X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=test%2Fsavescreen.c;h=3ea619306a84b9c91df254a93e644c4ee4c64a66;hb=d1a029866f6d84087781eaa81de19949d8533426;hp=da00d7534dc45ec365ddaa95b1c30dfd0dfba474;hpb=47d2fb4537d9ad5bb14f4810561a327930ca4280;p=ncurses.git

diff --git a/test/savescreen.c b/test/savescreen.c
index da00d753..3ea61930 100644
--- a/test/savescreen.c
+++ b/test/savescreen.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * 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  *
@@ -27,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: savescreen.c,v 1.57 2020/02/02 23:34:34 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
@@ -86,9 +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]);
 	}
@@ -169,7 +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;
@@ -198,7 +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);
@@ -254,24 +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[])
@@ -285,19 +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;
@@ -311,9 +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 */
 	}
     }
 
@@ -332,6 +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] = {
@@ -378,13 +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);
@@ -404,6 +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.
 	     */
@@ -428,8 +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);
@@ -460,7 +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;
@@ -648,7 +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);