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sd-netlink: introduce sd_netlink_message_append_s8() and friends

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This commit is contained in:
Susant Sahani
2020-03-02 15:51:16 +09:00
committed by Yu Watanabe
parent f2c5c1296a
commit aa550d2a51
3 changed files with 76 additions and 0 deletions
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68
src/libsystemd/sd-netlink/netlink-message.c
View File

@@ -343,6 +343,74 @@ int sd_netlink_message_append_u64(sd_netlink_message *m, unsigned short type, ui
return 0;
}
int sd_netlink_message_append_s8(sd_netlink_message *m, unsigned short type, int8_t data) {
int r;
assert_return(m, -EINVAL);
assert_return(!m->sealed, -EPERM);
r = message_attribute_has_type(m, NULL, type, NETLINK_TYPE_S8);
if (r < 0)
return r;
r = add_rtattr(m, type, &data, sizeof(int8_t));
if (r < 0)
return r;
return 0;
}
int sd_netlink_message_append_s16(sd_netlink_message *m, unsigned short type, int16_t data) {
int r;
assert_return(m, -EINVAL);
assert_return(!m->sealed, -EPERM);
r = message_attribute_has_type(m, NULL, type, NETLINK_TYPE_S16);
if (r < 0)
return r;
r = add_rtattr(m, type, &data, sizeof(int16_t));
if (r < 0)
return r;
return 0;
}
int sd_netlink_message_append_s32(sd_netlink_message *m, unsigned short type, int32_t data) {
int r;
assert_return(m, -EINVAL);
assert_return(!m->sealed, -EPERM);
r = message_attribute_has_type(m, NULL, type, NETLINK_TYPE_S32);
if (r < 0)
return r;
r = add_rtattr(m, type, &data, sizeof(int32_t));
if (r < 0)
return r;
return 0;
}
int sd_netlink_message_append_s64(sd_netlink_message *m, unsigned short type, int64_t data) {
int r;
assert_return(m, -EINVAL);
assert_return(!m->sealed, -EPERM);
r = message_attribute_has_type(m, NULL, type, NETLINK_TYPE_S64);
if (r < 0)
return r;
r = add_rtattr(m, type, &data, sizeof(int64_t));
if (r < 0)
return r;
return 0;
}
int sd_netlink_message_append_data(sd_netlink_message *m, unsigned short type, const void *data, size_t len) {
int r;

4
src/libsystemd/sd-netlink/netlink-types.h
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@@ -9,6 +9,10 @@ enum {
NETLINK_TYPE_U16, /* NLA_U16 */
NETLINK_TYPE_U32, /* NLA_U32 */
NETLINK_TYPE_U64, /* NLA_U64 */
NETLINK_TYPE_S8, /* NLA_S8 */
NETLINK_TYPE_S16, /* NLA_S16 */
NETLINK_TYPE_S32, /* NLA_S32 */
NETLINK_TYPE_S64, /* NLA_S64 */
NETLINK_TYPE_STRING, /* NLA_STRING */
NETLINK_TYPE_FLAG, /* NLA_FLAG */
NETLINK_TYPE_IN_ADDR,

4
src/systemd/sd-netlink.h
View File

@@ -86,6 +86,10 @@ int sd_netlink_message_append_u8(sd_netlink_message *m, unsigned short type, uin
int sd_netlink_message_append_u16(sd_netlink_message *m, unsigned short type, uint16_t data);
int sd_netlink_message_append_u32(sd_netlink_message *m, unsigned short type, uint32_t data);
int sd_netlink_message_append_u64(sd_netlink_message *m, unsigned short type, uint64_t data);
int sd_netlink_message_append_s8(sd_netlink_message *m, unsigned short type, int8_t data);
int sd_netlink_message_append_s16(sd_netlink_message *m, unsigned short type, int16_t data);
int sd_netlink_message_append_s32(sd_netlink_message *m, unsigned short type, int32_t data);
int sd_netlink_message_append_s64(sd_netlink_message *m, unsigned short type, int64_t data);
int sd_netlink_message_append_data(sd_netlink_message *m, unsigned short type, const void *data, size_t len);
int sd_netlink_message_append_in_addr(sd_netlink_message *m, unsigned short type, const struct in_addr *data);
int sd_netlink_message_append_in6_addr(sd_netlink_message *m, unsigned short type, const struct in6_addr *data);