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authorstanton <stanton>1999-06-03 18:43:30 (GMT)
committerstanton <stanton>1999-06-03 18:43:30 (GMT)
commit1ee755b0c7f5e4fdcfcce9b291e9eef6aa37c18c (patch)
treec08c858dca740efb49396a89896647c6016c2393 /generic
parentafdabb4790d357c3b065250f1af0b9ce4860f8b1 (diff)
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* generic/tclCmdMZ.c (Tcl_StringObjCmd):
* tests/string.test: Fixed bug where string equal/compare -nocase reported wrong result on null strings. [Bug: 2138]
Diffstat (limited to 'generic')
-rw-r--r--generic/tclCmdMZ.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/generic/tclCmdMZ.c b/generic/tclCmdMZ.c
index fdc89b7..19b9ece 100644
--- a/generic/tclCmdMZ.c
+++ b/generic/tclCmdMZ.c
@@ -13,7 +13,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclCmdMZ.c,v 1.11 1999/06/02 01:53:31 stanton Exp $
+ * RCS: @(#) $Id: tclCmdMZ.c,v 1.12 1999/06/03 18:43:30 stanton Exp $
*/
#include "tclInt.h"
@@ -876,21 +876,32 @@ Tcl_StringObjCmd(dummy, interp, objc, objv)
/*
* Anything matches at 0 chars, right?
*/
+
match = 0;
} else if (nocase || ((reqlength > 0) && (reqlength <= length))) {
/*
* with -nocase or -length we have to check true char length
* as it could be smaller than expected
*/
+
length1 = Tcl_NumUtfChars(string1, length1);
length2 = Tcl_NumUtfChars(string2, length2);
length = (length1 < length2) ? length1 : length2;
+
/*
* Do the reqlength check again, against 0 as well for
* the benfit of nocase
*/
+
if ((reqlength > 0) && (reqlength < length)) {
length = reqlength;
+ } else if (reqlength < 0) {
+ /*
+ * The requested length is negative, so we ignore it by
+ * setting it to the longer of the two lengths.
+ */
+
+ reqlength = (length1 > length2) ? length1 : length2;
}
if (nocase) {
match = Tcl_UtfNcasecmp(string1, string2,