diff options
Diffstat (limited to 'indra/llimage/llimagedimensionsinfo.cpp')
| -rw-r--r-- | indra/llimage/llimagedimensionsinfo.cpp | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/indra/llimage/llimagedimensionsinfo.cpp b/indra/llimage/llimagedimensionsinfo.cpp index 890b49b50a..835664c60f 100644 --- a/indra/llimage/llimagedimensionsinfo.cpp +++ b/indra/llimage/llimagedimensionsinfo.cpp @@ -1,31 +1,25 @@ /** * @file llimagedimensionsinfo.cpp * - * $LicenseInfo:firstyear=2002&license=viewergpl$ - * - * Copyright (c) 2002-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2002&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -36,6 +30,9 @@ #include "llimagedimensionsinfo.h" +// Value is true if one of Libjpeg's functions has encountered an error while working. +static bool sJpegErrorEncountered = false; + bool LLImageDimensionsInfo::load(const std::string& src_filename,U32 codec) { clean(); @@ -107,9 +104,17 @@ bool LLImageDimensionsInfo::getImageDimensionsPng() return true; } +// Called instead of exit() if Libjpeg encounters an error. +void on_jpeg_error(j_common_ptr cinfo) +{ + (void) cinfo; + sJpegErrorEncountered = true; + llwarns << "Libjpeg has encountered an error!" << llendl; +} bool LLImageDimensionsInfo::getImageDimensionsJpeg() { + sJpegErrorEncountered = false; clean(); FILE *fp = fopen (mSrcFilename.c_str(), "rb"); if (fp == NULL) @@ -121,6 +126,9 @@ bool LLImageDimensionsInfo::getImageDimensionsJpeg() jpeg_error_mgr jerr; jpeg_decompress_struct cinfo; cinfo.err = jpeg_std_error(&jerr); + // Call our function instead of exit() if Libjpeg encounters an error. + // This is done to avoid crash in this case (STORM-472). + cinfo.err->error_exit = on_jpeg_error; jpeg_create_decompress (&cinfo); jpeg_stdio_src (&cinfo, fp); @@ -134,6 +142,6 @@ bool LLImageDimensionsInfo::getImageDimensionsJpeg() jpeg_destroy_decompress(&cinfo); fclose(fp); - return true; + return !sJpegErrorEncountered; } |