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Merge branch 'ad/sha1-update-chunked' into maint

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Apple's common crypto implementation of SHA1_Update() does not take
more than 4GB at a time, and we now have a compile-time workaround
for it.

* ad/sha1-update-chunked:
  sha1: allow limiting the size of the data passed to SHA1_Update()
  sha1: provide another level of indirection for the SHA-1 functions
This commit is contained in:
Junio C Hamano
2015-12-08 14:05:03 -08:00
parent e6ed5a438c 001fd7a90b
commit b5d2d8eef0
7 changed files with 69 additions and 13 deletions
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28
cache.h
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@ -11,11 +11,29 @@
#include "string-list.h"
#include SHA1_HEADER
#ifndef git_SHA_CTX
#define git_SHA_CTX SHA_CTX
#define git_SHA1_Init SHA1_Init
#define git_SHA1_Update SHA1_Update
#define git_SHA1_Final SHA1_Final
#ifndef platform_SHA_CTX
/*
* platform's underlying implementation of SHA-1; could be OpenSSL,
* blk_SHA, Apple CommonCrypto, etc... Note that including
* SHA1_HEADER may have already defined platform_SHA_CTX for our
* own implementations like block-sha1 and ppc-sha1, so we list
* the default for OpenSSL compatible SHA-1 implementations here.
*/
#define platform_SHA_CTX SHA_CTX
#define platform_SHA1_Init SHA1_Init
#define platform_SHA1_Update SHA1_Update
#define platform_SHA1_Final SHA1_Final
#endif
#define git_SHA_CTX platform_SHA_CTX
#define git_SHA1_Init platform_SHA1_Init
#define git_SHA1_Update platform_SHA1_Update
#define git_SHA1_Final platform_SHA1_Final
#ifdef SHA1_MAX_BLOCK_SIZE
#include "compat/sha1-chunked.h"
#undef git_SHA1_Update
#define git_SHA1_Update git_SHA1_Update_Chunked
#endif
#include <zlib.h>