diff options
Diffstat (limited to 'converter/pbm/g3topbm.c')
-rw-r--r-- | converter/pbm/g3topbm.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/converter/pbm/g3topbm.c b/converter/pbm/g3topbm.c index 2b486324..2a4d84e5 100644 --- a/converter/pbm/g3topbm.c +++ b/converter/pbm/g3topbm.c @@ -788,7 +788,6 @@ main(int argc, const char * argv[]) { struct BitStream bitStream; unsigned int rows, cols; unsigned char ** packedBits; - int row; pm_proginit(&argc, argv); @@ -814,9 +813,13 @@ main(int argc, const char * argv[]) { pm_close(ifP); - pbm_writepbminit(stdout, cols, rows, 0); - for (row = 0; row < rows; ++row) - pbm_writepbmrow_packed(stdout, packedBits[row], cols, 0); + if (cols > 0 && rows > 0) { + unsigned int row; + pbm_writepbminit(stdout, cols, rows, 0); + for (row = 0; row < rows; ++row) + pbm_writepbmrow_packed(stdout, packedBits[row], cols, 0); + } else + pm_error("No image data in input"); pm_close(stdout); |