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-rw-r--r--pack-objects.c29
1 files changed, 8 insertions, 21 deletions
diff --git a/pack-objects.c b/pack-objects.c
index feee5600b9..fc969e342a 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -51,32 +51,19 @@ static void *delta_against(void *buf, unsigned long size, struct object_entry *e
*/
static int encode_header(enum object_type type, unsigned long size, unsigned char *hdr)
{
- int n = 1, i;
+ int n = 1;
unsigned char c;
if (type < OBJ_COMMIT || type > OBJ_DELTA)
die("bad type %d", type);
- /*
- * Shift the size up by 7 bits at a time,
- * until you get bits in the "high four".
- * That will be our beginning. We'll have
- * four size bits in 28..31, then groups
- * of seven in 21..27, 14..20, 7..13 and
- * finally 0..6.
- */
- if (size) {
- n = 5;
- while (!(size & 0xfe000000)) {
- size <<= 7;
- n--;
- }
- }
- c = (type << 4) | (size >> 28);
- for (i = 1; i < n; i++) {
+ c = (type << 4) | (size & 15);
+ size >>= 4;
+ while (size) {
*hdr++ = c | 0x80;
- c = (size >> 21) & 0x7f;
- size <<= 7;
+ c = size & 0x7f;
+ size >>= 7;
+ n++;
}
*hdr = c;
return n;
@@ -148,7 +135,7 @@ static void write_pack_file(void)
else
f = sha1create("%s.%s", base_name, "pack");
hdr.hdr_signature = htonl(PACK_SIGNATURE);
- hdr.hdr_version = htonl(1);
+ hdr.hdr_version = htonl(PACK_VERSION);
hdr.hdr_entries = htonl(nr_objects);
sha1write(f, &hdr, sizeof(hdr));
offset = sizeof(hdr);