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- /* vi:set ts=8 sts=4 sw=4:
- *
- * 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 __EMX__
- # define HAVE_TOTAL_MEM
- #endif
-
- #if defined(__CYGWIN__) || defined(__CYGWIN32__)
- # define WIN32UNIX /* Compiling for Win32 using Unix files. */
- # define BINARY_FILE_IO
- #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
-
- /*
- * Sun defines FILE on SunOS 4.x.x, Solaris has a typedef for FILE
- */
- #if defined(sun) && !defined(FILE)
- # define SOLARIS
- #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
-
- #ifndef __ARGS
- /* The AIX VisualAge cc compiler defines __EXTENDED__ instead of __STDC__
- * because it includes pre-ansi features. */
- # if defined(__STDC__) || defined(__GNUC__) || defined(__EXTENDED__)
- # define __ARGS(x) x
- # else
- # define __ARGS(x) ()
- # endif
- #endif
-
- /* always use unlink() to remove files */
- #ifndef PROTO
- # ifdef VMS
- # define mch_remove(x) delete((char *)(x))
- # define vim_mkdir(x, y) mkdir((char *)(x), y)
- # ifdef VAX
- # else
- # define mch_rmdir(x) rmdir((char *)(x))
- # endif
- # 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) (s, sig2, scont) int s, sig2; struct sigcontext *scont;
- # define SIGDUMMYARG 0, 0, (struct sigcontext *)0
- # else
- # define SIGPROTOARG (int)
- # define SIGDEFARG(s) (s) int s;
- # 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
-
- #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME)
- # include <time.h> /* on some systems time.h should not be
- included together with sys/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_ERRNO_H
- # include <errno.h>
- #endif
-
- #ifdef HAVE_PWD_H
- # include <pwd.h>
- #endif
-
- #ifdef __COHERENT__
- # undef __ARGS
- #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
-
- #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 <string.h>
- #include <starlet.h>
- #include <socket.h>
- #include <lib$routines.h>
-
- typedef struct dsc$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(OS2)
- # define USR_EXRC_FILE2 "$VIM/.exrc"
- #endif
- #if !defined(USR_EXRC_FILE2) && defined(VMS)
- # define USR_EXRC_FILE2 "sys$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) && defined(OS2)
- # define USR_VIMRC_FILE2 "$VIM/.vimrc"
- #endif
- #if !defined(USR_VIMRC_FILE2) && defined(VMS)
- # define USR_VIMRC_FILE2 "sys$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
-
- #ifdef VMS
- # ifndef USR_GVIMRC_FILE2
- # define USR_GVIMRC_FILE2 "sys$login:_gvimrc"
- # endif
- #endif
-
- #ifndef EVIM_FILE
- # define EVIM_FILE "$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(OS2)
- # define VIMINFO_FILE2 "$VIM/.viminfo"
- # endif
- # if !defined(VIMINFO_FILE2) && defined(VMS)
- # define VIMINFO_FILE2 "sys$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 "$VIMRUNTIME/syntax/%s.vim"
- #endif
-
- #ifndef DFLT_BDIR
- # ifdef OS2
- # define DFLT_BDIR ".,c:/tmp,~/tmp,~/"
- # else
- # ifdef VMS
- # define DFLT_BDIR "./,sys$login:,tmp:"
- # else
- # define DFLT_BDIR ".,~/tmp,~/" /* default for 'backupdir' */
- # endif
- # endif
- #endif
-
- #ifndef DFLT_DIR
- # ifdef OS2
- # define DFLT_DIR ".,~/tmp,c:/tmp,/tmp"
- # else
- # ifdef VMS
- # define DFLT_DIR "./,sys$login:,tmp:"
- # else
- # define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" /* default for 'directory' */
- # endif
- # endif
- #endif
-
- #ifndef DFLT_VDIR
- # ifdef OS2
- # define DFLT_VDIR "$VIM/vimfiles/view"
- # else
- # ifdef VMS
- # define DFLT_VDIR "sys$login:vimfiles/view"
- # else
- # define DFLT_VDIR "$HOME/.vim/view" /* default for 'viewdir' */
- # endif
- # endif
- #endif
-
- #define DFLT_ERRORFILE "errors.err"
-
- #ifdef OS2
- # define DFLT_RUNTIMEPATH "$HOME/vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,$HOME/vimfiles/after"
- #else
- # ifdef VMS
- # define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after"
- # else
- # ifdef RUNTIME_GLOBAL
- # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
- # else
- # define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
- # endif
- # endif
- #endif
-
- #ifdef OS2
- /*
- * Try several directories to put the temp files.
- */
- # define TEMPDIRNAMES "$TMP", "$TEMP", "c:\\TMP", "c:\\TEMP", ""
- # define TEMPNAMELEN 128
- #else
- # ifdef VMS
- # ifndef VAX
- # define VMS_TEMPNAM /* to fix default .LIS extension */
- # endif
- # define TEMPNAME "TMP:v?XXXXXX.txt"
- # define TEMPNAMELEN 28
- # else
- # define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME"
- # define TEMPNAMELEN 256
- # endif
- #endif
-
- /* Special wildcards that need to be handled by the shell */
- #define SPECIAL_WILDCHAR "`'{"
-
- #ifndef HAVE_OPENDIR
- # define NO_EXPANDPATH
- #endif
-
- /*
- * Unix has plenty of memory, use large buffers
- */
- #define CMDBUFFSIZE 1024 /* size of the command processing buffer */
- #define MAXPATHL 1024 /* Unix has long paths and plenty of memory */
-
- #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, memcpy or our
- * own version */
- /* Some systems have (void *) arguments, some (char *). If we use (char *) it
- * works for all */
- #ifdef USEMEMMOVE
- # 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)
- # else
- # define VIM_MEMMOVE /* found in misc2.c */
- # endif
- # endif
- #endif
-
- #ifndef PROTO
- # ifdef HAVE_RENAME
- # define mch_rename(src, dst) rename(src, dst)
- # else
- int mch_rename __ARGS((const char *src, const char *dest));
- # endif
- # ifdef VMS
- # define mch_chdir(s) chdir(vms_fixfilename(s))
- # else
- # define mch_chdir(s) chdir(s)
- # endif
- # ifndef VMS
- # ifdef __MVS__
- /* on OS390 Unix getenv() doesn't return a pointer to persistant
- * 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
-
- #if !defined(S_ISDIR) && defined(S_IFDIR)
- # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
- #endif
- #if !defined(S_ISREG) && defined(S_IFREG)
- # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
- #endif
- #if !defined(S_ISBLK) && defined(S_IFBLK)
- # define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
- #endif
- #if !defined(S_ISSOCK) && defined(S_IFSOCK)
- # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
- #endif
- #if !defined(S_ISFIFO) && defined(S_IFIFO)
- # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
- #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
-
- #define HAVE_DUP /* have dup() */
- #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)
-