tree 4c043e8855b1bb36f3d0a0cbde95279b54d0457a
parent 0db7552e001f3589c6372f33e09d511bc565c499
author Akira TAGOH <akira@tagoh.org> 1473215951 +0900
committer Akira TAGOH <akira@tagoh.org> 1473215951 +0900

Don't call perror() if no changes happens in errno