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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2020-03-26 02:06:57 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2020-03-26 02:06:57 +0000 |
commit | 99d760c5aa3dac7cbde58d10c7b0a9213602d7ad (patch) | |
tree | 57764fe3668a003963f96da6352ec82f2b442888 /editor | |
parent | b7cd16e68be723fdb25725de1d59763fc7272fae (diff) | |
download | netpbm-mirror-99d760c5aa3dac7cbde58d10c7b0a9213602d7ad.tar.gz netpbm-mirror-99d760c5aa3dac7cbde58d10c7b0a9213602d7ad.tar.xz netpbm-mirror-99d760c5aa3dac7cbde58d10c7b0a9213602d7ad.zip |
Release 10.86.11
git-svn-id: http://svn.code.sf.net/p/netpbm/code/stable@3775 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'editor')
-rw-r--r-- | editor/pnmshear.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/editor/pnmshear.c b/editor/pnmshear.c index 1c330bb7..c705c261 100644 --- a/editor/pnmshear.c +++ b/editor/pnmshear.c @@ -217,6 +217,7 @@ main(int argc, const char * argv[]) { int row; xelval maxval, newmaxval; double shearfac; + double newcolsD; struct CmdlineInfo cmdline; @@ -242,7 +243,12 @@ main(int argc, const char * argv[]) { shearfac = fabs(tan(cmdline.angle)); - newcols = rows * shearfac + cols + 0.999999; + newcolsD = (double) rows * shearfac + cols + 0.999999; + if (newcolsD > INT_MAX-2) + pm_error("angle is too close to +/-90 degrees; " + "output image too wide for computation"); + else + newcols = (int) newcolsD; pnm_writepnminit(stdout, newcols, rows, newmaxval, newformat, 0); newxelrow = pnm_allocrow(newcols); |