From: Paul Marquess Date: Thu, 21 Jul 2005 10:06:06 +0000 (+0100) Subject: Compress::Zlib 1.35 X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=06edba159bc4e4b34ce6253ab0bc6ef61de4c848;p=p5sagit%2Fp5-mst-13.2.git Compress::Zlib 1.35 From: "Paul Marquess" Message-Id: <20050721090634.CA4E61F0003@mx1.mandriva.com> p4raw-id: //depot/perl@25205 --- diff --git a/MANIFEST b/MANIFEST index 71f207a..ecd5fd1 100644 --- a/MANIFEST +++ b/MANIFEST @@ -170,28 +170,28 @@ ext/Compress/Zlib/t/04encoding.t Compress::Zlib ext/Compress/Zlib/t/05gzsetp.t Compress::Zlib ext/Compress/Zlib/t/06gzdopen.t Compress::Zlib ext/Compress/Zlib/typemap Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/adler32.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/compress.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/crc32.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/crc32.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/deflate.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/deflate.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/gzio.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/infback.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inffast.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inffast.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inffixed.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inflate.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inflate.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inftrees.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/inftrees.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/trees.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/trees.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/uncompr.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/zconf.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/zlib.h Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/zutil.c Compress::Zlib -ext/Compress/Zlib/zlib-src-1.2.2/zutil.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/adler32.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/compress.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/crc32.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/crc32.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/deflate.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/deflate.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/gzio.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/infback.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inffast.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inffast.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inffixed.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inflate.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inflate.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inftrees.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/inftrees.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/trees.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/trees.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/uncompr.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/zconf.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/zlib.h Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/zutil.c Compress::Zlib +ext/Compress/Zlib/zlib-src-1.2.3/zutil.h Compress::Zlib ext/Data/Dumper/Changes Data pretty printer, changelog ext/Data/Dumper/Dumper.pm Data pretty printer, module ext/Data/Dumper/Dumper.xs Data pretty printer, externals diff --git a/ext/Compress/Zlib/Changes b/ext/Compress/Zlib/Changes index 617cc1b..13a385e 100644 --- a/ext/Compress/Zlib/Changes +++ b/ext/Compress/Zlib/Changes @@ -1,6 +1,26 @@ CHANGES ------- + 1.35 - 16 July 2005 + + * Updated zlib source to 1.2.3 + + * Fixed problem with where two calls to gzclose would hang the debugger. + See https://rt.cpan.org/Ticket/Display.html?id=13789 + + * Added code from Alexey Tourbin to use XSLoader when available, + and DynaLoader otherwise. + + * Documented that the compress & uncompress functions were not + the same as the Unix utilities of the same name. + + * Fixed 05gzsetp -- it left a temp file hanging around. + + * Integrate core change 24787 - SvUPGRADE returns void in blead + + * Integrate core change 24788 - Makefile.PL adjustments for the core + + 1.34 - 30 January 2005 * Fixed typo in the README diff --git a/ext/Compress/Zlib/README b/ext/Compress/Zlib/README index 8b899bf..e1634c0 100644 --- a/ext/Compress/Zlib/README +++ b/ext/Compress/Zlib/README @@ -1,8 +1,8 @@ Compress::Zlib - Version 1.34 + Version 1.35 - 30 January 2005 + 18 July 2005 Copyright (c) 1995-2005 Paul Marquess. All rights reserved. This program is free software; you can redistribute it and/or diff --git a/ext/Compress/Zlib/Zlib.pm b/ext/Compress/Zlib/Zlib.pm index 71c6706..59d4b8c 100644 --- a/ext/Compress/Zlib/Zlib.pm +++ b/ext/Compress/Zlib/Zlib.pm @@ -1,7 +1,7 @@ # File : Zlib.pm # Author : Paul Marquess # Created : 30 January 2005 -# Version : 1.34 +# Version : 1.35 # # Copyright (c) 1995-2005 Paul Marquess. All rights reserved. # This program is free software; you can redistribute it and/or @@ -12,7 +12,6 @@ package Compress::Zlib; require 5.004 ; require Exporter; -require DynaLoader; use AutoLoader; use Carp ; use IO::Handle ; @@ -22,9 +21,9 @@ use warnings ; our ($VERSION, @ISA, @EXPORT, $AUTOLOAD); our ($deflateDefault, $deflateParamsDefault, $inflateDefault); -$VERSION = "1.34_01" ; +$VERSION = "1.35" ; -@ISA = qw(Exporter DynaLoader); +@ISA = qw(Exporter); # Items to export into callers namespace by default. Note: do not export # names by default without a very good reason. Use EXPORT_OK instead. # Do not simply export all your public functions/methods/constants. @@ -44,6 +43,7 @@ $VERSION = "1.34_01" ; crc32 ZLIB_VERSION + ZLIB_VERNUM DEF_WBITS OS_CODE @@ -91,7 +91,14 @@ sub AUTOLOAD { goto &{$AUTOLOAD}; } -bootstrap Compress::Zlib $VERSION ; +eval { + require XSLoader; + XSLoader::load('Compress::Zlib', $VERSION); +} or do { + require DynaLoader; + local @ISA = qw(DynaLoader); + bootstrap Compress::Zlib $VERSION ; +} ; # Preloaded methods go here. diff --git a/ext/Compress/Zlib/Zlib.xs b/ext/Compress/Zlib/Zlib.xs index a9f6297..c6fd54d 100644 --- a/ext/Compress/Zlib/Zlib.xs +++ b/ext/Compress/Zlib/Zlib.xs @@ -1,7 +1,7 @@ /* Filename: Zlib.xs * Author : Paul Marquess, * Created : 30 January 2005 - * Version : 1.34 + * Version : 1.35 * * Copyright (c) 1995-2005 Paul Marquess. All rights reserved. * This program is free software; you can redistribute it and/or @@ -348,6 +348,21 @@ BOOT: char* Zip_zlib_version() +unsigned +ZLIB_VERNUM() + CODE: +#ifdef ZLIB_VERNUM + RETVAL = ZLIB_VERNUM ; +#else + /* 1.1.4 => 0x1140 */ + RETVAL = (ZLIB_VERSION[0] - '0') << 12 ; + RETVAL += (ZLIB_VERSION[2] - '0') << 8 ; + RETVAL += (ZLIB_VERSION[4] - '0') << 4 ; +#endif + OUTPUT: + RETVAL + + void DispStream(s, message=NULL) @@ -501,7 +516,7 @@ Zip_gzflush(file, flush) CLEANUP: SetGzError(file->gz) ; -#define Zip_gzclose(file) gzclose(file->gz) +#define Zip_gzclose(file) file->closed ? 0 : gzclose(file->gz) int Zip_gzclose(file) Compress::Zlib::gzFile file diff --git a/ext/Compress/Zlib/config.in b/ext/Compress/Zlib/config.in index 88c1061..052e792 100755 --- a/ext/Compress/Zlib/config.in +++ b/ext/Compress/Zlib/config.in @@ -1,8 +1,8 @@ # Filename: config.in # # written by Paul Marquess -# last modified 30th January 2005 -# version 1.34 +# last modified 18th July 2005 +# version 1.35 # # # This file is used to control which zlib library will be used by @@ -12,8 +12,8 @@ # Compress::Zlib" in the README file for details of how to use this file. BUILD_ZLIB = True -INCLUDE = ./zlib-src-1.2.2 -LIB = ./zlib-src-1.2.2 +INCLUDE = ./zlib-src-1.2.3 +LIB = ./zlib-src-1.2.3 OLD_ZLIB = False diff --git a/ext/Compress/Zlib/t/05gzsetp.t b/ext/Compress/Zlib/t/05gzsetp.t index 5c524c9..79573d8 100644 --- a/ext/Compress/Zlib/t/05gzsetp.t +++ b/ext/Compress/Zlib/t/05gzsetp.t @@ -5,26 +5,13 @@ use warnings ; use Compress::Zlib ; -BEGIN +if (Compress::Zlib::ZLIB_VERNUM() < 0x1060 ) { - my $ver = Compress::Zlib::zlib_version(); - if (defined $ver && $ver =~ /^(\d+)\.(\d+)\.(\d+)/ ) - { - my $sum = $1 * 1000000 + $2 * 1000 + $3 ; - - if ($sum < 1_000_006) { - print "1..0 # Skip: gzsetparams needs zlib 1.0.6 or better. You have $ver\n"; - exit 0; - } - } - else - { - print "1..0 # Skip: gzsetparams needs zlib 1.0.6 or better.\n"; - exit 0; - } + print "1..0 # gzsetparams needs zlib 1.0.6 or better. You have $ver\n"; + exit 0 ; } - + sub ok { my ($no, $ok) = @_ ; @@ -82,3 +69,4 @@ ok(1, Compress::Zlib::zlib_version eq ZLIB_VERSION) ; ok(11, ! $k->gzclose ) ; unlink $name ; } + diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/adler32.c b/ext/Compress/Zlib/zlib-src-1.2.2/adler32.c deleted file mode 100644 index 624a169..0000000 --- a/ext/Compress/Zlib/zlib-src-1.2.2/adler32.c +++ /dev/null @@ -1,74 +0,0 @@ -/* adler32.c -- compute the Adler-32 checksum of a data stream - * Copyright (C) 1995-2003 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#define ZLIB_INTERNAL -#include "zlib.h" - -#define BASE 65521UL /* largest prime smaller than 65536 */ -#define NMAX 5552 -/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ - -#define DO1(buf,i) {s1 += buf[i]; s2 += s1;} -#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1); -#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2); -#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); -#define DO16(buf) DO8(buf,0); DO8(buf,8); - -#ifdef NO_DIVIDE -# define MOD(a) \ - do { \ - if (a >= (BASE << 16)) a -= (BASE << 16); \ - if (a >= (BASE << 15)) a -= (BASE << 15); \ - if (a >= (BASE << 14)) a -= (BASE << 14); \ - if (a >= (BASE << 13)) a -= (BASE << 13); \ - if (a >= (BASE << 12)) a -= (BASE << 12); \ - if (a >= (BASE << 11)) a -= (BASE << 11); \ - if (a >= (BASE << 10)) a -= (BASE << 10); \ - if (a >= (BASE << 9)) a -= (BASE << 9); \ - if (a >= (BASE << 8)) a -= (BASE << 8); \ - if (a >= (BASE << 7)) a -= (BASE << 7); \ - if (a >= (BASE << 6)) a -= (BASE << 6); \ - if (a >= (BASE << 5)) a -= (BASE << 5); \ - if (a >= (BASE << 4)) a -= (BASE << 4); \ - if (a >= (BASE << 3)) a -= (BASE << 3); \ - if (a >= (BASE << 2)) a -= (BASE << 2); \ - if (a >= (BASE << 1)) a -= (BASE << 1); \ - if (a >= BASE) a -= BASE; \ - } while (0) -#else -# define MOD(a) a %= BASE -#endif - -/* ========================================================================= */ -uLong ZEXPORT adler32(adler, buf, len) - uLong adler; - const Bytef *buf; - uInt len; -{ - unsigned long s1 = adler & 0xffff; - unsigned long s2 = (adler >> 16) & 0xffff; - int k; - - if (buf == Z_NULL) return 1L; - - while (len > 0) { - k = len < NMAX ? (int)len : NMAX; - len -= k; - while (k >= 16) { - DO16(buf); - buf += 16; - k -= 16; - } - if (k != 0) do { - s1 += *buf++; - s2 += s1; - } while (--k); - MOD(s1); - MOD(s2); - } - return (s2 << 16) | s1; -} diff --git a/ext/Compress/Zlib/zlib-src-1.2.3/adler32.c b/ext/Compress/Zlib/zlib-src-1.2.3/adler32.c new file mode 100644 index 0000000..007ba26 --- /dev/null +++ b/ext/Compress/Zlib/zlib-src-1.2.3/adler32.c @@ -0,0 +1,149 @@ +/* adler32.c -- compute the Adler-32 checksum of a data stream + * Copyright (C) 1995-2004 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#define ZLIB_INTERNAL +#include "zlib.h" + +#define BASE 65521UL /* largest prime smaller than 65536 */ +#define NMAX 5552 +/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ + +#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;} +#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1); +#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2); +#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); +#define DO16(buf) DO8(buf,0); DO8(buf,8); + +/* use NO_DIVIDE if your processor does not do division in hardware */ +#ifdef NO_DIVIDE +# define MOD(a) \ + do { \ + if (a >= (BASE << 16)) a -= (BASE << 16); \ + if (a >= (BASE << 15)) a -= (BASE << 15); \ + if (a >= (BASE << 14)) a -= (BASE << 14); \ + if (a >= (BASE << 13)) a -= (BASE << 13); \ + if (a >= (BASE << 12)) a -= (BASE << 12); \ + if (a >= (BASE << 11)) a -= (BASE << 11); \ + if (a >= (BASE << 10)) a -= (BASE << 10); \ + if (a >= (BASE << 9)) a -= (BASE << 9); \ + if (a >= (BASE << 8)) a -= (BASE << 8); \ + if (a >= (BASE << 7)) a -= (BASE << 7); \ + if (a >= (BASE << 6)) a -= (BASE << 6); \ + if (a >= (BASE << 5)) a -= (BASE << 5); \ + if (a >= (BASE << 4)) a -= (BASE << 4); \ + if (a >= (BASE << 3)) a -= (BASE << 3); \ + if (a >= (BASE << 2)) a -= (BASE << 2); \ + if (a >= (BASE << 1)) a -= (BASE << 1); \ + if (a >= BASE) a -= BASE; \ + } while (0) +# define MOD4(a) \ + do { \ + if (a >= (BASE << 4)) a -= (BASE << 4); \ + if (a >= (BASE << 3)) a -= (BASE << 3); \ + if (a >= (BASE << 2)) a -= (BASE << 2); \ + if (a >= (BASE << 1)) a -= (BASE << 1); \ + if (a >= BASE) a -= BASE; \ + } while (0) +#else +# define MOD(a) a %= BASE +# define MOD4(a) a %= BASE +#endif + +/* ========================================================================= */ +uLong ZEXPORT adler32(adler, buf, len) + uLong adler; + const Bytef *buf; + uInt len; +{ + unsigned long sum2; + unsigned n; + + /* split Adler-32 into component sums */ + sum2 = (adler >> 16) & 0xffff; + adler &= 0xffff; + + /* in case user likes doing a byte at a time, keep it fast */ + if (len == 1) { + adler += buf[0]; + if (adler >= BASE) + adler -= BASE; + sum2 += adler; + if (sum2 >= BASE) + sum2 -= BASE; + return adler | (sum2 << 16); + } + + /* initial Adler-32 value (deferred check for len == 1 speed) */ + if (buf == Z_NULL) + return 1L; + + /* in case short lengths are provided, keep it somewhat fast */ + if (len < 16) { + while (len--) { + adler += *buf++; + sum2 += adler; + } + if (adler >= BASE) + adler -= BASE; + MOD4(sum2); /* only added so many BASE's */ + return adler | (sum2 << 16); + } + + /* do length NMAX blocks -- requires just one modulo operation */ + while (len >= NMAX) { + len -= NMAX; + n = NMAX / 16; /* NMAX is divisible by 16 */ + do { + DO16(buf); /* 16 sums unrolled */ + buf += 16; + } while (--n); + MOD(adler); + MOD(sum2); + } + + /* do remaining bytes (less than NMAX, still just one modulo) */ + if (len) { /* avoid modulos if none remaining */ + while (len >= 16) { + len -= 16; + DO16(buf); + buf += 16; + } + while (len--) { + adler += *buf++; + sum2 += adler; + } + MOD(adler); + MOD(sum2); + } + + /* return recombined sums */ + return adler | (sum2 << 16); +} + +/* ========================================================================= */ +uLong ZEXPORT adler32_combine(adler1, adler2, len2) + uLong adler1; + uLong adler2; + z_off_t len2; +{ + unsigned long sum1; + unsigned long sum2; + unsigned rem; + + /* the derivation of this formula is left as an exercise for the reader */ + rem = (unsigned)(len2 % BASE); + sum1 = adler1 & 0xffff; + sum2 = rem * sum1; + MOD(sum2); + sum1 += (adler2 & 0xffff) + BASE - 1; + sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem; + if (sum1 > BASE) sum1 -= BASE; + if (sum1 > BASE) sum1 -= BASE; + if (sum2 > (BASE << 1)) sum2 -= (BASE << 1); + if (sum2 > BASE) sum2 -= BASE; + return sum1 | (sum2 << 16); +} diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/compress.c b/ext/Compress/Zlib/zlib-src-1.2.3/compress.c similarity index 98% rename from ext/Compress/Zlib/zlib-src-1.2.2/compress.c rename to ext/Compress/Zlib/zlib-src-1.2.3/compress.c index 24ef029..df04f01 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/compress.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/compress.c @@ -1,5 +1,5 @@ /* compress.c -- compress a memory buffer - * Copyright (C) 1995-2002 Jean-loup Gailly. + * Copyright (C) 1995-2003 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/crc32.c b/ext/Compress/Zlib/zlib-src-1.2.3/crc32.c similarity index 79% rename from ext/Compress/Zlib/zlib-src-1.2.2/crc32.c rename to ext/Compress/Zlib/zlib-src-1.2.3/crc32.c index b39c7e1..f658a9e 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/crc32.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/crc32.c @@ -1,12 +1,12 @@ /* crc32.c -- compute the CRC-32 of a data stream - * Copyright (C) 1995-2003 Mark Adler + * Copyright (C) 1995-2005 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h * * Thanks to Rodney Brown for his contribution of faster * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing * tables for updating the shift register in one step with three exclusive-ors - * instead of four steps with four exclusive-ors. This results about a factor - * of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3. + * instead of four steps with four exclusive-ors. This results in about a + * factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3. */ /* @(#) $Id$ */ @@ -64,6 +64,11 @@ # define TBLS 1 #endif /* BYFOUR */ +/* Local functions for crc concatenation */ +local unsigned long gf2_matrix_times OF((unsigned long *mat, + unsigned long vec)); +local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat)); + #ifdef DYNAMIC_CRC_TABLE local volatile int crc_table_empty = 1; @@ -72,7 +77,6 @@ local void make_crc_table OF((void)); #ifdef MAKECRCH local void write_table OF((FILE *, const unsigned long FAR *)); #endif /* MAKECRCH */ - /* Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. @@ -270,7 +274,7 @@ local unsigned long crc32_little(crc, buf, len) len--; } - buf4 = (const u4 FAR *)buf; + buf4 = (const u4 FAR *)(const void FAR *)buf; while (len >= 32) { DOLIT32; len -= 32; @@ -310,7 +314,7 @@ local unsigned long crc32_big(crc, buf, len) len--; } - buf4 = (const u4 FAR *)buf; + buf4 = (const u4 FAR *)(const void FAR *)buf; buf4--; while (len >= 32) { DOBIG32; @@ -331,3 +335,89 @@ local unsigned long crc32_big(crc, buf, len) } #endif /* BYFOUR */ + +#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */ + +/* ========================================================================= */ +local unsigned long gf2_matrix_times(mat, vec) + unsigned long *mat; + unsigned long vec; +{ + unsigned long sum; + + sum = 0; + while (vec) { + if (vec & 1) + sum ^= *mat; + vec >>= 1; + mat++; + } + return sum; +} + +/* ========================================================================= */ +local void gf2_matrix_square(square, mat) + unsigned long *square; + unsigned long *mat; +{ + int n; + + for (n = 0; n < GF2_DIM; n++) + square[n] = gf2_matrix_times(mat, mat[n]); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine(crc1, crc2, len2) + uLong crc1; + uLong crc2; + z_off_t len2; +{ + int n; + unsigned long row; + unsigned long even[GF2_DIM]; /* even-power-of-two zeros operator */ + unsigned long odd[GF2_DIM]; /* odd-power-of-two zeros operator */ + + /* degenerate case */ + if (len2 == 0) + return crc1; + + /* put operator for one zero bit in odd */ + odd[0] = 0xedb88320L; /* CRC-32 polynomial */ + row = 1; + for (n = 1; n < GF2_DIM; n++) { + odd[n] = row; + row <<= 1; + } + + /* put operator for two zero bits in even */ + gf2_matrix_square(even, odd); + + /* put operator for four zero bits in odd */ + gf2_matrix_square(odd, even); + + /* apply len2 zeros to crc1 (first square will put the operator for one + zero byte, eight zero bits, in even) */ + do { + /* apply zeros operator for this bit of len2 */ + gf2_matrix_square(even, odd); + if (len2 & 1) + crc1 = gf2_matrix_times(even, crc1); + len2 >>= 1; + + /* if no more bits set, then done */ + if (len2 == 0) + break; + + /* another iteration of the loop with odd and even swapped */ + gf2_matrix_square(odd, even); + if (len2 & 1) + crc1 = gf2_matrix_times(odd, crc1); + len2 >>= 1; + + /* if no more bits set, then done */ + } while (len2 != 0); + + /* return combined crc */ + crc1 ^= crc2; + return crc1; +} diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/crc32.h b/ext/Compress/Zlib/zlib-src-1.2.3/crc32.h similarity index 100% rename from ext/Compress/Zlib/zlib-src-1.2.2/crc32.h rename to ext/Compress/Zlib/zlib-src-1.2.3/crc32.h diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/deflate.c b/ext/Compress/Zlib/zlib-src-1.2.3/deflate.c similarity index 84% rename from ext/Compress/Zlib/zlib-src-1.2.2/deflate.c rename to ext/Compress/Zlib/zlib-src-1.2.3/deflate.c index 0fc53bc..29ce1f6 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/deflate.