Merge pull request #797 from hanspolo/freetype
freetype: updated to 2.5.5
This commit is contained in:
Juan RP
commit
460478d3b6
2 changed files with 3 additions and 128 deletions
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@ -1,125 +0,0 @@
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From 74af85c4b62b35e55b0ce9dec55ee10cbc4962a2 Mon Sep 17 00:00:00 2001
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From: Werner Lemberg <wl@gnu.org>
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Date: Mon, 8 Dec 2014 16:01:50 +0100
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Subject: [PATCH] [pcf] Fix Savannah bug #43774.
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Work around `features' of X11's `pcfWriteFont' and `pcfReadFont'
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functions. Since the PCF format doesn't have an official
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specification, we have to exactly follow these functions' behaviour.
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The problem was unveiled with a patch from 2014-11-06, fixing issue #43547.
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* src/pcf/pcfread.c (pcf_read_TOC): Don't check table size for last
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element. Instead, assign real size.
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---
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ChangeLog | 14 ++++++++++++++
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src/pcf/pcfread.c | 54 +++++++++++++++++++++++++++++++++++++++++++-----------
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2 files changed, 57 insertions(+), 11 deletions(-)
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diff --git a/src/pcf/pcfread.c b/src/pcf/pcfread.c
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index 998cbed..e3caf82 100644
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--- src/pcf/pcfread.c
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+++ src/pcf/pcfread.c
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@@ -2,7 +2,7 @@
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FreeType font driver for pcf fonts
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- Copyright 2000-2010, 2012, 2013 by
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+ Copyright 2000-2010, 2012-2014 by
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Francesco Zappa Nardelli
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Permission is hereby granted, free of charge, to any person obtaining a copy
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@@ -78,7 +78,7 @@ THE SOFTWARE.
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FT_FRAME_START( 16 ),
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FT_FRAME_ULONG_LE( type ),
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FT_FRAME_ULONG_LE( format ),
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- FT_FRAME_ULONG_LE( size ),
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+ FT_FRAME_ULONG_LE( size ), /* rounded up to a multiple of 4 */
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FT_FRAME_ULONG_LE( offset ),
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FT_FRAME_END
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};
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@@ -95,9 +95,11 @@ THE SOFTWARE.
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FT_Memory memory = FT_FACE( face )->memory;
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FT_UInt n;
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+ FT_ULong size;
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- if ( FT_STREAM_SEEK ( 0 ) ||
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- FT_STREAM_READ_FIELDS ( pcf_toc_header, toc ) )
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+
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+ if ( FT_STREAM_SEEK( 0 ) ||
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+ FT_STREAM_READ_FIELDS( pcf_toc_header, toc ) )
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return FT_THROW( Cannot_Open_Resource );
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if ( toc->version != PCF_FILE_VERSION ||
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@@ -154,14 +156,35 @@ THE SOFTWARE.
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break;
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}
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- /* we now check whether the `size' and `offset' values are reasonable: */
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- /* `offset' + `size' must not exceed the stream size */
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+ /*
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+ * We now check whether the `size' and `offset' values are reasonable:
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+ * `offset' + `size' must not exceed the stream size.
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+ *
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+ * Note, however, that X11's `pcfWriteFont' routine (used by the
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+ * `bdftopcf' program to create PDF font files) has two special
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+ * features.
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+ *
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+ * - It always assigns the accelerator table a size of 100 bytes in the
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+ * TOC, regardless of its real size, which can vary between 34 and 72
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+ * bytes.
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+ *
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+ * - Due to the way the routine is designed, it ships out the last font
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+ * table with its real size, ignoring the TOC's size value. Since
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+ * the TOC size values are always rounded up to a multiple of 4, the
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+ * difference can be up to three bytes for all tables except the
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+ * accelerator table, for which the difference can be as large as 66
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+ * bytes.
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+ *
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+ */
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+
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tables = face->toc.tables;
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- for ( n = 0; n < toc->count; n++ )
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+ size = stream->size;
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+
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+ for ( n = 0; n < toc->count - 1; n++ )
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{
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/* we need two checks to avoid overflow */
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- if ( ( tables->size > stream->size ) ||
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- ( tables->offset > stream->size - tables->size ) )
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+ if ( ( tables->size > size ) ||
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+ ( tables->offset > size - tables->size ) )
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{
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error = FT_THROW( Invalid_Table );
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goto Exit;
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@@ -169,6 +192,15 @@ THE SOFTWARE.
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tables++;
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}
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+ /* no check of `tables->size' for last table element ... */
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+ if ( ( tables->offset > size ) )
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+ {
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+ error = FT_THROW( Invalid_Table );
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+ goto Exit;
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+ }
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+ /* ... instead, we adjust `tables->size' to the real value */
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+ tables->size = size - tables->offset;
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+
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#ifdef FT_DEBUG_LEVEL_TRACE
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{
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@@ -733,8 +765,8 @@ THE SOFTWARE.
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FT_TRACE4(( " number of bitmaps: %d\n", nbitmaps ));
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- /* XXX: PCF_Face->nmetrics is singed FT_Long, see pcf.h */
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- if ( face->nmetrics < 0 || nbitmaps != ( FT_ULong )face->nmetrics )
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+ /* XXX: PCF_Face->nmetrics is signed FT_Long, see pcf.h */
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+ if ( face->nmetrics < 0 || nbitmaps != (FT_ULong)face->nmetrics )
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return FT_THROW( Invalid_File_Format );
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if ( FT_NEW_ARRAY( offsets, nbitmaps ) )
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--
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2.1.3
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@ -1,7 +1,7 @@
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# Template build file 'freetype'.
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pkgname=freetype
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version=2.5.4
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revision=2
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version=2.5.5
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revision=1
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build_style=gnu-configure
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hostmakedepends="pkg-config"
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makedepends="zlib-devel bzip2-devel libpng-devel"
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@ -10,7 +10,7 @@ maintainer="Juan RP <xtraeme@gmail.com>"
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homepage="http://www.freetype.org/"
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license="GPL-2"
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distfiles="${SOURCEFORGE_SITE}/$pkgname/$pkgname-$version.tar.bz2"
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checksum=3b4e2c666b33b32ad29ff0fe5c6538e757d3c73368e5dfa88bd59b4bc95cbabb
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checksum=387bcc4b780b12484aa2ec9f7db1a55d8286eb5639f45fbc0fbba7a4e5a1afb9
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freetype-devel_package() {
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depends="${makedepends} ${sourcepkg}>=${version}_${revision}"
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