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[src/trunk]: src/games/cgram cgram: allow providing an input file instead of ...



details:   https://anonhg.NetBSD.org/src/rev/bce0600662f2
branches:  trunk
changeset: 961844:bce0600662f2
user:      wiz <wiz%NetBSD.org@localhost>
date:      Thu Apr 22 14:57:36 2021 +0000

description:
cgram: allow providing an input file instead of the random fortune

diffstat:

 games/cgram/cgram.6 |  15 +++++++++------
 games/cgram/cgram.c |  48 +++++++++++++++++++++++++++++++++++-------------
 2 files changed, 44 insertions(+), 19 deletions(-)

diffs (134 lines):

diff -r 1007678f0106 -r bce0600662f2 games/cgram/cgram.6
--- a/games/cgram/cgram.6       Thu Apr 22 10:26:24 2021 +0000
+++ b/games/cgram/cgram.6       Thu Apr 22 14:57:36 2021 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: cgram.6,v 1.2 2013/08/04 07:55:09 wiz Exp $
+.\" $NetBSD: cgram.6,v 1.3 2021/04/22 14:57:36 wiz Exp $
 .\"
 .\" Copyright (c) 2004, 2013 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,21 +27,24 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd August 3, 2013
+.Dd April 22, 2021
 .Dt CGRAM 6
 .Os
 .Sh NAME
 .Nm cgram
 .Nd solve Sunday-paper cryptograms
 .Sh SYNOPSIS
-.Nm
+.Nm Op Ar file
 .Sh DESCRIPTION
 .Nm
 is a curses-based widget for solving Sunday-paper-type cryptograms
 based on substitution ciphers.
-A random cleartext is chosen using
-.Xr fortune 6
-and a random substitution key is generated.
+If
+.Ar file
+is given, it is used as cleartext, otherwise a random cleartext is
+chosen using
+.Xr fortune 6 ;
+either way, a random substitution key is generated.
 .Pp
 The ciphertext is displayed.
 Typing a letter changes the key so that the letter under the cursor
diff -r 1007678f0106 -r bce0600662f2 games/cgram/cgram.c
--- a/games/cgram/cgram.c       Thu Apr 22 10:26:24 2021 +0000
+++ b/games/cgram/cgram.c       Thu Apr 22 14:57:36 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cgram.c,v 1.17 2021/02/26 15:18:40 rillig Exp $ */
+/* $NetBSD: cgram.c,v 1.18 2021/04/22 14:57:36 wiz Exp $ */
 
 /*-
  * Copyright (c) 2013, 2021 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: cgram.c,v 1.17 2021/02/26 15:18:40 rillig Exp $");
+__RCSID("$NetBSD: cgram.c,v 1.18 2021/04/22 14:57:36 wiz Exp $");
 #endif
 
 #include <assert.h>
@@ -216,13 +216,7 @@
        return lines.v[cursor_y].s[cursor_x];
 }
 
-static void
-readquote(void)
-{
-       FILE *f = popen(_PATH_FORTUNE, "r");
-       if (f == NULL)
-               err(1, "%s", _PATH_FORTUNE);
-
+static void getquote(FILE *f) {
        struct string line;
        string_init(&line);
 
@@ -249,6 +243,30 @@
        extent_y = (int)lines.num;
        for (int i = 0; i < extent_y; i++)
                extent_x = imax(extent_x, (int)lines.v[i].len);
+}
+
+static void
+readfile(const char *name)
+{
+       FILE *f = fopen(name, "r");
+       if (f == NULL)
+               err(1, "%s", name);
+
+       getquote(f);
+
+       if (fclose(f) != 0)
+               exit(1);
+}
+
+
+static void
+readquote(void)
+{
+       FILE *f = popen(_PATH_FORTUNE, "r");
+       if (f == NULL)
+               err(1, "%s", _PATH_FORTUNE);
+
+       getquote(f);
 
        if (pclose(f) != 0)
                exit(1); /* error message must come from child process */
@@ -535,12 +553,16 @@
 }
 
 static void
-init(void)
+init(const char *filename)
 {
        stringarray_init(&lines);
        stringarray_init(&sollines);
        srandom((unsigned int)time(NULL));
-       readquote();
+       if (filename) {
+           readfile(filename);
+       } else {
+           readquote();
+       }
        encode();
 
        initscr();
@@ -573,9 +595,9 @@
 ////////////////////////////////////////////////////////////
 
 int
-main(void)
+main(int argc, char *argv[])
 {
-       init();
+       init(argc > 1 ? argv[1] : NULL);
        loop();
        clean_up();
 }



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