mirror of
https://github.com/moparisthebest/pacman
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61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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/* Declarations of functions and data types used for SHA1 sum
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library functions.
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Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#include <limits.h>
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#define rol(x,n) ( ((x) << (n)) | ((x) >> (32 -(n))) )
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/* The code below is from md5.h (from coreutils), little modifications */
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#define UINT_MAX_32_BITS 4294967295U
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#if UINT_MAX == UINT_MAX_32_BITS
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typedef unsigned int sha_uint32;
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#else
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#if USHRT_MAX == UINT_MAX_32_BITS
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typedef unsigned short sha_uint32;
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#else
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#if ULONG_MAX == UINT_MAX_32_BITS
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typedef unsigned long sha_uint32;
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#else
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/* The following line is intended to evoke an error. Using #error is not portable enough. */
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#error "Cannot determine unsigned 32-bit data type"
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#endif
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#endif
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#endif
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/* We have to make a guess about the integer type equivalent in size
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to pointers which should always be correct. */
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typedef unsigned long int sha_uintptr;
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/* Structure to save state of computation between the single steps. */
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struct sha_ctx
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{
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sha_uint32 A;
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sha_uint32 B;
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sha_uint32 C;
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sha_uint32 D;
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sha_uint32 E;
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sha_uint32 total[2];
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sha_uint32 buflen;
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char buffer[128];
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};
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/* Needed for pacman */
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char *_alpm_SHAFile (char *);
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