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