Return to cdefs.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / dhcp / includes

Annotation of embedaddon/dhcp/includes/cdefs.h, revision 1.1

1.1     ! misho       1: /* cdefs.h
        !             2: 
        !             3:    Standard C definitions... */
        !             4: 
        !             5: /*
        !             6:  * Copyright (c) 1995 RadioMail Corporation.  All rights reserved.
        !             7:  * Copyright (c) 2011 by Internet Systems Consortium, Inc. ("ISC")
        !             8:  * Copyright (c) 2004,2009 by Internet Systems Consortium, Inc. ("ISC")
        !             9:  * Copyright (c) 1996-2003 by Internet Software Consortium
        !            10:  *
        !            11:  * Permission to use, copy, modify, and distribute this software for any
        !            12:  * purpose with or without fee is hereby granted, provided that the above
        !            13:  * copyright notice and this permission notice appear in all copies.
        !            14:  *
        !            15:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
        !            16:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
        !            18:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            19:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            20:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
        !            21:  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            22:  *
        !            23:  *   Internet Systems Consortium, Inc.
        !            24:  *   950 Charter Street
        !            25:  *   Redwood City, CA 94063
        !            26:  *   <info@isc.org>
        !            27:  *   https://www.isc.org/
        !            28:  *
        !            29:  * This software was written for RadioMail Corporation by Ted Lemon
        !            30:  * under a contract with Vixie Enterprises.   Further modifications have
        !            31:  * been made for Internet Systems Consortium under a contract
        !            32:  * with Vixie Laboratories.
        !            33:  */
        !            34: 
        !            35: #if !defined (__ISC_DHCP_CDEFS_H__)
        !            36: #define __ISC_DHCP_CDEFS_H__
        !            37: /* Delete attributes if not gcc or not the right version of gcc. */
        !            38: #if !defined(__GNUC__) || __GNUC__ < 2 || \
        !            39:         (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || defined (darwin)
        !            40: #define __attribute__(x)
        !            41: #endif
        !            42: 
        !            43: /* The following macro handles the case of unwanted return values.  In
        !            44:  * GCC one can specify an attribute for a function to generate a warning
        !            45:  * if the return value of the function is ignored and one can't dispose of
        !            46:  * the warning by the use of void.  In conjunction with the use of -Werror
        !            47:  * these warnings prohibit the compilation of the package.  This macro
        !            48:  * allows us to assign the return value to a variable and then ignore it.
        !            49:  */
        !            50: #if !defined(__GNUC__) || (__GNUC__ < 4)
        !            51: #define IGNORE_RET(x) (void) x
        !            52: #else
        !            53: #define IGNORE_RET(x)                  \
        !            54:        do {                            \
        !            55:                int ignore_return;      \
        !            56:                ignore_return = x;      \
        !            57:        } while (0)
        !            58: #endif
        !            59: 
        !            60: #endif /* __ISC_DHCP_CDEFS_H__ */