source: MondoRescue/branches/3.3/mindi-busybox/libbb/fclose_nonstdin.c@ 3621

Last change on this file since 3621 was 3621, checked in by Bruno Cornec, 7 years ago

New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.

File size: 709 bytes
Line 
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
10/* A number of standard utilities can accept multiple command line args
11 * of '-' for stdin, according to SUSv3. So we encapsulate the check
12 * here to save a little space.
13 */
14
15#include "libbb.h"
16
17int FAST_FUNC fclose_if_not_stdin(FILE *f)
18{
19 /* Some more paranoid applets want ferror() check too */
20 int r = ferror(f); /* NB: does NOT set errno! */
21 if (r)
22 errno = EIO; /* so we'll help it */
23 if (f != stdin)
24 return (r | fclose(f)); /* fclose does set errno on error */
25 return r;
26}
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