1 /* 2 * This handles GCC attributes 3 * 4 * MUSCLE SmartCard Development ( https://pcsclite.apdu.fr/ ) 5 * 6 * Copyright (C) 2005-2010 7 * Ludovic Rousseau <ludovic.rousseau@free.fr> 8 * 9 Redistribution and use in source and binary forms, with or without 10 modification, are permitted provided that the following conditions 11 are met: 12 13 1. Redistributions of source code must retain the above copyright 14 notice, this list of conditions and the following disclaimer. 15 2. Redistributions in binary form must reproduce the above copyright 16 notice, this list of conditions and the following disclaimer in the 17 documentation and/or other materials provided with the distribution. 18 3. The name of the author may not be used to endorse or promote products 19 derived from this software without specific prior written permission. 20 21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef __misc_h__ 34 #define __misc_h__ 35 36 /* 37 * Declare the function as internal to the library: the function name is 38 * not exported and can't be used by a program linked to the library 39 * 40 * see http://gcc.gnu.org/onlinedocs/gcc-3.3.5/gcc/Function-Attributes.html#Function-Attributes 41 * see http://www.nedprod.com/programs/gccvisibility.html 42 */ 43 #if defined(__GNUC__) && \ 44 (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) || \ 45 defined(__SUNPRO_C) && __SUNPRO_C >= 0x590 46 #define INTERNAL __attribute__ ((visibility("hidden"))) 47 #ifndef PCSC_API 48 #define PCSC_API __attribute__ ((visibility("default"))) 49 #endif 50 #elif defined(__SUNPRO_C) && __SUNPRO_C >= 0x550 51 /* http://wikis.sun.com/display/SunStudio/Macros+for+Shared+Library+Symbol+Visibility */ 52 #define INTERNAL __hidden 53 #define PCSC_API __global 54 #else 55 #define INTERNAL 56 #define PCSC_API 57 #endif 58 #define EXTERNAL PCSC_API 59 60 #if defined __GNUC__ 61 62 /* GNU Compiler Collection (GCC) */ 63 #define CONSTRUCTOR __attribute__ ((constructor)) 64 #define DESTRUCTOR __attribute__ ((destructor)) 65 66 #else 67 68 /* SUN C compiler does not use __attribute__ but #pragma init (function) 69 * We can't use a # inside a #define so it is not possible to use 70 * #define CONSTRUCTOR_DECLARATION(x) #pragma init (x) 71 * The #pragma is used directly where needed */ 72 73 /* any other */ 74 #define CONSTRUCTOR 75 #define DESTRUCTOR 76 77 #endif 78 79 #ifndef min 80 #define min(a,b) (((a) < (b)) ? (a) : (b)) 81 #endif 82 83 #ifndef COUNT_OF 84 #define COUNT_OF(arr) (sizeof(arr)/sizeof(arr[0])) 85 #endif 86 87 #endif /* __misc_h__ */ 88