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forked from aniani/vim
vim/src/os_unix.h
Yegappan Lakshmanan d2b98ab4ec patch 8.2.3447: a couple of declarations are not ANSI C
Problem:    A couple of declarations are not ANSI C.
Solution:   Put argument type inside (). (Yegappan Lakshmanan, closes #8890)
2021-09-18 12:15:08 +02:00

501 lines
12 KiB
C

/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
*/
/*
* NextStep has a problem with configure, undefine a few things:
*/
#ifdef NeXT
# ifdef HAVE_UTIME
# undef HAVE_UTIME
# endif
# ifdef HAVE_SYS_UTSNAME_H
# undef HAVE_SYS_UTSNAME_H
# endif
#endif
#include <stdio.h>
#include <ctype.h>
#ifdef VAXC
# include <types.h>
# include <stat.h>
#else
# include <sys/types.h>
# include <sys/stat.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#ifdef __CYGWIN__
# define WIN32UNIX // Compiling for Win32 using Unix files.
# define BINARY_FILE_IO
# define CASE_INSENSITIVE_FILENAME
# define USE_FNAME_CASE // Fix filename case differences.
#endif
// On AIX 4.2 there is a conflicting prototype for ioctl() in stropts.h and
// unistd.h. This hack should fix that (suggested by Jeff George).
// But on AIX 4.3 it's alright (suggested by Jake Hamby).
#if defined(FEAT_GUI) && defined(_AIX) && !defined(_AIX43) && !defined(_NO_PROTO)
# define _NO_PROTO
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_LIBC_H
# include <libc.h> // for NeXT
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h> // defines BSD, if it's a BSD system
#endif
/*
* Using getcwd() is preferred, because it checks for a buffer overflow.
* Don't use getcwd() on systems do use system("sh -c pwd"). There is an
* autoconf check for this.
* Use getcwd() anyway if getwd() isn't present.
*/
#if defined(HAVE_GETCWD) && !(defined(BAD_GETCWD) && defined(HAVE_GETWD))
# define USE_GETCWD
#endif
// always use unlink() to remove files
#ifndef PROTO
# ifdef VMS
# define vim_mkdir(x, y) mkdir((char *)vms_fixfilename(x), y)
# define mch_rmdir(x) delete((char *)vms_fixfilename(x))
# define mch_remove(x) delete((char *)vms_fixfilename(x))
# else
# define vim_mkdir(x, y) mkdir((char *)(x), y)
# define mch_rmdir(x) rmdir((char *)(x))
# define mch_remove(x) unlink((char *)(x))
# endif
#endif
// The number of arguments to a signal handler is configured here.
// It used to be a long list of almost all systems. Any system that doesn't
// have an argument???
#define SIGHASARG
// List 3 arg systems here. I guess __sgi, please test and correct me. jw.
#if defined(__sgi) && defined(HAVE_SIGCONTEXT)
# define SIGHAS3ARGS
#endif
#ifdef SIGHASARG
# ifdef SIGHAS3ARGS
# define SIGPROTOARG (int, int, struct sigcontext *)
# define SIGDEFARG(s) (int s, int sig2, struct sigcontext *scont)
# define SIGDUMMYARG 0, 0, (struct sigcontext *)0
# else
# define SIGPROTOARG (int)
# define SIGDEFARG(s) (int s UNUSED)
# define SIGDUMMYARG 0
# endif
#else
# define SIGPROTOARG (void)
# define SIGDEFARG(s) ()
# define SIGDUMMYARG
#endif
#ifdef HAVE_DIRENT_H
# include <dirent.h>
# ifndef NAMLEN
# define NAMLEN(dirent) strlen((dirent)->d_name)
# endif
#else
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
// on some systems time.h should not be included together with sys/time.h
#if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME)
# include <time.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <signal.h>
#if defined(DIRSIZ) && !defined(MAXNAMLEN)
# define MAXNAMLEN DIRSIZ
#endif
#if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN)
# define MAXNAMLEN UFS_MAXNAMLEN // for dynix/ptx
#endif
#if defined(NAME_MAX) && !defined(MAXNAMLEN)
# define MAXNAMLEN NAME_MAX // for Linux before .99p3
#endif
/*
* Note: if MAXNAMLEN has the wrong value, you will get error messages
* for not being able to open the swap file.
