mirror of https://github.com/acidanthera/audk.git
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/** @file
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Implementation of getc as declared in <stdio.h>.
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Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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under the terms and conditions of the BSD License that accompanies this
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distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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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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This code is derived from software contributed to Berkeley by
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Chris Torek.
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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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- 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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- 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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- 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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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND 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 COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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NetBSD: getc.c,v 1.11 2003/08/07 16:43:26 agc Exp
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getc.c 8.1 (Berkeley) 6/4/93
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**/
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#include <LibConfig.h>
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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 "reentrant.h"
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#include "local.h"
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/*
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* A subroutine version of the macro getc.
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*/
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#undef getc
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#undef getc_unlocked
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int
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getc(FILE *fp)
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{
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int r;
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_DIAGASSERT(fp != NULL);
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if(fp == NULL) {
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errno = ENOSTR;
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return (EOF);
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}
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FLOCKFILE(fp);
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r = __sgetc(fp);
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FUNLOCKFILE(fp);
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return r;
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}
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int
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getc_unlocked(FILE *fp)
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{
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_DIAGASSERT(fp != NULL);
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if(fp == NULL) {
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errno = ENOSTR;
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return EOF;
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}
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return (__sgetc(fp));
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}
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