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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/basic/sysctl-util.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/sysctl-util.h')
-rw-r--r-- | src/basic/sysctl-util.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/basic/sysctl-util.h b/src/basic/sysctl-util.h new file mode 100644 index 0000000..3236419 --- /dev/null +++ b/src/basic/sysctl-util.h @@ -0,0 +1,30 @@ +/* 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); |