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[unix-history] / usr / src / usr.bin / window / main.c

diff --git a/usr/src/usr.bin/window/main.c b/usr/src/usr.bin/window/main.c
index 90138fd..1e9c188 100644 (file)
--- a/usr/src/usr.bin/window/main.c
+++ b/usr/src/usr.bin/window/main.c
@@ -1,82 +1,166 @@
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+

 #ifndef lint
 #ifndef lint

-static char *sccsid = "@(#)main.c      1.6 83/07/22";
-#endif
+static char sccsid[] = "@(#)main.c     3.34 (Berkeley) %G%";
+#endif /* not lint */

 
 #include "defs.h"
 
 #include "defs.h"

+#include <sys/signal.h>
+#include <stdio.h>
+#include "string.h"
+#include "char.h"
+#include "local.h"
+
+#define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)usage()))

 
 

-main()
+/*ARGSUSED*/
+main(argc, argv)
+char **argv;

 {
 {

-       register n;

        register char *p;
        register char *p;

-       int wwchild();
-       int imask;
+       char fflag = 0;
+       char dflag = 0;
+       char xflag = 0;
+       char *cmd = 0;
+       char tflag = 0;

 
 

-       gettimeofday(&starttime, &timezone);
+       escapec = ESCAPEC;      
+       if (p = rindex(*argv, '/'))
+               p++;
+       else
+               p = *argv;
+       debug = strcmp(p, "a.out") == 0;
+       while (*++argv) {
+               if (**argv == '-') {
+                       switch (*++*argv) {
+                       case 'f':
+                               fflag++;
+                               break;
+                       case 'c':
+                               if (cmd != 0) {
+                                       (void) fprintf(stderr,
+                                               "Only one -c allowed.\n");
+                                       (void) usage();
+                               }
+                               cmd = next(argv);
+                               break;
+                       case 'e':
+                               setescape(next(argv));
+                               break;
+                       case 't':
+                               tflag++;
+                               break;
+                       case 'd':
+                               dflag++;
+                               break;
+                       case 'D':
+                               debug = !debug;
+                               break;
+                       case 'x':
+                               xflag++;
+                               break;
+                       default:
+                               (void) usage();
+                       }
+               } else
+                       (void) usage();
+       }
+       if ((p = getenv("SHELL")) == 0)
+               p = SHELL;
+       if ((default_shellfile = str_cpy(p)) == 0)
+               nomem();
+       if (p = rindex(default_shellfile, '/'))
+               p++;
+       else
+               p = default_shellfile;
+       default_shell[0] = p;
+       default_shell[1] = 0;
+       default_nline = NLINE;
+       default_smooth = 1;
+       (void) gettimeofday(&starttime, (struct timezone *)0);

        if (wwinit() < 0) {
        if (wwinit() < 0) {

-               fflush(stdout);
-               fprintf("Can't do windows on this terminal.\n");
+               (void) fprintf(stderr, "%s.\n", wwerror());

                exit(1);
        }
                exit(1);
        }

-       if ((cmdwin = wwopen(WW_NONE, 0, 1, wwncol, 0, 0)) == 0) {
-               fflush(stdout);
-               fprintf(stderr, "Can't open command window.\r\n");
+       if (debug)
+               wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
+       if (xflag) {
+               wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
+               wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
+       }
+       if (debug || xflag)
+               (void) wwsettty(0, &wwnewtty, &wwoldtty);
+
+       if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol,
+                            0, 0, 0)) == 0) {
+               (void) wwflush();
+               (void) fprintf(stderr, "%s.\r\n", wwerror());
+               goto bad;
+       }
+       cmdwin->ww_mapnl = 1;
+       cmdwin->ww_nointr = 1;
+       cmdwin->ww_noupdate = 1;
+       cmdwin->ww_unctrl = 1;
+       if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0))
+           == 0) {
+               (void) wwflush();
+               (void) fprintf(stderr, "%s.\r\n", wwerror());

                goto bad;
        }
                goto bad;
        }

-       wwsetcurwin(cmdwin);
-       for (n = 0; n < wwncol; n++)                    /* XXX */
-               Waputc(0, WINVERSE|WBUF, cmdwin->ww_win);
+       wwadd(framewin, &wwhead);
+       if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) {
+               (void) wwflush();
+               (void) fprintf(stderr, "%s.\r\n", wwerror());
+               goto bad;
+       }
+       fgwin = framewin;
+
+       wwupdate();

        wwflush();
        (void) signal(SIGCHLD, wwchild);
        wwflush();
        (void) signal(SIGCHLD, wwchild);

-       if (doconfig() < 0)
-               dodefault();
+       setvars();
+
+       setterse(tflag);
+       setcmd(1);
+       if (cmd != 0)
+               (void) dolongcmd(cmd, (struct value *)0, 0);
+       if (!fflag)
+               if (dflag || doconfig() < 0)
+                       dodefault();

        if (selwin != 0)
        if (selwin != 0)

-               wwsetcurwin(selwin);
-       while (!quit) {
-               if (curwin == cmdwin) {
-                       docmd();
-                       continue;
-               }
-               /*
-                * Loop until we get some keyboard input.
-                */
-               while (ibufc == 0) {
-                       wwsetcursor(WCurRow(curwin->ww_win),
-                               WCurCol(curwin->ww_win));
-                       wwflush();
-                       imask = 1 << 0;
-                       while (wwforce(&imask) < 0)
-                               ;
-                       if ((imask & 1 << 0) == 0)
-                               continue;
-                       /* NOTE: ibufc == 0 */
-                       ibufp = ibuf;
-                       if ((ibufc = read(0, ibuf, sizeof ibuf)) < 0)
-                               ibufc = 0;
-               }
-               /*
-                * Weird loop.  Copy the buffer to the pty stopping
-                * on the escape character in a hopefully efficient
-                * way.
-                * Probably a good thing to make ibufc == 1 a special
-                * case.
-                */
-               for (p = ibufp, n = ibufc;;) {
-                       if (--n < 0) {
-                               write(curwin->ww_pty, ibufp, ibufc);
-                               ibufp = ibuf;
-                               ibufc = 0;
-                               break;
-                       } else if (*p++ == ESCAPE) {
-                               if ((n = p - ibufp) > 1)
-                                       write(curwin->ww_pty, ibufp, n - 1);
-                               ibufp = p;
-                               ibufc -= n;
-                               wwsetcurwin(cmdwin);
-                               break;
-                       }
-               }
-       }
+               setcmd(0);
+
+       mloop();
+

 bad:
        wwend();
        return 0;
 }
 bad:
        wwend();
        return 0;
 }

+
+usage()
+{
+       (void) fprintf(stderr, "Usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
+       exit(1);
+       return 0;                       /* for lint */
+}
+
+nomem()
+{
+       (void) fprintf(stderr, "Out of memory.\n");
+       exit(1);
+}