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/deflate.c @@ -1,5 +1,5 @@ /* deflate.c -- compress data using the deflation algorithm - * Copyright (C) 1995-2004 Jean-loup Gailly. + * Copyright (C) 1995-2005 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -52,7 +52,7 @@ #include "deflate.h" const char deflate_copyright[] = - " deflate 1.2.2 Copyright 1995-2004 Jean-loup Gailly "; + " deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -264,7 +264,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, #endif if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED || windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || - strategy < 0 || strategy > Z_RLE) { + strategy < 0 || strategy > Z_FIXED) { return Z_STREAM_ERROR; } if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */ @@ -274,6 +274,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, s->strm = strm; s->wrap = wrap; + s->gzhead = Z_NULL; s->w_bits = windowBits; s->w_size = 1 << s->w_bits; s->w_mask = s->w_size - 1; @@ -333,9 +334,7 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) if (length < MIN_MATCH) return Z_OK; if (length > MAX_DIST(s)) { length = MAX_DIST(s); -#ifndef USE_DICT_HEAD dictionary += dictLength - length; /* use the tail of the dictionary */ -#endif } zmemcpy(s->window, dictionary, length); s->strstart = length; @@ -391,6 +390,17 @@ int ZEXPORT deflateReset (strm) } /* ========================================================================= */ +int ZEXPORT deflateSetHeader (strm, head) + z_streamp strm; + gz_headerp head; +{ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + if (strm->state->wrap != 2) return Z_STREAM_ERROR; + strm->state->gzhead = head; + return Z_OK; +} + +/* ========================================================================= */ int ZEXPORT deflatePrime (strm, bits, value) z_streamp strm; int bits; @@ -420,7 +430,7 @@ int ZEXPORT deflateParams(strm, level, strategy) #else if (level == Z_DEFAULT_COMPRESSION) level = 6; #endif - if (level < 0 || level > 9 || strategy < 0 || strategy > Z_RLE) { + if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) { return Z_STREAM_ERROR; } func = configuration_table[s->level].func; @@ -440,6 +450,25 @@ int ZEXPORT deflateParams(strm, level, strategy) return err; } +/* ========================================================================= */ +int ZEXPORT deflateTune(strm, good_length, max_lazy, nice_length, max_chain) + z_streamp strm; + int good_length; + int max_lazy; + int nice_length; + int max_chain; +{ + deflate_state *s; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + s = strm->state; + s->good_match = good_length; + s->max_lazy_match = max_lazy; + s->nice_match = nice_length; + s->max_chain_length = max_chain; + return Z_OK; +} + /* ========================================================================= * For the default windowBits of 15 and memLevel of 8, this function returns * a close to exact, as well as small, upper bound on the compressed size. @@ -548,20 +577,47 @@ int ZEXPORT deflate (strm, flush) if (s->status == INIT_STATE) { #ifdef GZIP if (s->wrap == 2) { + strm->adler = crc32(0L, Z_NULL, 0); put_byte(s, 31); put_byte(s, 139); put_byte(s, 8); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, 0); - put_byte(s, s->level == 9 ? 2 : - (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? - 4 : 0)); - put_byte(s, 255); - s->status = BUSY_STATE; - strm->adler = crc32(0L, Z_NULL, 0); + if (s->gzhead == NULL) { + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, OS_CODE); + s->status = BUSY_STATE; + } + else { + put_byte(s, (s->gzhead->text ? 1 : 0) + + (s->gzhead->hcrc ? 2 : 0) + + (s->gzhead->extra == Z_NULL ? 0 : 4) + + (s->gzhead->name == Z_NULL ? 0 : 8) + + (s->gzhead->comment == Z_NULL ? 0 : 16) + ); + put_byte(s, (Byte)(s->gzhead->time & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff)); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, s->gzhead->os & 0xff); + if (s->gzhead->extra != NULL) { + put_byte(s, s->gzhead->extra_len & 0xff); + put_byte(s, (s->gzhead->extra_len >> 8) & 0xff); + } + if (s->gzhead->hcrc) + strm->adler = crc32(strm->adler, s->pending_buf, + s->pending); + s->gzindex = 0; + s->status = EXTRA_STATE; + } } else #endif @@ -592,6 +648,110 @@ int ZEXPORT deflate (strm, flush) strm->adler = adler32(0L, Z_NULL, 0); } } +#ifdef GZIP + if (s->status == EXTRA_STATE) { + if (s->gzhead->extra != NULL) { + uInt beg = s->pending; /* start of bytes to update crc */ + + while (s->gzindex < (s->gzhead->extra_len & 0xffff)) { + if (s->pending == s->pending_buf_size) { + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + flush_pending(strm); + beg = s->pending; + if (s->pending == s->pending_buf_size) + break; + } + put_byte(s, s->gzhead->extra[s->gzindex]); + s->gzindex++; + } + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + if (s->gzindex == s->gzhead->extra_len) { + s->gzindex = 0; + s->status = NAME_STATE; + } + } + else + s->status = NAME_STATE; + } + if (s->status == NAME_STATE) { + if (s->gzhead->name != NULL) { + uInt beg = s->pending; /* start of bytes to update crc */ + int val; + + do { + if (s->pending == s->pending_buf_size) { + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + flush_pending(strm); + beg = s->pending; + if (s->pending == s->pending_buf_size) { + val = 1; + break; + } + } + val = s->gzhead->name[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + if (val == 0) { + s->gzindex = 0; + s->status = COMMENT_STATE; + } + } + else + s->status = COMMENT_STATE; + } + if (s->status == COMMENT_STATE) { + if (s->gzhead->comment != NULL) { + uInt beg = s->pending; /* start of bytes to update crc */ + int val; + + do { + if (s->pending == s->pending_buf_size) { + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + flush_pending(strm); + beg = s->pending; + if (s->pending == s->pending_buf_size) { + val = 1; + break; + } + } + val = s->gzhead->comment[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + if (val == 0) + s->status = HCRC_STATE; + } + else + s->status = HCRC_STATE; + } + if (s->status == HCRC_STATE) { + if (s->gzhead->hcrc) { + if (s->pending + 2 > s->pending_buf_size) + flush_pending(strm); + if (s->pending + 2 <= s->pending_buf_size) { + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + strm->adler = crc32(0L, Z_NULL, 0); + s->status = BUSY_STATE; + } + } + else + s->status = BUSY_STATE; + } +#endif /* Flush as much pending output as possible */ if (s->pending != 0) { @@ -704,7 +864,12 @@ int ZEXPORT deflateEnd (strm) if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; status = strm->state->status; - if (status != INIT_STATE && status != BUSY_STATE && + if (status != INIT_STATE && + status != EXTRA_STATE && + status != NAME_STATE && + status != COMMENT_STATE && + status != HCRC_STATE && + status != BUSY_STATE && status != FINISH_STATE) { return Z_STREAM_ERROR; } @@ -744,12 +909,12 @@ int ZEXPORT deflateCopy (dest, source) ss = source->state; - *dest = *source; + zmemcpy(dest, source, sizeof(z_stream)); ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); if (ds == Z_NULL) return Z_MEM_ERROR; dest->state = (struct internal_state FAR *) ds; - *ds = *ss; + zmemcpy(ds, ss, sizeof(deflate_state)); ds->strm = dest; ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); @@ -838,9 +1003,11 @@ local void lm_init (s) s->match_length = s->prev_length = MIN_MATCH-1; s->match_available = 0; s->ins_h = 0; +#ifndef FASTEST #ifdef ASMV match_init(); /* initialize the asm code */ #endif +#endif } #ifndef FASTEST @@ -909,7 +1076,12 @@ local uInt longest_match(s, cur_match) match = s->window + cur_match; /* Skip to next match if the match length cannot increase - * or if the match length is less than 2: + * or if the match length is less than 2. Note that the checks below + * for insufficient lookahead only occur occasionally for performance + * reasons. Therefore uninitialized memory will be accessed, and + * conditional jumps will be made that depend on those values. + * However the length of the match is limited to the lookahead, so + * the output of deflate is not affected by the uninitialized values. */ #if (defined(UNALIGNED_OK) && MAX_MATCH == 258) /* This code assumes sizeof(unsigned short) == 2. Do not use @@ -1131,6 +1303,7 @@ local void fill_window(s) later. (Using level 0 permanently is not an optimal usage of zlib, so we don't care about this pathological case.) */ + /* %%% avoid this when Z_RLE */ n = s->hash_size; p = &s->head[n]; do { @@ -1309,12 +1482,12 @@ local block_state deflate_fast(s, flush) * of the string with itself at the start of the input file). */ #ifdef FASTEST - if ((s->strategy < Z_HUFFMAN_ONLY) || + if ((s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) || (s->strategy == Z_RLE && s->strstart - hash_head == 1)) { s->match_length = longest_match_fast (s, hash_head); } #else - if (s->strategy < Z_HUFFMAN_ONLY) { + if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) { s->match_length = longest_match (s, hash_head); } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) { s->match_length = longest_match_fast (s, hash_head); @@ -1418,7 +1591,7 @@ local block_state deflate_slow(s, flush) * of window index 0 (in particular we have to avoid a match * of the string with itself at the start of the input file). */ - if (s->strategy < Z_HUFFMAN_ONLY) { + if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) { s->match_length = longest_match (s, hash_head); } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) { s->match_length = longest_match_fast (s, hash_head); @@ -1500,3 +1673,64 @@ local block_state deflate_slow(s, flush) return flush == Z_FINISH ? finish_done : block_done; } #endif /* FASTEST */ + +#if 0 +/* =========================================================================== + * For Z_RLE, simply look for runs of bytes, generate matches only of distance + * one. Do not maintain a hash table. (It will be regenerated if this run of + * deflate switches away from Z_RLE.) + */ +local block_state deflate_rle(s, flush) + deflate_state *s; + int flush; +{ + int bflush; /* set if current block must be flushed */ + uInt run; /* length of run */ + uInt max; /* maximum