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authorjan.nijtmans <nijtmans@users.sourceforge.net>2022-02-16 14:33:57 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2022-02-16 14:33:57 (GMT)
commit9d7c90707095d35a8f27a6675b2e360c3cb486d2 (patch)
tree31c58de33761242032fe62159d4d8beabfd92baa /generic
parent742e278e9241e450b09d5e89a3acfce1d696ace9 (diff)
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Fix [7deeddb36]: signed integer overflow in Tcl_ScanObjCmd()
Diffstat (limited to 'generic')
-rw-r--r--generic/tclScan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tclScan.c b/generic/tclScan.c
index 6ab17bd..f6ff7a9 100644
--- a/generic/tclScan.c
+++ b/generic/tclScan.c
@@ -923,7 +923,7 @@ Tcl_ScanObjCmd(
if (Tcl_GetWideIntFromObj(NULL, objPtr, &wideValue) != TCL_OK) {
wideValue = ~(Tcl_WideUInt)0 >> 1; /* WIDE_MAX */
if (TclGetString(objPtr)[0] == '-') {
- wideValue++; /* WIDE_MAX + 1 = WIDE_MIN */
+ wideValue += 1U; /* WIDE_MAX + 1 = WIDE_MIN */
}
}
if ((flags & SCAN_UNSIGNED) && (wideValue < 0)) {