| /* |
| * UCS-2-SWAPPED = UCS-2-INTERNAL with inverted endianness |
| */ |
| |
| static int |
| ucs2swapped_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n) |
| { |
| if (n >= 2) { |
| unsigned short x = *(unsigned short *)s; |
| x = (x >> 8) | (x << 8); |
| *pwc = x; |
| return 2; |
| } |
| return RET_TOOFEW(0); |
| } |
| |
| static int |
| ucs2swapped_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n) |
| { |
| if (wc < 0x10000) { |
| if (n >= 2) { |
| unsigned short x = wc; |
| x = (x >> 8) | (x << 8); |
| *(unsigned short *)r = x; |
| return 2; |
| } else |
| return RET_TOOSMALL; |
| } else |
| return RET_ILSEQ; |
| } |
| |
| /* |
| * UCS-2-BE = UCS-2 big endian, with machine dependent alignment |
| * UCS-2-LE = UCS-2 little endian, with machine dependent alignment |
| */ |
| |
| #ifdef WORDS_LITTLEENDIAN |
| #define ucs2be_mbtowc ucs2swapped_mbtowc |
| #define ucs2be_wctomb ucs2swapped_wctomb |
| #define ucs2le_mbtowc ucs2internal_mbtowc |
| #define ucs2le_wctomb ucs2internal_wctomb |
| #else |
| #define ucs2be_mbtowc ucs2internal_mbtowc |
| #define ucs2be_wctomb ucs2internal_wctomb |
| #define ucs2le_mbtowc ucs2swapped_mbtowc |
| #define ucs2le_wctomb ucs2swapped_wctomb |
| #endif |