length of run */ + uInt prev; /* byte at distance one to match */ + Bytef *scan; /* scan for end of run */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the longest encodable run. + */ + if (s->lookahead < MAX_MATCH) { + fill_window(s); + if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* See how many times the previous byte repeats */ + run = 0; + if (s->strstart > 0) { /* if there is a previous byte, that is */ + max = s->lookahead < MAX_MATCH ? s->lookahead : MAX_MATCH; + scan = s->window + s->strstart - 1; + prev = *scan++; + do { + if (*scan++ != prev) + break; + } while (++run < max); + } + + /* Emit match if have run of MIN_MATCH or longer, else emit literal */ + if (run >= MIN_MATCH) { + check_match(s, s->strstart, s->strstart - 1, run); + _tr_tally_dist(s, 1, run - MIN_MATCH, bflush); + s->lookahead -= run; + s->strstart += run; + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit (s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + FLUSH_BLOCK(s, flush == Z_FINISH); + return flush == Z_FINISH ? finish_done : block_done; +} +#endif diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/deflate.h b/ext/Compress/Zlib/zlib-src-1.2.3/deflate.h similarity index 97% rename from ext/Compress/Zlib/zlib-src-1.2.2/deflate.h rename to ext/Compress/Zlib/zlib-src-1.2.3/deflate.h index 410681d..05a5ab3 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/deflate.h +++ b/ext/Compress/Zlib/zlib-src-1.2.3/deflate.h @@ -1,5 +1,5 @@ /* deflate.h -- internal compression state - * Copyright (C) 1995-2002 Jean-loup Gailly + * Copyright (C) 1995-2004 Jean-loup Gailly * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -49,6 +49,10 @@ /* All codes must not exceed MAX_BITS bits */ #define INIT_STATE 42 +#define EXTRA_STATE 69 +#define NAME_STATE 73 +#define COMMENT_STATE 91 +#define HCRC_STATE 103 #define BUSY_STATE 113 #define FINISH_STATE 666 /* Stream status */ @@ -93,8 +97,10 @@ typedef struct internal_state { Bytef *pending_buf; /* output still pending */ ulg pending_buf_size; /* size of pending_buf */ Bytef *pending_out; /* next pending byte to output to the stream */ - int pending; /* nb of bytes in the pending buffer */ + uInt pending; /* nb of bytes in the pending buffer */ int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ + gz_headerp gzhead; /* gzip header information to write */ + uInt gzindex; /* where in extra, name, or comment */ Byte method; /* STORED (for zip only) or DEFLATED */ int last_flush; /* value of flush param for previous deflate call */ diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/gzio.c b/ext/Compress/Zlib/zlib-src-1.2.3/gzio.c similarity index 95% rename from ext/Compress/Zlib/zlib-src-1.2.2/gzio.c rename to ext/Compress/Zlib/zlib-src-1.2.3/gzio.c index 5e71b0a..7e90f49 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/gzio.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/gzio.c @@ -1,5 +1,5 @@ /* gzio.c -- IO on .gz files - * Copyright (C) 1995-2003 Jean-loup Gailly. + * Copyright (C) 1995-2005 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h * * Compile this file with -DNO_GZCOMPRESS to avoid the compression code. @@ -11,7 +11,7 @@ #include "zutil.h" -#ifdef NO_DEFLATE /* for compatiblity with old definition */ +#ifdef NO_DEFLATE /* for compatibility with old definition */ # define NO_GZCOMPRESS #endif @@ -220,7 +220,7 @@ gzFile ZEXPORT gzdopen (fd, mode) int fd; const char *mode; { - char name[20]; + char name[46]; /* allow for up to 128-bit integers */ if (fd < 0) return (gzFile)Z_NULL; sprintf(name, "", fd); /* for debugging */ @@ -264,7 +264,7 @@ local int get_byte(s) if (s->z_eof) return EOF; if (s->stream.avail_in == 0) { errno = 0; - s->stream.avail_in = fread(s->inbuf, 1, Z_BUFSIZE, s->file); + s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); if (s->stream.avail_in == 0) { s->z_eof = 1; if (ferror(s->file)) s->z_err = Z_ERRNO; @@ -300,7 +300,7 @@ local void check_header(s) if (len < 2) { if (len) s->inbuf[0] = s->stream.next_in[0]; errno = 0; - len = fread(s->inbuf + len, 1, Z_BUFSIZE >> len, s->file); + len = (uInt)fread(s->inbuf + len, 1, Z_BUFSIZE >> len, s->file); if (len == 0 && ferror(s->file)) s->z_err = Z_ERRNO; s->stream.avail_in += len; s->stream.next_in = s->inbuf; @@ -415,6 +415,7 @@ int ZEXPORT gzread (file, buf, len) s->stream.avail_out--; s->back = EOF; s->out++; + start++; if (s->last) { s->z_err = Z_STREAM_END; return 1; @@ -436,8 +437,8 @@ int ZEXPORT gzread (file, buf, len) s->stream.avail_in -= n; } if (s->stream.avail_out > 0) { - s->stream.avail_out -= fread(next_out, 1, s->stream.avail_out, - s->file); + s->stream.avail_out -= + (uInt)fread(next_out, 1, s->stream.avail_out, s->file); } len -= s->stream.avail_out; s->in += len; @@ -448,17 +449,13 @@ int ZEXPORT gzread (file, buf, len) if (s->stream.avail_in == 0 && !s->z_eof) { errno = 0; - s->stream.avail_in = fread(s->inbuf, 1, Z_BUFSIZE, s->file); + s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); if (s->stream.avail_in == 0) { s->z_eof = 1; if (ferror(s->file)) { s->z_err = Z_ERRNO; break; } - if (feof(s->file)) { /* avoid error for empty file */ - s->z_err = Z_STREAM_END; - break; - } } s->stream.next_in = s->inbuf; } @@ -492,6 +489,9 @@ int ZEXPORT gzread (file, buf, len) } s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); + if (len == s->stream.avail_out && + (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO)) + return -1; return (int)(len - s->stream.avail_out); } @@ -903,6 +903,18 @@ int ZEXPORT gzeof (file) } /* =========================================================================== + Returns 1 if reading and doing so transparently, otherwise zero. +*/ +int ZEXPORT gzdirect (file) + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'r') return 0; + return s->transparent; +} + +/* =========================================================================== Outputs a long in LSB order to the given file */ local void putLong (file, x) @@ -941,7 +953,6 @@ local uLong getLong (s) int ZEXPORT gzclose (file) gzFile file; { - int err; gz_stream *s = (gz_stream*)file; if (s == NULL) return Z_STREAM_ERROR; @@ -950,8 +961,8 @@ int ZEXPORT gzclose (file) #ifdef NO_GZCOMPRESS return Z_STREAM_ERROR; #else - err = do_flush (file, Z_FINISH); - if (err != Z_OK) return destroy((gz_stream*)file); + if (do_flush (file, Z_FINISH) != Z_OK) + return destroy((gz_stream*)file); putLong (s->file, s->crc); putLong (s->file, (uLong)(s->in & 0xffffffff)); @@ -960,10 +971,16 @@ int ZEXPORT gzclose (file) return destroy((gz_stream*)file); } +#ifdef STDC +# define zstrerror(errnum) strerror(errnum) +#else +# define zstrerror(errnum) "" +#endif + /* =========================================================================== - Returns the error message for the last error which occured on the + Returns the error message for the last error which occurred on the given compressed file. errnum is set to zlib error number. If an - error occured in the file system and not in the compression library, + error occurred in the file system and not in the compression library, errnum is set to Z_ERRNO and the application may consult errno to get the exact error code. */ diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/infback.c b/ext/Compress/Zlib/zlib-src-1.2.3/infback.c similarity index 99% rename from ext/Compress/Zlib/zlib-src-1.2.2/infback.c rename to ext/Compress/Zlib/zlib-src-1.2.3/infback.c index 262f97c..455dbc9 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/infback.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/infback.c @@ -1,5 +1,5 @@ /* infback.c -- inflate using a call-back interface - * Copyright (C) 1995-2003 Mark Adler + * Copyright (C) 1995-2005 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -26,7 +26,7 @@ local void fixedtables OF((struct inflate_state FAR *state)); window and output buffer that is 2**windowBits bytes. */ int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size) -z_stream FAR *strm; +z_streamp strm; int windowBits; unsigned char FAR *window; const char *version; @@ -50,7 +50,8 @@ int stream_size; sizeof(struct inflate_state)); if (state == Z_NULL) return Z_MEM_ERROR; Tracev((stderr, "inflate: allocated\n")); - strm->state = (voidpf)state; + strm->state = (struct internal_state FAR *)state; + state->dmax = 32768U; state->wbits = windowBits; state->wsize = 1U << windowBits; state->window = window; @@ -238,7 +239,7 @@ struct inflate_state FAR *state; are not correct, i.e. strm is Z_NULL or the state was not initialized. */ int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc) -z_stream FAR *strm; +z_streamp strm; in_func in; void FAR *in_desc; out_func out; @@ -611,7 +612,7 @@ void FAR *out_desc; } int ZEXPORT inflateBackEnd(strm) -z_stream FAR *strm; +z_streamp strm; { if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) return Z_STREAM_ERROR; diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inffast.c b/ext/Compress/Zlib/zlib-src-1.2.3/inffast.c similarity index 97% rename from ext/Compress/Zlib/zlib-src-1.2.2/inffast.c rename to ext/Compress/Zlib/zlib-src-1.2.3/inffast.c index 8c02a17..bbee92e 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/inffast.