Am 22.09.2011 um 19:34 schrieb Christos Zoulas: > In article <dbe1242c-f99e-4b75-b356-516245aca...@msys.ch>, > Marc Balmer <m...@msys.ch> wrote: >>> if (outfd == STDOUT_FILENO) >>> return; >>> >>> - if (lseek(outfd, SEEK_SET, 0) < 0) >>> + if (lseek(outfd, (off_t)0, SEEK_SET) == (off_t)-1) >>> err(1, "could not seek to start of file for header rewrite"); >> >> Fwiw, this never caused a problem since SEEK_SET is defined 0. But why >> is an explicit typecast to off_t needed? Aren't integer cast >> automatically? > > It is belt-and-suspenders if the prototype is not in scope. >
In this case, wouldn't it do the right thing even without a prototype in scope? Would it even compile without a prototype in scope?
