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zsh/Src/zsh_system.h
Felipe Contreras df48cc8404 47785: remove deprecated autoconf functions 
STDC_HEADERS and TIME_WITH_SYS_TIME are deprecated.
2021-04-09 21:45:11 +02:00

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/*
* system.h - system configuration header file
*
* This file is part of zsh, the Z shell.
*
* Copyright (c) 1992-1997 Paul Falstad
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and to distribute modified versions of this software for any
* purpose, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* In no event shall Paul Falstad or the Zsh Development Group be liable
* to any party for direct, indirect, special, incidental, or consequential
* damages arising out of the use of this software and its documentation,
* even if Paul Falstad and the Zsh Development Group have been advised of
* the possibility of such damage.
*
* Paul Falstad and the Zsh Development Group specifically disclaim any
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose. The software
* provided hereunder is on an "as is" basis, and Paul Falstad and the
* Zsh Development Group have no obligation to provide maintenance,
* support, updates, enhancements, or modifications.
*
*/
#if 0
/*
* Setting _XPG_IV here is actually wrong and is not needed
* with currently supported versions (5.43C20 and above)
*/
#ifdef sinix
# define _XPG_IV 1
#endif
#endif
#if defined(__linux) || defined(__GNU__) || defined(__GLIBC__) || defined(LIBC_MUSL) || defined(__CYGWIN__)
/*
* Turn on numerous extensions.
* This is in order to get the functions for manipulating /dev/ptmx.
*/
#define _GNU_SOURCE 1
#endif
#ifdef LIBC_MUSL
#define _POSIX_C_SOURCE 200809L
#endif
/* NeXT has half-implemented POSIX support *
* which currently fools configure */
#ifdef __NeXT__
# undef HAVE_TERMIOS_H
# undef HAVE_SYS_UTSNAME_H
#endif
#ifndef ZSH_NO_XOPEN
# ifdef ZSH_CURSES_SOURCE
# define _XOPEN_SOURCE_EXTENDED 1
# else
# ifdef MULTIBYTE_SUPPORT
/*
* Needed for wcwidth() which is part of XSI.
* Various other uses of the interface mean we can't get away with just
* _XOPEN_SOURCE.
*/
# define _XOPEN_SOURCE_EXTENDED 1
# endif /* MULTIBYTE_SUPPORT */
# endif /* ZSH_CURSES_SOURCE */
#endif /* ZSH_NO_XOPEN */
/*
* Solaris by default zeroes all elements of the tm structure in
* strptime(). Unfortunately that gives us no way of telling whether
* the tm_isdst element has been set from the input pattern. If it
* hasn't we want it to be -1 (undetermined) on input to mktime(). So
* we stop strptime() zeroing the struct tm and instead set all the
* elements ourselves.
*
* This is likely to be harmless everywhere else.
*/
#define _STRPTIME_DONTZERO
#ifdef PROTOTYPES
# define _(Args) Args
#else
# define _(Args) ()
#endif
#ifndef HAVE_ALLOCA
# define alloca zhalloc
#else
# ifdef __GNUC__
# define alloca __builtin_alloca
# else
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
# pragma alloca
# else
# ifndef alloca
char *alloca _((size_t));
# endif
# endif
# endif
# endif
#endif
/*
* libc.h in an optional package for Debian Linux is broken (it
* defines dup() as a synonym for dup2(), which has a different
* number of arguments), so just include it for next.
*/
#ifdef __NeXT__
# ifdef HAVE_LIBC_H
# include <libc.h>
# endif
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_STDDEF_H
/*
* Seen on Solaris 8 with gcc: stddef defines offsetof, which clashes
* with system.h's definition of the symbol unless we include this
* first. Otherwise, this will be hooked in by wchar.h, too late
* for comfort.
