/****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2012,2016 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/*
* Author: Thomas E. Dickey (1998-on)
*
- * $Id: ditto.c,v 1.34 2009/07/17 00:07:25 tom Exp $
+ * $Id: ditto.c,v 1.43 2016/02/06 21:19:28 tom Exp $
*
* The program illustrates how to set up multiple screens from a single
* program.
*/
#include <test.priv.h>
#include <sys/stat.h>
-#include <errno.h>
#ifdef USE_PTHREADS
#include <pthread.h>
int which1; /* this screen's index in DITTO[] array */
int length; /* length of windows[] and peeks[] */
char **titles; /* per-window titles */
+ WINDOW **parents; /* display boxes around each screen's data */
WINDOW **windows; /* display data from each screen */
PEEK *peeks; /* indices for each screen's fifo */
FIFO fifo; /* fifo for this screen */
DITTO *ditto; /* data for all screens */
} DDATA;
+static void failed(const char *) GCC_NORETURN;
+static void usage(void) GCC_NORETURN;
+
static void
failed(const char *s)
{
int aslave;
char slave_name[1024];
char s_option[sizeof(slave_name) + 80];
- char *leaf;
+ const char *xterm_prog = 0;
+
+ if ((xterm_prog = getenv("XTERM_PROG")) == 0)
+ xterm_prog = "xterm";
if (openpty(&amaster, &aslave, slave_name, 0, 0) != 0
|| strlen(slave_name) > sizeof(slave_name) - 1)
failed("openpty");
- if ((leaf = strrchr(slave_name, '/')) == 0) {
+ if (strrchr(slave_name, '/') == 0) {
errno = EISDIR;
failed(slave_name);
}
sprintf(s_option, "-S%s/%d", slave_name, aslave);
if (fork()) {
- execlp("xterm", "xterm", s_option, "-title", path, (char *) 0);
+ execlp(xterm_prog, xterm_prog, s_option, "-title", path, (char *) 0);
_exit(0);
}
fp = fdopen(amaster, "r+");
scrollok(stdscr, TRUE);
box(stdscr, 0, 0);
+ target->parents = typeCalloc(WINDOW *, (size_t) target->length);
target->windows = typeCalloc(WINDOW *, (size_t) target->length);
target->peeks = typeCalloc(PEEK, (size_t) target->length);
WINDOW *inner = derwin(outer, high - 2, wide - 2, 1, 1);
box(outer, 0, 0);
- mvwaddstr(outer, 0, 2, target->titles[k]);
+ MvWAddStr(outer, 0, 2, target->titles[k]);
wnoutrefresh(outer);
scrollok(inner, TRUE);
nodelay(inner, TRUE);
#endif
+ target->parents[k] = outer;
target->windows[k] = inner;
}
doupdate();
{
int n;
+ (void) data;
for (n = 0; n < count; n++) {
ddata->target = n;
USING_SCREEN(data[n].screen, write_screen, (void *) ddata);
if (argc <= 1)
usage();
-
+
if ((data = typeCalloc(DITTO, (size_t) argc)) == 0)
failed("calloc data");
+ assert(data != 0);
+
for (j = 0; j < argc; j++) {
open_screen(&data[j], argv, argc, j);
}