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This commit is contained in:
Werner Lemberg 2007-03-22 06:12:43 +00:00
parent dabf0535a8
commit 14ffe0911f
2 changed files with 9 additions and 7 deletions
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4
ChangeLog
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@ -1,7 +1,7 @@
2007-03-22 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
* builds/unix/ftsystem.c (FT_Stream_Open): Temporal fix to prevent
32bit unsigned long overflow by 64bit filesize on LP64 platform,
* builds/unix/ftsystem.c (FT_Stream_Open): Temporary fix to prevent
32bit unsigned long overflow by 64bit filesize on LP64 platform, as
proposed by Sean McBride:
http://lists.gnu.org/archive/html/freetype-devel/2007-03/msg00032.html

12
builds/unix/ftsystem.c
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@ -4,7 +4,7 @@
/* */
/* Unix-specific FreeType low-level system interface (body). */
/* */
/* Copyright 1996-2001, 2002, 2004, 2005, 2006 by */
/* Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -267,11 +267,13 @@
}
/* XXX: TODO -- real 64bit platform support */
/* stream->size is typed to unsigned long (freetype/ftsystem.h) */
/* stat_buf.st_size is usually typed to off_t (sys/stat.h) */
/* */
/* `stream->size' is typedef'd to unsigned long (in */
/* freetype/ftsystem.h); `stat_buf.st_size', however, is usually */
/* typedef'd to off_t (in sys/stat.h). */
/* On some platforms, the former is 32bit and the latter is 64bit. */
/* To avoid overflow caused by font in huge file larger than 2G, */
/* do a test. Temporal fix proposed by Sean McBride */
/* To avoid overflow caused by fonts in huge files larger than */
/* 2GB, do a test. Temporary fix proposed by Sean McBride. */
/* */
if ( stat_buf.st_size > ULONG_MAX )
{