Initial checkin of a portable framework for writing small GUI puzzle

games.

[originally from svn r4138]

puzzles.h

@@ -0,0 +1,61 @@
+/*
+ * puzzles.h: header file for my puzzle collection
+ */
+
+#ifndef PUZZLES_PUZZLES_H
+#define PUZZLES_PUZZLES_H
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#define lenof(array) ( sizeof(array) / sizeof(*(array)) )
+
+enum {
+    LEFT_BUTTON = 0x1000,
+    MIDDLE_BUTTON,
+    RIGHT_BUTTON
+};
+
+/*
+ * Platform routines
+ */
+void fatal(char *fmt, ...);
+
+/*
+ * malloc.c
+ */
+void *smalloc(int size);
+void *srealloc(void *p, int size);
+void sfree(void *p);
+char *dupstr(char *s);
+#define snew(type) \
+    ( (type *) smalloc (sizeof (type)) )
+#define snewn(number, type) \
+    ( (type *) smalloc ((number) * sizeof (type)) )
+#define sresize(array, number, type) \
+    ( (type *) srealloc ((array), (len) * sizeof (type)) )
+
+/*
+ * random.c
+ */
+typedef struct random_state random_state;
+random_state *random_init(char *seed, int len);
+unsigned long random_upto(random_state *state, unsigned long limit);
+void random_free(random_state *state);
+
+/*
+ * Game-specific routines
+ */
+typedef struct game_params game_params;
+typedef struct game_state game_state;
+char *new_game_seed(game_params *params);
+game_state *new_game(game_params *params, char *seed);
+game_state *dup_game(game_state *state);
+void free_game(game_state *state);
+game_state *make_move(game_state *from, int x, int y, int button);
+
+#endif /* PUZZLES_PUZZLES_H */