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/inffast.c @@ -74,6 +74,9 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ unsigned char FAR *out; /* local strm->next_out */ unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ unsigned char FAR *end; /* while out < end, enough space available */ +#ifdef INFLATE_STRICT + unsigned dmax; /* maximum distance from zlib header */ +#endif unsigned wsize; /* window size or zero if not using window */ unsigned whave; /* valid bytes in the window */ unsigned write; /* window write index */ @@ -98,6 +101,9 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ out = strm->next_out - OFF; beg = out - (start - strm->avail_out); end = out + (strm->avail_out - 257); +#ifdef INFLATE_STRICT + dmax = state->dmax; +#endif wsize = state->wsize; whave = state->whave; write = state->write; @@ -167,6 +173,13 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ } } dist += (unsigned)hold & ((1U << op) - 1); +#ifdef INFLATE_STRICT + if (dist > dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif hold >>= op; bits -= op; Tracevv((stderr, "inflate: distance %u\n", dist)); diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inffast.h b/ext/Compress/Zlib/zlib-src-1.2.3/inffast.h similarity index 100% rename from ext/Compress/Zlib/zlib-src-1.2.2/inffast.h rename to ext/Compress/Zlib/zlib-src-1.2.3/inffast.h diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inffixed.h b/ext/Compress/Zlib/zlib-src-1.2.3/inffixed.h similarity index 100% rename from ext/Compress/Zlib/zlib-src-1.2.2/inffixed.h rename to ext/Compress/Zlib/zlib-src-1.2.3/inffixed.h diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inflate.c b/ext/Compress/Zlib/zlib-src-1.2.3/inflate.c similarity index 91% rename from ext/Compress/Zlib/zlib-src-1.2.2/inflate.c rename to ext/Compress/Zlib/zlib-src-1.2.3/inflate.c index c6d3826..792fdee 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/inflate.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/inflate.c @@ -1,5 +1,5 @@ /* inflate.c -- zlib decompression - * Copyright (C) 1995-2003 Mark Adler + * Copyright (C) 1995-2005 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -113,8 +113,11 @@ z_streamp strm; state->mode = HEAD; state->last = 0; state->havedict = 0; + state->dmax = 32768U; + state->head = Z_NULL; state->wsize = 0; state->whave = 0; + state->write = 0; state->hold = 0; state->bits = 0; state->lencode = state->distcode = state->next = state->codes; @@ -122,6 +125,22 @@ z_streamp strm; return Z_OK; } +int ZEXPORT inflatePrime(strm, bits, value) +z_streamp strm; +int bits; +int value; +{ + struct inflate_state FAR *state; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (bits > 16 || state->bits + bits > 32) return Z_STREAM_ERROR; + value &= (1L << bits) - 1; + state->hold += value << state->bits; + state->bits += bits; + return Z_OK; +} + int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) z_streamp strm; int windowBits; @@ -144,7 +163,7 @@ int stream_size; ZALLOC(strm, 1, sizeof(struct inflate_state)); if (state == Z_NULL) return Z_MEM_ERROR; Tracev((stderr, "inflate: allocated\n")); - strm->state = (voidpf)state; + strm->state = (struct internal_state FAR *)state; if (windowBits < 0) { state->wrap = 0; windowBits = -windowBits; @@ -582,6 +601,8 @@ int flush; break; } state->flags = 0; /* expect zlib header */ + if (state->head != Z_NULL) + state->head->done = -1; if (!(state->wrap & 1) || /* check if zlib header allowed */ #else if ( @@ -597,11 +618,13 @@ int flush; break; } DROPBITS(4); - if (BITS(4) + 8 > state->wbits) { + len = BITS(4) + 8; + if (len > state->wbits) { strm->msg = (char *)"invalid window size"; state->mode = BAD; break; } + state->dmax = 1U << len; Tracev((stderr, "inflate: zlib header ok\n")); strm->adler = state->check = adler32(0L, Z_NULL, 0); state->mode = hold & 0x200 ? DICTID : TYPE; @@ -621,16 +644,24 @@ int flush; state->mode = BAD; break; } + if (state->head != Z_NULL) + state->head->text = (int)((hold >> 8) & 1); if (state->flags & 0x0200) CRC2(state->check, hold); INITBITS(); state->mode = TIME; case TIME: NEEDBITS(32); + if (state->head != Z_NULL) + state->head->time = hold; if (state->flags & 0x0200) CRC4(state->check, hold); INITBITS(); state->mode = OS; case OS: NEEDBITS(16); + if (state->head != Z_NULL) { + state->head->xflags = (int)(hold & 0xff); + state->head->os = (int)(hold >> 8); + } if (state->flags & 0x0200) CRC2(state->check, hold); INITBITS(); state->mode = EXLEN; @@ -638,15 +669,26 @@ int flush; if (state->flags & 0x0400) { NEEDBITS(16); state->length = (unsigned)(hold); + if (state->head != Z_NULL) + state->head->extra_len = (unsigned)hold; if (state->flags & 0x0200) CRC2(state->check, hold); INITBITS(); } + else if (state->head != Z_NULL) + state->head->extra = Z_NULL; state->mode = EXTRA; case EXTRA: if (state->flags & 0x0400) { copy = state->length; if (copy > have) copy = have; if (copy) { + if (state->head != Z_NULL && + state->head->extra != Z_NULL) { + len = state->head->extra_len - state->length; + zmemcpy(state->head->extra + len, next, + len + copy > state->head->extra_max ? + state->head->extra_max - len : copy); + } if (state->flags & 0x0200) state->check = crc32(state->check, next, copy); have -= copy; @@ -655,6 +697,7 @@ int flush; } if (state->length) goto inf_leave; } + state->length = 0; state->mode = NAME; case NAME: if (state->flags & 0x0800) { @@ -662,13 +705,20 @@ int flush; copy = 0; do { len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->name != Z_NULL && + state->length < state->head->name_max) + state->head->name[state->length++] = len; } while (len && copy < have); - if (state->flags & 0x02000) + if (state->flags & 0x0200) state->check = crc32(state->check, next, copy); have -= copy; next += copy; if (len) goto inf_leave; } + else if (state->head != Z_NULL) + state->head->name = Z_NULL; + state->length = 0; state->mode = COMMENT; case COMMENT: if (state->flags & 0x1000) { @@ -676,13 +726,19 @@ int flush; copy = 0; do { len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->comment != Z_NULL && + state->length < state->head->comm_max) + state->head->comment[state->length++] = len; } while (len && copy < have); - if (state->flags & 0x02000) + if (state->flags & 0x0200) state->check = crc32(state->check, next, copy); have -= copy; next += copy; if (len) goto inf_leave; } + else if (state->head != Z_NULL) + state->head->comment = Z_NULL; state->mode = HCRC; case HCRC: if (state->flags & 0x0200) { @@ -694,6 +750,10 @@ int flush; } INITBITS(); } + if (state->head != Z_NULL) { + state->head->hcrc = (int)((state->flags >> 9) & 1); + state->head->done = 1; + } strm->adler = state->check = crc32(0L, Z_NULL, 0); state->mode = TYPE; break; @@ -969,6 +1029,13 @@ int flush; state->offset += BITS(state->extra); DROPBITS(state->extra); } +#ifdef INFLATE_STRICT + if (state->offset > state->dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif if (state->offset > state->whave + out - left) { strm->msg = (char *)"invalid distance too far back"; state->mode = BAD; @@ -1110,12 +1177,16 @@ uInt dictLength; /* check state */ if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; state = (struct inflate_state FAR *)strm->state; - if (state->mode != DICT) return Z_STREAM_ERROR; + if (state->wrap != 0 && state->mode != DICT) + return Z_STREAM_ERROR; /* check for correct dictionary id */ - id = adler32(0L, Z_NULL, 0); - id = adler32(id, dictionary, dictLength); - if (id != state->check) return Z_DATA_ERROR; + if (state->mode == DICT) { + id = adler32(0L, Z_NULL, 0); + id = adler32(id, dictionary, dictLength); + if (id != state->check) + return Z_DATA_ERROR; + } /* copy dictionary to window */ if (updatewindow(strm, strm->avail_out)) { @@ -1137,6 +1208,23 @@ uInt dictLength; return Z_OK; } +int ZEXPORT inflateGetHeader(strm, head) +z_streamp strm; +gz_headerp head; +{ + struct inflate_state FAR *state; + + /* check state */ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if ((state->wrap & 2) == 0) return Z_STREAM_ERROR; + + /* save header structure */ + state->head = head; + head->done = 0; + return Z_OK; +} + /* Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff. Return when found or when out of input. When called, *have is the number of pattern bytes @@ -1239,6 +1327,7 @@ z_streamp source; struct inflate_state FAR *state; struct inflate_state FAR *copy; unsigned char FAR *window; + unsigned wsize; /* check input */ if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL || @@ -1261,14 +1350,19 @@ z_streamp source; } /* copy state */ - *dest = *source; - *copy = *state; - copy->lencode = copy->codes + (state->lencode - state->codes); - copy->distcode = copy->codes + (state->distcode - state->codes); + zmemcpy(dest, source, sizeof(z_stream)); + zmemcpy(copy, state, sizeof(struct inflate_state)); + if (state->lencode >= state->codes && + state->lencode <= state->codes + ENOUGH - 1) { + copy->lencode = copy->codes + (state->lencode - state->codes); + copy->distcode = copy->codes + (state->distcode - state->codes); + } copy->next = copy->codes + (state->next - state->codes); - if (window != Z_NULL) - zmemcpy(window, state->window, 1U << state->wbits); + if (window != Z_NULL) { + wsize = 1U << state->wbits; + zmemcpy(window, state->window, wsize); + } copy->window = window; - dest->state = (voidpf)copy; + dest->state = (struct internal_state FAR *)copy; return Z_OK; } diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inflate.h b/ext/Compress/Zlib/zlib-src-1.2.3/inflate.h similarity index 96% rename from ext/Compress/Zlib/zlib-src-1.2.2/inflate.h rename to ext/Compress/Zlib/zlib-src-1.2.3/inflate.h index 9a12c8f..07bd3e7 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/inflate.h +++ b/ext/Compress/Zlib/zlib-src-1.2.3/inflate.h @@ -1,5 +1,5 @@ /* inflate.h -- internal inflate state definition - * Copyright (C) 1995-2003 Mark Adler + * Copyright (C) 1995-2004 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -19,7 +19,6 @@ /* Possible inflate modes between inflate() calls */ typedef enum { HEAD, /* i: waiting for magic header */ -#ifdef GUNZIP FLAGS, /* i: waiting for method and flags (gzip) */ TIME, /* i: waiting for modification time (gzip) */ OS, /* i: waiting for extra flags and operating system (gzip) */ @@ -28,7 +27,6 @@ typedef enum { NAME, /* i: waiting for end of file name (gzip) */ COMMENT, /* i: waiting for end of comment (gzip) */ HCRC, /* i: waiting for header crc (gzip) */ -#endif DICTID, /* i: waiting for dictionary check value */ DICT, /* waiting for inflateSetDictionary() call */ TYPE, /* i: waiting for type bits, including last-flag bit */ @@ -45,9 +43,7 @@ typedef enum { MATCH, /* o: waiting for output space to copy string */ LIT, /* o: waiting for output space to write literal */ CHECK, /* i: waiting for 32-bit check value */ -#ifdef GUNZIP LENGTH, /* i: waiting for 32-bit length (gzip) */ -#endif DONE, /* finished check, done -- remain here until reset */ BAD, /* got a data error -- remain here until reset */ MEM, /* got an inflate() memory error -- remain here until reset */ @@ -84,8 +80,10 @@ struct inflate_state { int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ int havedict; /* true if dictionary provided */ int flags; /* gzip header method and flags (0 if zlib) */ + unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ unsigned long check; /* protected copy of check value */ unsigned long total; /* protected copy of output count */ + gz_headerp head; /* where to save gzip header information */ /* sliding window */ unsigned wbits; /* log base 2 of requested window size */ unsigned wsize; /* window size or zero if not using window */ diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inftrees.c b/ext/Compress/Zlib/zlib-src-1.2.3/inftrees.c similarity index 97% rename from ext/Compress/Zlib/zlib-src-1.2.2/inftrees.c rename to ext/Compress/Zlib/zlib-src-1.2.3/inftrees.c index 8a896b2..8a9c13f 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/inftrees.