X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=advent.h;h=fbdd580e4dd2b73220f730ac65fba556fd7157a8;hp=788d65934e8b88cea5019e40136927f5ed261456;hb=876fbb2f78bc63b3c99091ab658042f578b3df35;hpb=9e2cb3c19196a26af8e20803314f42b69dc0e014

diff --git a/advent.h b/advent.h
index 788d659..fbdd580 100644
--- a/advent.h
+++ b/advent.h
@@ -8,9 +8,9 @@
 
 /* LCG PRNG parameters tested against
  * Knuth vol. 2. by the original authors */
-#define LCG_A 1093
-#define LCG_C 221587
-#define LCG_M 1048576
+#define LCG_A 1093L
+#define LCG_C 221587L
+#define LCG_M 1048576L
 
 #define LINESIZE       1024
 #define TOKLEN         5          // № sigificant characters in a token */
@@ -119,7 +119,7 @@ typedef long loc_t;    // index into the locations array */
 typedef long turn_t;   // turn counter or threshold */
 
 struct game_t {
-    int64_t lcg_x;
+    int32_t lcg_x;
     long abbnum;                 // How often to print long descriptions
     score_t bonus;               // What kind of finishing bonus we are getting
     loc_t chloc;                 // pirate chest location
@@ -232,7 +232,7 @@ extern int restore(FILE *);
 extern long initialise(void);
 extern int action(command_t command);
 extern void state_change(obj_t, int);
-
+extern bool is_valid(struct game_t);
 
 void bug(enum bugtype, const char *) __attribute__((__noreturn__));