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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2018-09-29 02:55:26 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2018-09-29 02:55:26 +0000 |
commit | c34adb82dc8d0ec0d5a66e9a5af2db18ea825c1b (patch) | |
tree | b12769ddc395dd1263cb7be4000d9a1d8ca0d1e2 /editor | |
parent | 3bbf7f47724bc05c32cd9d4b53425765dfe711ed (diff) | |
download | netpbm-mirror-c34adb82dc8d0ec0d5a66e9a5af2db18ea825c1b.tar.gz netpbm-mirror-c34adb82dc8d0ec0d5a66e9a5af2db18ea825c1b.tar.xz netpbm-mirror-c34adb82dc8d0ec0d5a66e9a5af2db18ea825c1b.zip |
Release 10.73.21
git-svn-id: http://svn.code.sf.net/p/netpbm/code/stable@3347 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'editor')
-rw-r--r-- | editor/pbmmask.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/editor/pbmmask.c b/editor/pbmmask.c index 21ada6b9..25c71226 100644 --- a/editor/pbmmask.c +++ b/editor/pbmmask.c @@ -143,6 +143,11 @@ main(int argc, char * argv[]) { pm_usage( usage ); bits = pbm_readpbm( ifp, &cols, &rows ); + + if (cols == 0 || rows == 0) + pm_error("Image contains no pixels, so there is no such thing " + "as background and foreground"); + pm_close( ifp ); mask = pbm_allocarray( cols, rows ); |