2
** $Id: lzio.h 10334 2005-04-26 22:08:24Z vas $
4
** See Copyright Notice in lua.h
14
#define EOZ (-1) /* end of stream */
16
typedef struct Zio ZIO;
19
#define char2int(c) cast(int, cast(unsigned char, (c)))
21
#define zgetc(z) (((z)->n--)>0 ? char2int(*(z)->p++) : luaZ_fill(z))
23
#define zname(z) ((z)->name)
25
void luaZ_init (ZIO *z, lua_Chunkreader reader, void *data, const char *name);
26
size_t luaZ_read (ZIO* z, void* b, size_t n); /* read next n bytes */
27
int luaZ_lookahead (ZIO *z);
31
typedef struct Mbuffer {
37
char *luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n);
39
#define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0)
41
#define luaZ_sizebuffer(buff) ((buff)->buffsize)
42
#define luaZ_buffer(buff) ((buff)->buffer)
44
#define luaZ_resizebuffer(L, buff, size) \
45
(luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \
46
(buff)->buffsize = size)
48
#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)
51
/* --------- Private Part ------------------ */
54
size_t n; /* bytes still unread */
55
const char *p; /* current position in buffer */
56
lua_Chunkreader reader;
57
void* data; /* additional data */
62
int luaZ_fill (ZIO *z);