/*

* Multi-platform support.

*/

#ifndef _OKSH_PORTABLE_H_

#define _OKSH_PORTABLE_H_

/*

* Includes

*/

#if defined(__linux__) || defined(__CYGWIN__) || defined(__midipix__)

#include <sys/file.h>

#include <sys/types.h>

#include <grp.h>

#include <stdint.h>

#include <stdlib.h>

#endif /* __linux__ || __CYGWIN__ || __midipix__ */

#include <sys/param.h>

#include <sys/time.h>

#ifdef __APPLE__

#include <mach/clock.h>

#include <mach/mach.h>

#endif /* __APPLE__ */

#if defined(_AIX) || defined(__sun)

#include <sys/file.h>

#endif /* _AIX || __sun */

#if defined(__HAIKU__)

#include <stdint.h>

#endif

#include <time.h>

#include "pconfig.h"

/*

* Defines

*/

#ifndef CHILD_MAX

#define CHILD_MAX 80

#endif /* !CHILD_MAX */

#ifndef O_EXLOCK

#define O_EXLOCK 0

#endif /* !O_EXLOCK */

#ifndef _PATH_BSHELL

#define _PATH_BSHELL "/bin/sh"

#endif /* !_PATH_BSHELL */

#ifndef _PW_NAME_LEN

#if defined(__linux__) || defined(__CYGWIN__) || defined(_AIX) || defined(__midipix__) || defined(__HAIKU__)

#define _PW_NAME_LEN LOGIN_NAME_MAX

#elif defined(__NetBSD__)

#define _PW_NAME_LEN MAXLOGNAME

#elif defined(__sun)

#define _PW_NAME_LEN LOGNAME_MAX

#elif defined(__hpux)

#define _PW_NAME_LEN 8

#else

#define _PW_NAME_LEN MAXLOGNAME - 1

#endif /* __linux__ || __CYGWIN__ || _AIX || __NetBSD__ || __sun || __midipix__ || __HAIKU__ */

#endif /* !_PW_NAME_LEN */

#ifndef LOCK_EX

#define LOCK_EX 0x02

#endif /* !LOCK_EX */

#ifndef LOCK_UN

#define LOCK_UN 0x08

#endif /* !LOCK_UN */

#ifndef RLIMIT_RSS

#define RLIMIT_RSS 5 /* resident set size */

#endif /* !RLIMIT_RSS */

#ifndef RLIMIT_MEMLOCK

#define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */

#endif /* !RLIMIT_MEMLOCK */

#ifndef RLIMIT_NPROC

#define RLIMIT_NPROC 7 /* number of processes */

#endif /* !RLIMIT_NPROC */

/* Convert clock_gettime() to clock_get_time() on Max OS X < 10.12 */

#if defined(__APPLE__) && defined(__MACH__) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101200

#define clock_gettime(x, y) \

clock_serv_t cclock; \

mach_timespec_t mts; \

host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock); \

clock_get_time(cclock, &mts); \

mach_port_deallocate(mach_task_self(), cclock); \

(y)->tv_sec = mts.tv_sec; \

(y)->tv_nsec = mts.tv_nsec;

#endif /* __APPLE__ && __MACH__ && < 10.12 */

#ifdef _AIX

#define VWERASE VWERSE

#define VDISCARD VDISCRD

#define _PATH_DEFPATH "/usr/bin:/etc:/usr/sbin:/usr/ucb:/usr/bin/X11:/sbin"

#define WCOREFLAG 0200

#define WCOREDUMP(x) ((x) & WCOREFLAG)

#undef BAD

#endif /* _AIX */

#ifdef __HAIKU__

#define _PATH_DEFPATH ".:/boot/home/config/non-packaged/bin:/boot/home/config/bin:/boot/system/non-packaged/bin:/bin:/boot/system/apps:/boot/system/preferences"

#define WCOREFLAG 0200

#define WCOREDUMP(x) ((x) & WCOREFLAG)

#define nice(x) (int)0

#endif /* __HAIKU__ */

#ifndef HAVE_SETRESGID

#define setresgid(x, y, z) setgid(x); setegid(y); setgid(z)

#endif /* !HAVE_SETRESGID */

#ifndef HAVE_SETRESUID

#define setresuid(x, y, z) setuid(x); seteuid(y); setuid(z)

