thodg/libiconv/lib/ucs4swapped.h

• Show log

  Commit

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

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

Download

• lib/ucs4swapped.h

• /*
   * UCS-4-SWAPPED = UCS-4-INTERNAL with inverted endianness
   */
  
  static int
  ucs4swapped_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  {
    /* This function assumes that 'unsigned int' has exactly 32 bits. */
    if (sizeof(unsigned int) != 4) abort();
  
    if (n >= 4) {
      unsigned int x = *(const unsigned int *)s;
      x = (x >> 24) | ((x >> 8) & 0xff00) | ((x & 0xff00) << 8) | (x << 24);
      *pwc = x;
      return 4;
    }
    return RET_TOOFEW(0);
  }
  
  static int
  ucs4swapped_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  {
    /* This function assumes that 'unsigned int' has exactly 32 bits. */
    if (sizeof(unsigned int) != 4) abort();
  
    if (n >= 4) {
      unsigned int x = wc;
      x = (x >> 24) | ((x >> 8) & 0xff00) | ((x & 0xff00) << 8) | (x << 24);
      *(unsigned int *)r = x;
      return 4;
    } else
      return RET_TOOSMALL;
  }
  

Download