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authorRich Felker <dalias@aerifal.cx>2012-07-21 17:56:48 -0400
committerRich Felker <dalias@aerifal.cx>2012-07-21 17:56:48 -0400
commit68c58223672465202958a5da16f19f64f32acf74 (patch)
tree4ea057a942cbedf1ef8dd9fcac3697cb5b9f8560 /src
parentf07222739bc744fd7f5d5a06f2b39d07fde6ab3e (diff)
downloadmusl-68c58223672465202958a5da16f19f64f32acf74.tar.gz
fix logic error for skipping failed interfaces in if_nameindex
Diffstat (limited to 'src')
-rw-r--r--src/network/if_nameindex.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/network/if_nameindex.c b/src/network/if_nameindex.c
index 580acce0..cdb956cb 100644
--- a/src/network/if_nameindex.c
+++ b/src/network/if_nameindex.c
@@ -10,7 +10,7 @@
static void *do_nameindex(int s, size_t n)
{
- size_t i, len;
+ size_t i, len, k;
struct ifconf conf;
struct if_nameindex *idx;
@@ -29,17 +29,16 @@ static void *do_nameindex(int s, size_t n)
}
n = conf.ifc_len / sizeof(struct ifreq);
- for (i=0; i<n; i++) {
+ for (i=k=0; i<n; i++) {
if (ioctl(s, SIOCGIFINDEX, &conf.ifc_req[i]) < 0) {
- i--;
- n--;
+ k++;
continue;
}
- idx[i].if_index = conf.ifc_req[i].ifr_ifindex;
- idx[i].if_name = conf.ifc_req[i].ifr_name;
+ idx[i-k].if_index = conf.ifc_req[i].ifr_ifindex;
+ idx[i-k].if_name = conf.ifc_req[i].ifr_name;
}
- idx[i].if_name = 0;
- idx[i].if_index = 0;
+ idx[i-k].if_name = 0;
+ idx[i-k].if_index = 0;
return idx;
}