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| author | Russ Cox <rsc@swtch.com> | 2014-12-01 20:15:52 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@swtch.com> | 2014-12-02 01:18:40 +0000 |
| commit | fff818fe878ca5edfbac85b15e77ada2acb8ea0f (patch) | |
| tree | 1c528d7e620547fa26704577af3330188154ba46 /src/libdraw | |
| parent | d3a47e14e5ebf7a4d8ca8c9a3dfe748b93d3663a (diff) | |
| download | plan9port-fff818fe878ca5edfbac85b15e77ada2acb8ea0f.tar.gz plan9port-fff818fe878ca5edfbac85b15e77ada2acb8ea0f.tar.bz2 plan9port-fff818fe878ca5edfbac85b15e77ada2acb8ea0f.zip | |
libdraw, libframe, acme: fix, guard against inverted range in textsetselect
Credit to Roi Martin <jroi.martin@gmail.com> for noticing that
libdraw was being passed a negative string length and for finding the
sequence of keystrokes that make acme do it reproducibly.
Change-Id: If3f3d04a25c506175f740d3e887d5d83b5cd1bfe
Reviewed-on: https://plan9port-review.googlesource.com/1092
Reviewed-by: Russ Cox <rsc@swtch.com>
Diffstat (limited to 'src/libdraw')
| -rw-r--r-- | src/libdraw/string.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libdraw/string.c b/src/libdraw/string.c index 4e876c17..392a7e8a 100644 --- a/src/libdraw/string.c +++ b/src/libdraw/string.c @@ -67,6 +67,9 @@ _string(Image *dst, Point pt, Image *src, Point sp, Font *f, char *s, Rune *r, i Font *def; Subfont *sf; + if(len < 0) + sysfatal("libdraw: _string len=%d", len); + if(s == nil){ s = ""; sptr = nil; |