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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2008-09-17 02:31:55 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2008-09-17 02:31:55 +0000 |
commit | c92fd8c64782d83d4b08f35c370578cd01cfa9f1 (patch) | |
tree | 4dad1826f4873fa3f134c8fc828c842662411b88 /lib | |
parent | 346774c389571825d7bfbd5b2a065a70c7b02fe5 (diff) | |
download | netpbm-mirror-c92fd8c64782d83d4b08f35c370578cd01cfa9f1.tar.gz netpbm-mirror-c92fd8c64782d83d4b08f35c370578cd01cfa9f1.tar.xz netpbm-mirror-c92fd8c64782d83d4b08f35c370578cd01cfa9f1.zip |
Fix crash when line is completely out of frame
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@727 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libppmd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libppmd.c b/lib/libppmd.c index 167d5c76..1046ce68 100644 --- a/lib/libppmd.c +++ b/lib/libppmd.c @@ -260,6 +260,14 @@ clipEnd0(int const x0, } } + /* Clipping vertically may have moved the endpoint out of frame + horizontally. If so, we know the other endpoint is also out of + frame horizontally and the line misses the frame entirely. + */ + if (cx0 < 0 || cx0 >= cols) { + assert(x1 < 0 || x1 >= cols); + noLine = TRUE; + } *cx0P = cx0; *cy0P = cy0; *noLineP = noLine; |