diff options
Diffstat (limited to 'generic/tclStringObj.c')
| -rw-r--r-- | generic/tclStringObj.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 490ddf9..251cf66 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -862,6 +862,9 @@ TclGetUniChar( if (stringPtr->numChars == -1) { TclNumUtfCharsM(stringPtr->numChars, objPtr->bytes, objPtr->length); } + if (index >= stringPtr->numChars) { + return -1; + } if (stringPtr->numChars == objPtr->length) { return (unsigned char) objPtr->bytes[index]; } |