| 1 | /* $Id: memchr_alias.c 57358 2015-08-14 15:16:38Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - No-CRT memchr() alias for gcc.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2015 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include <iprt/nocrt/string.h>
|
|---|
| 32 | #undef memchr
|
|---|
| 33 |
|
|---|
| 34 | #if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
|
|---|
| 35 | # ifndef __MINGW32__
|
|---|
| 36 | # pragma weak memchr
|
|---|
| 37 | # endif
|
|---|
| 38 |
|
|---|
| 39 | /* No alias support here (yet in the ming case). */
|
|---|
| 40 | extern void *(memchr)(const void *pv, int ch, size_t cb)
|
|---|
| 41 | {
|
|---|
| 42 | return RT_NOCRT(memchr)(pv, ch, cb);
|
|---|
| 43 | }
|
|---|
| 44 |
|
|---|
| 45 | #elif __GNUC__ >= 4
|
|---|
| 46 | /* create a weak alias. */
|
|---|
| 47 | __asm__(".weak memchr\t\n"
|
|---|
| 48 | " .set memchr," RT_NOCRT_STR(memchr) "\t\n");
|
|---|
| 49 | #else
|
|---|
| 50 | /* create a weak alias. */
|
|---|
| 51 | extern __typeof(RT_NOCRT(memchr)) memchr __attribute__((weak, alias(RT_NOCRT_STR(memchr))));
|
|---|
| 52 | #endif
|
|---|
| 53 |
|
|---|
