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fontconfig
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Fix a crash

This commit is contained in:
Akira TAGOH 2013-08-31 10:43:13 +09:00
parent 071ce44c35
commit 272a99217b
1 changed files with 15 additions and 0 deletions
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15
src/fccfg.c
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@ -1500,6 +1500,7 @@ FcConfigSubstituteWithPat (FcConfig *config,
FcPatternElt **elt = NULL, *e;
int i, nobjs;
FcBool retval = FcTrue;
FcTest **tst = NULL;
if (!config)
{
@ -1557,6 +1558,12 @@ FcConfigSubstituteWithPat (FcConfig *config,
retval = FcFalse;
goto bail1;
}
tst = (FcTest **) malloc (SIZEOF_VOID_P * nobjs);
if (!tst)
{
retval = FcFalse;
goto bail1;
}
if (FcDebug () & FC_DBG_EDIT)
{
@ -1570,6 +1577,7 @@ FcConfigSubstituteWithPat (FcConfig *config,
{
elt[i] = NULL;
value[i] = NULL;
tst[i] = NULL;
}
for (; r; r = r->next)
{
@ -1598,7 +1606,10 @@ FcConfigSubstituteWithPat (FcConfig *config,
e = NULL;
/* different 'kind' won't be the target of edit */
if (!elt[object] && kind == r->u.test->kind)
{
elt[object] = e;
tst[object] = r->u.test;
}
/*
* If there's no such field in the font,
* then FcQualAll matches while FcQualAny does not
@ -1646,6 +1657,8 @@ FcConfigSubstituteWithPat (FcConfig *config,
* Evaluate the list of expressions
*/
l = FcConfigValues (p, p_pat,kind, r->u.edit->expr, r->u.edit->binding);
if (tst[object] && (tst[object]->kind == FcMatchFont || kind == FcMatchPattern))
elt[object] = FcPatternObjectFindElt (p, tst[object]->object);
switch (FC_OP_GET_OP (r->u.edit->op)) {
case FcOpAssign:
@ -1748,6 +1761,8 @@ bail1:
free (elt);
if (value)
free (value);
if (tst)
free (tst);
return retval;
}