Hi,
Trying to catch a bug (in which I haven't succeeded, see my next mail)
I found a suspicious code in fontconfig-2.3.94/src/fclang.c. It says:
=== SNIP ===
const FcCharSet *
FcCharSetForLang (const FcChar8 *lang)
{
int i;
int country = -1;
[...]
for (i = 0; i < NUM_LANG_CHAR_SET; i++)
{
switch (FcLangCompare (lang, fcLangCharSets[i].lang)) {
case FcLangEqual:
return &fcLangCharSets[i].charset;
case FcLangDifferentCountry:
if (country == -1)
country = i;
default:
break;
}
}
if (country == -1)
return 0;
return &fcLangCharSets[i].charset;
}
=== SNIP ===
I don't know what this code exactly stands for, but I have a feeling that
the last return statement should rather be this:
return &fcLangCharSets[country].charset;
Currently it returns a pointer to a memory segment that is (I don't know)
most likely either uninitialized or contains terminating null elements,
since i is guaranteed to equal to NUM_LANG_CHAR_SET, furthermore country has
no real integer meaning, it's basically just a boolean (either -1 or not)
and the first "if (country == -1)" testing makes no sense either.
I guess it was rather intended to return the first charset for which the
language at least partially (same lang but different country) matches, which
is remembered in country.
--
Egmont
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