extras.lua

ffi.cdef[[
typedef void *(*spallocf)(void *ptr, size_t size, void *arg);
typedef int (*spcmpf)(char *a, size_t asz, char *b, size_t bsz, void *arg);

typedef enum {
	/* env related */
	SPDIR,     /* uint32_t, char* */
	SPALLOC,   /* spallocf, void* */
	SPCMP,     /* spcmpf, void* */
	SPPAGE,    /* uint32_t */
	SPGC,      /* int */
	SPGCF,     /* double */
	SPGROW,    /* uint32_t, double */
	SPMERGE,   /* int */
	SPMERGEWM, /* uint32_t */
	/* db related */
	SPMERGEFORCE,
	/* unrelated */
	SPVERSION  /* uint32_t*, uint32_t* */
} spopt;

typedef enum {
	SPO_RDONLY = 1,
	SPO_RDWR   = 2,
	SPO_CREAT  = 4,
	SPO_SYNC   = 8
} spflags;

typedef enum {
	SPGT,
	SPGTE,
	SPLT,
	SPLTE
} sporder;

typedef struct {
	uint32_t epoch;
	uint64_t psn;
	uint32_t repn;
	uint32_t repndb;
	uint32_t repnxfer;
	uint32_t catn;
	uint32_t indexn;
	uint32_t indexpages;
} spstat;
]]