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| author | dgp <dgp@users.sourceforge.net> | 2012-02-09 14:57:14 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2012-02-09 14:57:14 (GMT) |
| commit | e808998f32299b76b5d72c1eeab0c61d7b39912e (patch) | |
| tree | f7303d89da1537038ab6344ab79bf0542112cf5f /generic/tclStringObj.c | |
| parent | 99a82a1d2a04b642287809eb986c0a70820cbe1e (diff) | |
| parent | c5427831dfb603ba16dfcc06ff2e4df0babe639e (diff) | |
| download | tcl-e808998f32299b76b5d72c1eeab0c61d7b39912e.zip tcl-e808998f32299b76b5d72c1eeab0c61d7b39912e.tar.gz tcl-e808998f32299b76b5d72c1eeab0c61d7b39912e.tar.bz2 | |
3484402 Correct Off-By-One error appending unicode. Thanks to Poor Yorick.
Also corrected test for when growth is needed.
Diffstat (limited to 'generic/tclStringObj.c')
| -rw-r--r-- | generic/tclStringObj.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index b5b3674..7005223 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -1308,7 +1308,7 @@ AppendUnicodeToUnicodeRep(objPtr, unicode, appendNumChars) numChars = stringPtr->numChars + appendNumChars; stringCheckLimits(numChars); - if (STRING_UALLOC(numChars) >= stringPtr->uallocated) { + if (STRING_UALLOC(numChars) > stringPtr->uallocated) { /* * Protect against case where unicode points into the existing * stringPtr->unicode array. Force it to follow any relocations @@ -1316,7 +1316,7 @@ AppendUnicodeToUnicodeRep(objPtr, unicode, appendNumChars) */ int offset = -1; if (unicode >= stringPtr->unicode && unicode <= stringPtr->unicode - + 1 + stringPtr->uallocated / sizeof(Tcl_UniChar)) { + + stringPtr->uallocated / sizeof(Tcl_UniChar)) { offset = unicode - stringPtr->unicode; } |