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authorVolker Lendecke <vl@samba.org>2008-09-19 08:01:23 +0200
committerVolker Lendecke <vl@samba.org>2008-12-17 12:57:18 +0100
commit390f19b649b85a8f8ab762c6a4e9d1a3d23d3f47 (patch)
tree9f9506e36222640d23b086d62b32de940c526a98 /source3/lua-5.1.4/src/lzio.h
parent081f8883bafc11ca7c08f868ec19f1ea32071837 (diff)
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Add the Lua distibution from http://www.lua.org/ftp/lua-5.1.4.tar.gz
Available under the MIT license. Adding it to see how the build farm likes it. They claim to be 100% pure ANSI C and compile everywhere. Lets see. If it breaks badly, we can remove it again.
Diffstat (limited to 'source3/lua-5.1.4/src/lzio.h')
-rw-r--r--source3/lua-5.1.4/src/lzio.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/source3/lua-5.1.4/src/lzio.h b/source3/lua-5.1.4/src/lzio.h
new file mode 100644
index 0000000000..51d695d8c1
--- /dev/null
+++ b/source3/lua-5.1.4/src/lzio.h
@@ -0,0 +1,67 @@
+/*
+** $Id: lzio.h,v 1.21.1.1 2007/12/27 13:02:25 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))
+
+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