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sha1_file.c: introduce a null_oid constant

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null_oid is the struct object_id equivalent to null_sha1.

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 2015-12-06 22:16:35 +00:00 committed by Junio C Hamano
parent fcd30b1387
commit 3e56e7245c
2 changed files with 2 additions and 0 deletions
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1
cache.h
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@ -813,6 +813,7 @@ extern const char *find_unique_abbrev(const unsigned char *sha1, int len);
extern int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len);
extern const unsigned char null_sha1[GIT_SHA1_RAWSZ];
extern const struct object_id null_oid;
static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
{

1
sha1_file.c
View File

@ -36,6 +36,7 @@
static inline uintmax_t sz_fmt(size_t s) { return s; }
const unsigned char null_sha1[20];
const struct object_id null_oid;
/*
* This is meant to hold a *small* number of objects that you would