forked from minhngoc25a/freetype2
[zlib] Some organizational changes.
We now first apply zlib's `zlib2ansi` script, then FreeType's patch file.
* src/gzip/README.freetype: Updated.
* patches/0001-zlib-Fix-zlib-sources-to-compile-for-FreeType.patch: Renamed
to...
* patches/freetype-zlib.diff: This.
Clean up description, then regenerate it as follows:
- Copy unmodified files from `zlib` repository.
- Run `zlib2ansi` script.
- Run `git diff -R > patches/freetype-zlib.diff.new`.
- Insert patch description of old diff file, then replace old diff with
new diff file.
This commit is contained in:
Werner Lemberg
parent
a25e85ed95
commit
da8a8b8bcf
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@ -18,5 +18,5 @@ The files in this directory have been prepared as follows.
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- Take the unmodified source code files from the zlib distribution that are
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included by `ftgzip.c`.
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- Apply the diff file(s) in the `patches` folder.
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- Run zlib's `zlib2ansi` script on all `.c` files.
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- Apply the diff file(s) in the `patches` folder.
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@ -163,7 +163,7 @@
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/* values for gz_state how */
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#define LOOK 0 /* look for a gzip header */
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#define COPY__ 1 /* copy input directly */
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#define COPY__ 1 /* copy input directly */
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#define GZIP 2 /* decompress a gzip stream */
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/* internal gzip file state data structure */
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@ -1,48 +1,34 @@
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From 2977ff0df909f939517e9857943938ff84201a26 Mon Sep 17 00:00:00 2001
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From: David Turner <david@freetype.org>
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Date: Wed, 18 Aug 2021 00:17:35 +0200
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Subject: [zlib] Fix zlib sources to compile for FreeType
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[zlib] Fix zlib sources for compilation with FreeType
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Fix misc zlib sources to ensure that they do not issue compiler
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warnings when they are compiled as part of src/gzip/ftgzip.c.
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We must ensure that they do not issue compiler errors or warnings when they
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are compiled as part of `src/gzip/ftgzip.c`.
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* src/gzip/adler32.c: Do not define unused functions when Z_FREETYPE
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is set.
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* src/gzip/adler32.c: Do not define unused functions when `Z_FREETYPE`
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is set.
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* src/gzip/crc32.c: Undefined DO1 and DO8 macros that are already
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defined in adler32.c.
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* src/gzip/crc32.c (DO1, DO8): Undefine. Already defined in `adler32.c`.
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* src/gzip/gzguts.h: Rename COPY macro to COPY__ since COPY and
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COPY_ conflict with enum values with the same name in
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zlib.h.
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* src/gzip/gzguts.h (COPY): Rename to...
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(COPY__): ... this since `COPY` and `COPY_` conflict with enum values,
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which have the same name in `zlib.h`.
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* src/gzip/inflate.c, src/gzip/adler32.c: Omit unused function
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declarations when Z_FREETYPE is defined.
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declarations when `Z_FREETYPE` is defined.
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* src/gzip/zlib.h: Include "ftzconf.h" instead of "zconf.h" to
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avoid conflicts with system-installed headers. Omit unused
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function declarations when Z_FREETYPE is defined.
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* src/gzip/zlib.h: Include `ftzconf.h` instead of `zconf.h` to avoid
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conflicts with system-installed headers.
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Omit unused function declarations when `Z_FREETYPE` is defined.
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* src/gzip/zutil.h: Use ft_memxxx() functions instead of memxxx().
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Omit unused function declarations when Z_FREETYPE is defined.
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* src/gzip/zutil.h: Use `ft_memxxx` functions instead of `memxxx`.
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Omit unused function declarations when `Z_FREETYPE` is defined.
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* src/gzip/inflate.h, src/gzip/inftrees.h: Add header guard macros
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to prevent compiler errors.
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---
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src/gzip/adler32.c | 6 ++++++
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src/gzip/crc32.c | 2 ++
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src/gzip/gzguts.h | 2 +-
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src/gzip/inflate.c | 18 ++++++++++++++++++
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src/gzip/inflate.h | 5 +++++
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src/gzip/inftrees.h | 5 +++++
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src/gzip/zlib.h | 39 ++++++++++++++++++++++++++++++++++++---
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src/gzip/zutil.h | 10 +++++++---
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8 files changed, 80 insertions(+), 7 deletions(-)
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* src/gzip/inflate.h, src/gzip/inftrees.h: Add header guard macros to
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prevent compiler errors.
