FLTK 1.3.2
ucs2be.h
00001 /*
00002  * UCS-2BE = UCS-2 big endian
00003  */
00004 /* $XFree86: xc/lib/X11/lcUniConv/ucs2be.h,v 1.1 2000/11/28 17:25:09 dawes Exp $ */
00005 
00006 static int
00007 ucs2be_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
00008 {
00009   if (n >= 2) {
00010     if (s[0] >= 0xd8 && s[0] < 0xe0) {
00011       return RET_ILSEQ;
00012     } else {
00013       *pwc = (s[0] << 8) + s[1];
00014       return 2;
00015     }
00016   }
00017   return RET_TOOFEW(0);
00018 }
00019 
00020 static int
00021 ucs2be_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
00022 {
00023   if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
00024     if (n >= 2) {
00025       r[0] = (unsigned char) (wc >> 8);
00026       r[1] = (unsigned char) wc;
00027       return 2;
00028     } else
00029       return RET_TOOSMALL;
00030   }
00031   return RET_ILSEQ;
00032 }