hush/coreutils/fsync.c
Denys Vlasenko 0ef64bdb40 *: make GNU licensing statement forms more regular
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16 20:14:46 +02:00

45 lines
909 B
C

/* vi: set sw=4 ts=4: */
/*
* Mini fsync implementation for busybox
*
* Copyright (C) 2008 Nokia Corporation. All rights reserved.
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
#ifndef O_NOATIME
# define O_NOATIME 0
#endif
/* This is a NOFORK applet. Be very careful! */
int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int fsync_main(int argc UNUSED_PARAM, char **argv)
{
int status;
int opts;
opts = getopt32(argv, "d"); /* fdatasync */
argv += optind;
if (!*argv) {
bb_show_usage();
}
status = EXIT_SUCCESS;
do {
int fd = open3_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY, 0);
if (fd == -1) {
status = EXIT_FAILURE;
continue;
}
if ((opts ? fdatasync(fd) : fsync(fd))) {
//status = EXIT_FAILURE; - do we want this?
bb_simple_perror_msg(*argv);
}
close(fd);
} while (*++argv);
return status;
}