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diff --git a/src/gzip/adler32.c b/src/gzip/adler32.c
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index d0be4380a..a8242ba13 100644
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--- a/src/gzip/adler32.c
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+++ b/src/gzip/adler32.c
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diff --git b/src/gzip/adler32.c a/src/gzip/adler32.c
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index be5e8a247..aa032e1dd 100644
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--- b/src/gzip/adler32.c
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+++ a/src/gzip/adler32.c
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@@ -7,7 +7,9 @@
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#include "zutil.h"
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@ -53,25 +39,25 @@ index d0be4380a..a8242ba13 100644
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#define BASE 65521U /* largest prime smaller than 65536 */
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#define NMAX 5552
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@@ -139,6 +141,8 @@ uLong ZEXPORT adler32(adler, buf, len)
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@@ -139,6 +141,8 @@ uLong ZEXPORT adler32(
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return adler32_z(adler, buf, len);
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}
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+#ifndef Z_FREETYPE
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+
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/* ========================================================================= */
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local uLong adler32_combine_(adler1, adler2, len2)
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uLong adler1;
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@@ -184,3 +188,5 @@ uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
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local uLong adler32_combine_(
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uLong adler1,
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@@ -184,3 +188,5 @@ uLong ZEXPORT adler32_combine64(
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{
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return adler32_combine_(adler1, adler2, len2);
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}
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+
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+#endif /* !Z_FREETYPE */
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diff --git a/src/gzip/crc32.c b/src/gzip/crc32.c
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index 9580440c0..d67663a4e 100644
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--- a/src/gzip/crc32.c
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+++ b/src/gzip/crc32.c
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diff --git b/src/gzip/crc32.c a/src/gzip/crc32.c
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index 3e3eb1794..ffced1ea7 100644
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--- b/src/gzip/crc32.c
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+++ a/src/gzip/crc32.c
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@@ -195,6 +195,8 @@ const z_crc_t FAR * ZEXPORT get_crc_table()
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}
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@ -81,23 +67,23 @@ index 9580440c0..d67663a4e 100644
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#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)
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#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
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diff --git a/src/gzip/gzguts.h b/src/gzip/gzguts.h
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index 990a4d251..a27f38998 100644
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--- a/src/gzip/gzguts.h
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+++ b/src/gzip/gzguts.h
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diff --git b/src/gzip/gzguts.h a/src/gzip/gzguts.h
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index 990a4d251..c81f8f392 100644
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--- b/src/gzip/gzguts.h
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+++ a/src/gzip/gzguts.h
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@@ -163,7 +163,7 @@
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/* values for gz_state how */
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#define LOOK 0 /* look for a gzip header */
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-#define COPY 1 /* copy input directly */
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+#define COPY__ 1 /* copy input directly */
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+#define COPY__ 1 /* copy input directly */
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#define GZIP 2 /* decompress a gzip stream */
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/* internal gzip file state data structure */
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diff --git a/src/gzip/inflate.c b/src/gzip/inflate.c
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index ac333e8c2..fa61003ce 100644
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--- a/src/gzip/inflate.c
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+++ b/src/gzip/inflate.c
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diff --git b/src/gzip/inflate.c a/src/gzip/inflate.c
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index 3f7ea647b..7387e6f57 100644
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--- b/src/gzip/inflate.c
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+++ a/src/gzip/inflate.c
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@@ -99,8 +99,10 @@ local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
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#ifdef BUILDFIXED
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void makefixed OF((void));
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@ -107,18 +93,18 @@ index ac333e8c2..fa61003ce 100644
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unsigned len));
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+#endif
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local int inflateStateCheck(strm)
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z_streamp strm;
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@@ -244,6 +246,8 @@ int stream_size;
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local int inflateStateCheck(
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z_streamp strm)
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@@ -244,6 +246,8 @@ int ZEXPORT inflateInit_(
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return inflateInit2_(strm, DEF_WBITS, version, stream_size);
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}
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+#ifndef Z_FREETYPE
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+
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int ZEXPORT inflatePrime(strm, bits, value)
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z_streamp strm;
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int bits;
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@@ -265,6 +269,8 @@ int value;
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int ZEXPORT inflatePrime(
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z_streamp strm,
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int bits,
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@@ -265,6 +269,8 @@ int ZEXPORT inflatePrime(
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return Z_OK;
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}
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@ -127,16 +113,16 @@ index ac333e8c2..fa61003ce 100644
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/*
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Return state with length and distance decoding tables and index sizes set to
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fixed code decoding. Normally this returns fixed tables from inffixed.h.
