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-rw-r--r--generic/tclUtf.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/generic/tclUtf.c b/generic/tclUtf.c
index 9dacb53..a7a2091 100644
--- a/generic/tclUtf.c
+++ b/generic/tclUtf.c
@@ -1110,12 +1110,12 @@ TclUtfCasecmp(
CONST char *ct) /* UTF string cs is compared to. */
{
Tcl_UniChar ch1, ch2;
- char c;
+ int goOn;
do {
- /* If c == '\0', loop should end. */
- c = *cs;
+ /* If *cs == '\0' or *ct == '\0', loop should end. */
+ goOn = *cs && *ct;
cs += TclUtfToUniChar(cs, &ch1);
ct += TclUtfToUniChar(ct, &ch2);
@@ -1124,7 +1124,7 @@ TclUtfCasecmp(
ch2 = Tcl_UniCharToLower(ch2);
if (ch1 != ch2) break;
}
- } while (c);
+ } while (goOn);
return (ch1 - ch2);
}