X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=advent.h;h=1162106f3a3b6a18399634ba93de11ec9fcf4076;hb=4369284c75828ca78e7ab7ad3dfe732d3538c132;hp=faf298e04af52eee8aed786dbfcecd0b56c235b1;hpb=3640e5cb96db9057dec008b05e69d27676ecbfbb;p=open-adventure.git

diff --git a/advent.h b/advent.h
index faf298e..1162106 100644
--- a/advent.h
+++ b/advent.h
@@ -178,7 +178,7 @@ struct game_t {
     int saved;                   // point penalty for saves
     int tally;                   // count of treasures gained
     int thresh;                  // current threshold for endgame scoring tier
-    bool seenbigwords;           // have we red the grafitti in the Giant's Room? 
+    bool seenbigwords;           // have we red the graffiti in the Giant's Room? 
     turn_t trnluz;               // # points lost so far due to turns used
     turn_t turns;                // counts commands given (ignores yes/no)
     char zzword[TOKLEN + 1];     // randomly generated magic word from bird
@@ -190,8 +190,8 @@ struct game_t {
     loc_t fixed[NOBJECTS + 1];   // fixed location of object (if  not IS_FREE)
     obj_t link[NOBJECTS * 2 + 1];// object-list links
     loc_t place[NOBJECTS + 1];   // location of object
-    int hinted[NHINTS];          // hinted[i] = true iff hint i has been used.
-    int hintlc[NHINTS];          // hintlc[i] = how int at LOC with cond bit i
+    bool hinted[NHINTS];         // hinted[i] = true iff hint i has been used.
+    int hintlc[NHINTS];          // hintlc[i] = show int at LOC with cond bit i
     int prop[NOBJECTS + 1];      // object state array */
 };
 
@@ -233,7 +233,12 @@ typedef struct {
  * files afterwards.  Otherwise you will get a spurious failure due to the old version
  * having been generated into a check file.
  */
-#define SAVE_VERSION	29
+#define SAVE_VERSION	30
+
+/*
+ * Goes at start of file so saves can be identified by file(1) and the like.
+ */
+#define ADVENT_MAGIC	"open-adventure\n"
 
 /*
  * If you change the first three members, the resume function may not properly
@@ -241,9 +246,9 @@ typedef struct {
  * when you do that.
  */
 struct save_t {
-    int64_t savetime;
-    int32_t mode;		/* not used, must be present for version detection */
+    char magic[sizeof(ADVENT_MAGIC)];
     int32_t version;
+    int32_t canary;
     struct game_t game;
 };
 
@@ -273,7 +278,7 @@ extern void set_seed(int32_t);
 extern int32_t randrange(int32_t);
 extern int score(enum termination);
 extern void terminate(enum termination) __attribute__((noreturn));
-extern int savefile(FILE *, int32_t);
+extern int savefile(FILE *);
 #if defined ADVENT_AUTOSAVE
 extern void autosave(void);
 #endif