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/* Header for GNU gettext libiberty
Copyright (C) 1995-1997, 2000, 2001 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 _SYSTEM_H
#define _SYSTEM_H 1
#ifndef PARAMS
# if defined (__GNUC__) || __STDC__
# define PARAMS(args) args
# else
# define PARAMS(args) ()
# endif
#endif
#include <stdio.h>
#include <sys/types.h>
#if defined STDC_HEADERS
# include <stdlib.h>
#else
# ifdef HAVE_MALLOC_H
# include <malloc.h>
# endif
unsigned long strtoul ();
#endif
/* Wrapper functions with error checking for standard functions. */
extern char *xgetcwd PARAMS ((void));
extern void *xmalloc PARAMS ((size_t __n));
extern void *xrealloc PARAMS ((void *__p, size_t __n));
extern char *xstrdup PARAMS ((const char *__string));
extern char *stpcpy PARAMS ((char *__dst, const char *__src));
extern char *stpncpy PARAMS ((char *__dst, const char *__src, size_t __n));
extern size_t parse_printf_format PARAMS ((const char *__fmt, size_t __n,
int *__argtypes));
extern int asprintf PARAMS ((char **, const char *, ...));
extern int strcasecmp PARAMS ((const char *__s1, const char *__s2));
extern int strncasecmp PARAMS ((const char *__s1, const char *__s2,
size_t __n));
extern char *strstr PARAMS ((const char *__str, const char *__sub));
#include <string.h>
#if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.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
#ifdef __GNUC__
# ifndef alloca
# define alloca __builtin_alloca
# endif
#else
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
#pragma alloca
# else
# ifdef __hpux /* This section must match that of bison generated files. */
# ifdef __cplusplus
extern "C" void *alloca (unsigned int);
# else /* not __cplusplus */
void *alloca ();
# endif /* not __cplusplus */
# else /* not __hpux */
# ifndef alloca
char *alloca ();
# endif
# endif /* __hpux */
# endif
# endif
#endif
/* Before we define the following symbols we get the <limits.h> file
since otherwise we get redefinitions on some systems. */
#include <limits.h>
#ifndef MAX
# if __STDC__ && defined __GNUC__ && __GNUC__ >= 2
# define MAX(a,b) (__extension__ \
({__typeof__ (a) _a = (a); \
__typeof__ (b) _b = (b); \
_a > _b ? _a : _b; \
}))
# else
# define MAX(a,b) ((a) > (b) ? (a) : (b))
# endif
#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
/* Pathname support.
ISSLASH(C) tests whether C is a directory separator character.
IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not,
it may be concatenated to a directory pathname.
IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
*/
#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
/* Win32, OS/2, DOS */
# define ISSLASH(C) ((C) == '/' || (C) == '\\')
# define HAS_DEVICE(P) \
((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
&& (P)[1] == ':')
# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
# define IS_PATH_WITH_DIR(P) \
(strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
# define FILESYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0)
#else
/* Unix */
# define ISSLASH(C) ((C) == '/')
# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
# define FILESYSTEM_PREFIX_LEN(P) 0
#endif
/* Concatenate a directory pathname, a relative pathname and an optional
suffix. Return a freshly allocated pathname. */
extern char *concatenated_pathname PARAMS ((const char *directory,
const char *filename,
const char *suffix));
/* When not using the GNU libc we use the basename implementation we
provide here. */
#ifndef __GNU_LIBRARY__
extern char *gnu_basename PARAMS ((const char *));
# define basename(Arg) gnu_basename (Arg)
#endif
#include <fcntl.h>
/* For systems that distinguish between text and binary I/O.
O_BINARY is usually declared in <fcntl.h>. */
#if !defined O_BINARY && defined _O_BINARY
/* For MSC-compatible compilers. */
# define O_BINARY _O_BINARY
# define O_TEXT _O_TEXT
#endif
#ifdef __BEOS__
/* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */
# undef O_BINARY
# undef O_TEXT
#endif
#if O_BINARY
# if !(defined(__EMX__) || defined(__DJGPP__))
# define setmode _setmode
# define fileno _fileno
# endif
# ifdef __DJGPP__
# include <io.h> /* declares setmode() */
# include <unistd.h> /* declares isatty() */
# /* Avoid putting stdin/stdout in binary mode if it is connected to the
# console, because that would make it impossible for the user to
# interrupt the program through Ctrl-C or Ctrl-Break. */
# define SET_BINARY(fd) (!isatty(fd) ? (setmode(fd,O_BINARY), 0) : 0)
# else
# define SET_BINARY(fd) setmode(fd,O_BINARY)
# endif
#else
# define SET_BINARY(fd) /* nothing */
#endif
#endif
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