X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/72c00e192fb66abf24878b8ea90ccc9eba8287b2..34b1f700231ad00e8dc1243703a92a5717d140d1:/magnets.c

diff --git a/magnets.c b/magnets.c
index c970eee..7af3d86 100644
--- a/magnets.c
+++ b/magnets.c
@@ -386,7 +386,7 @@ static char n2c(int num) { /* XXX cloned from singles.c */
 }
 
 static int c2n(char c) { /* XXX cloned from singles.c */
-    if (isdigit(c))
+    if (isdigit((unsigned char)c))
         return (int)(c - '0');
     else if (c >= 'a' && c <= 'z')
         return (int)(c - 'a' + 10);
@@ -1809,8 +1809,10 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
             movech = ' ';
         else
             movech = '.';
-    } else
+    } else {
         assert(!"unknown action");
+	movech = 0;		       /* placate optimiser */
+    }
 
     sprintf(buf, "%c%d,%d", movech, gx, gy);
 
@@ -2550,7 +2552,6 @@ int main(int argc, const char *argv[])
     err = validate_desc(p, desc);
     if (err) {
         fprintf(stderr, "%s: %s\nDescription: %s\n", quis, err, desc);
-        free_params(p);
         goto done;
     }
     s = new_game(NULL, p, desc);