Fix error handling of if_nametoindex.

08fbcd56 · Juliusz Chroboczek · 6e7c289b · 08fbcd56 · 08fbcd56
Commit 08fbcd56 authored Jun 03, 2007 by Juliusz Chroboczek
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Showing with 3 additions and 3 deletions

babel.c babel.c +2 -2

kernel.c kernel.c +1 -1

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--- a/babel.c
+++ b/babel.c
@@ -273,8 +273,8 @@ main(int argc, char **argv)
        int mtu;
        ifindex = if_nametoindex(*arg);
-        if(ifindex < 0) {
+        if(ifindex <= 0) {
-            perror("if_nametoindex");
+            fprintf(stderr, "Unknown interface %s.\n", *arg);
            goto fail;
        }

--- a/kernel.c
+++ b/kernel.c
@@ -212,7 +212,7 @@ kernel_route(int add, const unsigned char *dest, unsigned short plen,
    if(ifindex_lo < 0) {
        ifindex_lo = if_nametoindex("lo");
-        if(ifindex_lo < 0)
+        if(ifindex_lo <= 0)
            return -1;
    }