static int conv_encoding(OnigEncoding from, OnigEncoding to, const UChar* s, const UChar* end, UChar** conv, UChar** conv_end) { int len = end - s; if (to == ONIG_ENCODING_UTF16_LE) { if (from == ONIG_ENCODING_ASCII) { *conv = (UChar* )xmalloc(len * 2); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + (len * 2); conv_ext0le(s, end, *conv); return 0; } } return ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION; }
static int conv_encoding(OnigEncoding from, OnigEncoding to, const UChar* s, const UChar* end, UChar** conv, UChar** conv_end) { size_t len = end - s; if (to == ONIG_ENCODING_UTF16_BE) { if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { *conv = (UChar* )xmalloc(len * 2); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + (len * 2); conv_ext0be(s, end, *conv); return 0; } else if (from == ONIG_ENCODING_UTF16_LE) { swap16: *conv = (UChar* )xmalloc(len); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + len; conv_swap2bytes(s, end, *conv); return 0; } } else if (to == ONIG_ENCODING_UTF16_LE) { if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { *conv = (UChar* )xmalloc(len * 2); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + (len * 2); conv_ext0le(s, end, *conv); return 0; } else if (from == ONIG_ENCODING_UTF16_BE) { goto swap16; } } if (to == ONIG_ENCODING_UTF32_BE) { if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { *conv = (UChar* )xmalloc(len * 4); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + (len * 4); conv_ext0be32(s, end, *conv); return 0; } else if (from == ONIG_ENCODING_UTF32_LE) { swap32: *conv = (UChar* )xmalloc(len); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + len; conv_swap4bytes(s, end, *conv); return 0; } } else if (to == ONIG_ENCODING_UTF32_LE) { if (from == ONIG_ENCODING_ASCII || from == ONIG_ENCODING_ISO_8859_1) { *conv = (UChar* )xmalloc(len * 4); CHECK_NULL_RETURN_MEMERR(*conv); *conv_end = *conv + (len * 4); conv_ext0le32(s, end, *conv); return 0; } else if (from == ONIG_ENCODING_UTF32_BE) { goto swap32; } } return ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION; }