#pragma once

#include "defaults.h"

#include <cstdarg>

#include <csignal>

#if defined(_unix_)
#include <unistd.h>
#endif

#if defined(_win_)
#include <process.h>
#endif

extern "C" {
#if defined(_win_)
using pid_t = int;

inline unsigned int alarm(unsigned int /*seconds*/) {
    return 0; // no alarm is currently set :)
}

#define SIGQUIT SIGBREAK // instead of 3
#define SIGKILL SIGTERM  // instead of 9
#define SIGPIPE 13       //will not receive under win?
#define SIGALRM 14       //will not receive under win?
#endif

#if defined(__FreeBSD__) || defined(_darwin_)
#define HAVE_NATIVE_GETPROGNAME
#endif

#ifndef HAVE_NATIVE_GETPROGNAME
const char* getprogname();
#endif

#if defined(_MSC_VER)
void err(int e, const char* m, ...);
void errx(int e, const char* m, ...);
void warn(const char* m, ...);
void warnx(const char* m, ...);
void vwarnx(const char* format, va_list ap);
void vwarn(const char* format, va_list ap);
void verrx(int status, const char* format, va_list ap);
#else
#include <err.h>
#endif
}

#ifdef _MSC_VER
#define popen _popen
#define pclose _pclose
#endif

#ifdef _win_
#define NAME_MAX FILENAME_MAX
#endif
#ifdef _sun_
#define NAME_MAX PATH_MAX
#endif

#ifdef _win_

#ifdef sleep // may be defined by perl
#undef sleep
#endif

void sleep(i64 len);
void usleep(i64 len);

#endif

#ifdef _win_
int ftruncate(int fd, i64 length);
int truncate(const char* name, i64 length);
#endif

#if defined(GNUC)
#ifndef va_copy
#define va_copy __va_copy
#endif
#endif