1 files changed, 6 insertions, 2 deletions

diff --git a/shell/shell.c b/shell/shell.c
index 1ef1a39..2a2720f 100644
--- a/shell/shell.c
+++ b/shell/shell.c
@@ -1,4 +1,5 @@
 #include <inttypes.h>
+#include <limits.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <stdbool.h>
@@ -482,6 +483,9 @@ solve_exec(args_t *args)
                 return -1;
         }
 
+        if (args->maxsolutions == 0)
+                args->maxsolutions = args->optimal >= 0 ? UINT_MAX : 1;
+
         buf = malloc(size);
         read = fread(buf, size, 1, file);
         fclose(file);
@@ -578,8 +582,8 @@ parse_args(int argc, char **argv, args_t *args)
                 .str_nisstype = "",
                 .minmoves = 0,
                 .maxmoves = 20,
-                .optimal = -1,
-                .maxsolutions = 1,
+                .optimal = 20,
+                .maxsolutions = 0,
                 .threads = 0,
         };