1/* Remap a virtual memory address. Linux specific syscall.
2 Copyright (C) 2021-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <sys/mman.h>
20#include <sysdep.h>
21#include <stdarg.h>
22#include <stddef.h>
23
24void *
25__mremap (void *addr, size_t old_len, size_t new_len, int flags, ...)
26{
27 va_list va;
28 void *new_addr = NULL;
29
30 if (flags & MREMAP_FIXED)
31 {
32 va_start (va, flags);
33 new_addr = va_arg (va, void *);
34 va_end (va);
35 }
36
37 return (void *) INLINE_SYSCALL_CALL (mremap, addr, old_len, new_len, flags,
38 new_addr);
39}
40libc_hidden_def (__mremap)
41weak_alias (__mremap, mremap)
42