diff options
Diffstat (limited to 'lib/urldata.h')
| -rw-r--r-- | lib/urldata.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/lib/urldata.h b/lib/urldata.h index 76de45757..c51ccf303 100644 --- a/lib/urldata.h +++ b/lib/urldata.h @@ -450,9 +450,21 @@ struct connectdata { #define PROT_FTPS (1<<9) #define PROT_SSL (1<<10) /* protocol requires SSL */ - /* the particular host we use, in two different ways */ + /* 'dns_entry' is the particular host we use. This points to an entry in the + DNS cache and it will not get pruned while locked. It gets unlocked in + Curl_done() */ struct Curl_dns_entry *dns_entry; - Curl_addrinfo *ip_addr; /* the particular IP we connected to */ + + /* 'ip_addr' is the particular IP we connected to. It points to a struct + within the DNS cache, so this pointer is only valid as long as the DNS + cache entry remains locked. It gets unlocked in Curl_done() */ + Curl_addrinfo *ip_addr; + + /* 'ip_addr_str' is the ip_addr data as a human readable malloc()ed string. + It remains available as long as the connection does, which is longer than + the ip_addr itself. Currently, this is only set (and used) in + url.c:verboseconnect(). */ + char *ip_addr_str; char protostr[16]; /* store the protocol string in this buffer */ |