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@@ -1288,6 +1294,8 @@ z_streamp strm;
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@@ -1288,6 +1294,8 @@ int ZEXPORT inflateEnd(
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return Z_OK;
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}
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+#ifndef Z_FREETYPE
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+
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int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength)
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z_streamp strm;
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Bytef *dictionary;
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@@ -1440,6 +1448,8 @@ z_streamp strm;
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int ZEXPORT inflateGetDictionary(
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z_streamp strm,
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Bytef *dictionary,
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@@ -1440,6 +1448,8 @@ int ZEXPORT inflateSync(
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return Z_OK;
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}
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@ -145,43 +131,43 @@ index ac333e8c2..fa61003ce 100644
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/*
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Returns true if inflate is currently at the end of a block generated by
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Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
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@@ -1458,6 +1468,8 @@ z_streamp strm;
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@@ -1458,6 +1468,8 @@ int ZEXPORT inflateSyncPoint(
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return state->mode == STORED && state->bits == 0;
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}
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+#if !Z_FREETYPE
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+
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int ZEXPORT inflateCopy(dest, source)
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z_streamp dest;
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z_streamp source;
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@@ -1505,6 +1517,8 @@ z_streamp source;
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int ZEXPORT inflateCopy(
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z_streamp dest,
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z_streamp source)
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@@ -1505,6 +1517,8 @@ int ZEXPORT inflateCopy(
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return Z_OK;
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}
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+#endif /* !Z_FREETYPE */
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+
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int ZEXPORT inflateUndermine(strm, subvert)
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z_streamp strm;
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int subvert;
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@@ -1538,6 +1552,8 @@ int check;
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int ZEXPORT inflateUndermine(
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z_streamp strm,
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int subvert)
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@@ -1538,6 +1552,8 @@ int ZEXPORT inflateValidate(
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return Z_OK;
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}
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+#ifndef Z_FREETYPE
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+
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long ZEXPORT inflateMark(strm)
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z_streamp strm;
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long ZEXPORT inflateMark(
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z_streamp strm)
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{
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@@ -1559,3 +1575,5 @@ z_streamp strm;
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@@ -1559,3 +1575,5 @@ unsigned long ZEXPORT inflateCodesUsed(
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state = (struct inflate_state FAR *)strm->state;
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return (unsigned long)(state->next - state->codes);
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}
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+
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+#endif /* !Z_FREETYPE */
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diff --git a/src/gzip/inflate.h b/src/gzip/inflate.h
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diff --git b/src/gzip/inflate.h a/src/gzip/inflate.h
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index a46cce6b6..92ea758e2 100644
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--- a/src/gzip/inflate.h
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+++ b/src/gzip/inflate.h
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--- b/src/gzip/inflate.h
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+++ a/src/gzip/inflate.h
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@@ -3,6 +3,9 @@
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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@ -198,10 +184,10 @@ index a46cce6b6..92ea758e2 100644
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};
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+
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+#endif /* INFLATE_H */
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diff --git a/src/gzip/inftrees.h b/src/gzip/inftrees.h
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diff --git b/src/gzip/inftrees.h a/src/gzip/inftrees.h
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index baa53a0b1..c94eb78b5 100644
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--- a/src/gzip/inftrees.h
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+++ b/src/gzip/inftrees.h
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--- b/src/gzip/inftrees.h
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+++ a/src/gzip/inftrees.h
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@@ -3,6 +3,9 @@
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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@ -218,10 +204,10 @@ index baa53a0b1..c94eb78b5 100644
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unsigned FAR *bits, unsigned short FAR *work));
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+
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+#endif /* INFTREES_H_ */
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diff --git a/src/gzip/zlib.h b/src/gzip/zlib.h
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index f09cdaf1e..ff5ae736d 100644
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--- a/src/gzip/zlib.h
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+++ b/src/gzip/zlib.h
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diff --git b/src/gzip/zlib.h a/src/gzip/zlib.h
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index f09cdaf1e..1807c0645 100644
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--- b/src/gzip/zlib.h
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+++ a/src/gzip/zlib.h
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@@ -31,7 +31,7 @@
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#ifndef ZLIB_H
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#define ZLIB_H
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@ -319,22 +305,6 @@ index f09cdaf1e..ff5ae736d 100644
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ZEXTERN uLong ZEXPORT crc32_z OF((uLong adler, const Bytef *buf,
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z_size_t len));
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/*
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@@ -1755,7 +1771,6 @@ ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
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len2.
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*/
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-
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/* various hacks, don't look :) */
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/* deflateInit and inflateInit are macros to allow checking the zlib version
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@@ -1763,6 +1778,7 @@ ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
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*/
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ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
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const char *version, int stream_size));
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+
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ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
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const char *version, int stream_size));
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ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method,
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@@ -1805,6 +1821,19 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
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ZLIB_VERSION, (int)sizeof(z_stream))
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#endif
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@ -379,10 +349,10 @@ index f09cdaf1e..ff5ae736d 100644
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#ifdef __cplusplus
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}
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diff --git a/src/gzip/zutil.h b/src/gzip/zutil.h
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diff --git b/src/gzip/zutil.h a/src/gzip/zutil.h
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index b079ea6a8..a38573878 100644
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--- a/src/gzip/zutil.h
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+++ b/src/gzip/zutil.h
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--- b/src/gzip/zutil.h
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+++ a/src/gzip/zutil.h
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@@ -185,6 +185,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
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#pragma warn -8066
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#endif
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@ -414,6 +384,3 @@ index b079ea6a8..a38573878 100644
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# endif
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#else
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void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
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--
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2.30.2
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@ -1771,6 +1771,7 @@ ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
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len2.
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*/
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/* various hacks, don't look :) */
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/* deflateInit and inflateInit are macros to allow checking the zlib version
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@ -1778,7 +1779,6 @@ ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
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*/
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ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
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const char *version, int stream_size));
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ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
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const char *version, int stream_size));
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ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method,
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