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Ignoring ".pfb" (PostScript 'Printer Font Binary') fonts, to avoid crashes.

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This commit is contained in:
William Kendrick 2014-04-19 18:36:26 +00:00
parent 913275e144
commit 40a1221114
2 changed files with 19 additions and 2 deletions
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5
docs/CHANGES.txt
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@ -8,7 +8,7 @@ http://www.tuxpaint.org/
$Id$
2014.April.16 (0.9.22)
2014.April.19 (0.9.22)
* New Tools:
----------
@ -623,6 +623,9 @@ $Id$
* Saved images woose path contains non-ascii chars can now be opened on Windows.
Fixes http://sourceforge.net/p/tuxpaint/bugs/188/
* Ignoring ".pfb" (PostScript 'Printer Font Binary') fonts, to
avoid crashes.
2009.June.28 (0.9.21)
* New Starters:
-------------

16
src/fonts.c
View file

@ -83,6 +83,12 @@ static const char *problemFonts[] = {
NULL
};
/* font types that cause TTF_OpenFont to crash */
static const char *problemFontExtensions[] = {
".pfb", /* Ubuntu 14.04 (libsdl-ttf2.0-0 2.0.11-3, libfreetype6 2.5.2-1ubuntu2) -bjk 2014.04.19 */
NULL
};
#ifdef FORKED_FONTS
#include <sys/socket.h>
@ -270,7 +276,7 @@ void TuxPaint_Font_CloseFont(TuxPaint_Font * tpf)
TuxPaint_Font *TuxPaint_Font_OpenFont(const char *pangodesc, const char *ttffilename, int size)
{
TuxPaint_Font *tpf = NULL;
int i = 0;
int i;
#ifndef NO_SDLPANGO
char desc[1024];
#endif
@ -320,12 +326,20 @@ TuxPaint_Font *TuxPaint_Font_OpenFont(const char *pangodesc, const char *ttffile
fflush(stdout);
#endif
i = 0;
while (problemFonts[i] != NULL)
{
if (!strcmp(ttffilename, problemFonts[i++]))
return NULL; /* bail on known problematic fonts that cause TTF_OpenFont to crash */
}
i = 0;
while (problemFontExtensions[i] != NULL)
{
if (strstr(ttffilename, problemFontExtensions[i++]))
return NULL; /* bail on known problematic font types that cause TTF_OpenFont to crash */
}
tpf = (TuxPaint_Font *) malloc(sizeof(TuxPaint_Font));
tpf->typ = FONT_TYPE_TTF;
tpf->ttf_font = TTF_OpenFont(ttffilename, size);