*/
#if !defined(MAXNAMLEN)
# define MAXNAMLEN 512 // for all other Unix
#endif
#define BASENAMELEN (MAXNAMLEN - 5)
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \
|| (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \
|| defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF)
# define HAVE_TOTAL_MEM
#endif
#ifndef PROTO
#ifdef VMS
# include <unixio.h>
# include <unixlib.h>
# include <signal.h>
# include <file.h>
# include <ssdef.h>
# include <descrip.h>
# include <libclidef.h>
# include <lnmdef.h>
# include <psldef.h>
# include <prvdef.h>
# include <dvidef.h>
# include <dcdef.h>
# include <stsdef.h>
# include <iodef.h>
# include <ttdef.h>
# include <tt2def.h>
# include <jpidef.h>
# include <rms.h>
# include <trmdef.h>
# include <string.h>
# include <starlet.h>
# include <socket.h>
# include <lib$routines.h>
# include <libdef.h>
# include <libdtdef.h>
# if defined(FEAT_GUI_MOTIF)
# define XFree XFREE
# define XmRepTypeInstallTearOffModelCon XMREPTYPEINSTALLTEAROFFMODELCON
# endif
#endif // VMS
#ifdef HAVE_FLOCK
# include <sys/file.h>
#endif
#endif // PROTO
#ifdef VMS
typedef struct dsc$descriptor DESC;
#endif
/*
* Unix system-dependent file names
*/
#ifndef SYS_VIMRC_FILE
# define SYS_VIMRC_FILE "$VIM/vimrc"
#endif
#ifndef SYS_GVIMRC_FILE
# define SYS_GVIMRC_FILE "$VIM/gvimrc"
#endif
#ifndef DFLT_HELPFILE
# define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt"
#endif
#ifndef FILETYPE_FILE
# define FILETYPE_FILE "filetype.vim"
#endif
#ifndef FTPLUGIN_FILE
# define FTPLUGIN_FILE "ftplugin.vim"
#endif
#ifndef INDENT_FILE
# define INDENT_FILE "indent.vim"
#endif
#ifndef FTOFF_FILE
# define FTOFF_FILE "ftoff.vim"
#endif
#ifndef FTPLUGOF_FILE
# define FTPLUGOF_FILE "ftplugof.vim"
#endif
#ifndef INDOFF_FILE
# define INDOFF_FILE "indoff.vim"
#endif
#ifndef SYS_MENU_FILE
# define SYS_MENU_FILE "$VIMRUNTIME/menu.vim"
#endif
#ifndef USR_EXRC_FILE
# ifdef VMS
# define USR_EXRC_FILE "sys$login:.exrc"
# else
# define USR_EXRC_FILE "$HOME/.exrc"
# endif
#endif
#if !defined(USR_EXRC_FILE2) && defined(VMS)
# define USR_EXRC_FILE2 "sys$login:_exrc"
#endif
#ifndef USR_VIMRC_FILE
# ifdef VMS
# define USR_VIMRC_FILE "sys$login:.vimrc"
# else
# define USR_VIMRC_FILE "$HOME/.vimrc"
# endif
#endif
#if !defined(USR_VIMRC_FILE2)
# ifdef VMS
# define USR_VIMRC_FILE2 "sys$login:vimfiles/vimrc"
# else
# define USR_VIMRC_FILE2 "~/.vim/vimrc"
# endif
#endif
#if !defined(USR_VIMRC_FILE3) && defined(VMS)
# define USR_VIMRC_FILE3 "sys$login:_vimrc"
#endif
#ifndef USR_GVIMRC_FILE
# ifdef VMS
# define USR_GVIMRC_FILE "sys$login:.gvimrc"
# else
# define USR_GVIMRC_FILE "$HOME/.gvimrc"
# endif
#endif
#ifndef USR_GVIMRC_FILE2
# ifdef VMS
# define USR_GVIMRC_FILE2 "sys$login:vimfiles/gvimrc"
# else
# define USR_GVIMRC_FILE2 "~/.vim/gvimrc"
# endif
#endif
#ifdef VMS
# ifndef USR_GVIMRC_FILE3
# define USR_GVIMRC_FILE3 "sys$login:_gvimrc"
# endif
#endif
#ifndef VIM_DEFAULTS_FILE
# define VIM_DEFAULTS_FILE "$VIMRUNTIME/defaults.vim"
#endif
#ifndef EVIM_FILE
# define EVIM_FILE "$VIMRUNTIME/evim.vim"
#endif
#ifdef FEAT_VIMINFO
# ifndef VIMINFO_FILE
# ifdef VMS
# define VIMINFO_FILE "sys$login:.viminfo"
# else
# define VIMINFO_FILE "$HOME/.viminfo"
# endif
# endif
# if !defined(VIMINFO_FILE2) && defined(VMS)
# define VIMINFO_FILE2 "sys$login:_viminfo"
# endif
#endif
#ifndef EXRC_FILE
# define EXRC_FILE ".exrc"
#endif
#ifndef VIMRC_FILE
# define VIMRC_FILE ".vimrc"
#endif
#ifdef FEAT_GUI
# ifndef GVIMRC_FILE
# define GVIMRC_FILE ".gvimrc"
# endif
#endif
#ifndef SYNTAX_FNAME
# define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim"
#endif
#ifndef DFLT_BDIR
# ifdef VMS
# define DFLT_BDIR "./,sys$login:,tmp:"
# else
# define DFLT_BDIR ".,~/tmp,~/" // default for 'backupdir'
# endif
#endif
#ifndef DFLT_DIR