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/inftrees.c @@ -1,5 +1,5 @@ /* inftrees.c -- generate Huffman trees for efficient decoding - * Copyright (C) 1995-2004 Mark Adler + * Copyright (C) 1995-2005 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -9,7 +9,7 @@ #define MAXBITS 15 const char inflate_copyright[] = - " inflate 1.2.2 Copyright 1995-2004 Mark Adler "; + " inflate 1.2.3 Copyright 1995-2005 Mark Adler "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -62,7 +62,7 @@ unsigned short FAR *work; 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; static const unsigned short lext[31] = { /* Length codes 257..285 extra */ 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, - 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 199, 198}; + 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 201, 196}; static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, @@ -134,7 +134,7 @@ unsigned short FAR *work; left -= count[len]; if (left < 0) return -1; /* over-subscribed */ } - if (left > 0 && (type == CODES || (codes - count[0] != 1))) + if (left > 0 && (type == CODES || max != 1)) return -1; /* incomplete set */ /* generate offsets into symbol table for each length for sorting */ @@ -232,6 +232,7 @@ unsigned short FAR *work; /* replicate for those indices with low len bits equal to huff */ incr = 1U << (len - drop); fill = 1U << curr; + min = fill; /* save offset to next table */ do { fill -= incr; next[(huff >> drop) + fill] = this; @@ -262,7 +263,7 @@ unsigned short FAR *work; drop = root; /* increment past last table */ - next += 1U << curr; + next += min; /* here min is 1 << curr */ /* determine length of next table */ curr = len - drop; diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/inftrees.h b/ext/Compress/Zlib/zlib-src-1.2.3/inftrees.h similarity index 91% rename from ext/Compress/Zlib/zlib-src-1.2.2/inftrees.h rename to ext/Compress/Zlib/zlib-src-1.2.3/inftrees.h index 82d365a..b1104c8 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/inftrees.h +++ b/ext/Compress/Zlib/zlib-src-1.2.3/inftrees.h @@ -1,5 +1,5 @@ /* inftrees.h -- header to use inftrees.c - * Copyright (C) 1995-2003 Mark Adler + * Copyright (C) 1995-2005 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -36,12 +36,12 @@ typedef struct { */ /* Maximum size of dynamic tree. The maximum found in a long but non- - exhaustive search was 1004 code structures (850 for length/literals - and 154 for distances, the latter actually the result of an + exhaustive search was 1444 code structures (852 for length/literals + and 592 for distances, the latter actually the result of an exhaustive search). The true maximum is not known, but the value below is more than safe. */ -#define ENOUGH 1440 -#define MAXD 154 +#define ENOUGH 2048 +#define MAXD 592 /* Type of code to build for inftable() */ typedef enum { diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/trees.c b/ext/Compress/Zlib/zlib-src-1.2.3/trees.c similarity index 98% rename from ext/Compress/Zlib/zlib-src-1.2.2/trees.c rename to ext/Compress/Zlib/zlib-src-1.2.3/trees.c index 52c820f..395e4e1 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/trees.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/trees.c @@ -1,5 +1,5 @@ /* trees.c -- output deflated data using Huffman coding - * Copyright (C) 1995-2003 Jean-loup Gailly + * Copyright (C) 1995-2005 Jean-loup Gailly * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -555,7 +555,7 @@ local void gen_bitlen(s, desc) while (n != 0) { m = s->heap[--h]; if (m > max_code) continue; - if (tree[m].Len != (unsigned) bits) { + if ((unsigned) tree[m].Len != (unsigned) bits) { Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits)); s->opt_len += ((long)bits - (long)tree[m].Len) *(long)tree[m].Freq; @@ -930,8 +930,9 @@ void _tr_flush_block(s, buf, stored_len, eof) /* Build the Huffman trees unless a stored block is forced */ if (s->level > 0) { - /* Check if the file is ascii or binary */ - if (s->strm->data_type == Z_UNKNOWN) set_data_type(s); + /* Check if the file is binary or text */ + if (stored_len > 0 && s->strm->data_type == Z_UNKNOWN) + set_data_type(s); /* Construct the literal and distance trees */ build_tree(s, (tree_desc *)(&(s->l_desc))); @@ -982,7 +983,7 @@ void _tr_flush_block(s, buf, stored_len, eof) #ifdef FORCE_STATIC } else if (static_lenb >= 0) { /* force static trees */ #else - } else if (static_lenb == opt_lenb) { + } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { #endif send_bits(s, (STATIC_TREES<<1)+eof, 3); compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); @@ -1117,21 +1118,24 @@ local void compress_block(s, ltree, dtree) } /* =========================================================================== - * Set the data type to ASCII or BINARY, using a crude approximation: - * binary if more than 20% of the bytes are <= 6 or >= 128, ascii otherwise. - * IN assertion: the fields freq of dyn_ltree are set and the total of all - * frequencies does not exceed 64K (to fit in an int on 16 bit machines). + * Set the data type to BINARY or TEXT, using a crude approximation: + * set it to Z_TEXT if all symbols are either printable characters (33 to 255) + * or white spaces (9 to 13, or 32); or set it to Z_BINARY otherwise. + * IN assertion: the fields Freq of dyn_ltree are set. */ local void set_data_type(s) deflate_state *s; { - int n = 0; - unsigned ascii_freq = 0; - unsigned bin_freq = 0; - while (n < 7) bin_freq += s->dyn_ltree[n++].Freq; - while (n < 128) ascii_freq += s->dyn_ltree[n++].Freq; - while (n < LITERALS) bin_freq += s->dyn_ltree[n++].Freq; - s->strm->data_type = bin_freq > (ascii_freq >> 2) ? Z_BINARY : Z_ASCII; + int n; + + for (n = 0; n < 9; n++) + if (s->dyn_ltree[n].Freq != 0) + break; + if (n == 9) + for (n = 14; n < 32; n++) + if (s->dyn_ltree[n].Freq != 0) + break; + s->strm->data_type = (n == 32) ? Z_TEXT : Z_BINARY; } /* =========================================================================== diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/trees.h b/ext/Compress/Zlib/zlib-src-1.2.3/trees.h similarity index 100% rename from ext/Compress/Zlib/zlib-src-1.2.2/trees.h rename to ext/Compress/Zlib/zlib-src-1.2.3/trees.h diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/uncompr.c b/ext/Compress/Zlib/zlib-src-1.2.3/uncompr.c similarity index 100% rename from ext/Compress/Zlib/zlib-src-1.2.2/uncompr.c rename to ext/Compress/Zlib/zlib-src-1.2.3/uncompr.c diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/zconf.h b/ext/Compress/Zlib/zlib-src-1.2.3/zconf.h similarity index 96% rename from ext/Compress/Zlib/zlib-src-1.2.2/zconf.h rename to ext/Compress/Zlib/zlib-src-1.2.3/zconf.h index 3c21403..03a9431 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/zconf.h +++ b/ext/Compress/Zlib/zlib-src-1.2.3/zconf.h @@ -1,5 +1,5 @@ /* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2004 Jean-loup Gailly. + * Copyright (C) 1995-2005 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -43,6 +43,10 @@ # define get_crc_table z_get_crc_table # define zError z_zError +# define alloc_func z_alloc_func +# define free_func z_free_func +# define in_func z_in_func +# define out_func z_out_func # define Byte z_Byte # define uInt z_uInt # define uLong z_uLong @@ -64,8 +68,10 @@ #if defined(_WINDOWS) && !defined(WINDOWS) # define WINDOWS #endif -#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) -# define WIN32 +#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) +# ifndef WIN32 +# define WIN32 +# endif #endif #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/zlib.h b/ext/Compress/Zlib/zlib-src-1.2.3/zlib.h similarity index 84% rename from ext/Compress/Zlib/zlib-src-1.2.2/zlib.h rename to ext/Compress/Zlib/zlib-src-1.2.3/zlib.h index b4ddd34..0228179 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/zlib.h +++ b/ext/Compress/Zlib/zlib-src-1.2.3/zlib.h @@ -1,7 +1,7 @@ /* zlib.h -- interface of the 'zlib' general purpose compression library - version 1.2.2, October 3rd, 2004 + version 1.2.3, July 18th, 2005 - Copyright (C) 1995-2004 Jean-loup Gailly and Mark Adler + Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages @@ -37,8 +37,8 @@ extern "C" { #endif -#define ZLIB_VERSION "1.2.2" -#define ZLIB_VERNUM 0x1220 +#define ZLIB_VERSION "1.2.3" +#define ZLIB_VERNUM 0x1230 /* The 'zlib' compression library provides in-memory compression and @@ -95,7 +95,7 @@ typedef struct z_stream_s { free_func zfree; /* used to free the internal state */ voidpf opaque; /* private data object passed to zalloc and zfree */ - int data_type; /* best guess about the data type: ascii or binary */ + int data_type; /* best guess about the data type: binary or text */ uLong adler; /* adler32 value of the uncompressed data */ uLong reserved; /* reserved for future use */ } z_stream; @@ -103,6 +103,29 @@ typedef struct z_stream_s { typedef z_stream FAR *z_streamp; /* + gzip header information passed to and from zlib routines. See RFC 1952 + for more details on the meanings of these fields. +*/ +typedef struct gz_header_s { + int text; /* true if compressed data believed to be text */ + uLong time; /* modification time */ + int xflags; /* extra flags (not used when writing a gzip file) */ + int os; /* operating