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int len = 1;
/*
* UTF-8 string length in bytes will be <= Unicode string length * 4.
*/
oldLength = Tcl_DStringLength(dsPtr);
Tcl_DStringSetLength(dsPtr, (oldLength + uniLength + 1) * 4);
Tcl_DStringSetLength(dsPtr, oldLength + (uniLength + 1) * 4);
string = Tcl_DStringValue(dsPtr) + oldLength;
p = string;
wEnd = uniStr + uniLength;
for (w = uniStr; w < wEnd; ) {
if (!len && ((*w & 0xFC00) != 0xDC00)) {
/* Special case for handling upper surrogates. */
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/*
* Unicode string length in Tcl_UniChars will be <= UTF-8 string length in
* bytes.
*/
oldLength = Tcl_DStringLength(dsPtr);
/* TODO: fix overreach! */
(int) ((oldLength + length + 1) * sizeof(Tcl_UniChar)));
oldLength + (int) ((length + 1) * sizeof(Tcl_UniChar)));
wString = (Tcl_UniChar *) (Tcl_DStringValue(dsPtr) + oldLength);
w = wString;
p = src;
end = src + length;
for (p = src; p < end; ) {
end = src + length - 4;
while (p < end) {
p += TclUtfToUniChar(p, &ch);
*w++ = ch;
}
end += 4;
while (p < end) {
if (Tcl_UtfCharComplete(p, end-p)) {
p += TclUtfToUniChar(p, &ch);
} else if ((unsigned)((UCHAR(*p)-0x80)) < (unsigned) 0x20) {
ch = (Tcl_UniChar) cp1252[UCHAR(*p)-0x80];
} else {
ch = UCHAR(*p);
}
*w++ = ch;
}
*w = '\0';
Tcl_DStringSetLength(dsPtr,
(oldLength + ((char *) w - (char *) wString)));
oldLength + ((char *) w - (char *) wString));
return wString;
}
/*
*---------------------------------------------------------------------------
*
|