thodg/libiconv/lib/gb18030.h

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• Hash : a615528b
  Author :
  Date : 2000-11-23T19:54:07
  

  Move src/ to lib/, and install the iconv program.
  

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• lib/gb18030.h

• /*
   * GB18030
   */
  
  /*
   * GB18030, as implemented in glibc-2.2, is an extension of GBK (= CP936).
   * It adds the following ranges:
   * 1. Two-byte range
   *    0xA2E3, 0xA8BF, 0xA98A..0xA995, 0xFE50..0xFE9F
   * 2. Four-byte range
   *    0x{81..84}{30..39}{81..FE}{30..39}
   *    Most of Unicode plane 1 in Unicode order.
   */
  
  #include "gb18030ext.h"
  #include "gb18030uni.h"
  
  static int
  gb18030_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  {
    int ret;
  
    /* Code set 0 (ASCII) */
    if (*s < 0x80)
      return ascii_mbtowc(conv,pwc,s,n);
  
    /* Code set 1 (GBK extended) */
    ret = gbk_mbtowc(conv,pwc,s,n);
    if (ret != RET_ILSEQ)
      return ret;
  
    ret = gb18030ext_mbtowc(conv,pwc,s,n);
    if (ret != RET_ILSEQ)
      return ret;
  
    /* Code set 2 (remainder of Unicode) */
    return gb18030uni_mbtowc(conv,pwc,s,n);
  }
  
  static int
  gb18030_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  {
    int ret;
  
    /* Code set 0 (ASCII) */
    ret = ascii_wctomb(conv,r,wc,n);
    if (ret != RET_ILSEQ)
      return ret;
  
    /* Code set 1 (GBK extended) */
    ret = gbk_wctomb(conv,r,wc,n);
    if (ret != RET_ILSEQ)
      return ret;
  
    ret = gb18030ext_wctomb(conv,r,wc,n);
    if (ret != RET_ILSEQ)
      return ret;
  
    /* Code set 2 (remainder of Unicode) */
    return gb18030uni_wctomb(conv,r,wc,n);
  }
  

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