1 /* vi: set sw=4 ts=4: */
2 /*
3 * fclose_nonstdin implementation for busybox
4 *
5 * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9 #include "libbb.h"
10
11 /* A number of standard utilities can accept multiple command line args
12 * of '-' for stdin, according to SUSv3. So we encapsulate the check
13 * here to save a little space.
14 */
fclose_if_not_stdin(FILE * f)15 int FAST_FUNC fclose_if_not_stdin(FILE *f)
16 {
17 /* Some more paranoid applets want ferror() check too */
18 int r = ferror(f); /* NB: does NOT set errno! */
19 if (r)
20 errno = EIO; /* so we'll help it */
21 if (f != stdin)
22 return (r | fclose(f)); /* fclose does set errno on error */
23 return r;
24 }
25