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/*
* Copyright (C) 2009-2011 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#include "hash.h"
#if defined(PPC_SHA1)
# include "ppc/sha1.h"
#else
# include "sha1.h"
#endif
struct git_hash_ctx {
SHA_CTX c;
};
git_hash_ctx *git_hash_new_ctx(void)
{
git_hash_ctx *ctx = git__malloc(sizeof(*ctx));
if (!ctx)
return NULL;
SHA1_Init(&ctx->c);
return ctx;
}
void git_hash_free_ctx(git_hash_ctx *ctx)
{
git__free(ctx);
}
void git_hash_init(git_hash_ctx *ctx)
{
assert(ctx);
SHA1_Init(&ctx->c);
}
void git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
{
assert(ctx);
SHA1_Update(&ctx->c, data, len);
}
void git_hash_final(git_oid *out, git_hash_ctx *ctx)
{
assert(ctx);
SHA1_Final(out->id, &ctx->c);
}
void git_hash_buf(git_oid *out, const void *data, size_t len)
{
SHA_CTX c;
SHA1_Init(&c);
SHA1_Update(&c, data, len);
SHA1_Final(out->id, &c);
}
void git_hash_vec(git_oid *out, git_buf_vec *vec, size_t n)
{
SHA_CTX c;
size_t i;
SHA1_Init(&c);
for (i = 0; i < n; i++)
SHA1_Update(&c, vec[i].data, vec[i].len);
SHA1_Final(out->id, &c);
}
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