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sharutils-4.1-src.lha
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sharutils-4.1
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system.h
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1994-11-06
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/* Shared definitions for GNU shar utilities.
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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/* AIX requires this to be the first thing in the file. */
#if defined (_AIX) && !defined (__GNUC__)
#pragma alloca
#endif
#ifdef __GNUC__
# undef alloca
# define alloca(n) __builtin_alloca (n)
#else
# ifdef HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifndef _AIX
extern char *alloca ();
# endif
# endif
#endif
#if __STDC__
# define voidstar void *
#else
# define voidstar char *
#endif
#ifdef PROTOTYPES
# define _(Args) Args
#else
# define _(Args) ()
#endif
#ifdef STDC_HEADERS
# include <stdlib.h>
#else
char *getenv ();
#endif
/* Some systems do not define EXIT_*, even with STDC_HEADERS. */
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
#if STDC_HEADERS || HAVE_STRING_H
# include <string.h>
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
#else
# include <strings.h>
#endif
#if !HAVE_MEMCPY
# ifndef memcpy
# define memcpy(D, S, N) bcopy ((S), (D), (N))
# endif
#endif
#if !HAVE_STRCHR
# ifndef strchr
# define strchr index
# endif
#endif
/* Other header files. */
#include <stdio.h>
#include <errno.h>
#ifndef errno
extern int errno;
#endif
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
/* Get definitions for the file permission bits. */
#include <sys/stat.h>
#ifdef STAT_MACROS_BROKEN
# undef S_ISDIR
# undef S_ISREG
#endif
#ifndef S_IFMT
# define S_IFMT 0170000
#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
#ifndef S_IRWXU
# define S_IRWXU 0700
#endif
#ifndef S_IRUSR
# define S_IRUSR 0400
#endif
#ifndef S_IWUSR
# define S_IWUSR 0200
#endif
#ifndef S_IXUSR
# define S_IXUSR 0100
#endif
#ifndef S_IRWXG
# define S_IRWXG 0070
#endif
#ifndef S_IRGRP
# define S_IRGRP 0040
#endif
#ifndef S_IWGRP
# define S_IWGRP 0020
#endif
#ifndef S_IXGRP
# define S_IXGRP 0010
#endif
#ifndef S_IRWXO
# define S_IRWXO 0007
#endif
#ifndef S_IROTH
# define S_IROTH 0004
#endif
#ifndef S_IWOTH
# define S_IWOTH 0002
#endif
#ifndef S_IXOTH
# define S_IXOTH 0001
#endif
/* System functions. Even if we usually avoid declaring them, we cannot
avoid them all. */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
FILE *fdopen ();
long ftell ();
FILE *popen ();
/* GNU small library functions. */
#if HAVE_BASENAME
char *basename ();
#else
char *basename _((const char *));
#endif
void error _((int, int, const char *, ...));
char *xgetcwd _((void));
voidstar xmalloc _((size_t));
voidstar xrealloc _((voidstar, size_t));
char *xstrdup _((const char *));
/* Global functions of the shar package. */
void copy_file_encoded _((FILE *, FILE *));
char *get_submitter _((char *));
/* Debugging the memory allocator. */
#ifdef WITH_DMALLOC
# define MALLOC_FUNC_CHECK
# include <dmalloc.h>
#endif