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authordgp <dgp@users.sourceforge.net>2024-07-30 16:54:03 (GMT)
committerdgp <dgp@users.sourceforge.net>2024-07-30 16:54:03 (GMT)
commit851ecc7356cb1aad10e829906c0ce15ffa70d36c (patch)
tree212eeaa1e3b6c662776dfa4c4296733644fd9c28 /generic/tclStringObj.c
parentcf81b9fdca550a9645093a3ede4b59d526f81c53 (diff)
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Plug memory leak in format-19.4.1
Diffstat (limited to 'generic/tclStringObj.c')
-rw-r--r--generic/tclStringObj.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c
index 75b4fdd..258d02b 100644
--- a/generic/tclStringObj.c
+++ b/generic/tclStringObj.c
@@ -2530,12 +2530,18 @@ Tcl_AppendFormatToObj(
TclNewObj(segment);
allocSegment = 1;
if (!Tcl_AttemptSetObjLength(segment, length)) {
+ if (allocSegment) {
+ Tcl_DecrRefCount(segment);
+ }
msg = overflow;
errCode = "OVERFLOW";
goto errorMsg;
}
bytes = TclGetString(segment);
if (!Tcl_AttemptSetObjLength(segment, snprintf(bytes, segment->length, spec, d))) {
+ if (allocSegment) {
+ Tcl_DecrRefCount(segment);
+ }
msg = overflow;
errCode = "OVERFLOW";
goto errorMsg;