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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2011-06-01 12:06:54 (GMT) |
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| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2011-06-01 12:06:54 (GMT) |
| commit | ab1ff5f9d6a78c586f81d6c274544cb5b4c45b92 (patch) | |
| tree | e35c258218b20d4c29d1623b0ff5d5e64b7d8bed | |
| parent | 62704b0bfde72fbf8ffc6f2653b715346cf9e1c4 (diff) | |
| download | tcl-ab1ff5f9d6a78c586f81d6c274544cb5b4c45b92.zip tcl-ab1ff5f9d6a78c586f81d6c274544cb5b4c45b92.tar.gz tcl-ab1ff5f9d6a78c586f81d6c274544cb5b4c45b92.tar.bz2 | |
fix for [Bug 3309871]: Valgrind finds: invalid read in TclMaxListLength()
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | generic/tclUtil.c | 4 |
2 files changed, 7 insertions, 2 deletions
@@ -1,3 +1,8 @@ +2011-06-01 Jan Nijtmans <nijtmans@users.sf.net> + + * generic/tclUtil.c: fix for [Bug 3309871]: Valgrind finds: + invalid read in TclMaxListLength() + 2011-05-25 Don Porter <dgp@users.sourceforge.net> * library/msgcat/msgcat.tcl: Backport improvements to msgcat diff --git a/generic/tclUtil.c b/generic/tclUtil.c index b00489d..9a23291 100644 --- a/generic/tclUtil.c +++ b/generic/tclUtil.c @@ -409,8 +409,8 @@ TclMaxListLength( do { bytes++; numBytes -= (numBytes != -1); - } while (numBytes && TclIsSpaceProc(*bytes)); - if (numBytes == 0) { + } while (numBytes && (*bytes != '\0') && TclIsSpaceProc(*bytes)); + if ((numBytes == 0) || (*bytes == '\0')) { break; } /* (*bytes) is non-space; return to counting state */ |