mirror of
https://github.com/KevinMidboe/linguist.git
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75 lines
1.2 KiB
C
75 lines
1.2 KiB
C
/*
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* Copyright (C) 2009-2012 the libgit2 contributors
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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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#include "common.h"
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#include "hash.h"
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#if defined(PPC_SHA1)
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# include "ppc/sha1.h"
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#else
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# include "sha1.h"
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#endif
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struct git_hash_ctx {
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SHA_CTX c;
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};
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git_hash_ctx *git_hash_new_ctx(void)
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{
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git_hash_ctx *ctx = git__malloc(sizeof(*ctx));
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if (!ctx)
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return NULL;
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SHA1_Init(&ctx->c);
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return ctx;
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}
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void git_hash_free_ctx(git_hash_ctx *ctx)
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{
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git__free(ctx);
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}
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void git_hash_init(git_hash_ctx *ctx)
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{
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assert(ctx);
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SHA1_Init(&ctx->c);
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}
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void git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
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{
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assert(ctx);
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SHA1_Update(&ctx->c, data, len);
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}
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void git_hash_final(git_oid *out, git_hash_ctx *ctx)
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{
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assert(ctx);
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SHA1_Final(out->id, &ctx->c);
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}
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void git_hash_buf(git_oid *out, const void *data, size_t len)
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{
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SHA_CTX c;
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SHA1_Init(&c);
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SHA1_Update(&c, data, len);
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SHA1_Final(out->id, &c);
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}
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void git_hash_vec(git_oid *out, git_buf_vec *vec, size_t n)
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{
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SHA_CTX c;
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size_t i;
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SHA1_Init(&c);
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for (i = 0; i < n; i++)
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SHA1_Update(&c, vec[i].data, vec[i].len);
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SHA1_Final(out->id, &c);
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}
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