From b3d0682fb94f56a438dbb4fdb2b3440ccc10cfb4 Mon Sep 17 00:00:00 2001 From: Roberto Ierusalimschy Date: Tue, 8 Oct 2002 15:46:08 -0300 Subject: use of different buffers for scanner and concatenation --- lzio.h | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) (limited to 'lzio.h') diff --git a/lzio.h b/lzio.h index e7807ec3..f2fbad90 100644 --- a/lzio.h +++ b/lzio.h @@ -1,5 +1,5 @@ /* -** $Id: lzio.h,v 1.12 2002/06/06 12:40:22 roberto Exp roberto $ +** $Id: lzio.h,v 1.13 2002/08/05 18:45:02 roberto Exp roberto $ ** Buffered streams ** See Copyright Notice in lua.h */ @@ -13,7 +13,7 @@ #define EOZ (-1) /* end of stream */ -typedef struct zio ZIO; +typedef struct Zio ZIO; #define zgetc(z) (((z)->n--)>0 ? \ cast(int, cast(unsigned char, *(z)->p++)) : \ @@ -26,9 +26,30 @@ size_t luaZ_read (ZIO* z, void* b, size_t n); /* read next n bytes */ int luaZ_lookahead (ZIO *z); + +typedef struct Mbuffer { + char *buffer; + size_t buffsize; +} Mbuffer; + + +char *luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n); + +#define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0) + +#define luaZ_sizebuffer(buff) ((buff)->buffsize) +#define luaZ_buffer(buff) ((buff)->buffer) + +#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) + + /* --------- Private Part ------------------ */ -struct zio { +struct Zio { size_t n; /* bytes still unread */ const char *p; /* current position in buffer */ lua_Chunkreader reader; -- cgit v1.2.3-55-g6feb