ncurses 6.4 - patch 20240420

[ncurses.git] / test / savescreen.c

diff --git a/test/savescreen.c b/test/savescreen.c
index 408020a6a958f2673794140f3486ff5d86cbc866..3ea619306a84b9c91df254a93e644c4ee4c64a66 100644 (file)
--- a/test/savescreen.c
+++ b/test/savescreen.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2007-2018,2019 Free Software Foundation, Inc.              *
+ * Copyright 2018-2021,2022 Thomas E. Dickey                                *
+ * Copyright 2006-2017,2018 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            *
@@ -26,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: savescreen.c,v 1.55 2019/01/20 15:59:28 tom Exp $
+ * $Id: savescreen.c,v 1.62 2022/12/10 23:23:27 tom Exp $
  *
  * Demonstrate save/restore functions from the curses library.
  * Thomas Dickey - 2007/7/14
@@ -85,9 +86,9 @@ setup_next(void)
 static void
 cleanup(char *files[])
 {
-    int n;
-
     if (!keep_dumps) {
+       int n;
+
        for (n = 0; files[n] != 0; ++n) {
            unlink(files[n]);
        }
@@ -168,7 +169,6 @@ dump_screen(char **files, int color, int which, int last, bool use_colors)
 {
 #if USE_WIDEC_SUPPORT
     cchar_t mycc;
-    int myxx;
 #endif
     char *filename = files[which];
     bool dumped = FALSE;
@@ -197,7 +197,7 @@ dump_screen(char **files, int color, int which, int last, bool use_colors)
                    wmove(stdscr, cy, cx);
 #if USE_WIDEC_SUPPORT
                    if (win_wch(curscr, &mycc) != ERR) {
-                       myxx = wcwidth(BaseChar(mycc));
+                       int myxx = wcwidth(BaseChar(mycc));
                        if (myxx > 0) {
                            wadd_wchnstr(stdscr, &mycc, 1);
                            cx += (myxx - 1);
@@ -253,24 +253,28 @@ replay_help(void)
 }
 
 static void
-usage(void)
+usage(int ok)
 {
     static const char *msg[] =
     {
-       "Usage: savescreen [-r] files",
-       "",
-       "Options:",
-       " -f file  fill/initialize screen using text from this file",
-       " -i       use scr_init/scr_restore rather than scr_set",
-       " -k       keep the restored dump-files rather than removing them",
-       " -r       replay the screen-dump files"
+       "Usage: savescreen [-r] files"
+       ,""
+       ,USAGE_COMMON
+       ,"Options:"
+       ," -f file  fill/initialize screen using text from this file"
+       ," -i       use scr_init/scr_restore rather than scr_set"
+       ," -k       keep the restored dump-files rather than removing them"
+       ," -r       replay the screen-dump files"
     };
     unsigned n;
     for (n = 0; n < SIZEOF(msg); ++n) {
        fprintf(stderr, "%s\n", msg[n]);
     }
-    ExitProgram(EXIT_FAILURE);
+    ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
 }
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
 
 int
 main(int argc, char *argv[])
@@ -284,19 +288,14 @@ main(int argc, char *argv[])
     char **files;
     char *fill_by = 0;
 #if USE_WIDEC_SUPPORT
-    int r, g, b;
-    int cube = 0;
-    int cube0 = 16;
-    int cube1;
     cchar_t mycc;
     static const wchar_t mywc[2] =
     {L'#', 0};
-    bool using_rgb = FALSE;
 #endif
 
     setlocale(LC_ALL, "");
 
-    while ((ch = getopt(argc, argv, "f:ikr")) != -1) {
+    while ((ch = getopt(argc, argv, OPTS_COMMON "f:ikr")) != -1) {
        switch (ch) {
        case 'f':
            fill_by = optarg;
@@ -310,9 +309,12 @@ main(int argc, char *argv[])
        case 'r':
            replaying = TRUE;
            break;
+       case OPTS_VERSION:
+           show_version(argv);
+           ExitProgram(EXIT_SUCCESS);
        default:
-           usage();
-           break;
+           usage(ch == OPTS_USAGE);
+           /* NOTREACHED */
        }
     }
 
@@ -331,6 +333,9 @@ main(int argc, char *argv[])
     curs_set(0);
 
     if (has_colors() && (start_color() == OK) && COLORS >= MAX_ANSI) {
+#if USE_WIDEC_SUPPORT
+       bool using_rgb = FALSE;
+#endif
        static const struct {
            int fg, bg;
        } table[MAX_ANSI] = {
@@ -377,13 +382,13 @@ main(int argc, char *argv[])
                    int r_delta = (r_max / cols);
                    int g_delta = (g_max / cols);
                    int row = 0;
+                   int b = 0;
 
-                   b = 0;
                    using_rgb = TRUE;
                    while (row++ < rows) {
                        int col = 0;
-                       r = 0;
-                       g = g_max;
+                       int r = 0;
+                       int g = g_max;
                        while (col++ < cols) {
                            int color = (((r * (g_max + 1)) + g) * (b_max + 1)
                                         + b + MAX_ANSI);
@@ -403,6 +408,9 @@ main(int argc, char *argv[])
 #endif
        }
        if ((fill_by == 0) && !replaying) {
+#if USE_WIDEC_SUPPORT
+           int cube = 0;
+#endif
            /*
             * Originally (before wide-characters) ncurses supported 16 colors.
             */
@@ -427,8 +435,9 @@ main(int argc, char *argv[])
                cube = 6;
            }
            if (cube != 0) {
-               cube0 = 16;
-               cube1 = cube0 + (cube * cube * cube);
+               int r, g, b;
+               int cube0 = 16;
+               int cube1 = cube0 + (cube * cube * cube);
 
                addch('\n');
                printw("Color cube, %dx%dx%d:\n", cube, cube, cube);
@@ -459,7 +468,6 @@ main(int argc, char *argv[])
                int cols = COLS - 1;
                int row = 0;
 
-               b = 0;
                pair = MAX_ANSI;
                while (row++ < rows) {
                    int col = 0;
@@ -495,7 +503,7 @@ main(int argc, char *argv[])
            }
            move(0, 0);
        } else {
-           exit_curses();
+           stop_curses();
            fprintf(stderr, "Cannot open \"%s\"\n", fill_by);
            ExitProgram(EXIT_FAILURE);
        }
@@ -507,14 +515,14 @@ main(int argc, char *argv[])
         * Use the last file as the initial/current screen.
         */
        if (last < 0) {
-           exit_curses();
+           stop_curses();
            printf("No screen-dumps given\n");
            ExitProgram(EXIT_FAILURE);
        }
 
        which = last;
        if (load_screen(files[which]) == ERR) {
-           exit_curses();
+           stop_curses();
            printf("Cannot load screen-dump %s\n", files[which]);
            ExitProgram(EXIT_FAILURE);
        }
@@ -647,7 +655,7 @@ main(int argc, char *argv[])
 
 #else
 int
-main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+main(void)
 {
     printf("This program requires the screen-dump functions\n");
     ExitProgram(EXIT_FAILURE);