libnfs/examples/nfs-ln.c

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/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
/*
Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2017
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#define _FILE_OFFSET_BITS 64
#define _GNU_SOURCE
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef AROS
#include "aros_compat.h"
#endif
#ifdef WIN32
#include <win32/win32_compat.h>
#pragma comment(lib, "ws2_32.lib")
WSADATA wsaData;
#define PRId64 "ll"
#else
#include <inttypes.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#ifndef AROS
#include <sys/statvfs.h>
#endif
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "libnfs.h"
#include "libnfs-raw.h"
#include "libnfs-raw-mount.h"
void print_usage(void)
{
fprintf(stderr, "Usage: nfs-ln <url> <old-path> <new-path>\n");
}
int main(int argc, char *argv[])
{
int ret = 1;
struct nfs_context *nfs = NULL;
struct nfsfh *nfsfh = NULL;
struct nfs_url *url = NULL;
#ifdef WIN32
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
printf("Failed to start Winsock2\n");
exit(10);
}
#endif
#ifdef AROS
aros_init_socket();
#endif
if (argc != 4) {
print_usage();
goto finished;
}
nfs = nfs_init_context();
if (nfs == NULL) {
printf("failed to init context\n");
goto finished;
}
url = nfs_parse_url_full(nfs, argv[1]);
if (url == NULL) {
fprintf(stderr, "%s\n", nfs_get_error(nfs));
goto finished;
}
if (nfs_mount(nfs, url->server, url->path) != 0) {
fprintf(stderr, "Failed to mount nfs share : %s\n",
nfs_get_error(nfs));
goto finished;
}
ret = nfs_link(nfs, argv[2], argv[3]);
if (ret) {
fprintf(stderr, "nfs_link() failed with %s\n",
nfs_get_error(nfs));
goto finished;
}
finished:
if (ret > 0) {
print_usage();
}
nfs_destroy_url(url);
if (nfs != NULL) {
if (nfsfh) {
nfs_close(nfs, nfsfh);
}
nfs_destroy_context(nfs);
}
return !!ret;
}