/* vi: set sw=4 ts=4: */ /* * fclose_nonstdin implementation for busybox * * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ /* A number of standard utilities can accept multiple command line args * of '-' for stdin, according to SUSv3. So we encapsulate the check * here to save a little space. */ #include "libbb.h" int FAST_FUNC fclose_if_not_stdin(FILE *f) { /* Some more paranoid applets want ferror() check too */ int r = ferror(f); /* NB: does NOT set errno! */ if (r) errno = EIO; /* so we'll help it */ if (f != stdin) return (r | fclose(f)); /* fclose does set errno on error */ return r; }