/*

 * nonposix.h --- definitions needed on non-POSIX systems.

 */

/*

 * Copyright (C) 2012, 2013, 2016 the Free Software Foundation, Inc.

 *

 * This file is part of GAWK, the GNU implementation of the

 * AWK Programming Language.

 *

 * GAWK 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 3 of the License, or

 * (at your option) any later version.

 *

 * GAWK 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

 */

/*

 * This is for fake directory file descriptors on systems that don't

 * allow to open() a directory.

 */

#define FAKE_FD_VALUE 42

#ifdef __MINGW32__

/* Replacements for sys/wait.h macros.  */

# define WEXITSTATUS(stv) (((unsigned)(stv)) & ~0xC0000000)

/* MS-Windows programs that crash due to a fatal exception exit with

   an exit code whose 2 MSB bits are set.  */

# define WIFEXITED(stv)   ((((unsigned)(stv)) & 0xC0000000) == 0)

# define WIFSIGNALED(stv) ((((unsigned)(stv)) & 0xC0000000) == 0xC0000000)

# define WTERMSIG(stv)    w32_status_to_termsig ((unsigned)stv)

# define WIFSTOPPED(stv)  (0)

# define WSTOPSIG(stv)    (0)

int w32_status_to_termsig (unsigned);

/* Prototypes of for Posix functions for which we define replacements

   in pc/ files.  */

/* getid.c */

unsigned int getuid (void);

unsigned int geteuid (void);

unsigned int getgid (void);

unsigned int getegid (void);

/* gawkmisc.pc */

int unsetenv (const char *);

int setenv (const char *, const char *, int);

void w32_maybe_set_errno (void);

char *w32_setlocale (int, const char *);

#define setlocale(c,v) w32_setlocale(c,v)

#endif	/* __MINGW32__ */

#if defined(VMS) || defined(__DJGPP__) || defined(__MINGW32__)

int getpgrp(void);

#endif

#if defined(__DJGPP__) || defined(__MINGW32__)

int getppid(void);

#endif

#ifdef __DJGPP__

/* Prototypes of for Posix functions for which we define replacements

   in pc/ files.  */

wint_t btowc (int c);

wint_t putwc (wchar_t wc, FILE *stream);

#endif

#ifdef __EMX__

char *os2_fixdllname(char *dst, const char *src, size_t n);

#ifdef __KLIBC__

#include <dlfcn.h>

#define dlopen(f, m) os2_dlopen(f, m)

void *os2_dlopen(const char *file, int mode);

#define dlsym(h, n) os2_dlsym(h, n)

void *os2_dlsym(void *handle, const char *name);

#endif /* __KLIBC__ */

#endif /* __EMX__ */