# ifdef VMS
# define DFLT_DIR "./,sys$login:,tmp:"
# else
# define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" // default for 'directory'
# endif
#endif
#ifndef DFLT_VDIR
# ifdef VMS
# define DFLT_VDIR "sys$login:vimfiles/view"
# else
# define DFLT_VDIR "$HOME/.vim/view" // default for 'viewdir'
# endif
#endif
#define DFLT_ERRORFILE "errors.err"
#ifndef DFLT_RUNTIMEPATH
# ifdef VMS
# define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after"
# define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
# else
# ifdef RUNTIME_GLOBAL
# ifdef RUNTIME_GLOBAL_AFTER
# define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER ",~/.vim/after"
# define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER
# else
# define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
# define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after"
# endif
# else
# define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
# define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
# endif
# endif
#endif
#ifdef VMS
# ifndef VAX
# define VMS_TEMPNAM // to fix default .LIS extension
# endif
# define TEMPNAME "TMP:v?XXXXXX.txt"
# define TEMPNAMELEN 28
#else
// Try several directories to put the temp files.
# define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME"
# define TEMPNAMELEN 256
#endif
// Special wildcards that need to be handled by the shell
#define SPECIAL_WILDCHAR "`'{"
/*
* Unix has plenty of memory, use large buffers
*/
#define CMDBUFFSIZE 1024 // size of the command processing buffer
// Use the system path length if it makes sense.
#if defined(PATH_MAX) && (PATH_MAX > 1000)
# define MAXPATHL PATH_MAX
#else
# define MAXPATHL 1024
#endif
#define CHECK_INODE // used when checking if a swap file already
// exists for a file
#ifdef VMS // Use less memory because of older systems
# ifndef DFLT_MAXMEM
# define DFLT_MAXMEM (2*1024)
# endif
# ifndef DFLT_MAXMEMTOT
# define DFLT_MAXMEMTOT (5*1024)
# endif
#else
# ifndef DFLT_MAXMEM
# define DFLT_MAXMEM (5*1024) // use up to 5 Mbyte for a buffer
# endif
# ifndef DFLT_MAXMEMTOT
# define DFLT_MAXMEMTOT (10*1024) // use up to 10 Mbyte for Vim
# endif
#endif
// memmove() is not present on all systems, use memmove, bcopy or memcpy.
// Some systems have (void *) arguments, some (char *). If we use (char *) it
// works for all
#if defined(USEMEMMOVE) || (!defined(USEBCOPY) && !defined(USEMEMCPY))
# define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
#else
# ifdef USEBCOPY
# define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
# else
// ifdef USEMEMCPY
# define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
# endif
#endif
#ifndef PROTO
# ifdef HAVE_RENAME
# define mch_rename(src, dst) rename(src, dst)
# else
int mch_rename(const char *src, const char *dest);
# endif
# ifndef VMS
# ifdef __MVS__
// on OS390 Unix getenv() doesn't return a pointer to persistent
// storage -> use __getenv()
# define mch_getenv(x) (char_u *)__getenv((char *)(x))
# else
# define mch_getenv(x) (char_u *)getenv((char *)(x))
# endif
# define mch_setenv(name, val, x) setenv(name, val, x)
# endif
#endif
// Note: Some systems need both string.h and strings.h (Savage). However,
// some systems can't handle both, only use string.h in that case.
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
# include <strings.h>
#endif
#if defined(HAVE_SETJMP_H)
# include <setjmp.h>
# ifdef HAVE_SIGSETJMP
# define JMP_BUF sigjmp_buf
# define SETJMP(x) sigsetjmp((x), 1)
# define LONGJMP siglongjmp
# else
# define JMP_BUF jmp_buf
# define SETJMP(x) setjmp(x)
# define LONGJMP longjmp
# endif
#endif
#ifndef HAVE_DUP
# define HAVE_DUP // have dup()
#endif
#define HAVE_ST_MODE // have stat.st_mode
// We have three kinds of ACL support.
#define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL)