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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include "macro.h"
#include "stdio-util.h"
#include "string-util.h"
char *sysctl_normalize(char *s);
int sysctl_read(const char *property, char **value);
int sysctl_write(const char *property, const char *value);
int sysctl_writef(const char *property, const char *format, ...) _printf_(2, 3);
int sysctl_read_ip_property(int af, const char *ifname, const char *property, char **ret);
int sysctl_write_ip_property(int af, const char *ifname, const char *property, const char *value);
static inline int sysctl_write_ip_property_boolean(int af, const char *ifname, const char *property, bool value) {
return sysctl_write_ip_property(af, ifname, property, one_zero(value));
}
#define DEFINE_SYSCTL_WRITE_IP_PROPERTY(name, type, format) \
static inline int sysctl_write_ip_property_##name(int af, const char *ifname, const char *property, type value) { \
char buf[DECIMAL_STR_MAX(type)]; \
xsprintf(buf, format, value); \
return sysctl_write_ip_property(af, ifname, property, buf); \
}
DEFINE_SYSCTL_WRITE_IP_PROPERTY(int, int, "%i");
DEFINE_SYSCTL_WRITE_IP_PROPERTY(uint32, uint32_t, "%" PRIu32);
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