X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fditto.c;h=84327c0fcdc54336efa8c2b5abd1a18d64590493;hp=387f7077f757303fccce7f27aa3b100616b620ea;hb=e2e9c09c48b19b24979cafb2d4864f538b5ddd1c;hpb=3a0d9d27e0cf115ff9dcc6163c251bccaa62bd7d diff --git a/test/ditto.c b/test/ditto.c index 387f7077..84327c0f 100644 --- a/test/ditto.c +++ b/test/ditto.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2008,2009 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 * @@ -29,7 +29,7 @@ /* * Author: Thomas E. Dickey (1998-on) * - * $Id: ditto.c,v 1.35 2009/10/24 21:33:24 tom Exp $ + * $Id: ditto.c,v 1.44 2016/09/04 20:43:04 tom Exp $ * * The program illustrates how to set up multiple screens from a single * program. @@ -80,6 +80,7 @@ typedef struct { 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 */ @@ -98,6 +99,9 @@ typedef struct { 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) { @@ -151,18 +155,22 @@ open_tty(char *path) 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); + _nc_SPRINTF(s_option, _nc_SLIMIT(sizeof(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+"); @@ -202,6 +210,7 @@ init_screen( 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); @@ -212,7 +221,7 @@ init_screen( 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); @@ -221,6 +230,7 @@ init_screen( nodelay(inner, TRUE); #endif + target->parents[k] = outer; target->windows[k] = inner; } doupdate(); @@ -327,6 +337,7 @@ show_ditto(DITTO * data, int count, DDATA * ddata) { int n; + (void) data; for (n = 0; n < count; n++) { ddata->target = n; USING_SCREEN(data[n].screen, write_screen, (void *) ddata); @@ -382,6 +393,8 @@ main(int argc, char *argv[]) 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); }