/* System dependent definitions for GNU tar. Copyright (C) 1994 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * [TS:Aug/95] * Based on code from system.h file in GNU's tar package * */ #ifndef SYSFUNCS_H #define SYSFUNCS_H #ifdef HAVE_CONFIG_H #include #endif /* Declare alloca. AIX requires this to be the first thing in the file. */ #ifdef __GNUC__ #define alloca __builtin_alloca #else #if HAVE_ALLOCA_H #include #else #ifdef _AIX #pragma alloca #else #ifndef alloca char *alloca (); #endif #endif #endif #endif #include /* ------------------------------------------------- */ /* [TS:Aug/95] * Some extra include files that mg needs */ #include #include #ifndef log2 # ifndef M_LN2 # define M_LN2 0.69314718055994530942 # endif # define log2(x) (log(x)/M_LN2) #endif #ifndef HAVE_SETBUFFER # define setbuffer(f, b, s) setvbuf(f, b, _IOFBF, s) #endif #ifdef __MSDOS__ # define SHORT_SUFFIX 1 #endif #include /* ------------------------------------------------- */ /* Declare a generic pointer type. */ #if __STDC__ || defined(__TURBOC__) #define voidstar void * #else #define voidstar char * #endif /* Declare ISASCII. */ #include #if STDC_HEADERS #define ISASCII(Char) 1 #else #ifdef isascii #define ISASCII(Char) isascii (Char) #else #if HAVE_ISASCII #define ISASCII(Char) isascii (Char) #else #define ISASCII(Char) 1 #endif #endif #endif /* ------------------------------------------------- */ /* [TS:Aug/95] * The following is copied from GNU Autoconf.Info (1.1) * It sets up the approriate string and memory functions. */ #if STDC_HEADERS || HAVE_STRING_H #include /* An ANSI string.h and pre-ANSI memory.h might conflict */ #if !STDC_HEADERS && HAVE_MEMORY_H #include #endif /* not STDC_HEADERS and HAVE_MEMORY_H */ #ifndef index #define index strchr #endif #ifndef rindex #define rindex strrchr #endif #ifndef bcopy #define bcopy(s, d, n) memcpy((d), (s), (n)) #endif #ifndef bcmp #define bcmp(s1, s2, n) memcmp((s1), (s2), (n)) #endif #ifndef bzero #define bzero(s, n) memset((s), 0, (n)) #endif #else /* not STDC_HEADERS and not HAVE_STRING_H */ #include /* memory.h and strings.h conflict on some systems */ #endif /* ------------------------------------------------- */ /* Declare errno. */ #include #ifndef errno extern int errno; #endif /* Declare open parameters. */ #ifdef HAVE_FCNTL_H #include #else #include #endif #ifndef O_BINARY #define O_BINARY 0 #endif #ifndef O_CREAT #define O_CREAT 0 #endif #ifndef O_NDELAY #define O_NDELAY 0 #endif #ifndef O_RDONLY #define O_RDONLY 0 #endif #ifndef O_RDWR #define O_RDWR 2 #endif /* Declare file status routines and bits. */ #include #ifdef STAT_MACROS_BROKEN #undef S_ISBLK #undef S_ISCHR #undef S_ISDIR #undef S_ISFIFO #undef S_ISLNK #undef S_ISMPB #undef S_ISMPC #undef S_ISNWK #undef S_ISREG #undef S_ISSOCK #endif /* On MSDOS, there are missing things from . */ #ifdef __MSDOS__ #define S_ISUID 0 #define S_ISGID 0 #define S_ISVTX 0 #endif #ifndef S_ISREG /* POSIX.1 stat stuff missing */ #define mode_t unsigned short #endif #if !defined(S_ISBLK) && defined(S_IFBLK) #define S_ISBLK(Mode) (((Mode) & S_IFMT) == S_IFBLK) #endif #if !defined(S_ISCHR) && defined(S_IFCHR) #define S_ISCHR(Mode) (((Mode) & S_IFMT) == S_IFCHR) #endif #if !defined(S_ISDIR) && defined(S_IFDIR) #define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR) #endif #if !defined(S_ISREG) && defined(S_IFREG) #define S_ISREG(Mode) (((Mode) & S_IFMT) == S_IFREG) #endif #if !defined(S_ISFIFO) && defined(S_IFIFO) #define S_ISFIFO(Mode) (((Mode) & S_IFMT) == S_IFIFO) #endif #if !defined(S_ISLNK) && defined(S_IFLNK) #define S_ISLNK(Mode) (((Mode) & S_IFMT) == S_IFLNK) #endif #if !defined(S_ISSOCK) && defined(S_IFSOCK) #define S_ISSOCK(Mode) (((Mode) & S_IFMT) == S_IFSOCK) #endif #if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */ #define S_ISMPB(Mode) (((Mode) & S_IFMT) == S_IFMPB) #define S_ISMPC(Mode) (((Mode) & S_IFMT) == S_IFMPC) #endif #if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */ #define S_ISNWK(Mode) (((Mode) & S_IFMT) == S_IFNWK) #endif #if !defined(S_ISCTG) && defined(S_IFCTG) /* contiguous file */ #define S_ISCTG(Mode) (((Mode) & S_IFMT) == S_IFCTG) #endif #if !defined(S_ISVTX) #define S_ISVTX 0001000 #endif #ifndef _POSIX_SOURCE #include #endif /* Include before any preprocessor test of _POSIX_VERSION. */ #ifdef HAVE_UNISTD_H #include #endif /* Declare standard functions. */ #ifdef STDC_HEADERS #include #else voidstar malloc (); voidstar realloc (); char *getenv (); #endif #include #ifndef _POSIX_VERSION #ifdef __MSDOS__ #include #else off_t lseek (); #endif #endif #include /* Until getoptold function is declared in getopt.h, we need this here for struct option. */ #include #ifdef WITH_DMALLOC #undef HAVE_VALLOC #define DMALLOC_FUNC_CHECK #include #endif /* Prototypes for external functions. */ #ifndef __P #if PROTOTYPES #define __P(Args) Args #else #define __P(Args) () #endif #endif #if HAVE_LOCALE_H #include #endif #if !HAVE_SETLOCALE #define setlocale(Category, Locale) #endif #if ENABLE_NLS #include #define _(Text) gettext (Text) #else #define textdomain(Domain) #define _(Text) Text #endif /* Library modules. */ #ifdef HAVE_VPRINTF void error __P ((int, int, const char *,...)); #else void error (); #endif #ifndef HAVE_STRSTR char *strstr __P ((const char *, const char *)); #endif /* [RB/TS:Oct/95] commented out. Used by lib/gmalloc.c - but it defines it anyway ??? *#ifndef HAVE_VALLOC *#define valloc(Size) malloc (Size) *#endif */ voidstar xmalloc __P ((size_t)); voidstar xrealloc __P ((voidstar, size_t)); char *xstrdup __P ((const char *)); /* [TS:Aug/95] * These were required by files which referred * to these as function pointers. * e.g. huffman.c - fread, mgfelics.c - fgetc */ #ifndef HAVE_FREAD_DECL extern size_t fread __P ((void *, size_t, size_t, FILE *)); #endif #ifndef HAVE_FGETC_DECL extern int fgetc __P ((FILE *)); #endif #endif /* SYSFUNCS_H */