gcc4/libcpp/charset.c

51    from whatever that encoding is to the source character set.
56    character set; note also that the conversion from source to
106    line, even if iconv quadruples its size (e.g. conversion from
162    An implementation note: the transformation from UTF-16 to UTF-8, or
165 /* Internal primitives which go from an UTF-8 byte stream to native-endian
457 		 iconv_t cd, const uchar *from, size_t flen, struct _cpp_strbuf *to)
464   inbuf = from;
498    bool (*)(iconv_t cd, const uchar *from, size_t flen, struct _cpp_strbuf *to);
506 convert_utf8_utf16 (iconv_t cd, const uchar *from, size_t flen,
509   return conversion_loop (one_utf8_to_utf16, cd, from, flen, to);
513 convert_utf8_utf32 (iconv_t cd, const uchar *from, size_t flen,
516   return conversion_loop (one_utf8_to_utf32, cd, from, flen, to);
520 convert_utf16_utf8 (iconv_t cd, const uchar *from, size_t flen,
523   return conversion_loop (one_utf16_to_utf8, cd, from, flen, to);
527 convert_utf32_utf8 (iconv_t cd, const uchar *from, size_t flen,
530   return conversion_loop (one_utf32_to_utf8, cd, from, flen, to);
536 		       const uchar *from, size_t flen, struct _cpp_strbuf *to)
543   memcpy (to->text + to->len, from, flen);
552 convert_using_iconv (iconv_t cd, const uchar *from, size_t flen,
563   inbuf = (ICONV_CONST char *)from;
613    cset_converter structure for conversion from FROM to TO.  If
618 init_iconv_desc (cpp_reader *pfile, const char *to, const char *from)
624   if (!strcasecmp (to, from))
631   pair = (char *) alloca(strlen(to) + strlen(from) + 2);
633   strcpy(pair, from);
648       ret.cd = iconv_open (to, from);
654 		       "conversion from %s to %s not supported by iconv",
655 		       from, to);
665 		 "no iconv implementation, cannot convert from %s to %s",
666 		 from, to);
674    for conversion from the source character set to the execution
719    from the *basic* source character set, encoded in the host's
865       /* Easy cases from Bengali, Oriya, Tamil, Jannada, and Malayalam.  */
877 	 and are combined algorithmically from a sequence of the form
1037 convert_ucn (cpp_reader *pfile, const uchar *from, const uchar *limit,
1049   from++;  /* Skip u/U.  */
1050   ucn = _cpp_valid_ucn (pfile, &from, limit, 0, &nst);
1063   return from;
1122 convert_hex (cpp_reader *pfile, const uchar *from, const uchar *limit,
1135   from++;  /* Skip 'x'.  */
1136   while (from < limit)
1138       c = *from;
1141       from++;
1151       return from;
1163   return from;
1173 convert_oct (cpp_reader *pfile, const uchar *from, const uchar *limit,
1183   while (from < limit && count++ < 3)
1185       c = *from;
1188       from++;
1202   return from;
1210 convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
1226   c = *from;
1231       return convert_ucn (pfile, from, limit, tbuf, wide);
1234       return convert_hex (pfile, from, limit, tbuf, wide);
1239       return convert_oct (pfile, from, limit, tbuf, wide);
1248 	 Emacs or other text editors from getting confused.  '\%' can
1249 	 be used to prevent SCCS from mangling printf format strings.  */
1296   return from + 1;
1301    are to be converted from the source to the execution character set,
1307 cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
1316   tbuf.asize = MAX (OUTBUF_BLOCK_SIZE, from->len);
1322       p = from[i].text;
1325       limit = from[i].text + from[i].len - 1; /* Skip trailing quote.  */
1362 cpp_interpret_string_notranslate (cpp_reader *pfile, const cpp_string *from,
1371   retval = cpp_interpret_string (pfile, from, count, to, wide);
1586    source file) from INPUT_CHARSET to the source character set.  INPUT