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30 * Author: Thomas E. Dickey <dickey@clark.net> 1998
32 * $Id: ditto.c,v 1.8 2007/09/01 21:10:38 tom Exp $
34 * The program illustrates how to set up multiple screens from a single
35 * program. Invoke the program by specifying another terminal on the same
36 * machine by specifying its device, e.g.,
39 #include <test.priv.h>
53 ExitProgram(EXIT_FAILURE);
59 fprintf(stderr, "usage: ditto [terminal1 ...]\n");
60 ExitProgram(EXIT_FAILURE);
69 if (stat(path, &sb) < 0)
71 if ((sb.st_mode & S_IFMT) != S_IFCHR) {
75 fp = fopen(path, "r+");
78 printf("opened %s\n", path);
83 show_ditto(DITTO * data, int count, int which, int ch)
87 for (n = 0; n < count; n++) {
88 set_term(data[n].screen);
92 set_term(data[which].screen);
96 main(int argc GCC_UNUSED,
97 char *argv[]GCC_UNUSED)
106 if ((data = (DITTO *) calloc((unsigned) argc, sizeof(DITTO))) == 0)
107 failed("calloc data");
109 data[0].input = stdin;
110 data[0].output = stdout;
111 for (j = 1; j < argc; j++) {
113 data[j].output = open_tty(argv[j]);
117 * If we got this far, we have open connection(s) to the terminal(s).
118 * Set up the screens.
120 for (j = 0; j < argc; j++) {
121 data[j].screen = newterm((char *) 0, /* assume $TERM is the same */
124 if (data[j].screen == 0)
128 scrollok(stdscr, TRUE);
129 nodelay(stdscr, TRUE);
133 * Loop, reading characters from any of the inputs and writing to all
136 for (count = 0;; ++count) {
138 int which = (count % argc);
140 set_term(data[which].screen);
149 show_ditto(data, argc, which, ch);
155 for (j = argc - 1; j >= 0; j--) {
156 set_term(data[j].screen);
159 ExitProgram(EXIT_SUCCESS);