system */ + Bytef *extra; /* pointer to extra field or Z_NULL if none */ + uInt extra_len; /* extra field length (valid if extra != Z_NULL) */ + uInt extra_max; /* space at extra (only when reading header) */ + Bytef *name; /* pointer to zero-terminated file name or Z_NULL */ + uInt name_max; /* space at name (only when reading header) */ + Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */ + uInt comm_max; /* space at comment (only when reading header) */ + int hcrc; /* true if there was or will be a header crc */ + int done; /* true when done reading gzip header (not used + when writing a gzip file) */ +} gz_header; + +typedef gz_header FAR *gz_headerp; + +/* The application must update next_in and avail_in when avail_in has dropped to zero. It must update next_out and avail_out when avail_out has dropped to zero. The application must initialize zalloc, zfree and @@ -166,11 +189,13 @@ typedef z_stream FAR *z_streamp; #define Z_FILTERED 1 #define Z_HUFFMAN_ONLY 2 #define Z_RLE 3 +#define Z_FIXED 4 #define Z_DEFAULT_STRATEGY 0 /* compression strategy; see deflateInit2() below for details */ #define Z_BINARY 0 -#define Z_ASCII 1 +#define Z_TEXT 1 +#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */ #define Z_UNKNOWN 2 /* Possible values of the data_type field (though see inflate()) */ @@ -244,6 +269,10 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); and with zero avail_out, it must be called again after making room in the output buffer because there might be more output pending. + Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to + decide how much data to accumualte before producing output, in order to + maximize compression. + If the parameter flush is set to Z_SYNC_FLUSH, all pending output is flushed to the output buffer and the output is aligned on a byte boundary, so that the decompressor can get all input data available so far. (In particular @@ -255,7 +284,7 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); Z_SYNC_FLUSH, and the compression state is reset so that decompression can restart from this point if previous compressed data has been damaged or if random access is desired. Using Z_FULL_FLUSH too often can seriously degrade - the compression. + compression. If deflate returns with avail_out == 0, this function must be called again with the same value of the flush parameter and more output space (updated @@ -280,8 +309,8 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); deflate() sets strm->adler to the adler32 checksum of all input read so far (that is, total_in bytes). - deflate() may update data_type if it can make a good guess about - the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered + deflate() may update strm->data_type if it can make a good guess about + the input data type (Z_BINARY or Z_TEXT). In doubt, the data is considered binary. This field is only for information purposes and does not affect the compression algorithm in any manner. @@ -363,11 +392,11 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH, Z_FINISH, or Z_BLOCK. Z_SYNC_FLUSH requests that inflate() flush as much output as possible to the output buffer. Z_BLOCK requests that inflate() stop - if and when it get to the next deflate block boundary. When decoding the zlib - or gzip format, this will cause inflate() to return immediately after the - header and before the first block. When doing a raw inflate, inflate() will - go ahead and process the first block, and will return when it gets to the end - of that block, or when it runs out of data. + if and when it gets to the next deflate block boundary. When decoding the + zlib or gzip format, this will cause inflate() to return immediately after + the header and before the first block. When doing a raw inflate, inflate() + will go ahead and process the first block, and will return when it gets to + the end of that block, or when it runs out of data. The Z_BLOCK option assists in appending to or combining deflate streams. Also to assist in this, on return inflate() will set strm->data_type to the @@ -496,7 +525,9 @@ ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, Z_DEFAULT and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as fast as Z_HUFFMAN_ONLY, but give better compression for PNG image data. The strategy parameter only affects the compression ratio but not the correctness of the - compressed output even if it is not set appropriately. + compressed output even if it is not set appropriately. Z_FIXED prevents the + use of dynamic Huffman codes, allowing for a simpler decoder for special + applications. deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid @@ -525,7 +556,9 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, deflateInit or deflateInit2, a part of the dictionary may in effect be discarded, for example if the dictionary is larger than the window size in deflate or deflate2. Thus the strings most likely to be useful should be - put at the end of the dictionary, not at the front. + put at the end of the dictionary, not at the front. In addition, the + current implementation of deflate will use at most the window size minus + 262 bytes of the provided dictionary. Upon return of this function, strm->adler is set to the adler32 value of the dictionary; the decompressor may later use this value to determine @@ -591,6 +624,23 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, if strm->avail_out was zero. */ +ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm, + int good_length, + int max_lazy, + int nice_length, + int max_chain)); +/* + Fine tune deflate's internal compression parameters. This should only be + used by someone who understands the algorithm used by zlib's deflate for + searching for the best matching string, and even then only by the most + fanatic optimizer trying to squeeze out the last compressed bit for their + specific input data. Read the deflate.c source code for the meaning of the + max_lazy, good_length, nice_length, and max_chain parameters. + + deflateTune() can be called after deflateInit() or deflateInit2(), and + returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream. + */ + ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm, uLong sourceLen)); /* @@ -616,6 +666,30 @@ ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, stream state was inconsistent. */ +ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm, + gz_headerp head)); +/* + deflateSetHeader() provides gzip header information for when a gzip + stream is requested by deflateInit2(). deflateSetHeader() may be called + after deflateInit2() or deflateReset() and before the first call of + deflate(). The text, time, os, extra field, name, and comment information + in the provided gz_header structure are written to the gzip header (xflag is + ignored -- the extra flags are set according to the compression level). The + caller must assure that, if not Z_NULL, name and comment are terminated with + a zero byte, and that if extra is not Z_NULL, that extra_len bytes are + available there. If hcrc is true, a gzip header crc is included. Note that + the current versions of the command-line version of gzip (up through version + 1.3.x) do not support header crc's, and will report that it is a "multi-part + gzip file" and give up. + + If deflateSetHeader is not used, the default gzip header has text false, + the time set to zero, and os set to 255, with no extra, name, or comment + fields. The gzip header is returned to the default state by deflateReset(). + + deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + /* ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, int windowBits)); @@ -648,15 +722,15 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, windowBits can also be greater than 15 for optional gzip decoding. Add 32 to windowBits to enable zlib and gzip decoding with automatic header detection, or add 16 to decode only the gzip format (the zlib format will - return a Z_DATA_ERROR. If a gzip stream is being decoded, strm->adler is + return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is a crc32 instead of an adler32. inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough - memory, Z_STREAM_ERROR if a parameter is invalid (such as a negative - memLevel). msg is set to null if there is no error message. inflateInit2 - does not perform any decompression apart from reading the zlib header if - present: this will be done by inflate(). (So next_in and avail_in may be - modified, but next_out and avail_out are unchanged.) + memory, Z_STREAM_ERROR if a parameter is invalid (such as a null strm). msg + is set to null if there is no error message. inflateInit2 does not perform + any decompression apart from reading the zlib header if present: this will + be done by inflate(). (So next_in and avail_in may be modified, but next_out + and avail_out are unchanged.) */ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, @@ -664,11 +738,14 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, uInt dictLength)); /* Initializes the decompression dictionary from the given uncompressed byte - sequence. This function must be called immediately after a call of inflate - if this call returned Z_NEED_DICT. The dictionary chosen by the compressor - can be determined from the adler32 value returned by this call of - inflate. The compressor and decompressor must use exactly the same - dictionary (see deflateSetDictionary). + sequence. This function must be called immediately after a call of inflate, + if that call returned Z_NEED_DICT. The dictionary chosen by the compressor + can be determined from the adler32 value returned by that call of inflate. + The compressor and decompressor must use exactly the same dictionary (see + deflateSetDictionary). For raw inflate, this function can be called + immediately after inflateInit2() or inflateReset() and before any call of + inflate() to set the dictionary. The application must insure that the + dictionary that was used for compression is provided. inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a parameter is invalid (such as NULL dictionary) or the stream