#endif /* !HAVE_SETRESUID */

#ifndef HAVE_SRAND_DETERMINISTIC

#define srand_deterministic(x) srand(x)

#endif /* !HAVE_SRAND_DETERMINISTIC */

#ifndef HAVE_TIMERADD

#define timeradd(tvp, uvp, vvp) \

do { \

(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \

(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \

if ((vvp)->tv_usec >= 1000000) { \

(vvp)->tv_sec++; \

(vvp)->tv_usec -= 1000000; \

} \

} while (0)

#endif /* !HAVE_TIMERADD */

#ifndef HAVE_TIMERCLEAR

#define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)

#endif /* !HAVE_TIMERCLEAR */

#ifndef HAVE_TIMERSUB

#define timersub(tvp, uvp, vvp) \

do { \

(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \

(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \

if ((vvp)->tv_usec < 0) { \

(vvp)->tv_sec--; \

(vvp)->tv_usec += 1000000; \

} \

} while (0)

#endif /* !HAVE_TIMERSUB */

/* struct stat compatibility */

#ifndef HAVE_ST_MTIM

#ifndef HAVE_ST_MTIMESPEC

#define st_mtim st_mtime

#define timespeccmp(tsp, usp, cmp) (tsp) cmp (usp)

#else

#define st_mtim st_mtimespec

#endif /* !HAVE_ST_TIMESPEC */

#endif /* !HAVE_ST_MTIM */

/* Cygwin already has a sys_signame but we want to use our own */

#ifdef __CYGWIN__

#undef sys_signame

#endif /* __CYGWIN__ */

/* Android is missing _CS_PATH */

#if defined(__linux__) && defined(__ANDROID__)

#ifndef _CS_PATH

#define _CS_PATH 1

#endif

#endif

/* From OpenBSD sys/time.h */

#ifndef timespeccmp

#define timespeccmp(tsp, usp, cmp) \

(((tsp)->tv_sec == (usp)->tv_sec) ? \

((tsp)->tv_nsec cmp (usp)->tv_nsec) : \

((tsp)->tv_sec cmp (usp)->tv_sec))

#endif

#ifndef timespecsub

#define timespecsub(tsp, usp, vsp) \

do { \

(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \

(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \

if ((vsp)->tv_nsec < 0) { \

(vsp)->tv_sec--; \

(vsp)->tv_nsec += 1000000000L; \

} \

} while (0)

#endif

/*

* Prototypes

*/

#ifndef HAVE_ASPRINTF

int asprintf(char **str, const char *fmt, ...);

#endif /* !HAVE_ASPRINTF */

#ifndef HAVE_CONFSTR

size_t confstr(int, char *, size_t);

#endif /* !HAVE_CONFSTR */

#ifndef HAVE_REALLOCARRAY

void *reallocarray(void *, size_t, size_t);

#endif /* !HAVE_REALLOCARRAY */

#ifndef HAVE_STRAVIS

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

#endif /* !HAVE_STRAVIS */

#ifndef HAVE_STRLCAT

size_t strlcat(char *, const char *, size_t);

#endif /* !HAVE_STRLCAT */

#ifndef HAVE_STRLCPY

size_t strlcpy(char *, const char *, size_t);

#endif /* !HAVE_STRLCPY */

#ifndef HAVE_STRTONUM

long long strtonum(const char *numstr, long long minval, long long maxval,

const char **errstrp);

#endif /* !HAVE_STRTONUM */

#ifndef HAVE_STRUNVIS

int strunvis(char *, const char *);

#endif /* !HAVE_STRUNVIS */

int oksh_issetugid(void);

/*

* Externs

*/

#if !defined(HAVE_SIGLIST) || !defined(HAVE_SIGNAME)

#ifdef NSIG

#undef NSIG

#endif /* NSIG */

#define NSIG 33

#ifndef HAVE_SIGLIST

extern const char *const sys_siglist[NSIG];

#endif /* !HAVE_SIGLIST */

#ifndef HAVE_SIGNAME

extern const char *const sys_signame[NSIG];

#endif /* !HAVE_SIGNAME */

#endif /* !HAVE_SIGLIST || !HAVE_SIGNAME */

/*

* Types

*/

#ifndef HAVE_SIG_T

typedef void (*sig_t) (int);

#endif /* !HAVE_SIG_T */

#endif /* !_OKSH_PORTABLE_H_ */