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configure: if not macOS, use the openssl sha1 algorithm if available
Signed-off-by: Stefan Widgren <stefan.widgren@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* | ||
| * Copyright (C) the libgit2 contributors. All rights reserved. | ||
| * | ||
| * This file is part of libgit2, distributed under the GNU GPL v2 with | ||
| * a Linking Exception. For full terms see the included COPYING file. | ||
| */ | ||
|
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| #ifndef INCLUDE_hash_hash_openssl_h__ | ||
| #define INCLUDE_hash_hash_openssl_h__ | ||
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| #include "hash.h" | ||
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| #include <openssl/sha.h> | ||
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| struct git_hash_ctx { | ||
| SHA_CTX c; | ||
| }; | ||
|
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| #define git_hash_ctx_init(ctx) git_hash_init(ctx) | ||
| #define git_hash_ctx_cleanup(ctx) | ||
|
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| GIT_INLINE(int) git_hash_global_init(void) | ||
| { | ||
| return 0; | ||
| } | ||
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| GIT_INLINE(int) git_hash_init(git_hash_ctx *ctx) | ||
| { | ||
| assert(ctx); | ||
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| if (SHA1_Init(&ctx->c) != 1) { | ||
| git_error_set(GIT_ERROR_SHA1, "hash_openssl: failed to initialize hash context"); | ||
| return -1; | ||
| } | ||
|
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| return 0; | ||
| } | ||
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| GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *data, size_t len) | ||
| { | ||
| assert(ctx); | ||
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| if (SHA1_Update(&ctx->c, data, len) != 1) { | ||
| git_error_set(GIT_ERROR_SHA1, "hash_openssl: failed to update hash"); | ||
| return -1; | ||
| } | ||
|
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| return 0; | ||
| } | ||
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| GIT_INLINE(int) git_hash_final(git_oid *out, git_hash_ctx *ctx) | ||
| { | ||
| assert(ctx); | ||
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| if (SHA1_Final(out->id, &ctx->c) != 1) { | ||
| git_error_set(GIT_ERROR_SHA1, "hash_openssl: failed to finalize hash"); | ||
| return -1; | ||
| } | ||
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| return 0; | ||
| } | ||
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| #endif |