/*
* Author: Thomas E. Dickey (1998-on)
*
- * $Id: ditto.c,v 1.55 2022/12/04 00:40:55 tom Exp $
+ * $Id: ditto.c,v 1.56 2022/12/10 22:10:49 tom Exp $
*
* The program illustrates how to set up multiple screens from a single
* program.
fprintf(stderr, "%s\n", msg[n]);
ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
-/* *INDENT-OFF* */}
+}
+/* *INDENT-OFF* */
VERSION_COMMON()
/* *INDENT-ON* */
- int
- main(int argc, char *argv[]) {
- int j;
- int ch;
- DITTO *data;
+int
+main(int argc, char *argv[])
+{
+ int j;
+ int ch;
+ DITTO *data;
#ifndef USE_PTHREADS
- int count;
+ int count;
#endif
- while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
- switch (ch) {
- case OPTS_VERSION:
- show_version(argv);
- ExitProgram(EXIT_SUCCESS);
- default:
- usage(ch == OPTS_USAGE);
- /* NOTREACHED */
- }
- } if (optind < argc)
- usage(FALSE);
+ while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+ switch (ch) {
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
+ default:
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
+ }
+ }
+ if (optind < argc)
+ usage(FALSE);
- if ((data = typeCalloc(DITTO, (size_t) argc)) == 0)
- failed("calloc data");
+ if ((data = typeCalloc(DITTO, (size_t) argc)) == 0)
+ failed("calloc data");
- assert(data != 0);
+ assert(data != 0);
- for (j = 0; j < argc; j++) {
- open_screen(&data[j], argv, argc, j);
- }
+ for (j = 0; j < argc; j++) {
+ open_screen(&data[j], argv, argc, j);
+ }
#ifdef USE_PTHREADS
- /*
- * For multi-threaded operation, set up a reader for each of the screens.
- * That uses blocking I/O rather than polling for input, so no calls to
- * napms() are needed.
- */
- for (j = 0; j < argc; j++) {
- (void) pthread_create(&(data[j].thread), NULL, handle_screen,
- &data[j]);
- }
- pthread_join(data[1].thread, NULL);
+ /*
+ * For multi-threaded operation, set up a reader for each of the screens.
+ * That uses blocking I/O rather than polling for input, so no calls to
+ * napms() are needed.
+ */
+ for (j = 0; j < argc; j++) {
+ (void) pthread_create(&(data[j].thread), NULL, handle_screen,
+ &data[j]);
+ }
+ pthread_join(data[1].thread, NULL);
#else
- /*
- * Loop, reading characters from any of the inputs and writing to all
- * of the screens.
- */
- for (count = 0;; ++count) {
- DDATA ddata;
- int which = (count % argc);
+ /*
+ * Loop, reading characters from any of the inputs and writing to all
+ * of the screens.
+ */
+ for (count = 0;; ++count) {
+ DDATA ddata;
+ int which = (count % argc);
- napms(20);
+ napms(20);
- ddata.source = which;
- ddata.ditto = data;
+ ddata.source = which;
+ ddata.ditto = data;
- ch = USING_SCREEN(data[which].screen, read_screen, &ddata);
- if (ch == CTRL('D')) {
- break;
- } else if (ch != ERR) {
- show_ditto(data, argc, &ddata);
- }
+ ch = USING_SCREEN(data[which].screen, read_screen, &ddata);
+ if (ch == CTRL('D')) {
+ break;
+ } else if (ch != ERR) {
+ show_ditto(data, argc, &ddata);
}
+ }
#endif
+ /*
+ * Cleanup and exit
+ */
+ for (j = argc - 1; j >= 0; j--) {
+ USING_SCREEN(data[j].screen, close_screen, 0);
+ fprintf(data[j].output, "**Closed\r\n");
+
/*
- * Cleanup and exit
+ * Closing before a delscreen() helps ncurses determine that there
+ * is no valid output buffer, and can remove the setbuf() data.
*/
- for (j = argc - 1; j >= 0; j--) {
- USING_SCREEN(data[j].screen, close_screen, 0);
- fprintf(data[j].output, "**Closed\r\n");
-
- /*
- * Closing before a delscreen() helps ncurses determine that there
- * is no valid output buffer, and can remove the setbuf() data.
- */
- fflush(data[j].output);
- fclose(data[j].output);
- delscreen(data[j].screen);
- }
- ExitProgram(EXIT_SUCCESS);
+ fflush(data[j].output);
+ fclose(data[j].output);
+ delscreen(data[j].screen);
}
+ ExitProgram(EXIT_SUCCESS);
+}
#else
int
main(void)