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