*/
#include <stddef.h>
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#include <stdio.h>
#include <ctype.h>
#include <sys/stat.h>
#include <signal.h>
#include <setjmp.h>
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
#endif
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* !HAVE_DIRENT_H */
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif
# define dirent direct
# undef HAVE_STRUCT_DIRENT_D_INO
# undef HAVE_STRUCT_DIRENT_D_STAT
# ifdef HAVE_STRUCT_DIRECT_D_INO
# define HAVE_STRUCT_DIRENT_D_INO HAVE_STRUCT_DIRECT_D_INO
# endif
# ifdef HAVE_STRUCT_DIRECT_D_STAT
# define HAVE_STRUCT_DIRENT_D_STAT HAVE_STRUCT_DIRECT_D_STAT
# endif
#endif /* !HAVE_DIRENT_H */
#ifdef HAVE_STDLIB_H
# ifdef ZSH_MEM
/* malloc and calloc are macros in GNU's stdlib.h unless the
* the __MALLOC_0_RETURNS_NULL macro is defined */
# define __MALLOC_0_RETURNS_NULL
# endif
# include <stdlib.h>
#endif
/*
* Stuff with variable arguments. We use definitions to make the
* same code work with varargs (the original K&R-style, just to
* be maximally compatible) and stdarg (which all modern systems
* should have).
*
* Ideally this should somehow be merged with the tricks performed
* with "_" in makepro.awk, but I don't understand makepro.awk.
* Currently we simply rely on the fact that makepro.awk has been
* hacked to leave alone argument lists that already contains VA_ALIST
* except for removing the VA_DCL and turning VA_ALIST into VA_ALIST_PROTO.
*/
#ifdef HAVE_STDARG_H
# include <stdarg.h>
# define VA_ALIST1(x) x, ...
# define VA_ALIST2(x,y) x, y, ...
# define VA_ALIST_PROTO1(x) VA_ALIST1(x)
# define VA_ALIST_PROTO2(x,y) VA_ALIST2(x,y)
# define VA_DCL
# define VA_DEF_ARG(x)
# define VA_START(ap,x) va_start(ap, x)
# define VA_GET_ARG(ap,x,t)
#else
# if HAVE_VARARGS_H
# include <varargs.h>
# define VA_ALIST1(x) va_alist
# define VA_ALIST2(x,y) va_alist
/*
* In prototypes, assume K&R form and remove the variable list.
* This is about the best we can do without second-guessing the way
* varargs works on this system. The _ trick should be able to
* do this for us but we've turned it off here.
*/
# define VA_ALIST_PROTO1(x)
# define VA_ALIST_PROTO2(x,y)
# define VA_DCL va_dcl
# define VA_DEF_ARG(x) x
# define VA_START(ap,x) va_start(ap);
# define VA_GET_ARG(ap,x,t) (x = va_arg(ap, t))
# else
# error "Your system has neither stdarg.h or varargs.h."
# endif
#endif
#ifdef HAVE_ERRNO_H
# include <errno.h>
#endif
#include <sys/time.h>
#include <time.h>
/* This is needed by some old SCO unices */
#if !defined(HAVE_STRUCT_TIMEZONE) && !defined(ZSH_OOT_MODULE)
struct timezone {
int tz_minuteswest;
int tz_dsttime;
};
#endif
/* Used to provide compatibility with clock_gettime() */
#if !defined(HAVE_STRUCT_TIMESPEC) && !defined(ZSH_OOT_MODULE)
struct timespec {
time_t tv_sec;
long tv_nsec;
};
#endif
/* There's more than one non-standard way to get at this data */
#if !defined(HAVE_STRUCT_DIRENT_D_INO) && defined(HAVE_STRUCT_DIRENT_D_STAT)
# define d_ino d_stat.st_ino
# define HAVE_STRUCT_DIRENT_D_INO HAVE_STRUCT_DIRENT_D_STAT
#endif /* !HAVE_STRUCT_DIRENT_D_INO && HAVE_STRUCT_DIRENT_D_STAT */
/* Sco needs the following include for struct utimbuf *
* which is strange considering we do not use that *
* anywhere in the code */
#ifdef __sco
# include <utime.h>
#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
# include <string.h>
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#ifdef HAVE_LIMITS_H
# include <limits.h>
#endif
#ifdef USE_STACK_ALLOCATION
#ifdef HAVE_VARIABLE_LENGTH_ARRAYS
# define VARARR(X,Y,Z) X (Y)[Z]
#else
# define VARARR(X,Y,Z) X *(Y) = (X *) alloca(sizeof(X) * (Z))
#endif
#else
# define VARARR(X,Y,Z) X *(Y) = (X *) zhalloc(sizeof(X) * (Z))
#endif
/* we should handle unlimited sizes from pathconf(_PC_PATH_MAX) */
/* but this is too much trouble */
#ifndef PATH_MAX
# ifdef MAXPATHLEN
# define PATH_MAX MAXPATHLEN
# else
# ifdef _POSIX_PATH_MAX
# define PATH_MAX _POSIX_PATH_MAX
# else
/* so we will just pick something */
# define PATH_MAX 1024
# endif
# endif
#endif
/*
* The number of file descriptors we'll allocate initially.
