From 8a0a167adbf3d9b6f8b6f16aaf20ca39ad5549de Mon Sep 17 00:00:00 2001 From: jacqueline Date: Sun, 12 Nov 2023 19:14:09 +1100 Subject: Convert the main menu screen to lua lol --- lib/esp-idf-lua/lua/lzio.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 lib/esp-idf-lua/lua/lzio.h (limited to 'lib/esp-idf-lua/lua/lzio.h') diff --git a/lib/esp-idf-lua/lua/lzio.h b/lib/esp-idf-lua/lua/lzio.h new file mode 100644 index 00000000..38f397fd --- /dev/null +++ b/lib/esp-idf-lua/lua/lzio.h @@ -0,0 +1,66 @@ +/* +** $Id: lzio.h $ +** 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 zgetc(z) (((z)->n--)>0 ? cast_uchar(*(z)->p++) : luaZ_fill(z)) + + +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_buffremove(buff,i) ((buff)->n -= (i)) +#define luaZ_resetbuffer(buff) ((buff)->n = 0) + + +#define luaZ_resizebuffer(L, buff, size) \ + ((buff)->buffer = luaM_reallocvchar(L, (buff)->buffer, \ + (buff)->buffsize, size), \ + (buff)->buffsize = size) + +#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0) + + +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 */ + + + +/* --------- Private Part ------------------ */ + +struct Zio { + size_t n; /* bytes still unread */ + const char *p; /* current position in buffer */ + lua_Reader reader; /* reader function */ + void *data; /* additional data */ + lua_State *L; /* Lua state (for reader) */ +}; + + +LUAI_FUNC int luaZ_fill (ZIO *z); + +#endif -- cgit v1.2.3