The code will need to allocate twice as much
ifaddr_storage structure to be able to return mac
addresses in their own ifaddrs structure.
Signed-off-by: Benoît Canet <ben...@scylladb.com>
---
libc/network/getifaddrs.c | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/libc/network/getifaddrs.c b/libc/network/getifaddrs.c
index a14ac1b..7bab121 100644
--- a/libc/network/getifaddrs.c
+++ b/libc/network/getifaddrs.c
@@ -112,18 +112,27 @@ static void dealwithipv6(stor **list, stor** head)
fclose(f);
}
+int allocate_and_add_ifaddrs(stor **list, stor **head, struct if_nameindex *ii)
+{
+ size_t i;
+ for(i = 0; ii[i].if_index || ii[i].if_name; i++) {
+ stor* curr = list_add(list, head, ii[i].if_name);
+ if(!curr) {
+ return 0;
+ }
+ }
+ return i;
+}
+
int getifaddrs(struct ifaddrs **ifap)
{
stor *list = 0, *head = 0;
struct if_nameindex* ii = if_nameindex();
if(!ii) return -1;
size_t i;
- for(i = 0; ii[i].if_index || ii[i].if_name; i++) {
- stor* curr = list_add(&list, &head, ii[i].if_name);
- if(!curr) {
- if_freenameindex(ii);
- goto err2;
- }
+ if (!allocate_and_add_ifaddrs(&list, &head, ii)) {
+ if_freenameindex(ii);
+ goto err2;
}
if_freenameindex(ii);
--
2.7.4
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