X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/06dca34c9c4fee65ebeffbaa3278651c8d717765..a15e5ee340857b4763cede846a3fa52915f278cb:/singles.c

diff --git a/singles.c b/singles.c
index d8016ff..2c33337 100644
--- a/singles.c
+++ b/singles.c
@@ -324,7 +324,7 @@ static char n2c(int num) {
 }
 
 static int c2n(char c) {
-    if (isdigit(c))
+    if (isdigit((unsigned char)c))
         return (int)(c - '0');
     else if (c >= 'a' && c <= 'z')
         return (int)(c - 'a' + 10);
@@ -1735,6 +1735,11 @@ static float game_flash_length(game_state *oldstate, game_state *newstate,
     return 0.0F;
 }
 
+static int game_is_solved(game_state *state)
+{
+    return state->completed;
+}
+
 static int game_timing_state(game_state *state, game_ui *ui)
 {
     return TRUE;
@@ -1821,6 +1826,7 @@ const struct game thegame = {
     game_redraw,
     game_anim_length,
     game_flash_length,
+    game_is_solved,
     TRUE, FALSE, game_print_size, game_print,
     FALSE,			       /* wants_statusbar */
     FALSE, game_timing_state,