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https://github.com/ARM-software/arm-trusted-firmware.git
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dad25049ce
This patch modifies the declarations of the functions printf() et al. and adds the right GCC attribute to request the compiler to check the type of the arguments passed to these functions against the given format string. This will ensure that the compiler outputs warning messages like the following whenever it detects an inconsistency: file.c:42: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ It also fixes the type mismatch inconsistencies that it revealed across the code base. NOTE: THIS PATCH MAY FORCE PLATFORM PORTS OR SP/SPDS THAT USE THE PRINTF FAMILY OF FUNCTIONS TO FIX ANY TYPE MISMATCH INCONSISTENCIES. Change-Id: If36bb54ec7d6dd2cb4791d89b02a24ac13fd2df6
78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/*-
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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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* @(#)stdio.h 8.5 (Berkeley) 4/29/95
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* $FreeBSD$
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*/
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/*
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* Portions copyright (c) 2013-2014, ARM Limited and Contributors.
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* All rights reserved.
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*/
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#ifndef _STDIO_H_
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#define _STDIO_H_
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#include <sys/cdefs.h>
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#include <sys/_null.h>
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#include <sys/_types.h>
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#ifndef _SIZE_T_DECLARED
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typedef __size_t size_t;
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#define _SIZE_T_DECLARED
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#endif
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#ifndef _SSIZE_T_DECLARED
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#define _SSIZE_T_DECLARED
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typedef __ssize_t ssize_t;
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#endif
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#define EOF (-1)
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int printf(const char * __restrict, ...) __printflike(1, 2);
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int putchar(int);
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int puts(const char *);
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int sprintf(char * __restrict, const char * __restrict, ...)
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__printflike(2, 3);
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int vsprintf(char * __restrict, const char * __restrict,
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__va_list) __printflike(2, 0);
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int sscanf(const char *__restrict, char const *__restrict, ...);
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#if __ISO_C_VISIBLE >= 1999
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int snprintf(char * __restrict, size_t, const char * __restrict,
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...) __printflike(3, 4);
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int vsnprintf(char * __restrict, size_t, const char * __restrict,
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__va_list) __printflike(3, 0);
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#endif
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#endif /* !_STDIO_H_ */
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