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cope with error return from ftell (coverity 1231843)

This commit is contained in:
Vincent Sanders 2014-08-18 17:15:57 +01:00
parent 984d87985c
commit 1a71a84b62
1 changed files with 23 additions and 10 deletions
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33
framebuffer/convert_font.c
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@ -2,19 +2,26 @@
* Copyright 2014 Michael Drake <tlsa@netsurf-browser.org>
* Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
* This file is part of the convert_font tool used to convert font
* glyph data into a compilable representation.
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* NetSurf 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 General Public License for more details.
* * The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdbool.h>
@ -1031,6 +1038,12 @@ bool load_font(const char *path, struct font_data **data)
/* Find filesize */
fseek(fp, 0L, SEEK_END);
file_len = ftell(fp);
if (file_len == -1) {
LOG(LOG_ERROR, "Could not size input file\n");
free(d);
fclose(fp);
return false;
}
fseek(fp, 0L, SEEK_SET);
LOG(LOG_DEBUG, "Input size: %zu bytes\n", file_len);