+#if REPLACE_ICONV_UTF
+ /* Special handling of conversion between UTF-8 and UTF-{16,32}{BE,LE}.
+ Do this here, before calling the real iconv_open(), because OSF/1 5.1
+ iconv() to these encoding inserts a BOM, which is wrong.
+ We do not need to handle conversion between arbitrary encodings and
+ UTF-{16,32}{BE,LE}, because the 'striconveh' module implements two-step
+ conversion throough UTF-8.
+ The _ICONV_* constants are chosen to be disjoint from any iconv_t
+ returned by the system's iconv_open() functions. Recall that iconv_t
+ is a scalar type. */
+ if (c_toupper (fromcode[0]) == 'U'
+ && c_toupper (fromcode[1]) == 'T'
+ && c_toupper (fromcode[2]) == 'F'
+ && fromcode[3] == '-')
+ {
+ if (c_toupper (tocode[0]) == 'U'
+ && c_toupper (tocode[1]) == 'T'
+ && c_toupper (tocode[2]) == 'F'
+ && tocode[3] == '-')
+ {
+ if (strcmp (fromcode + 4, "8") == 0)
+ {
+ if (c_strcasecmp (tocode + 4, "16BE") == 0)
+ return _ICONV_UTF8_UTF16BE;
+ if (c_strcasecmp (tocode + 4, "16LE") == 0)
+ return _ICONV_UTF8_UTF16LE;
+ if (c_strcasecmp (tocode + 4, "32BE") == 0)
+ return _ICONV_UTF8_UTF32BE;
+ if (c_strcasecmp (tocode + 4, "32LE") == 0)
+ return _ICONV_UTF8_UTF32LE;
+ }
+ else if (strcmp (tocode + 4, "8") == 0)
+ {
+ if (c_strcasecmp (fromcode + 4, "16BE") == 0)
+ return _ICONV_UTF16BE_UTF8;
+ if (c_strcasecmp (fromcode + 4, "16LE") == 0)
+ return _ICONV_UTF16LE_UTF8;
+ if (c_strcasecmp (fromcode + 4, "32BE") == 0)
+ return _ICONV_UTF32BE_UTF8;
+ if (c_strcasecmp (fromcode + 4, "32LE") == 0)
+ return _ICONV_UTF32LE_UTF8;
+ }
+ }
+ }
+#endif
+
+ /* Do *not* add special support for 8-bit encodings like ASCII or ISO-8859-1
+ here. This would lead to programs that work in some locales (such as the
+ "C" or "en_US" locales) but do not work in East Asian locales. It is
+ better if programmers make their programs depend on GNU libiconv (except
+ on glibc systems), e.g. by using the AM_ICONV macro and documenting the
+ dependency in an INSTALL or DEPENDENCIES file. */
+