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author | dgp <dgp@users.sourceforge.net> | 2013-04-08 19:45:55 (GMT) |
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committer | dgp <dgp@users.sourceforge.net> | 2013-04-08 19:45:55 (GMT) |
commit | e62eab9118e1460d3afe28e01dc2b83bbb63194c (patch) | |
tree | 88b8c204f46260baa9bc76dda0d1b56189e75472 /generic/regguts.h | |
parent | 84d7d75f97cf88a8414d4b9832487567cfaf2bd4 (diff) | |
parent | f637643facaa33834a74333f56971933a2158176 (diff) | |
download | tcl-e62eab9118e1460d3afe28e01dc2b83bbb63194c.zip tcl-e62eab9118e1460d3afe28e01dc2b83bbb63194c.tar.gz tcl-e62eab9118e1460d3afe28e01dc2b83bbb63194c.tar.bz2 |
3610026 Stop crash when the number of "colors" in a regular expression
overflows a short int. Thanks to Heikki Linnakangas for the report and
the patch.
Diffstat (limited to 'generic/regguts.h')
-rw-r--r-- | generic/regguts.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/generic/regguts.h b/generic/regguts.h index c77a8fc..ee5c596 100644 --- a/generic/regguts.h +++ b/generic/regguts.h @@ -174,6 +174,7 @@ */ typedef short color; /* colors of characters */ typedef int pcolor; /* what color promotes to */ +#define MAX_COLOR SHRT_MAX /* max color value */ #define COLORLESS (-1) /* impossible color */ #define WHITE 0 /* default color, parent of all others */ |