src/lib/fdatasync-path.c

	fdatasync-path.c revision 79120460f7125f6de695f50d5fabfefd1fc529c5
/* Copyright (c) 2008 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "fdatasync-path.h"

#include <fcntl.h>
#include <unistd.h>

int fdatasync_path(const char *path)
{
    int fd, ret = 0;

    /* Directories need to be opened as read-only.
       fsync() doesn't appear to care about it. */
    fd = open(path, O_RDONLY);
    if (fd == -1)
        return -1;
    if (fdatasync(fd) < 0) {
        if (errno == EBADF) {
            /* At least NetBSD doesn't allow fsyncing directories.
               Silently ignore the problem. */
        } else {
            ret = -1;
        }
    }
    (void)close(fd);
    return ret;
}