zlib 1.2.3
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4183 212acab6-be3b-0410-9dea-997c60f758d6
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16 changed files with 578 additions and 134 deletions
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@ -1,5 +1,5 @@
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/* inflate.h -- internal inflate state definition
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* Copyright (C) 1995-2003 Mark Adler
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* Copyright (C) 1995-2004 Mark Adler
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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/* Possible inflate modes between inflate() calls */
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typedef enum {
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HEAD, /* i: waiting for magic header */
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#ifdef GUNZIP
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FLAGS, /* i: waiting for method and flags (gzip) */
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TIME, /* i: waiting for modification time (gzip) */
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OS, /* i: waiting for extra flags and operating system (gzip) */
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NAME, /* i: waiting for end of file name (gzip) */
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COMMENT, /* i: waiting for end of comment (gzip) */
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HCRC, /* i: waiting for header crc (gzip) */
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#endif
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DICTID, /* i: waiting for dictionary check value */
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DICT, /* waiting for inflateSetDictionary() call */
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TYPE, /* i: waiting for type bits, including last-flag bit */
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MATCH, /* o: waiting for output space to copy string */
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LIT, /* o: waiting for output space to write literal */
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CHECK, /* i: waiting for 32-bit check value */
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#ifdef GUNZIP
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LENGTH, /* i: waiting for 32-bit length (gzip) */
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#endif
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DONE, /* finished check, done -- remain here until reset */
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BAD, /* got a data error -- remain here until reset */
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MEM, /* got an inflate() memory error -- remain here until reset */
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@ -84,8 +80,10 @@ struct inflate_state {
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int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
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int havedict; /* true if dictionary provided */
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int flags; /* gzip header method and flags (0 if zlib) */
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unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
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unsigned long check; /* protected copy of check value */
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unsigned long total; /* protected copy of output count */
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gz_headerp head; /* where to save gzip header information */
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/* sliding window */
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unsigned wbits; /* log base 2 of requested window size */
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unsigned wsize; /* window size or zero if not using window */
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