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-rw-r--r--generic/tclEncoding.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index a7ef199..4ae017d 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -2525,22 +2525,35 @@ UtfToUnicodeProc(
if (dst > dstEnd) {
result = TCL_CONVERT_NOSPACE;
break;
- }
+ }
src += TclUtfToUniChar(src, &ch);
/*
* Need to handle this in a way that won't cause misalignment by
* casting dst to a Tcl_UniChar. [Bug 1122671]
- * XXX: This hard-codes the assumed size of Tcl_UniChar as 2.
*/
#ifdef WORDS_BIGENDIAN
+#if TCL_UTF_MAX > 4
+ *dst++ = (ch >> 24);
+ *dst++ = ((ch >> 16) & 0xFF);
+ *dst++ = ((ch >> 8) & 0xFF);
+ *dst++ = (ch & 0xFF);
+#else
*dst++ = (ch >> 8);
*dst++ = (ch & 0xFF);
+#endif
+#else
+#if TCL_UTF_MAX > 4
+ *dst++ = (ch & 0xFF);
+ *dst++ = ((ch >> 8) & 0xFF);
+ *dst++ = ((ch >> 16) & 0xFF);
+ *dst++ = (ch >> 24);
#else
*dst++ = (ch & 0xFF);
*dst++ = (ch >> 8);
#endif
+#endif
}
*srcReadPtr = src - srcStart;
*dstWrotePtr = dst - dstStart;