/* * 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; }