->idx.sha1, &type, &othersize); - void *delta_buf; - if (!otherbuf) + buf = read_sha1_file(entry->idx.sha1, &type, &size); + if (!buf) + die("unable to read %s", sha1_to_hex(entry->idx.sha1)); + base_buf = read_sha1_file(entry->delta->idx.sha1, &type, &base_size); + if (!base_buf) die("unable to read %s", sha1_to_hex(entry->delta->idx.sha1)); - delta_buf = diff_delta(otherbuf, othersize, + delta_buf = diff_delta(base_buf, base_size, buf, size, &delta_size, 0); - if (!delta_buf || delta_size != entry->delta_size) + if (!delta_buf || delta_size != entry->delta_size) die("delta size changed"); - free(buf); - free(otherbuf); + free(buf); + free(base_buf); return delta_buf; } @@ -223,7 +226,6 @@ static unsigned long write_object(struct sha1file *f, off_t write_offset) { unsigned long size; - enum object_type type; void *buf; unsigned char header[10]; unsigned char dheader[10]; @@ -281,10 +283,7 @@ static unsigned long write_object(struct sha1file *f, obj_type = (allow_ofs_delta && entry->delta->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; } else { - buf = read_sha1_file(entry->idx.sha1, &type, &size); - if (!buf) - die("unable to read %s", sha1_to_hex(entry->idx.sha1)); - buf = delta_against(buf, size, entry); + buf = get_delta(entry); size = entry->delta_size; obj_type = (allow_ofs_delta && entry->delta->idx.offset) ? OBJ_OFS_DELTA : OBJ_REF_DELTA; |