1 /*
2  * posix_fallocate() for uClibc
3  * http://www.opengroup.org/onlinepubs/9699919799/functions/posix_fallocate.html
4  *
5  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
6  *
7  * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
8  */
9 
10 #include <sys/syscall.h>
11 #include <fcntl.h>
12 #include <bits/kernel-features.h>
13 #include <stdint.h>
14 #include <errno.h>
15 
16 #if defined __NR_fallocate
17 extern __typeof(fallocate) __libc_fallocate attribute_hidden;
posix_fallocate(int fd,__off_t offset,__off_t len)18 int posix_fallocate(int fd, __off_t offset, __off_t len)
19 {
20 	if (__libc_fallocate(fd, 0, offset, len))
21 		return errno;
22 	return 0;
23 }
24 # if __WORDSIZE == 64
25 strong_alias(posix_fallocate,posix_fallocate64)
26 # endif
27 #endif
28