* We will reallocate later if necessary.
*/
#define ZSH_INITIAL_OPEN_MAX 64
#ifndef OPEN_MAX
# ifdef NOFILE
# define OPEN_MAX NOFILE
# else
/* so we will just pick something */
# define OPEN_MAX ZSH_INITIAL_OPEN_MAX
# endif
#endif
#ifndef HAVE_SYSCONF
# define zopenmax() ((long) (OPEN_MAX > ZSH_INITIAL_OPEN_MAX ? \
ZSH_INITIAL_OPEN_MAX : OPEN_MAX))
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#else
# include <sys/file.h>
#endif
/* The following will only be defined if <sys/wait.h> is POSIX. *
* So we don't have to worry about union wait. But some machines *
* (NeXT) include <sys/wait.h> from other include files, so we *
* need to undef and then redefine the wait macros if <sys/wait.h> *
* is not POSIX. */
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#else
# undef WIFEXITED
# undef WEXITSTATUS
# undef WIFSIGNALED
# undef WTERMSIG
# undef WCOREDUMP
# undef WIFSTOPPED
# undef WSTOPSIG
#endif
/* missing macros for wait/waitpid/wait3 */
#ifndef WIFEXITED
# define WIFEXITED(X) (((X)&0377)==0)
#endif
#ifndef WEXITSTATUS
# define WEXITSTATUS(X) (((X)>>8)&0377)
#endif
#ifndef WIFSIGNALED
# define WIFSIGNALED(X) (((X)&0377)!=0&&((X)&0377)!=0177)
#endif
#ifndef WTERMSIG
# define WTERMSIG(X) ((X)&0177)
#endif
#ifndef WCOREDUMP
# define WCOREDUMP(X) ((X)&0200)
#endif
#ifndef WIFSTOPPED
# define WIFSTOPPED(X) (((X)&0377)==0177)
#endif
#ifndef WSTOPSIG
# define WSTOPSIG(X) (((X)>>8)&0377)
#endif
#ifdef HAVE_SYS_SELECT_H
# ifndef TIME_H_SELECT_H_CONFLICTS
# include <sys/select.h>
# endif
#elif defined(SELECT_IN_SYS_SOCKET_H)
# include <sys/socket.h>
#endif
#if defined(__APPLE__) && defined(HAVE_SELECT)
/*
* Prefer select() to poll() on MacOS X since poll() is known
* to be problematic in 10.4
*/
#undef HAVE_POLL
#undef HAVE_POLL_H
#endif
#ifdef HAVE_SYS_FILIO_H
# include <sys/filio.h>
#endif
#ifdef HAVE_TERMIOS_H
# ifdef __sco
/* termios.h includes sys/termio.h instead of sys/termios.h; *
* hence the declaration for struct termios is missing */
# include <sys/termios.h>
# else
# include <termios.h>
# endif
# ifdef _POSIX_VDISABLE
# define VDISABLEVAL _POSIX_VDISABLE
# else
# define VDISABLEVAL 0
# endif
# define HAS_TIO 1
#else /* not TERMIOS */
# ifdef HAVE_TERMIO_H
# include <termio.h>
# define VDISABLEVAL -1
# define HAS_TIO 1
# else /* not TERMIOS and TERMIO */
# include <sgtty.h>
# endif /* HAVE_TERMIO_H */
#endif /* HAVE_TERMIOS_H */
#if defined(GWINSZ_IN_SYS_IOCTL) || defined(IOCTL_IN_SYS_IOCTL)
# include <sys/ioctl.h>
#endif
#ifdef WINSIZE_IN_PTEM
# include <sys/stream.h>
# include <sys/ptem.h>
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE_SYS_UTSNAME_H
# include <sys/utsname.h>
#endif
#define DEFAULT_WORDCHARS "*?_-.[]~=/&;!#$%^(){}<>"
#define DEFAULT_TIMEFMT "%J %U user %S system %P cpu %*E total"
/* Posix getpgrp takes no argument, while the BSD version *
* takes the process ID as an argument */
#ifdef GETPGRP_VOID
# define GETPGRP() getpgrp()
#else
# define GETPGRP() getpgrp(0)
#endif
#ifndef HAVE_GETLOGIN
# define getlogin() cuserid(NULL)
#endif
#ifdef HAVE_SETPGID
# define setpgrp setpgid
#endif
/* compatibility wrappers */
/* Our strategy is as follows:
*
* - Ensure that either setre[ug]id() or set{e,}[ug]id() is available.
