Mercurial > hg > sv-dependency-builds
diff src/zlib-1.2.7/contrib/infback9/inflate9.h @ 4:e13257ea84a4
Add bzip2, zlib, liblo, portaudio sources
author | Chris Cannam |
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date | Wed, 20 Mar 2013 13:59:52 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/zlib-1.2.7/contrib/infback9/inflate9.h Wed Mar 20 13:59:52 2013 +0000 @@ -0,0 +1,47 @@ +/* inflate9.h -- internal inflate state definition + * Copyright (C) 1995-2003 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* Possible inflate modes between inflate() calls */ +typedef enum { + TYPE, /* i: waiting for type bits, including last-flag bit */ + STORED, /* i: waiting for stored size (length and complement) */ + TABLE, /* i: waiting for dynamic block table lengths */ + LEN, /* i: waiting for length/lit code */ + DONE, /* finished check, done -- remain here until reset */ + BAD /* got a data error -- remain here until reset */ +} inflate_mode; + +/* + State transitions between above modes - + + (most modes can go to the BAD mode -- not shown for clarity) + + Read deflate blocks: + TYPE -> STORED or TABLE or LEN or DONE + STORED -> TYPE + TABLE -> LENLENS -> CODELENS -> LEN + Read deflate codes: + LEN -> LEN or TYPE + */ + +/* state maintained between inflate() calls. Approximately 7K bytes. */ +struct inflate_state { + /* sliding window */ + unsigned char FAR *window; /* allocated sliding window, if needed */ + /* dynamic table building */ + unsigned ncode; /* number of code length code lengths */ + unsigned nlen; /* number of length code lengths */ + unsigned ndist; /* number of distance code lengths */ + unsigned have; /* number of code lengths in lens[] */ + code FAR *next; /* next available space in codes[] */ + unsigned short lens[320]; /* temporary storage for code lengths */ + unsigned short work[288]; /* work area for code table building */ + code codes[ENOUGH]; /* space for code tables */ +};