android13/external/bcc/libbpf-tools/android/argp.h

65 lines
1.4 KiB
C

/*
* Copyright 2022 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <errno.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ARGP_ERR_UNKNOWN -1
#define ARGP_HELP_STD_HELP 0
#define ARGP_KEY_ARG '\0'
#define ARGP_KEY_END 256
#define OPTION_HIDDEN 1
struct argp_option {
const char *name;
const int key;
const char *argname;
int n;
const char *docstring;
};
struct argp_state {
int arg_num;
void *input;
const struct argp *argp;
};
typedef int error_t;
struct argp {
const struct argp_option *options;
error_t (*parser)(int key, char *arg, struct argp_state *state);
const char *doc;
const char *args_doc;
};
error_t argp_parse(const struct argp *argp, int argc, char **argv, int, void*, void*);
void argp_usage(struct argp_state*);
void argp_state_help(struct argp_state*, FILE *fd, int);
#ifdef __cplusplus
}
#endif