thodg/libiconv/lib/cp949.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/cp949.h

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  /*
   * CP949 is EUC-KR, extended with UHC (Unified Hangul Code).
   */
  
  #include "uhc_1.h"
  #include "uhc_2.h"
  
  static int
  cp949_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  {
    unsigned char c = *s;
    /* Code set 0 (ASCII) */
    if (c < 0x80)
      return ascii_mbtowc(conv,pwc,s,n);
    /* UHC part 1 */
    if (c >= 0x81 && c <= 0xa0)
      return uhc_1_mbtowc(conv,pwc,s,n);
    if (c >= 0xa1 && c < 0xff) {
      if (n < 2)
        return RET_TOOFEW(0);
      {
        unsigned char c2 = s[1];
        if (c2 < 0xa1)
          /* UHC part 2 */
          return uhc_2_mbtowc(conv,pwc,s,n);
        else if (c2 < 0xff) {
          /* Code set 1 (KS C 5601-1992) */
          unsigned char buf[2];
          buf[0] = c-0x80; buf[1] = c2-0x80;
          return ksc5601_mbtowc(conv,pwc,buf,2);
        }
      }
    }
    return RET_ILSEQ;
  }
  
  static int
  cp949_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  {
    unsigned char buf[2];
    int ret;
  
    /* Code set 0 (ASCII) */
    ret = ascii_wctomb(conv,r,wc,n);
    if (ret != RET_ILSEQ)
      return ret;
  
    /* Code set 1 (KS C 5601-1992) */
    ret = ksc5601_wctomb(conv,buf,wc,2);
    if (ret != RET_ILSEQ) {
      if (ret != 2) abort();
      if (n < 2)
        return RET_TOOSMALL;
      r[0] = buf[0]+0x80;
      r[1] = buf[1]+0x80;
      return 2;
    }
  
    /* UHC */
    if (wc >= 0xac00 && wc < 0xd7a4) {
      if (wc < 0xc8a5)
        return uhc_1_wctomb(conv,r,wc,n);
      else
        return uhc_2_wctomb(conv,r,wc,n);
    }
  
    return RET_ILSEQ;
  }
  

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