X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=test%2Fpadview.c;h=0defee3430e0f2e07047ddebb042f6db2f4363ed;hb=64a793ab50057ecd5143535d3b3ee6bbab06841a;hp=3b4e052ad54b9bb0052f4339c73b2a205aa0e9c8;hpb=b5be26931d6488adcb1ff8bc07df9de378ce0d27;p=ncurses.git

diff --git a/test/padview.c b/test/padview.c
index 3b4e052a..0defee34 100644
--- a/test/padview.c
+++ b/test/padview.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2017 Free Software Foundation, Inc.                        *
+ * Copyright 2019-2021,2022 Thomas E. Dickey                                *
+ * Copyright 2017 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            *
@@ -28,7 +29,7 @@
 /*
  * clone of view.c, using pads
  *
- * $Id: padview.c,v 1.12 2017/10/23 00:37:21 tom Exp $
+ * $Id: padview.c,v 1.22 2022/12/04 00:40:11 tom Exp $
  */
 
 #include <test.priv.h>
@@ -40,10 +41,11 @@
 
 #if HAVE_NEWPAD
 
-static void finish(int sig) GCC_NORETURN;
+static GCC_NORETURN void finish(int sig);
 
 #define my_pair 1
 
+static WINDOW *global_pad;
 static int shift = 0;
 static bool try_color = FALSE;
 
@@ -54,8 +56,6 @@ static int num_lines;
 static bool n_option = FALSE;
 #endif
 
-static void usage(void) GCC_NORETURN;
-
 static void
 failed(const char *msg)
 {
@@ -68,6 +68,8 @@ static void
 finish(int sig)
 {
     endwin();
+    if (global_pad != NULL)
+	delwin(global_pad);
     ExitProgram(sig != 0 ? EXIT_FAILURE : EXIT_SUCCESS);
 }
 
@@ -89,7 +91,7 @@ show_all(const char *tag, WINDOW *my_pad, int my_row)
     _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
 		"view %.*s", (int) strlen(tag), tag);
     i = (int) strlen(temp);
-    _nc_SPRINTF(temp + i, _nc_SLIMIT(sizeof(temp) - i)
+    _nc_SPRINTF(temp + i, _nc_SLIMIT(sizeof(temp) - (size_t) i)
 		" %.*s", (int) sizeof(temp) - i - 2, fname);
     mvprintw(0, 0, "%.*s", COLS, temp);
     this_time = time((time_t *) 0);
@@ -143,9 +145,12 @@ read_file(const char *filename)
     }
 
     len = fread(my_blob, sizeof(char), (size_t) sb.st_size, fp);
-    my_blob[sb.st_size] = '\0';
     fclose(fp);
 
+    if (len > (size_t) sb.st_size)
+	len = (size_t) sb.st_size;
+    my_blob[len] = '\0';
+
     for (pass = 0; pass < 2; ++pass) {
 	char *base = my_blob;
 	k = 0;
@@ -159,12 +164,19 @@ read_file(const char *filename)
 		++k;
 	    }
 	}
+	if (base != (my_blob + j)) {
+	    if (pass)
+		my_vec[k] = base;
+	    ++k;
+	}
 	num_lines = k;
-	if (base != (my_blob + j))
-	    ++num_lines;
-	if (!pass &&
-	    ((my_vec = typeCalloc(char *, (size_t) k + 2)) == 0)) {
-	    failed("cannot allocate line-vector #1");
+	if (pass == 0) {
+	    if (((my_vec = typeCalloc(char *, (size_t) k + 2)) == 0)) {
+		failed("cannot allocate line-vector #1");
+	    }
+	} else {
+	    if (my_vec[0] == NULL)
+		my_vec[0] = my_blob;
 	}
     }
 
@@ -191,7 +203,7 @@ read_file(const char *filename)
 	failed("cannot allocate pad workspace");
     if (try_color) {
 	wattrset(my_pad, COLOR_PAIR(my_pair));
-	wbkgd(my_pad, (chtype) COLOR_PAIR(my_pair));
+	wbkgd(my_pad, (chtype) (' ' | COLOR_PAIR(my_pair)));
     }
 
     /*
@@ -236,12 +248,13 @@ read_file(const char *filename)
 }
 
 static void
-usage(void)
+usage(int ok)
 {
     static const char *msg[] =
     {
 	"Usage: view [options] file"
 	,""
+	,USAGE_COMMON
 	,"Options:"
 	," -c       use color if terminal supports it"
 	," -i       ignore INT, QUIT, TERM signals"
@@ -257,8 +270,11 @@ usage(void)
     size_t 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[])
@@ -288,6 +304,7 @@ main(int argc, char *argv[])
 	0
     };
 
+    int ch;
     int i;
     int my_delay = 0;
     WINDOW *my_pad;
@@ -301,8 +318,8 @@ main(int argc, char *argv[])
 
     setlocale(LC_ALL, "");
 
-    while ((i = getopt(argc, argv, "cinstT:")) != -1) {
-	switch (i) {
+    while ((ch = getopt(argc, argv, OPTS_COMMON "cinstT:")) != -1) {
+	switch (ch) {
 	case 'c':
 	    try_color = TRUE;
 	    break;
@@ -323,20 +340,24 @@ main(int argc, char *argv[])
 		char *next = 0;
 		int tvalue = (int) strtol(optarg, &next, 0);
 		if (tvalue < 0 || (next != 0 && *next != 0))
-		    usage();
-		trace((unsigned) tvalue);
+		    usage(FALSE);
+		curses_trace((unsigned) tvalue);
 	    }
 	    break;
 	case 't':
-	    trace(TRACE_CALLS);
+	    curses_trace(TRACE_CALLS);
 	    break;
 #endif
+	case OPTS_VERSION:
+	    show_version(argv);
+	    ExitProgram(EXIT_SUCCESS);
 	default:
-	    usage();
+	    usage(ch == OPTS_USAGE);
+	    /* NOTREACHED */
 	}
     }
     if (optind + 1 != argc)
-	usage();
+	usage(FALSE);
 
     InitAndCatch(initscr(), ignore_sigs ? SIG_IGN : finish);
     keypad(stdscr, TRUE);	/* enable keyboard mapping */
@@ -347,18 +368,23 @@ main(int argc, char *argv[])
 	nodelay(stdscr, TRUE);
     idlok(stdscr, TRUE);	/* allow use of insert/delete line */
 
-    my_pad = read_file(fname = argv[optind]);
-
     if (try_color) {
 	if (has_colors()) {
 	    start_color();
 	    init_pair(my_pair, COLOR_WHITE, COLOR_BLUE);
-	    bkgd((chtype) COLOR_PAIR(my_pair));
+	    bkgd((chtype) (' ' | COLOR_PAIR(my_pair)));
 	} else {
 	    try_color = FALSE;
 	}
     }
 
+    /*
+     * Do this after starting color, otherwise the pad's background will be
+     * uncolored after the ncurses 6.1.20181208 fixes.
+     */
+    global_pad =
+	my_pad = read_file(fname = argv[optind]);
+
     my_row = 0;
     while (!done) {
 	int n, c;