+
+ dirname = q->dirname;
+ locname = lm->name;
+ catname = catnames[category];
+
+ dirlen = q->dirlen;
+ loclen = strlen(locname);
+ catlen = catlens[category];
+
+ /* Logically split @mod suffix from locale name. */
+ modname = memchr(locname, '@', loclen);
+ if (!modname) modname = locname + loclen;
+ alt_modlen = modlen = loclen - (modname-locname);
+ loclen = modname-locname;
+
+ /* Drop .charset identifier; it is not used. */
+ const char *csp = memchr(locname, '.', loclen);
+ if (csp) loclen = csp-locname;
+
+ char name[dirlen+1 + loclen+modlen+1 + catlen+1 + domlen+3 + 1];
+ const void *map;
+
+ for (;;) {
+ snprintf(name, sizeof name, "%s/%.*s%.*s/%s/%s.mo\0",
+ dirname, (int)loclen, locname,
+ (int)alt_modlen, modname, catname, domainname);
+ if (map = __map_file(name, &map_size)) break;
+
+ /* Try dropping @mod, _YY, then both. */
+ if (alt_modlen) {
+ alt_modlen = 0;
+ } else if ((locp = memchr(locname, '_', loclen))) {
+ loclen = locp-locname;
+ alt_modlen = modlen;
+ } else {
+ break;
+ }
+ }