* - If setres[ug]id() are missing, provide them in terms of either
* setre[ug]id() or set{e,}[ug]id(), whichever is available.
* - Provide replacement setre[ug]id() or set{e,}[ug]id() if they are not
* available natively.
*
* There isn't a circular dependency because, right off the bat, we check that
* there's an end condition, and #error out otherwise.
*/
#if !defined(HAVE_SETREUID) && !(defined(HAVE_SETEUID) && defined(HAVE_SETUID))
/*
* If you run into this error, you have two options:
* - Teach zsh how to do the equivalent of setreuid() on your system
* - Remove support for PRIVILEGED option, and then remove the #error.
*/
# error "Don't know how to change UID"
#endif
#if !defined(HAVE_SETREGID) && !(defined(HAVE_SETEGID) && defined(HAVE_SETGID))
/* See above comment. */
# error "Don't know how to change GID"
#endif
/* Provide setresuid(). */
#ifndef HAVE_SETRESUID
int setresuid(uid_t, uid_t, uid_t);
# define HAVE_SETRESUID
# define ZSH_IMPLEMENT_SETRESUID
# ifdef HAVE_SETREUID
# define ZSH_HAVE_NATIVE_SETREUID
# endif
#endif
/* Provide setresgid(). */
#ifndef HAVE_SETRESGID
int setresgid(gid_t, gid_t, gid_t);
# define HAVE_SETRESGID
# define ZSH_IMPLEMENT_SETRESGID
# ifdef HAVE_SETREGID
# define ZSH_HAVE_NATIVE_SETREGID
# endif
#endif
/* Provide setreuid(). */
#ifndef HAVE_SETREUID
# define setreuid(X, Y) setresuid((X), (Y), -1)
# define HAVE_SETREUID
#endif
/* Provide setregid(). */
#ifndef HAVE_SETREGID
# define setregid(X, Y) setresgid((X), (Y), -1)
# define HAVE_SETREGID
#endif
/* Provide setuid(). */
/* ### TODO: Either remove this (this function has been standard since 1985),
* ### or rewrite this without multiply-evaluating the argument */
#ifndef HAVE_SETUID
# define setuid(X) setreuid((X), (X))
# define HAVE_SETUID
#endif
/* Provide setgid(). */
#ifndef HAVE_SETGID
/* ### TODO: Either remove this (this function has been standard since 1985),
* ### or rewrite this without multiply-evaluating the argument */
# define setgid(X) setregid((X), (X))
# define HAVE_SETGID
#endif
/* Provide seteuid(). */
#ifndef HAVE_SETEUID
# define seteuid(X) setreuid(-1, (X))
# define HAVE_SETEUID
#endif
/* Provide setegid(). */
#ifndef HAVE_SETEGID
# define setegid(X) setregid(-1, (X))
# define HAVE_SETEGID
#endif
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
# if defined(__hpux) && !defined(RLIMIT_CPU)
/* HPUX does have the BSD rlimits in the kernel. Officially they are *
* unsupported but quite a few of them like RLIMIT_CORE seem to work. *
* All the following are in the <sys/resource.h> but made visible *
* only for the kernel. */
# define RLIMIT_CPU 0
# define RLIMIT_FSIZE 1
# define RLIMIT_DATA 2
# define RLIMIT_STACK 3
# define RLIMIT_CORE 4
# define RLIMIT_RSS 5
# define RLIMIT_NOFILE 6
# define RLIMIT_OPEN_MAX RLIMIT_NOFILE
# define RLIM_NLIMITS 7
# define RLIM_INFINITY 0x7fffffff
# endif
#endif
/* we use the SVR4 constant instead of the BSD one */
#if !defined(RLIMIT_NOFILE) && defined(RLIMIT_OFILE)
# define RLIMIT_NOFILE RLIMIT_OFILE
#endif
#if !defined(RLIMIT_VMEM) && defined(RLIMIT_AS)
# define RLIMIT_VMEM RLIMIT_AS
#endif
#if defined(HAVE_SYS_CAPABILITY_H) && defined(HAVE_CAP_GET_PROC)
