fa5419167433c0bf67c95aea3bf10d248ca43657
galt
  Thu Apr 20 14:13:05 2017 -0700
Swapping out the Linus Torvalds version of sha1 from git with a free version not encumbered by license questions. It is smaller and even slightly faster. Maybe compilers have improved.

diff --git src/inc/gitSha1.h src/inc/gitSha1.h
deleted file mode 100644
index db8cecf..0000000
--- src/inc/gitSha1.h
+++ /dev/null
@@ -1,73 +0,0 @@
-#ifndef GIT_SHA1
-/*
- * sha1-git.h
- *
- * This code is based on the GIT SHA1 Implementation.
- *
- * Copyright (C) 2009 Linus Torvalds <torvalds@linux-foundation.org>
- * Copyright (C) 2009 Nicolas Pitre <nico@cam.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- *
- */
-
-/*
- * SHA1 routine optimized to do word accesses rather than byte accesses,
- * and to avoid unnecessary copies into the context array.
- *
- * This was initially based on the Mozilla SHA1 implementation, although
- * none of the original Mozilla code remains.
- */
-
-typedef struct {
-	unsigned long long size;
-	unsigned int h0,h1,h2,h3,h4;
-	unsigned int W[16];
-} blk_SHA_CTX;
-
-void blk_SHA1_Init(blk_SHA_CTX *ctx);
-void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
-void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);
-
-#define git_SHA_CTX	blk_SHA_CTX
-#define git_SHA1_Init	blk_SHA1_Init
-#define git_SHA1_Update	blk_SHA1_Update
-#define git_SHA1_Final	blk_SHA1_Final
-#define SHA_DIGEST_LENGTH 20
-
-/* ============== Added by UCSC Genome Browser ============= */
-
-char *sha1ToHex(unsigned char hash[20]);
-/* Convert binary representation of sha1 to hex string. Do a freeMem on result when done. */
-
-
-void sha1ForFile(char *fileName, unsigned char hash[20]);
-/* Make sha1 hash from file */
-
-char *sha1HexForFile(char *fileName);
-/* Return Sha1 as Hex string */
-
-void sha1ForBuf(char *buffer, size_t bufSize, unsigned char hash[20]);
-/* Return sha1 hash of buffer. */
-
-char *sha1HexForBuf(char *buf, size_t bufSize);
-/* Return Sha1 as Hex string */
-
-char *sha1HexForString(char *string);
-/* Return sha sum of zero-terminated string. */
-
-#define GIT_SHA1
-#endif