diff options
| -rw-r--r-- | generic/tclStringObj.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 31a6b26..43f8016 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -2916,10 +2916,10 @@ TclStringCatObjv( last = objc - oc; if (length == 0) { first = last; - } - if ((length += numBytes) < 0) { + } else if (numBytes > INT_MAX - length) { goto overflow; } + length += numBytes; } } } while (--oc); @@ -2937,10 +2937,10 @@ TclStringCatObjv( last = objc - oc; if (length == 0) { first = last; - } - if ((length += numChars) < 0) { + } else if (numChars > INT_MAX - length) { goto overflow; } + length += numChars; } } } while (--oc); @@ -2973,10 +2973,10 @@ TclStringCatObjv( } if (length == 0) { first = last; - } - if ((length += numBytes) < 0) { + } else if (numBytes > INT_MAX - length) { goto overflow; } + length += numBytes; } } while (--oc); } |