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- /* vi:set ts=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.
- */
-
- #include <stdio.h>
- #include <ctype.h>
- #include <sys/types.h>
- #include <sys/stat.h>
-
- #ifdef HAVE_STDLIB_H
- # include <stdlib.h>
- #endif
-
- #ifdef HAVE_UNISTD_H
- # include <unistd.h>
- #endif
-
- #ifdef HAVE_LIBC_H
- # include <libc.h> /* for NeXT */
- #endif
-
- /*
- * SVR4 may be defined for linux, but linux isn't SVR4
- */
- #if defined(SVR4) && defined(__linux__)
- # undef SVR4
- #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
- # if defined(__STDC__) || defined(__GNUC__)
- # define __ARGS(x) x
- # else
- # define __ARGS(x) ()
- # endif
- #endif
-
- /* always use unlink() to remove files */
- #define vim_remove(x) unlink((char *)(x))
-
- /* 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??? */
- /* #if defined(SVR4) || (defined(SYSV) && defined(ISC)) || defined(_AIX) || defined(__linux__) || defined(ultrix) || defined(__386BSD__) || defined(__FreeBSD__) || defined(__bsdi__) || defined(POSIX) || defined(NeXT) || defined(__alpha) || defined(apollo) */
- #if !defined(SOME_SYSTEM)
- # define SIGHASARG
- #endif
-
- /* List 3 arg systems here. I guess __sgi, please test and correct me. jw. */
- #if defined(__sgi)
- # 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
-
- #if 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 /* __COHERENT__ */
-
- #ifndef W_OK
- # define W_OK 2 /* for systems that don't have W_OK in unistd.h */
- #endif
-
- /*
- * Unix system-dependent filenames
- */
-
- #ifndef USR_EXRC_FILE
- # define USR_EXRC_FILE "$HOME/.exrc"
- #endif
-
- #ifndef USR_VIMRC_FILE
- # define USR_VIMRC_FILE "$HOME/.vimrc"
- #endif
-
- #ifdef USE_GUI
- # ifndef USR_GVIMRC_FILE
- # define USR_GVIMRC_FILE "$HOME/.gvimrc"
- # endif
- #endif
-
- #ifndef EXRC_FILE
- # define EXRC_FILE ".exrc"
- #endif
-
- #ifndef VIMRC_FILE
- # define VIMRC_FILE ".vimrc"
- #endif
-
- #ifdef USE_GUI
- # ifndef GVIMRC_FILE
- # define GVIMRC_FILE ".gvimrc"
- # endif
- #endif
-
- #ifdef VIMINFO
- # ifndef VIMINFO_FILE
- # define VIMINFO_FILE "$HOME/.viminfo"
- # endif
- #endif /* VIMINFO */
-
- #ifndef DEF_BDIR
- # ifdef OS2
- # define DEF_BDIR ".,c:/tmp,~/tmp,~/"
- # else
- # define DEF_BDIR ".,~/tmp,~/" /* default for 'backupdir' */
- # endif
- #endif
-
- #ifndef DEF_DIR
- # ifdef OS2
- # define DEF_DIR ".,~/tmp,c:/tmp,/tmp"
- # else
- # define DEF_DIR ".,~/tmp,/tmp" /* default for 'directory' */
- # endif
- #endif
-
- #ifdef OS2
- /*
- * Try several directories to put the temp files.
- */
- #define TEMPDIRNAMES "$TMP", "$TEMP", "c:\\TMP", "c:\\TEMP", ""
- #define TEMPNAME "v?XXXXXX"
- #define TEMPNAMELEN 128
- #else
- #define TEMPNAME "/tmp/v?XXXXXX"
- #define TEMPNAMELEN 15
- #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 */
- #define USE_MOUSE /* include mouse support */
-
- #ifndef MAXMEM
- # define MAXMEM 512 /* use up to 512Kbyte for buffer */
- #endif
- #ifndef MAXMEMTOT
- # define MAXMEMTOT 2048 /* use up to 2048Kbyte for Vim */
- #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 vim_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
- #else
- # ifdef USEBCOPY
- # define vim_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
- # else
- # ifdef USEMEMCPY
- # define vim_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
- # else
- # define VIM_MEMMOVE /* found in alloc.c */
- # endif
- # endif
- #endif
-
- /* codes for xterm mouse event */
- #define MOUSE_LEFT 0x00
- #define MOUSE_MIDDLE 0x01
- #define MOUSE_RIGHT 0x02
- #define MOUSE_RELEASE 0x03
- #define MOUSE_SHIFT 0x04
- #define MOUSE_ALT 0x08
- #define MOUSE_CTRL 0x10
- #define MOUSE_DRAG (0x40 | MOUSE_RELEASE)
-
- #define MOUSE_CLICK_MASK 0x03
-
- #define NUM_MOUSE_CLICKS(code) \
- ((((code) & 0xff) >> 6) + 1)
-
- #define SET_NUM_MOUSE_CLICKS(code, num) \
- (code) = ((code) & 0x3f) + (((num) - 1) << 6)
-