1 /* Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. 2 3 This program is free software; you can redistribute it and/or modify 4 it under the terms of the GNU General Public License, version 2.0, 5 as published by the Free Software Foundation. 6 7 This program is also distributed with certain software (including 8 but not limited to OpenSSL) that is licensed under separate terms, 9 as designated in a particular file or component or in included license 10 documentation. The authors of MySQL hereby grant you an additional 11 permission to link the program and your derivative works with the 12 separately licensed software that they have included with MySQL. 13 14 Without limiting anything contained in the foregoing, this file, 15 which is part of C Driver for MySQL (Connector/C), is also subject to the 16 Universal FOSS Exception, version 1.0, a copy of which can be found at 17 http://oss.oracle.com/licenses/universal-foss-exception. 18 19 This program is distributed in the hope that it will be useful, 20 but WITHOUT ANY WARRANTY; without even the implied warranty of 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 GNU General Public License, version 2.0, for more details. 23 24 You should have received a copy of the GNU General Public License 25 along with this program; if not, write to the Free Software 26 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ 27 28 /* 29 Helper macros used for setting different __attributes__ 30 on functions in a portable fashion 31 */ 32 33 #ifndef _my_attribute_h 34 #define _my_attribute_h 35 36 #if defined(__GNUC__) 37 # ifndef GCC_VERSION 38 # define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__) 39 # endif 40 #endif 41 42 /* 43 Disable MY_ATTRIBUTE() on g++ < 3.4, and non-gcc compilers. 44 Some forms of __attribute__ are actually supported in earlier versions of 45 g++, but we just disable them all because we only use them to generate 46 compilation warnings. 47 */ 48 #ifndef MY_ATTRIBUTE 49 #if defined(__GNUC__) && GCC_VERSION > 3003 50 # define MY_ATTRIBUTE(A) __attribute__(A) 51 #else 52 # define MY_ATTRIBUTE(A) 53 #endif 54 #endif 55 56 /* 57 __attribute__((format(...))) is only supported in g++ >= 3.4 58 But that's already covered by the MY_ATTRIBUTE tests above, so this is 59 just a convenience macro. 60 */ 61 #ifndef ATTRIBUTE_FORMAT 62 # define ATTRIBUTE_FORMAT(style, m, n) MY_ATTRIBUTE((format(style, m, n))) 63 #endif 64 65 #ifndef ATTRIBUTE_FORMAT_FPTR 66 # define ATTRIBUTE_FORMAT_FPTR(style, m, n) ATTRIBUTE_FORMAT(style, m, n) 67 #endif 68 69 70 #endif 71