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authorjan.nijtmans <nijtmans@users.sourceforge.net>2019-11-15 10:09:11 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2019-11-15 10:09:11 (GMT)
commite5b1e20b49d4610ec84dc2da862b19d6119452d4 (patch)
tree132b4831c95ba4f1dce118cf44d2790feb4548e8 /generic/tclEncoding.c
parentc28a047f8ac27cc47e0e47578bddc491c72bd9ae (diff)
parente00ef49560bb5bd4349d017887c7cd5a2d0ba38e (diff)
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Merge 8.6.
Also fix the use of WUR (warn unused result) in libtommath function signatures: this cannot be used in combination with "deprecated" or "nostub"
Diffstat (limited to 'generic/tclEncoding.c')
-rw-r--r--generic/tclEncoding.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index 48e198b..e318d5b 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -2366,7 +2366,7 @@ UtfToUtfProc(
}
dstStart = dst;
- dstEnd = dst + dstLen - ((pureNullMode == 1) ? 4 : TCL_UTF_MAX);
+ dstEnd = dst + dstLen - TCL_UTF_MAX;
for (numChars = 0; src < srcEnd && numChars <= charLimit; numChars++) {
if ((src > srcClose) && (!Tcl_UtfCharComplete(src, srcEnd - src))) {
@@ -2412,21 +2412,14 @@ UtfToUtfProc(
if ((*chPtr & 0xFC00) == 0xD800) {
/* A high surrogate character is detected, handle especially */
Tcl_UniChar low = *chPtr;
- size_t len = Tcl_UtfToUniChar(src, &low);
+ if (src <= srcEnd-3) {
+ Tcl_UtfToUniChar(src, &low);
+ }
if ((low & 0xFC00) != 0xDC00) {
*dst++ = (char) (((*chPtr >> 12) | 0xE0) & 0xEF);
*dst++ = (char) (((*chPtr >> 6) | 0x80) & 0xBF);
*dst++ = (char) ((*chPtr | 0x80) & 0xBF);
continue;
- } else if (pureNullMode == 1) {
- int full = (((*chPtr & 0x3FF) << 10) | (low & 0x3FF)) + 0x10000;
- *dst++ = (char) (((full >> 18) | 0xF0) & 0xF7);
- *dst++ = (char) (((full >> 12) | 0x80) & 0xBF);
- *dst++ = (char) (((full >> 6) | 0x80) & 0xBF);
- *dst++ = (char) ((full | 0x80) & 0xBF);
- *chPtr = 0;
- src += len;
- continue;
}
}
dst += Tcl_UniCharToUtf(*chPtr, dst);