FLTK 1.3.2
|
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 }