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- /*
- * 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)
- {
- /* This function assumes that 'unsigned short' has exactly 16 bits. */
- if (sizeof(unsigned short) != 2) abort();
-
- if (n >= 2) {
- unsigned short x = *(const unsigned short *)s;
- x = (x >> 8) | (x << 8);
- if (x >= 0xd800 && x < 0xe000) {
- return RET_ILSEQ;
- } else {
- *pwc = x;
- return 2;
- }
- }
- return RET_TOOFEW(0);
- }
-
- static int
- ucs2swapped_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n)
- {
- /* This function assumes that 'unsigned short' has exactly 16 bits. */
- if (sizeof(unsigned short) != 2) abort();
-
- if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
- 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;
- }
-