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https://github.com/scummvm/scummvm.git
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Pawel Kolodziejski
46 lines
794 B
C++
46 lines
794 B
C++
/*
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** $Id$
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** Buffered streams
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** See Copyright Notice in lua.h
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*/
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#ifndef lzio_h
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#define lzio_h
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#include <common/sys.h>
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namespace Common {
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class File;
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}
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// For Lua only
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#define zopen luaZ_mopen
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#define EOZ (-1) // end of stream
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typedef struct zio ZIO;
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ZIO *zopen(ZIO *z, const char *b, int32 size, const char *name);
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int32 zread(ZIO *z, void *b, int32 n); // read next n bytes
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int32 zgeteoz(ZIO *);
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#define zgetc(z) (--(z)->n >= 0 ? ((int32)*(z)->p++): zgeteoz(z))
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#define zungetc(z) (++(z)->n, --(z)->p)
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#define zname(z) ((z)->name)
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// --------- Private Part ------------------
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#define ZBSIZE 256 // buffer size
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struct zio {
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int32 n; // bytes still unread
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const byte *p; // current position in buffer
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const char *name;
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byte buffer[ZBSIZE]; // buffer
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};
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#endif
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