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-rw-r--r--libtiff/tif_ojpeg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c
index 87198200..0af54fb9 100644
--- a/libtiff/tif_ojpeg.c
+++ b/libtiff/tif_ojpeg.c
@@ -1254,10 +1254,10 @@ OJPEGWriteHeaderInfo(TIFF* tif)
*m++=sp->subsampling_convert_cbbuf+n*sp->subsampling_convert_clinelen;
for (n=0; n<sp->subsampling_convert_clines; n++)
*m++=sp->subsampling_convert_crbuf+n*sp->subsampling_convert_clinelen;
- sp->subsampling_convert_clinelenout=((sp->strile_width+sp->subsampling_hor-1)/sp->subsampling_hor);
+ sp->subsampling_convert_clinelenout=sp->strile_width/sp->subsampling_hor + ((sp->strile_width % sp->subsampling_hor) != 0 ? 1 : 0);
sp->subsampling_convert_state=0;
sp->bytes_per_line=sp->subsampling_convert_clinelenout*(sp->subsampling_ver*sp->subsampling_hor+2);
- sp->lines_per_strile=((sp->strile_length+sp->subsampling_ver-1)/sp->subsampling_ver);
+ sp->lines_per_strile=sp->strile_length/sp->subsampling_ver + ((sp->strile_length % sp->subsampling_ver) != 0 ? 1 : 0);
sp->subsampling_convert_log=1;
}
}