/* 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 DEBUG # include <stdio.h> # define D(x) do { printf("%s:%d (%s) ",__FILE__, __LINE__, __FUNCTION__); \ printf x ; fputc('\n', stdout); fflush(stdout);} while (0); #else # define D(x) cli_dbgmsg x ; #endif /* endian-neutral reading of little-endian data */ #define __egi32(a,n) ( (((a)[n+3]) << 24) | (((a)[n+2]) << 16) | \ (((a)[n+1]) << 8) | ((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) ((((a)[0])<<24)|(((a)[1])<<16)|(((a)[2])<<8)|((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); /* inline memcmp() */ #ifndef C_WINDOWS static inline int 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; } /* inline strlen() */ static inline size_t strlen(const char *s) { const char *e = s; while (*e) e++; return e - s; } #endif #endif