mirror of
https://github.com/UberGames/rpgxEF.git
synced 2025-02-15 16:41:16 +00:00
a39565b783
... not quite content with where the project files lie but it is ok for now. ... compiling works fine so far (only tested mingw32 right now)
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
|
|
** $Id: lzio.h,v 1.22 2009/05/18 17:26:25 roberto Exp $
|
|
** Buffered streams
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
|
|
#ifndef lzio_h
|
|
#define lzio_h
|
|
|
|
#include "lua.h"
|
|
|
|
#include "lmem.h"
|
|
|
|
|
|
#define EOZ (-1) /* end of stream */
|
|
|
|
typedef struct Zio ZIO;
|
|
|
|
#define char2int(c) cast(int, cast(unsigned char, (c)))
|
|
|
|
#define zgetc(z) (((z)->n--)>0 ? char2int(*(z)->p++) : luaZ_fill(z))
|
|
|
|
#define zungetc(z) ((z)->n++, (z)->p--)
|
|
|
|
|
|
typedef struct Mbuffer {
|
|
char *buffer;
|
|
size_t n;
|
|
size_t buffsize;
|
|
} Mbuffer;
|
|
|
|
#define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0)
|
|
|
|
#define luaZ_buffer(buff) ((buff)->buffer)
|
|
#define luaZ_sizebuffer(buff) ((buff)->buffsize)
|
|
#define luaZ_bufflen(buff) ((buff)->n)
|
|
|
|
#define luaZ_resetbuffer(buff) ((buff)->n = 0)
|
|
|
|
|
|
#define luaZ_resizebuffer(L, buff, size) \
|
|
(luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \
|
|
(buff)->buffsize = size)
|
|
|
|
#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)
|
|
|
|
|
|
LUAI_FUNC char *luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n);
|
|
LUAI_FUNC void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader,
|
|
void *data);
|
|
LUAI_FUNC size_t luaZ_read (ZIO* z, void* b, size_t n); /* read next n bytes */
|
|
LUAI_FUNC int luaZ_lookahead (ZIO *z);
|
|
|
|
|
|
|
|
/* --------- Private Part ------------------ */
|
|
|
|
struct Zio {
|
|
size_t n; /* bytes still unread */
|
|
const char *p; /* current position in buffer */
|
|
lua_Reader reader;
|
|
void* data; /* additional data */
|
|
lua_State *L; /* Lua state (for reader) */
|
|
};
|
|
|
|
|
|
LUAI_FUNC int luaZ_fill (ZIO *z);
|
|
|
|
#endif
|