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authorLennart Poettering <lennart@poettering.net>2015-08-14 13:11:04 +0200
committerLennart Poettering <lennart@poettering.net>2015-08-14 13:11:04 +0200
commitf43242886cae3daf0474134175707cbc02c05191 (patch)
treee7daa375b02cc9408e6d53bfb21de9484488a380 /src/nss-myhostname/nss-myhostname.c
parentc5974b33e7fa3b777e72181d0fc0d1d22fdab2cd (diff)
nss-myhostname: use LOOPBACK_IFINDEX instead of if_nametoindex("lo")
Given that we already hardocde the loopback ifindex, following the kernel's own logic, we can replace the invocation of if_nametoindex("lo") with LOOPBACK_IFINDEX.
Diffstat (limited to 'src/nss-myhostname/nss-myhostname.c')
-rw-r--r--src/nss-myhostname/nss-myhostname.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/nss-myhostname/nss-myhostname.c b/src/nss-myhostname/nss-myhostname.c
index ab96cb231e..69069cc75d 100644
--- a/src/nss-myhostname/nss-myhostname.c
+++ b/src/nss-myhostname/nss-myhostname.c
@@ -39,7 +39,6 @@
#define LOCALADDRESS_IPV4 (htonl(0x7F000002))
#define LOCALADDRESS_IPV6 &in6addr_loopback
-#define LOOPBACK_INTERFACE "lo"
NSS_GETHOSTBYNAME_PROTOTYPES(myhostname);
NSS_GETHOSTBYADDR_PROTOTYPES(myhostname);
@@ -117,7 +116,7 @@ enum nss_status _nss_myhostname_gethostbyname4_r(
}
/* If this call fails we fill in 0 as scope. Which is fine */
- lo_ifi = n_addresses <= 0 ? if_nametoindex(LOOPBACK_INTERFACE) : 0;
+ lo_ifi = n_addresses <= 0 ? LOOPBACK_IFINDEX : 0;
l = strlen(canonical);
ms = ALIGN(l+1) + ALIGN(sizeof(struct gaih_addrtuple)) * (n_addresses > 0 ? n_addresses : 2);