+# ifdef __CYGWIN__
+ /* Cygwin < 1.7 does not have locales. nl_langinfo (CODESET) always
+ returns "US-ASCII". Return the suffix of the locale name from the
+ environment variables (if present) or the codepage as a number. */
+ if (codeset != NULL && strcmp (codeset, "US-ASCII") == 0)
+ {
+ const char *locale;
+ static char buf[2 + 10 + 1];
+
+ locale = getenv ("LC_ALL");
+ if (locale == NULL || locale[0] == '\0')
+ {
+ locale = getenv ("LC_CTYPE");
+ if (locale == NULL || locale[0] == '\0')
+ locale = getenv ("LANG");
+ }
+ if (locale != NULL && locale[0] != '\0')
+ {
+ /* If the locale name contains an encoding after the dot, return
+ it. */
+ const char *dot = strchr (locale, '.');
+
+ if (dot != NULL)
+ {
+ const char *modifier;
+
+ dot++;
+ /* Look for the possible @... trailer and remove it, if any. */
+ modifier = strchr (dot, '@');
+ if (modifier == NULL)
+ return dot;
+ if (modifier - dot < sizeof (buf))
+ {
+ memcpy (buf, dot, modifier - dot);
+ buf [modifier - dot] = '\0';
+ return buf;
+ }
+ }
+ }
+
+ /* Woe32 has a function returning the locale's codepage as a number:
+ GetACP(). This encoding is used by Cygwin, unless the user has set
+ the environment variable CYGWIN=codepage:oem (which very few people
+ do).
+ Output directed to console windows needs to be converted (to
+ GetOEMCP() if the console is using a raster font, or to
+ GetConsoleOutputCP() if it is using a TrueType font). Cygwin does
+ this conversion transparently (see winsup/cygwin/fhandler_console.cc),
+ converting to GetConsoleOutputCP(). This leads to correct results,
+ except when SetConsoleOutputCP has been called and a raster font is
+ in use. */
+ sprintf (buf, "CP%u", GetACP ());
+ codeset = buf;
+ }
+# endif
+