state is @@ -719,8 +796,64 @@ ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); stream state was inconsistent (such as zalloc or state being NULL). */ +ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm, + int bits, + int value)); +/* + This function inserts bits in the inflate input stream. The intent is + that this function is used to start inflating at a bit position in the + middle of a byte. The provided bits will be used before any bytes are used + from next_in. This function should only be used with raw inflate, and + should be used before the first inflate() call after inflateInit2() or + inflateReset(). bits must be less than or equal to 16, and that many of the + least significant bits of value will be inserted in the input. + + inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm, + gz_headerp head)); +/* + inflateGetHeader() requests that gzip header information be stored in the + provided gz_header structure. inflateGetHeader() may be called after + inflateInit2() or inflateReset(), and before the first call of inflate(). + As inflate() processes the gzip stream, head->done is zero until the header + is completed, at which time head->done is set to one. If a zlib stream is + being decoded, then head->done is set to -1 to indicate that there will be + no gzip header information forthcoming. Note that Z_BLOCK can be used to + force inflate() to return immediately after header processing is complete + and before any actual data is decompressed. + + The text, time, xflags, and os fields are filled in with the gzip header + contents. hcrc is set to true if there is a header CRC. (The header CRC + was valid if done is set to one.) If extra is not Z_NULL, then extra_max + contains the maximum number of bytes to write to extra. Once done is true, + extra_len contains the actual extra field length, and extra contains the + extra field, or that field truncated if extra_max is less than extra_len. + If name is not Z_NULL, then up to name_max characters are written there, + terminated with a zero unless the length is greater than name_max. If + comment is not Z_NULL, then up to comm_max characters are written there, + terminated with a zero unless the length is greater than comm_max. When + any of extra, name, or comment are not Z_NULL and the respective field is + not present in the header, then that field is set to Z_NULL to signal its + absence. This allows the use of deflateSetHeader() with the returned + structure to duplicate the header. However if those fields are set to + allocated memory, then the application will need to save those pointers + elsewhere so that they can be eventually freed. + + If inflateGetHeader is not used, then the header information is simply + discarded. The header is always checked for validity, including the header + CRC if present. inflateReset() will reset the process to discard the header + information. The application would need to call inflateGetHeader() again to + retrieve the header from the next gzip stream. + + inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + /* -ZEXTERN int ZEXPORT inflateBackInit OF((z_stream FAR *strm, int windowBits, +ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, unsigned char FAR *window)); Initialize the internal stream state for decompression using inflateBack() @@ -744,7 +877,7 @@ ZEXTERN int ZEXPORT inflateBackInit OF((z_stream FAR *strm, int windowBits, typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *)); typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); -ZEXTERN int ZEXPORT inflateBack OF((z_stream FAR *strm, +ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, in_func in, void FAR *in_desc, out_func out, void FAR *out_desc)); /* @@ -813,7 +946,7 @@ ZEXTERN int ZEXPORT inflateBack OF((z_stream FAR *strm, that inflateBack() cannot return Z_OK. */ -ZEXTERN int ZEXPORT inflateBackEnd OF((z_stream FAR *strm)); +ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm)); /* All memory allocated by inflateBackInit() is freed. @@ -1087,6 +1220,12 @@ ZEXTERN int ZEXPORT gzeof OF((gzFile file)); input stream, otherwise zero. */ +ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); +/* + Returns 1 if file is being read directly without decompression, otherwise + zero. +*/ + ZEXTERN int ZEXPORT gzclose OF((gzFile file)); /* Flushes all pending output if necessary, closes the compressed file @@ -1119,7 +1258,6 @@ ZEXTERN void ZEXPORT gzclearerr OF((gzFile file)); */ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); - /* Update a running Adler-32 checksum with the bytes buf[0..len-1] and return the updated checksum. If buf is NULL, this function returns @@ -1135,12 +1273,21 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); if (adler != original_adler) error(); */ +ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, + z_off_t len2)); +/* + Combine two Adler-32 checksums into one. For two sequences of bytes, seq1 + and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for + each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of + seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. +*/ + ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); /* - Update a running crc with the bytes buf[0..len-1] and return the updated - crc. If buf is NULL, this function returns the required initial value - for the crc. Pre- and post-conditioning (one's complement) is performed - within this function so it shouldn't be done by the application. + Update a running CRC-32 with the bytes buf[0..len-1] and return the + updated CRC-32. If buf is NULL, this function returns the required initial + value for the for the crc. Pre- and post-conditioning (one's complement) is + performed within this function so it shouldn't be done by the application. Usage example: uLong crc = crc32(0L, Z_NULL, 0); @@ -1151,6 +1298,16 @@ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); if (crc != original_crc) error(); */ +ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); + +/* + Combine two CRC-32 check values into one. For two sequences of bytes, + seq1 and seq2 with lengths len1 and len2, CRC-32 check values were + calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32 + check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and + len2. +*/ + /* various hacks, don't look :) */ @@ -1167,7 +1324,7 @@ ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method, int stream_size)); ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, const char *version, int stream_size)); -ZEXTERN int ZEXPORT inflateBackInit_ OF((z_stream FAR *strm, int windowBits, +ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, unsigned char FAR *window, const char *version, int stream_size)); diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/zutil.c b/ext/Compress/Zlib/zlib-src-1.2.3/zutil.c similarity index 92% rename from ext/Compress/Zlib/zlib-src-1.2.2/zutil.c rename to ext/Compress/Zlib/zlib-src-1.2.3/zutil.c index 0ef4f99..d55f594 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/zutil.c +++ b/ext/Compress/Zlib/zlib-src-1.2.3/zutil.c @@ -1,5 +1,5 @@ /* zutil.c -- target dependent utility functions for the compression library - * Copyright (C) 1995-2003 Jean-loup Gailly. + * Copyright (C) 1995-2005 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -11,10 +11,6 @@ struct internal_state {int dummy;}; /* for buggy compilers */ #endif -#ifndef STDC -extern void exit OF((int)); -#endif - const char * const z_errmsg[10] = { "need dictionary", /* Z_NEED_DICT 2 */ "stream end", /* Z_STREAM_END 1 */ @@ -78,38 +74,38 @@ uLong ZEXPORT zlibCompileFlags() flags += 1 << 13; #endif #ifdef NO_GZCOMPRESS - flags += 1 << 16; + flags += 1L << 16; #endif #ifdef NO_GZIP - flags += 1 << 17; + flags += 1L << 17; #endif #ifdef PKZIP_BUG_WORKAROUND - flags += 1 << 20; + flags += 1L << 20; #endif #ifdef FASTEST - flags += 1 << 21; + flags += 1L << 21; #endif #ifdef STDC # ifdef NO_vsnprintf - flags += 1 << 25; + flags += 1L << 25; # ifdef HAS_vsprintf_void - flags += 1 << 26; + flags += 1L << 26; # endif # else # ifdef HAS_vsnprintf_void - flags += 1 << 26; + flags += 1L << 26; # endif # endif #else - flags += 1 << 24; + flags += 1L << 24; # ifdef NO_snprintf - flags += 1 << 25; + flags += 1L << 25; # ifdef HAS_sprintf_void - flags += 1 << 26; + flags += 1L << 26; # endif # else # ifdef HAS_snprintf_void - flags += 1 << 26; + flags += 1L << 26; # endif # endif #endif @@ -141,7 +137,10 @@ const char * ZEXPORT zError(err) } #if defined(_WIN32_WCE) - /* does not exist on WCE */ + /* The Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. + */ int errno = 0; #endif diff --git a/ext/Compress/Zlib/zlib-src-1.2.2/zutil.h b/ext/Compress/Zlib/zlib-src-1.2.3/zutil.h similarity index 91% rename from ext/Compress/Zlib/zlib-src-1.2.2/zutil.h rename to ext/Compress/Zlib/zlib-src-1.2.3/zutil.h index 7b42edc..b7d5eff 100644 --- a/ext/Compress/Zlib/zlib-src-1.2.2/zutil.h +++ b/ext/Compress/Zlib/zlib-src-1.2.3/zutil.h @@ -1,5 +1,5 @@ /* zutil.h -- internal interface and configuration of the compression library - * Copyright (C) 1995-2003 Jean-loup Gailly. + * Copyright (C) 1995-2005 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -17,14 +17,26 @@ #include "zlib.h" #ifdef STDC -# include +# ifndef _WIN32_WCE +# include +# endif # include # include #endif #ifdef NO_ERRNO_H +# ifdef _WIN32_WCE + /* The Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. We rename it to + * avoid conflict with other libraries that use the same workaround. + */ +# define errno z_errno +# endif extern int errno; #else -# include +# ifndef _WIN32_WCE +# include +# endif #endif #ifndef local @@ -105,6 +117,9 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ #ifdef OS2 # define OS_CODE 0x06 +# ifdef M_I86 + #include +# endif #endif #if defined(MACOS) || defined(TARGET_OS_MAC) @@ -193,15 +208,6 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ # define NO_vsnprintf #endif -#ifdef HAVE_STRERROR -# ifndef VMS - extern char *strerror OF((int)); -# endif -# define zstrerror(errnum) strerror(errnum) -#else -# define zstrerror(errnum) "" -#endif - #if defined(pyr) # define NO_MEMCPY #endif