# include <sys/capability.h>
#endif
/* DIGBUFSIZ is the length of a buffer which can hold the -LONG_MAX-1 *
* (or with ZSH_64_BIT_TYPE maybe -LONG_LONG_MAX-1) *
* converted to printable decimal form including the sign and the *
* terminating null character. Below 0.30103 > lg 2. *
* BDIGBUFSIZE is for a number converted to printable binary form. */
#define DIGBUFSIZE ((int)(((sizeof(zlong) * 8) - 1) * 30103/100000) + 3)
#define BDIGBUFSIZE ((int)((sizeof(zlong) * 8) + 4))
/* If your stat macros are broken, we will *
* just undefine them. */
#ifdef STAT_MACROS_BROKEN
# undef S_ISBLK
# undef S_ISCHR
# undef S_ISDIR
# undef S_ISDOOR
# undef S_ISFIFO
# undef S_ISLNK
# undef S_ISMPB
# undef S_ISMPC
# undef S_ISNWK
# undef S_ISOFD
# undef S_ISOFL
# undef S_ISREG
# undef S_ISSOCK
#endif /* STAT_MACROS_BROKEN. */
/* If you are missing the stat macros, we *
* define our own */
#ifndef S_IFMT
# define S_IFMT 0170000
#endif
#if !defined(S_ISBLK) && defined(S_IFBLK)
# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#endif
#if !defined(S_ISCHR) && defined(S_IFCHR)
# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#endif
#if !defined(S_ISDIR) && defined(S_IFDIR)
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#if !defined(S_ISDOOR) && defined(S_IFDOOR) /* Solaris */
# define S_ISDOOR(m) (((m) & S_IFMT) == S_IFDOOR)
#endif
#if !defined(S_ISFIFO) && defined(S_IFIFO)
# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#endif
#if !defined(S_ISLNK) && defined(S_IFLNK)
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#endif
#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
#endif
#if !defined(S_ISMPC) && defined(S_IFMPC) /* V7 */
# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
#endif
#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
# define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
#endif
#if !defined(S_ISOFD) && defined(S_IFOFD) /* Cray */
# define S_ISOFD(m) (((m) & S_IFMT) == S_IFOFD)
#endif
#if !defined(S_ISOFL) && defined(S_IFOFL) /* Cray */
# define S_ISOFL(m) (((m) & S_IFMT) == S_IFOFL)
#endif
#if !defined(S_ISREG) && defined(S_IFREG)
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
#if !defined(S_ISSOCK) && defined(S_IFSOCK)
# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
#endif
/* We will pretend to have all file types on any system. */
#ifndef S_ISBLK
# define S_ISBLK(m) ((void)(m), 0)
#endif
#ifndef S_ISCHR
# define S_ISCHR(m) ((void)(m), 0)
#endif
#ifndef S_ISDIR
# define S_ISDIR(m) ((void)(m), 0)
#endif
#ifndef S_ISDOOR
# define S_ISDOOR(m) ((void)(m), 0)
#endif
#ifndef S_ISFIFO
# define S_ISFIFO(m) ((void)(m), 0)
#endif
#ifndef S_ISLNK
# define S_ISLNK(m) ((void)(m), 0)
#endif
#ifndef S_ISMPB
# define S_ISMPB(m) ((void)(m), 0)
#endif
#ifndef S_ISMPC
# define S_ISMPC(m) ((void)(m), 0)
#endif
#ifndef S_ISNWK
# define S_ISNWK(m) ((void)(m), 0)
#endif
#ifndef S_ISOFD
# define S_ISOFD(m) ((void)(m), 0)
#endif
#ifndef S_ISOFL
# define S_ISOFL(m) ((void)(m), 0)
#endif
#ifndef S_ISREG
# define S_ISREG(m) ((void)(m), 0)
#endif
#ifndef S_ISSOCK
# define S_ISSOCK(m) ((void)(m), 0)
#endif
/* file mode permission bits */
#ifndef S_ISUID
# define S_ISUID 04000
#endif
#ifndef S_ISGID
