e88e1ab864
gcc recognizes the format function attribute which tells the compiler to expect the format string to look a certain way and for its arguments to be of appropriate types. This helps to prevent errors like the one that was recently fixed in libpayload's assert. Change-Id: I284ae8bff32f72cfd2d1a250d126c729b38a5730 Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: http://review.coreboot.org/1731 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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#ifndef _STDIO_H
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#define _STDIO_H
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#include <stddef.h>
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#define EOF (-1)
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typedef struct _FILE FILE;
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extern FILE *stdout, *stdin, *stderr;
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/**
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* @defgroup printf Print functions
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* @{
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*/
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int snprintf(char *str, size_t size, const char *fmt, ...)
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__attribute__ ((format (printf, 3, 4)));
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int sprintf(char *str, const char *fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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int printf(const char *fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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int fprintf(FILE *file, const char *fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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/** @} */
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void perror(const char *s);
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#define SEEK_SET 0 /**< The seek offset is absolute. */
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#define SEEK_CUR 1 /**< The seek offset is against the current position. */
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#define SEEK_END 2 /**< The seek offset is against the end of the file. */
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#endif
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