mirror of
https://github.com/pygos/init.git
synced 2024-11-25 12:30:42 +01:00
74 lines
2 KiB
C
74 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
|
|
/*
|
|
* Copyright (C) 2018 - David Oberhollenzer
|
|
*
|
|
* 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 <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef UTIL_H
|
|
#define UTIL_H
|
|
|
|
#include <sys/types.h>
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef __GNUC__
|
|
#define NORETURN __attribute__((noreturn))
|
|
#endif
|
|
|
|
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
int value;
|
|
} enum_map_t;
|
|
|
|
enum {
|
|
/* only allow root to connect */
|
|
SOCK_FLAG_ROOT_ONLY = 0x01,
|
|
|
|
/* allow everyone to connect */
|
|
SOCK_FLAG_EVERYONE = 0x02,
|
|
|
|
/* create a datagram socket, otherwise use a stream socket */
|
|
SOCK_FLAG_DGRAM = 0x04,
|
|
};
|
|
|
|
/*
|
|
Search through an array of enum_map_t entries to resolve a string to
|
|
a numeric value. The end of the map is indicated by a sentinel entry
|
|
with the name set to NULL.
|
|
*/
|
|
const enum_map_t *enum_by_name(const enum_map_t *map, const char *name);
|
|
|
|
/*
|
|
Search through an array of enum_map_t entries to resolve a numeric
|
|
value to a string name. The end of the map is indicated by a sentinel
|
|
entry with the name set to NULL.
|
|
*/
|
|
const char *enum_to_name(const enum_map_t *map, int value);
|
|
|
|
/*
|
|
Create a UNIX stream socket at the given path.
|
|
|
|
Returns the socket fd, -1 on failure. The function takes care of
|
|
printing error messages on failure.
|
|
|
|
The socket has the CLOEXEC flag set.
|
|
*/
|
|
int mksock(const char *path, int flags);
|
|
|
|
#endif /* UTIL_H */
|
|
|