X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=grid4.c;h=989e38dae1c3a2d4435e68b5d1d6fbc3daf3ff24;hb=0a8d1f741a919c9c7e5ae0b8d0261759cca9bc05;hp=96cb5e387283d651eedf1da4440ab0fd706a3fd5;hpb=896bfd48616953ca8cbe848953b46abdb20f78a3;p=wordgame

diff --git a/grid4.c b/grid4.c
index 96cb5e3..989e38d 100644
--- a/grid4.c
+++ b/grid4.c
@@ -19,16 +19,28 @@
 #include "grid.h"
 #include "word-game.h"
 
+#include <string.h>
 #include <sys/time.h>
 #include <time.h>
 
 #define GAME_LENGTH (3 * 60)
 int
-main (void)
+main (int argc, char *argv[])
 {
     dict_t dict, solution;
     grid_t grid;
     struct timeval tv;
+    const char *letters = NULL;
+
+    if (argc > 1) {
+	if (argc == 2) {
+	    letters = argv[1];
+	} else {
+	    fprintf (stderr, "Usage: %s [letters]\n", argv[0]);
+	    fprintf (stderr, "Uses the given 16 letters or else a random grid.\n");
+	    return 1;
+	}
+    }
 
     gettimeofday (&tv, NULL);
     srand (tv.tv_sec ^ tv.tv_usec);
@@ -36,7 +48,9 @@ main (void)
     dict_init (&dict);
     dict_add_words_from_file (&dict, "words.txt");
 
-    grid_init (&grid);
+    grid_init (&grid, 4);
+    if (letters)
+	grid_set_letters (&grid, letters);
 
     dict_init (&solution);
     grid_solve (&grid, &dict, &solution);