mirror of
https://git.proxmox.com/git/libgit2
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93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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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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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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