# define S_ISGID 02000
#endif
#ifndef S_ISVTX
# define S_ISVTX 01000
#endif
#ifndef S_IRUSR
# define S_IRUSR 00400
#endif
#ifndef S_IWUSR
# define S_IWUSR 00200
#endif
#ifndef S_IXUSR
# define S_IXUSR 00100
#endif
#ifndef S_IRGRP
# define S_IRGRP 00040
#endif
#ifndef S_IWGRP
# define S_IWGRP 00020
#endif
#ifndef S_IXGRP
# define S_IXGRP 00010
#endif
#ifndef S_IROTH
# define S_IROTH 00004
#endif
#ifndef S_IWOTH
# define S_IWOTH 00002
#endif
#ifndef S_IXOTH
# define S_IXOTH 00001
#endif
#ifndef S_IRWXU
# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
#endif
#ifndef S_IRWXG
# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
#endif
#ifndef S_IRWXO
# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
#endif
#ifndef S_IRUGO
# define S_IRUGO (S_IRUSR|S_IRGRP|S_IROTH)
#endif
#ifndef S_IWUGO
# define S_IWUGO (S_IWUSR|S_IWGRP|S_IWOTH)
#endif
#ifndef S_IXUGO
# define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
#endif
#ifndef HAVE_LSTAT
# define lstat stat
#endif
#ifndef HAVE_READLINK
# define readlink(PATH, BUF, BUFSZ) \
((void)(PATH), (void)(BUF), (void)(BUFSZ), errno = ENOSYS, -1)
#endif
#ifndef F_OK /* missing macros for access() */
# define F_OK 0
# define X_OK 1
# define W_OK 2
# define R_OK 4
#endif
#ifndef HAVE_LCHOWN
# define lchown chown
#endif
#ifndef HAVE_MEMCPY
# define memcpy memmove
#endif
#ifndef HAVE_MEMMOVE
# ifndef memmove
static char *zmmv;
# define memmove(dest, src, len) (bcopy((src), zmmv = (dest), (len)), zmmv)
# endif
#endif
#ifndef offsetof
# define offsetof(TYPE, MEM) ((char *)&((TYPE *)0)->MEM - (char *)(TYPE *)0)
#endif
extern char **environ;
/*
* We always need setenv and unsetenv in pairs, because
* we don't know how to do memory management on the values set.
*/
#if defined(HAVE_SETENV) && defined(HAVE_UNSETENV) && !defined(__APPLE__)
# define USE_SET_UNSET_ENV
#endif
/* These variables are sometimes defined in, *
* and needed by, the termcap library. */
#if MUST_DEFINE_OSPEED
extern char PC, *BC, *UP;
extern short ospeed;
#endif
#ifndef O_NOCTTY
# define O_NOCTTY 0
#endif
#ifdef _LARGEFILE_SOURCE
#ifdef HAVE_FSEEKO
#define fseek fseeko
#endif
#ifdef HAVE_FTELLO
#define ftell ftello
#endif
#endif
/* Can't support job control without working tcsetgrp() */
#ifdef BROKEN_TCSETPGRP
#undef JOB_CONTROL
#endif /* BROKEN_TCSETPGRP */
#ifdef BROKEN_KILL_ESRCH
#undef ESRCH
#define ESRCH EINVAL
#endif /* BROKEN_KILL_ESRCH */
/* Can we do locale stuff? */
#undef USE_LOCALE
#if defined(CONFIG_LOCALE) && defined(HAVE_SETLOCALE) && defined(LC_ALL)
# define USE_LOCALE 1
#endif /* CONFIG_LOCALE && HAVE_SETLOCALE && LC_ALL */
#ifndef MAILDIR_SUPPORT
#define mailstat(X,Y) stat(X,Y)
#endif
#ifdef __CYGWIN__
# include <sys/cygwin.h>
# define IS_DIRSEP(c) ((c) == '/' || (c) == '\\')
#else
# define IS_DIRSEP(c) ((c) == '/')
#endif
#if defined(__GNUC__) && (!defined(__APPLE__) || defined(__clang__))
/* Does the OS X port of gcc still gag on __attribute__? */
#define UNUSED(x) x __attribute__((__unused__))
#else
#define UNUSED(x) x
#endif
/*
* The MULTIBYTE_SUPPORT configure-define specifies that we want to enable
* complete Unicode conversion between wide characters and multibyte strings.
