summaryrefslogtreecommitdiff
path: root/libc/inet
diff options
context:
space:
mode:
Diffstat (limited to 'libc/inet')
-rw-r--r--libc/inet/resolv.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
index 30e555db0..4e82776a5 100644
--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
@@ -57,7 +57,7 @@
#define MAX_SERVERS 3
#define MAX_SEARCH 4
-#undef DEBUG
+#define DEBUG
#ifdef DEBUG
static inline void DPRINTF(const char *format, ...)
{
@@ -80,7 +80,9 @@ int encode_header(struct resolv_header *h, unsigned char *dest, int maxlen)
dest[1] = (h->id & 0x00ff) >> 0;
dest[2] = (h->qr ? 0x80 : 0) |
((h->opcode & 0x0f) << 3) |
- (h->aa ? 0x04 : 0) | (h->tc ? 0x02 : 0) | (h->rd ? 0x01 : 0);
+ (h->aa ? 0x04 : 0) |
+ (h->tc ? 0x02 : 0) |
+ (h->rd ? 0x01 : 0);
dest[3] = (h->ra ? 0x80 : 0) | (h->rcode & 0x0f);
dest[4] = (h->qdcount & 0xff00) >> 8;
dest[5] = (h->qdcount & 0x00ff) >> 0;
@@ -165,10 +167,7 @@ int decode_dotted(const unsigned char *data, int offset,
if (!data)
return -1;
- while ((l = data[offset++])) {
-
- if (measure && total++)
- break;
+ while ((measure && total++), (l=data[offset++])) {
if ((l & 0xc0) == (0xc0)) {
if (measure)
@@ -348,11 +347,11 @@ int decode_answer(unsigned char *message, int offset,
#ifdef L_encodep
int encode_packet(struct resolv_header *h,
- struct resolv_question **q,
- struct resolv_answer **an,
- struct resolv_answer **ns,
- struct resolv_answer **ar,
- unsigned char *dest, int maxlen)
+ struct resolv_question **q,
+ struct resolv_answer **an,
+ struct resolv_answer **ns,
+ struct resolv_answer **ar,
+ unsigned char *dest, int maxlen)
{
int i, total = 0;
int j;
@@ -670,6 +669,7 @@ int resolve_address(const char *address, int nscount,
free(a.dotted);
if (a.atype == T_CNAME) { /* CNAME */
+ DPRINTF("Got a CNAME in resolve_address()\n");
i = decode_dotted(packet, a.rdoffset, temp, sizeof(temp));
free(packet);
@@ -728,6 +728,7 @@ int resolve_mailbox(const char *address,
free(a.dotted);
if (a.atype == T_CNAME) { /* CNAME */
+ DPRINTF("Got a CNAME in resolve_mailbox()\n");
i = decode_dotted(packet, a.rdoffset, temp, sizeof(temp));
free(packet);
if (i < 0)
@@ -861,15 +862,11 @@ struct hostent *gethostbyname(const char *name)
/* First check if this is already an address */
if (inet_aton(name, &in)) {
- i = inet_aton( name, &in);
-
- if (i >= 0) {
- h.h_name = namebuf;
- h.h_addrtype = AF_INET;
- h.h_length = sizeof(in);
- h.h_addr_list = (char **) addr_list;
- return &h;
- }
+ h.h_name = namebuf;
+ h.h_addrtype = AF_INET;
+ h.h_length = sizeof(in);
+ h.h_addr_list = (char **) addr_list;
+ return &h;
}
for (;;) {
@@ -884,6 +881,7 @@ struct hostent *gethostbyname(const char *name)
if (a.atype == T_CNAME) { /* CNAME */
+ DPRINTF("Got a CNAME in gethostbyname()\n");
i = decode_dotted(packet, a.rdoffset, namebuf, sizeof(namebuf));
free(packet);
@@ -938,7 +936,8 @@ struct hostent *gethostbyaddr(const char *addr, int len, int type)
sprintf(namebuf, "%d.%d.%d.%d.in-addr.arpa",
(in.s_addr >> 24) & 0xff,
(in.s_addr >> 16) & 0xff,
- (in.s_addr >> 8) & 0xff, (in.s_addr >> 0) & 0xff);
+ (in.s_addr >> 8) & 0xff,
+ (in.s_addr >> 0) & 0xff);
for (;;) {
@@ -951,6 +950,7 @@ struct hostent *gethostbyaddr(const char *addr, int len, int type)
free(a.dotted);
if (a.atype == T_CNAME) { /* CNAME */
+ DPRINTF("Got a CNAME in gethostbyaddr()\n");
i = decode_dotted(packet, a.rdoffset, namebuf, sizeof(namebuf));
free(packet);