mirror of
https://git.proxmox.com/git/libgit2
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6c04269c8f
Query the object database for multiple objects at a time, given their object ID (which may be abbreviated) and optional type.
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#ifndef INCLUDE_oid_h__
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#define INCLUDE_oid_h__
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#include "git2/oid.h"
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/**
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* Format a git_oid into a newly allocated c-string.
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*
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* The c-string is owned by the caller and needs to be manually freed.
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*
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* @param id the oid structure to format
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* @return the c-string; NULL if memory is exhausted. Caller must
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* deallocate the string with git__free().
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*/
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char *git_oid_allocfmt(const git_oid *id);
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GIT_INLINE(int) git_oid__hashcmp(const unsigned char *sha1, const unsigned char *sha2)
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{
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int i;
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for (i = 0; i < GIT_OID_RAWSZ; i++, sha1++, sha2++) {
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if (*sha1 != *sha2)
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return *sha1 - *sha2;
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}
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return 0;
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}
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/*
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* Compare two oid structures.
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*
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* @param a first oid structure.
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* @param b second oid structure.
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* @return <0, 0, >0 if a < b, a == b, a > b.
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*/
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GIT_INLINE(int) git_oid__cmp(const git_oid *a, const git_oid *b)
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{
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return git_oid__hashcmp(a->id, b->id);
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}
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GIT_INLINE(void) git_oid__cpy_prefix(
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git_oid *out, const git_oid *id, size_t len)
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{
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memcpy(&out->id, id->id, (len + 1) / 2);
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if (len & 1)
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out->id[len / 2] &= 0xF0;
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}
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#endif
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