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pack: move unpack_object_header_buffer()

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Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan
2017-08-18 15:20:27 -07:00
committed by Junio C Hamano
parent 0abe14f6a5
commit 32b42e152f
4 changed files with 27 additions and 26 deletions
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25
sha1_file.c
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@ -915,31 +915,6 @@ void *map_sha1_file(const unsigned char *sha1, unsigned long *size)
return map_sha1_file_1(NULL, sha1, size);
}
unsigned long unpack_object_header_buffer(const unsigned char *buf,
unsigned long len, enum object_type *type, unsigned long *sizep)
{
unsigned shift;
unsigned long size, c;
unsigned long used = 0;
c = buf[used++];
*type = (c >> 4) & 7;
size = c & 15;
shift = 4;
while (c & 0x80) {
if (len <= used || bitsizeof(long) <= shift) {
error("bad object header");
size = used = 0;
break;
}
c = buf[used++];
size += (c & 0x7f) << shift;
shift += 7;
}
*sizep = size;
return used;
}
static int unpack_sha1_short_header(git_zstream *stream,
unsigned char *map, unsigned long mapsize,
void *buffer, unsigned long bufsiz)