[Fontconfig] patch: fallback to POSIX if LC_CTYPE is the empty
keithp at keithp.com
Wed Aug 17 03:08:04 EST 2005
On Tue, 2005-08-16 at 18:02 +0200, Mike FABIAN wrote:
> A SuSE user recently reported a bug that icewm didn't show any fonts.
> It turned out to be user error, he had set LANG="" (and no
> other locale specific environment variables).
> Although setting LC_CTYPE="" is not a valid setting in my opinion, I
> think fontconfig should fall back to matching an English font in that
> case, just as it does for all the other invalid settings of LC_CTYPE.
It should probably treat an empty lang as if the lang was not set:
RCS file: /cvs/fontconfig/fontconfig/src/fcdefault.c,v
retrieving revision 1.7
diff -u -p -r1.7 fcdefault.c
--- fcdefault.c 7 Dec 2004 01:14:46 -0000 1.7
+++ fcdefault.c 16 Aug 2005 17:06:46 -0000
@@ -111,7 +111,8 @@ FcDefaultSubstitute (FcPattern *pattern)
ctype = getenv ("LANG");
- if (ctype)
+ /* ignore missing or empty ctype */
+ if (ctype && *ctype != '\0')
lang = ctype;
territory = strchr (ctype, '_');
There's no point setting ctype to 'POSIX'; the only ctypes which have
any effect on the library are those in <lang>_<territory> form.
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