1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/* Declarations of functions and data types used for SHA1 sum
library functions.
Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _ALPM_SHA1_H
#define _ALPM_SHA1_H
#include <stdio.h>
#include <limits.h>
#define rol(x,n) ( ((x) << (n)) | ((x) >> (32 -(n))) )
/* TODO check this comment */
/* The code below is from md5.h (from coreutils), little modifications */
#define UINT_MAX_32_BITS 4294967295U
/* This new ifdef allows splint to not fail on its static code check */
#ifdef S_SPLINT_S
typedef unsigned int sha_uint32;
#else
#if UINT_MAX == UINT_MAX_32_BITS
typedef unsigned int sha_uint32;
#else
#if USHRT_MAX == UINT_MAX_32_BITS
typedef unsigned short sha_uint32;
#else
#if ULONG_MAX == UINT_MAX_32_BITS
typedef unsigned long sha_uint32;
#else
/* The following line is intended to evoke an error. Using #error is not portable enough. */
#error "Cannot determine unsigned 32-bit data type"
#endif /* ULONG_MAX */
#endif /* USHRT_MAX */
#endif /* UINT_MAX */
#endif /* S_SPLINT_S */
/* We have to make a guess about the integer type equivalent in size
to pointers which should always be correct. */
typedef unsigned long int sha_uintptr;
/* Structure to save state of computation between the single steps. */
struct sha_ctx
{
sha_uint32 A;
sha_uint32 B;
sha_uint32 C;
sha_uint32 D;
sha_uint32 E;
sha_uint32 total[2];
sha_uint32 buflen;
char buffer[128];
};
/* Needed for pacman */
char *_alpm_SHAFile (char *);
#endif /* _ALPM_SHA1_H */
/* vim: set ts=2 sw=2 noet: */
|