*/
#if defined MULTIBYTE_SUPPORT \
|| (defined HAVE_WCHAR_H && defined HAVE_WCTOMB && defined __STDC_ISO_10646__)
/*
* If MULTIBYTE_SUPPORT is not defined, these includes provide a subset of
* Unicode support that makes the \u and \U printf escape sequences work.
*/
#if defined(__hpux) && !defined(_INCLUDE__STDC_A1_SOURCE)
#define _INCLUDE__STDC_A1_SOURCE
#endif
# include <wchar.h>
# include <wctype.h>
#endif
#ifdef HAVE_LANGINFO_H
# include <langinfo.h>
# ifdef HAVE_ICONV
# include <iconv.h>
# endif
#endif
#if defined(HAVE_INITGROUPS) && !defined(DISABLE_DYNAMIC_NSS)
# define USE_INITGROUPS
#endif
#if defined(HAVE_GETGRGID) && !defined(DISABLE_DYNAMIC_NSS)
# define USE_GETGRGID
#endif
#if defined(HAVE_GETGRNAM) && !defined(DISABLE_DYNAMIC_NSS)
# define USE_GETGRNAM
#endif
#if defined(HAVE_GETPWENT) && !defined(DISABLE_DYNAMIC_NSS)
# define USE_GETPWENT
#endif
#if defined(HAVE_GETPWNAM) && !defined(DISABLE_DYNAMIC_NSS)
# define USE_GETPWNAM
#endif
#if defined(HAVE_GETPWUID) && !defined(DISABLE_DYNAMIC_NSS)
# define USE_GETPWUID
#endif
#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
# define GET_ST_ATIME_NSEC(st) (st).st_atim.tv_nsec
#elif HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
# define GET_ST_ATIME_NSEC(st) (st).st_atimespec.tv_nsec
#elif HAVE_STRUCT_STAT_ST_ATIMENSEC
# define GET_ST_ATIME_NSEC(st) (st).st_atimensec
#endif
#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
# define GET_ST_MTIME_NSEC(st) (st).st_mtim.tv_nsec
#elif HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
# define GET_ST_MTIME_NSEC(st) (st).st_mtimespec.tv_nsec
#elif HAVE_STRUCT_STAT_ST_MTIMENSEC
# define GET_ST_MTIME_NSEC(st) (st).st_mtimensec
#endif
#ifdef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC
# define GET_ST_CTIME_NSEC(st) (st).st_ctim.tv_nsec
#elif HAVE_STRUCT_STAT_ST_CTIMESPEC_TV_NSEC
# define GET_ST_CTIME_NSEC(st) (st).st_ctimespec.tv_nsec
#elif HAVE_STRUCT_STAT_ST_CTIMENSEC
# define GET_ST_CTIME_NSEC(st) (st).st_ctimensec
#endif
#if defined(HAVE_TGETENT) && !defined(ZSH_NO_TERM_HANDLING)
# if defined(ZSH_HAVE_CURSES_H) && defined(ZSH_HAVE_TERM_H)
# define USES_TERM_H 1
# else
# ifdef HAVE_TERMCAP_H
# define USES_TERMCAP_H 1
# endif
# endif
# ifdef USES_TERM_H
# ifdef HAVE_TERMIO_H
# include <termio.h>
# endif
# ifdef ZSH_HAVE_CURSES_H
# include "zshcurses.h"
# endif
# include "zshterm.h"
# else
# ifdef USES_TERMCAP_H
# include <termcap.h>
# endif
# endif
#endif
#ifdef HAVE_SRAND_DETERMINISTIC
# define srand srand_deterministic
#endif
#ifdef ZSH_VALGRIND
# include "valgrind/valgrind.h"
# include "valgrind/memcheck.h"
#endif
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