66 lines
2.5 KiB
Diff
66 lines
2.5 KiB
Diff
From bbfebb42c9023e36fb66f0e3b0bad132ab2fba55 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Sun, 15 Dec 2019 21:47:21 +0900
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Subject: [PATCH] sd-netlink: introduce sd_netlink_message_append_strv()
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(cherry picked from commit 6d725977c4f98a8f5effc33f44aa646cc2b6a0b7)
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Related: #2005008
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---
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src/libsystemd/sd-netlink/netlink-message.c | 29 +++++++++++++++++++++
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src/systemd/sd-netlink.h | 1 +
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2 files changed, 30 insertions(+)
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diff --git a/src/libsystemd/sd-netlink/netlink-message.c b/src/libsystemd/sd-netlink/netlink-message.c
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index 5723e1d21c..55d6510b63 100644
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--- a/src/libsystemd/sd-netlink/netlink-message.c
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+++ b/src/libsystemd/sd-netlink/netlink-message.c
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@@ -259,6 +259,35 @@ int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type,
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return 0;
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}
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+int sd_netlink_message_append_strv(sd_netlink_message *m, unsigned short type, char * const *data) {
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+ size_t length, size;
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+ char * const *p;
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+ int r;
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+
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+ assert_return(m, -EINVAL);
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+ assert_return(!m->sealed, -EPERM);
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+ assert_return(data, -EINVAL);
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+
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+ r = message_attribute_has_type(m, &size, type, NETLINK_TYPE_STRING);
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+ if (r < 0)
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+ return r;
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+
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+ STRV_FOREACH(p, data) {
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+ if (size) {
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+ length = strnlen(*p, size+1);
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+ if (length > size)
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+ return -EINVAL;
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+ } else
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+ length = strlen(*p);
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+
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+ r = add_rtattr(m, type, *p, length + 1);
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+ if (r < 0)
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+ return r;
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+ }
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+
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+ return 0;
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+}
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+
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int sd_netlink_message_append_flag(sd_netlink_message *m, unsigned short type) {
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size_t size;
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int r;
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diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h
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index 1f5c093f11..5a05cd4485 100644
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--- a/src/systemd/sd-netlink.h
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+++ b/src/systemd/sd-netlink.h
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@@ -67,6 +67,7 @@ int sd_netlink_attach_event(sd_netlink *nl, sd_event *e, int64_t priority);
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int sd_netlink_detach_event(sd_netlink *nl);
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int sd_netlink_message_append_string(sd_netlink_message *m, unsigned short type, const char *data);
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+int sd_netlink_message_append_strv(sd_netlink_message *m, unsigned short type, char * const *data);
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int sd_netlink_message_append_flag(sd_netlink_message *m, unsigned short type);
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int sd_netlink_message_append_u8(sd_netlink_message *m, unsigned short type, uint8_t data);
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int sd_netlink_message_append_u16(sd_netlink_message *m, unsigned short type, uint16_t data);
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