cwebp creates 0-byte output file upon bad input

[GoogleCodeExporter]

Example:

   cwebp bad.png -o foo.webp

where 'bad.png' is an erroneous file (doesn't exist, isn't PNG, etc.) 

One shouldn't create a foo.webp empty file
Instead: foo.webp is created and has a size of 0.

Original issue reported on code.google.com by pascal.m...@gmail.com on 25 Feb 2011 at 1:14

[GoogleCodeExporter]

fixed by https://review.webmproject.org/#change,1817

Original comment by s...@google.com on 25 Feb 2011 at 8:09

• Changed state: Fixed

[GoogleCodeExporter]

http://www.codingslover.com/2015/07/how-to-create-webp-image-in-php.html

Original comment by elangova...@gmail.com on 16 Jul 2015 at 6:28