1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (c) 2008, 2009, 2010 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef COMMAND_LINE_H
#define COMMAND_LINE_H 1
/* Utilities for command-line parsing. */
#include "compiler.h"
struct option;
/* Command handler context */
struct ovs_cmdl_context {
/* number of command line arguments */
int argc;
/* array of command line arguments */
char **argv;
/* private context data defined by the API user */
void *pvt;
};
typedef void (*ovs_cmdl_handler)(struct ovs_cmdl_context *);
struct ovs_cmdl_command {
const char *name;
const char *usage;
int min_args;
int max_args;
ovs_cmdl_handler handler;
enum { OVS_RO, OVS_RW } mode; /* Does this command modify things? */
};
char *ovs_cmdl_long_options_to_short_options(const struct option *options);
struct ovs_cmdl_parsed_option {
const struct option *o;
char *arg;
};
char *ovs_cmdl_parse_all(int argc, char *argv[], const struct option *,
struct ovs_cmdl_parsed_option **, size_t *)
OVS_WARN_UNUSED_RESULT;
char **ovs_cmdl_env_parse_all(int *argcp, char *argv_[],
const char *env_options);
void ovs_cmdl_print_options(const struct option *options);
void ovs_cmdl_print_commands(const struct ovs_cmdl_command *commands);
void ovs_cmdl_run_command(struct ovs_cmdl_context *,
const struct ovs_cmdl_command[]);
void ovs_cmdl_run_command_read_only(struct ovs_cmdl_context *,
const struct ovs_cmdl_command[]);
void ovs_cmdl_proctitle_init(int argc, char **argv);
#if defined(__FreeBSD__) || defined(__NetBSD__)
#define ovs_cmdl_proctitle_set setproctitle
#else
void ovs_cmdl_proctitle_set(const char *, ...)
OVS_PRINTF_FORMAT(1, 2);
#endif
void ovs_cmdl_proctitle_restore(void);
#endif /* command-line.h */
|
