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nodelist: Clear buffers and detect more caller errors in describe.c

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Part of 21003.
This commit is contained in:
teor 2019-08-19 16:36:20 +10:00
parent 23844bc739
commit e8ba094c3e
1 changed files with 19 additions and 0 deletions
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19
src/feature/nodelist/describe.c
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@ -44,6 +44,13 @@ format_node_description(char *buf,
if (!buf)
return "<NULL BUFFER>";
memset(buf, 0, NODE_DESC_BUF_LEN);
if (!id_digest) {
memcpy(buf, "<NULL ID DIGEST>", 17);
return buf;
}
buf[0] = '$';
base16_encode(buf+1, HEX_DIGEST_LEN+1, id_digest, DIGEST_LEN);
cp = buf+1+HEX_DIGEST_LEN;
@ -122,6 +129,8 @@ node_describe(const node_t *node)
nickname = node->ri->nickname;
addr32h = node->ri->addr;
ipv6_addr = &node->ri->ipv6_addr;
} else {
return "<null rs and ri>";
}
return format_node_description(buf,
@ -179,6 +188,16 @@ extend_info_describe(const extend_info_t *ei)
void
router_get_verbose_nickname(char *buf, const routerinfo_t *router)
{
if (!buf)
return;
memset(buf, 0, MAX_VERBOSE_NICKNAME_LEN+1);
if (!router) {
memcpy(buf, "<null>", 7);
return;
}
buf[0] = '$';
base16_encode(buf+1, HEX_DIGEST_LEN+1, router->cache_info.identity_digest,
DIGEST_LEN);