202717d18f
MSVC needs to use __inline instead of inline when compiling C code (the inline keyword is only avaliable in C++). Use the preprocessor to work around this. Change-Id: Ic9884a7421cee7dc7c943ab205312f50233fb100
129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/* This file is part of libmspack.
|
|
* (C) 2003-2004 Stuart Caie.
|
|
*
|
|
* libmspack is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU Lesser General Public License (LGPL) version 2.1
|
|
*
|
|
* For further details, see the file COPYING.LIB distributed with libmspack
|
|
*/
|
|
|
|
#ifndef MSPACK_SYSTEM_H
|
|
#define MSPACK_SYSTEM_H 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* ensure config.h is read before mspack.h */
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include "mspack.h"
|
|
|
|
/* fix for problem with GCC 4 and glibc (thanks to Ville Skytta)
|
|
* http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150429
|
|
*/
|
|
#ifdef read
|
|
# undef read
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
# include <stdio.h>
|
|
/* Old GCCs don't have __func__, but __FUNCTION__:
|
|
* http://gcc.gnu.org/onlinedocs/gcc/Function-Names.html
|
|
*/
|
|
# if __STDC_VERSION__ < 199901L
|
|
# if __GNUC__ >= 2
|
|
# define __func__ __FUNCTION__
|
|
# else
|
|
# define __func__ "<unknown>"
|
|
# endif
|
|
# endif
|
|
# define D(x) do { printf("%s:%d (%s) ",__FILE__, __LINE__, __func__); \
|
|
printf x ; fputc('\n', stdout); fflush(stdout);} while (0);
|
|
#else
|
|
# define D(x)
|
|
#endif
|
|
|
|
/* CAB supports searching through files over 4GB in size, and the CHM file
|
|
* format actively uses 64-bit offsets. These can only be fully supported
|
|
* if the system the code runs on supports large files. If not, the library
|
|
* will work as normal using only 32-bit arithmetic, but if an offset
|
|
* greater than 2GB is detected, an error message indicating the library
|
|
* can't support the file should be printed.
|
|
*/
|
|
#ifdef HAVE_LIMITS_H
|
|
# include <limits.h>
|
|
#endif
|
|
|
|
#if ((defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS >= 64) || \
|
|
(defined(FILESIZEBITS) && FILESIZEBITS >= 64) || \
|
|
(defined(SIZEOF_OFF_T) && SIZEOF_OFF_T >= 8) || \
|
|
defined(_LARGEFILE_SOURCE) || defined(_LARGEFILE64_SOURCE))
|
|
# define LARGEFILE_SUPPORT
|
|
# define LD "lld"
|
|
# define LU "llu"
|
|
#else
|
|
extern const char *largefile_msg;
|
|
# define LD "ld"
|
|
# define LU "lu"
|
|
#endif
|
|
|
|
/* endian-neutral reading of little-endian data */
|
|
#define __egi32(a,n) ( ((((unsigned char *) a)[n+3]) << 24) | \
|
|
((((unsigned char *) a)[n+2]) << 16) | \
|
|
((((unsigned char *) a)[n+1]) << 8) | \
|
|
((((unsigned char *) a)[n+0])))
|
|
#define EndGetI64(a) ((((unsigned long long int) __egi32(a,4)) << 32) | \
|
|
((unsigned int) __egi32(a,0)))
|
|
#define EndGetI32(a) __egi32(a,0)
|
|
#define EndGetI16(a) ((((a)[1])<<8)|((a)[0]))
|
|
|
|
/* endian-neutral reading of big-endian data */
|
|
#define EndGetM32(a) (((((unsigned char *) a)[0]) << 24) | \
|
|
((((unsigned char *) a)[1]) << 16) | \
|
|
((((unsigned char *) a)[2]) << 8) | \
|
|
((((unsigned char *) a)[3])))
|
|
#define EndGetM16(a) ((((a)[0])<<8)|((a)[1]))
|
|
|
|
extern struct mspack_system *mspack_default_system;
|
|
|
|
/* returns the length of a file opened for reading */
|
|
extern int mspack_sys_filelen(struct mspack_system *system,
|
|
struct mspack_file *file, off_t *length);
|
|
|
|
/* validates a system structure */
|
|
extern int mspack_valid_system(struct mspack_system *sys);
|
|
|
|
#if HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#if HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
|
|
#if HAVE_MEMCMP
|
|
# define mspack_memcmp memcmp
|
|
#else
|
|
/* inline memcmp() */
|
|
#ifdef _MSC_VER /* MSVC requires use of __inline instead of inline */
|
|
#define INLINE __inline
|
|
#else
|
|
#define INLINE inline
|
|
#endif
|
|
static INLINE int mspack_memcmp(const void *s1, const void *s2, size_t n) {
|
|
unsigned char *c1 = (unsigned char *) s1;
|
|
unsigned char *c2 = (unsigned char *) s2;
|
|
if (n == 0) return 0;
|
|
while (--n && (*c1 == *c2)) c1++, c2++;
|
|
return *c1 - *c2;
|
|
}
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|