07c1b4dc67
This is a workaround to make gcc's behavior consistent, since gcc can
transform:
printf("%s\n", s) -> puts(s)
fprintf(fp, "%s", s) -> fputs(s, fp)
as an optimization.
I've left the _DIAGASSERT's that make sure that s != NULL alone because we
should really still abort in a debugging environment.
80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* $NetBSD: fputs.c,v 1.14 2005/06/22 19:45:22 christos Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)fputs.c 8.1 (Berkeley) 6/4/93";
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#else
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__RCSID("$NetBSD: fputs.c,v 1.14 2005/06/22 19:45:22 christos Exp $");
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "reentrant.h"
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#include "local.h"
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#include "fvwrite.h"
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/*
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* Write the given string to the given file.
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*/
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int
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fputs(s, fp)
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const char *s;
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FILE *fp;
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{
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struct __suio uio;
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struct __siov iov;
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int r;
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_DIAGASSERT(s != NULL);
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_DIAGASSERT(fp != NULL);
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if (s == NULL)
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s = "(null)";
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iov.iov_base = __UNCONST(s);
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iov.iov_len = uio.uio_resid = strlen(s);
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uio.uio_iov = &iov;
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uio.uio_iovcnt = 1;
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FLOCKFILE(fp);
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_SET_ORIENTATION(fp, -1);
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r = __sfvwrite(fp, &uio);
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FUNLOCKFILE(fp);
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return r;
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}
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