lynxis lazus has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmocore/+/19415 )
Change subject: socket.c: add osmo_sockaddr_cmp()
......................................................................
socket.c: add osmo_sockaddr_cmp()
Compare two osmo_sockaddr.
Change-Id: I2d12ebae2710ffd17cf071e6ada0804e73f87dd6
---
M include/osmocom/core/socket.h
M src/socket.c
2 files changed, 33 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/15/19415/1
diff --git a/include/osmocom/core/socket.h b/include/osmocom/core/socket.h
index 6bfcc4c..b162066 100644
--- a/include/osmocom/core/socket.h
+++ b/include/osmocom/core/socket.h
@@ -110,4 +110,6 @@
int osmo_sock_local_ip(char *local_ip, const char *remote_ip);
+int osmo_sockaddr_cmp(struct osmo_sockaddr *a, struct osmo_sockaddr *b);
+
/*! @} */
diff --git a/src/socket.c b/src/socket.c
index 80d0996..70f96c4 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -1529,6 +1529,37 @@
return 0;
}
+/*! Compare two osmo_sockaddr. Return 0 if they are same
+ * \brief osmo_sockaddr_cmp
+ * \param[in] a
+ * \param[in] b
+ * \return 0 if a and b are equal.
+ */
+int osmo_sockaddr_cmp(struct osmo_sockaddr *a, struct osmo_sockaddr *b)
+{
+ if (!a && !b)
+ return 0;
+ if (!a)
+ return 1;
+ if (!b)
+ return 1;
+ if (a->u.sa.sa_family != b->u.sa.sa_family)
+ return 1;
+
+ switch (a->u.sa.sa_family) {
+ case AF_INET:
+ /* AF_INET has padding, ignore padding */
+ return !(a->u.sin.sin_addr.s_addr == b->u.sin.sin_addr.s_addr &&
+ a->u.sin.sin_port == b->u.sin.sin_port);
+ case AF_INET6:
+ /* AF_INET6 usally not contain any padding */
+ return memcmp(&a->u.sin6, &b->u.sin6, sizeof(struct
sockaddr_in6));
+ }
+
+ /* fallback to memcmp for remaing AF */
+ return memcmp(a, b, sizeof(struct osmo_sockaddr));
+}
+
#endif /* HAVE_SYS_SOCKET_H */
/*! @} */
--
To view, visit https://gerrit.osmocom.org/c/libosmocore/+/19415
To unsubscribe, or for help writing mail filters, visit
https://gerrit.osmocom.org/settings
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I2d12ebae2710ffd17cf071e6ada0804e73f87dd6
Gerrit-Change-Number: 19415
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lyn...@fe80.eu>
Gerrit-MessageType: newchange
