On Tue, Jan 01, 2019 at 06:59:59PM -0500, Thomas Dickey wrote: > On Tue, Jan 01, 2019 at 12:28:38PM -0500, Thomas Dickey wrote: > > On Mon, Dec 31, 2018 at 02:32:58PM -0500, Thomas Dickey wrote: > > > On Mon, Dec 31, 2018 at 06:11:23PM +0100, Alexander Meyer wrote: > > > > * Thomas Dickey <dic...@his.com> [2018-12-31 00:51]: > > > > > > > > > On Sun, Dec 30, 2018 at 06:26:44PM +0100, Alexander Meyer wrote: > > > > > ... > > > > >> This is the behaviour I get across xterm versions: > > > > >> (everything with libfontconfig1 2.13.1-2) > > > > >> > > > > >> fonts.conf enabled: > > > > >> 337: works > > > > >> 338: segfault > > > > >> 340: segfault > > > > >> 341: segfault > > > > > > > > > > Can you make a backtrace for #341, please? > > > > > > > > Here it is: > > > > > > thanks. I added some notes, but have not been able to reproduce the > > > problem. > > > > Looking at this again, I saw (using XFT_DEBUG=3 and the -report-fonts > > option) > > that the fallback was using unifont. Removing that got it to break (I'll > > see whether the bug lies in Xft or fontconfig, at least). > > The latter. Here's a fix for fontconfig that eliminates this particular > crash. ... I verified that the same issue exists in current code, and submitted an
https://gitlab.freedesktop.org/fontconfig/fontconfig/issues/140
with the attached fix.
--
Thomas E. Dickey <dic...@invisible-island.net>
https://invisible-island.net
ftp://ftp.invisible-island.net
diff --git a/src/fccfg.c b/src/fccfg.c
index a87dfec..5c275c4 100644
--- a/src/fccfg.c
+++ b/src/fccfg.c
@@ -978,7 +978,7 @@ FcConfigEvaluate (FcPattern *p, FcPattern *p_pat, FcMatchKind kind, FcExpr *e)
FcValue v, vl, vr, vle, vre;
FcMatrix *m;
FcChar8 *str;
- FcOp op = FC_OP_GET_OP (e->op);
+ FcOp op = e ? FC_OP_GET_OP (e->op) : FcOpNil;
FcValuePromotionBuffer buf1, buf2;
switch ((int) op) {
signature.asc
Description: Digital signature
