/*	$NetBSD: sys.h,v 1.27 2016/05/09 21:46:56 christos Exp $	*/

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)sys.h	8.1 (Berkeley) 6/4/93
 */

/*
 * sys.h: Put all the stupid compiler and system dependencies here...
 */
#ifndef _h_sys
#define	_h_sys

#include <wchar.h>

#if defined(HAVE_SYS_TYPES_H) && defined(__sun)
#include <sys/types.h>
#endif

#if !defined(__attribute__) && (defined(__cplusplus) || !defined(__GNUC__)  || __GNUC__ == 2 && __GNUC_MINOR__ < 8)
# define __attribute__(A)
#endif

#ifndef _DIAGASSERT
# define _DIAGASSERT(x)
#endif

#ifndef __BEGIN_DECLS
# ifdef  __cplusplus
#  define __BEGIN_DECLS  extern "C" {
#  define __END_DECLS    }
# else
#  define __BEGIN_DECLS
#  define __END_DECLS
# endif
#endif

/* If your compiler does not support this, define it to be empty. */
#if __WINDOWS__
#define libedit_private
#else
#define libedit_private __attribute__((__visibility__("hidden")))
#endif

#ifndef __arraycount
# define __arraycount(a) (sizeof(a) / sizeof(*(a)))
#endif

#ifndef _PTR_T
# define _PTR_T
typedef void	*ptr_t;
#endif

#ifndef _IOCTL_T
# define _IOCTL_T
typedef void	*ioctl_t;
#endif

#include <stdio.h>

#ifndef HAVE_STRLCAT
//#define	strlcat libedit_strlcat
size_t	strlcat(char *dst, const char *src, size_t size);
#endif

#ifndef HAVE_STRLCPY
//#define	strlcpy libedit_strlcpy
size_t	strlcpy(char *dst, const char *src, size_t size);
#endif

#ifndef HAVE_GETLINE
//#define	getline libedit_getline
ssize_t	getline(char **line, size_t *len, FILE *fp);
#endif

#ifndef HAVE_HAVE_REALLOCARR
int reallocarr(void *ptr, size_t number, size_t size);
#endif

#ifndef HAVE_WCSDUP
wchar_t * wcsdup(const wchar_t *str);
#endif

#ifndef _DIAGASSERT
#define _DIAGASSERT(x)
#endif

#ifndef __RCSID
#define __RCSID(x)
#endif

#ifndef HAVE_U_INT32_T
typedef unsigned int	u_int32_t;
#endif

#ifndef HAVE_SIZE_MAX
#define SIZE_MAX	((size_t)-1)
#endif

#define	REGEX		/* Use POSIX.2 regular expression functions */
#undef	REGEXP		/* Use UNIX V8 regular expression functions */

#if defined(__sun)
extern int tgetent(char *, const char *);
extern int tgetflag(char *);
extern int tgetnum(char *);
extern int tputs(const char *, int, int (*)(int));
extern char* tgoto(const char*, int, int);
extern char* tgetstr(char*, char**);
#endif

#ifdef _MSC_VER
#include <windows.h>
#include <io.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

/* --- mkstemp ---------------------------------------------------------- */
/* Create a temporary file from a template like "/tmp/fileXXXXXX". */
static inline int mkstemp(char *template)
{
    char *p = strrchr(template, '/');
    if (!p)
        p = template;
    else
        p++;

    /* Replace XXXXXX with a unique name using _mktemp_s */
    if (_mktemp_s(p, strlen(p) + 1) != 0) {
        errno = EINVAL;
        return -1;
    }

    int fd = _open(template, _O_RDWR | _O_CREAT | _O_EXCL | _O_BINARY,
                   _S_IREAD | _S_IWRITE);
    if (fd == -1)
        errno = GetLastError();
    return fd;
}

/* --- fseeko / ftello -------------------------------------------------- */
/* Use 64-bit equivalents for large-file support */
#define fseeko(stream, offset, whence) _fseeki64((stream), (__int64)(offset), (whence))
#define ftello(stream)                 (off_t)_ftelli64(stream)

/* --- ftruncate -------------------------------------------------------- */
static inline int ftruncate(int fd, off_t length)
{
    if (_chsize_s(fd, (size_t)length) != 0)
        return -1;
    return 0;
}

#endif /* _MSC_VER */

#endif /* _h_sys */
