86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/*
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* This handles GCC attributes
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*
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* MUSCLE SmartCard Development ( http://pcsclite.alioth.debian.org/pcsclite.html )
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*
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* Copyright (C) 2005-2010
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* Ludovic Rousseau <ludovic.rousseau@free.fr>
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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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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __misc_h__
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#define __misc_h__
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/*
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* Declare the function as internal to the library: the function name is
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* not exported and can't be used by a program linked to the library
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*
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* see http://gcc.gnu.org/onlinedocs/gcc-3.3.5/gcc/Function-Attributes.html#Function-Attributes
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* see http://www.nedprod.com/programs/gccvisibility.html
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*/
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#if defined(__GNUC__) && \
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(__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) || \
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defined(__SUNPRO_C) && __SUNPRO_C >= 0x590
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#define INTERNAL __attribute__ ((visibility("hidden")))
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#define PCSC_API __attribute__ ((visibility("default")))
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#elif defined(__SUNPRO_C) && __SUNPRO_C >= 0x550
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/* http://wikis.sun.com/display/SunStudio/Macros+for+Shared+Library+Symbol+Visibility */
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#define INTERNAL __hidden
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#define PCSC_API __global
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#else
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#define INTERNAL
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#define PCSC_API
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#endif
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#define EXTERNAL PCSC_API
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#if defined __GNUC__
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/* GNU Compiler Collection (GCC) */
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#define CONSTRUCTOR __attribute__ ((constructor))
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#define DESTRUCTOR __attribute__ ((destructor))
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#else
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/* SUN C compiler does not use __attribute__ but #pragma init (function)
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* We can't use a # inside a #define so it is not possible to use
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* #define CONSTRUCTOR_DECLARATION(x) #pragma init (x)
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* The #pragma is used directly where needed */
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/* any other */
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#define CONSTRUCTOR
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#define DESTRUCTOR
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#endif
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef COUNT_OF
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#define COUNT_OF(arr) (sizeof(arr)/sizeof(arr[0]))
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#endif
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#endif /* __misc_h__ */
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