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Prototypes for send and recv. Fixed send (pass null address) and sendto

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(fail when a null address is passed to a socket that is not connected).
This commit is contained in:
Philip Homburg 2006-07-14 14:34:00 +00:00
parent 371ac29c9f
commit 59830eda3f
3 changed files with 11 additions and 4 deletions
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4
include/sys/socket.h
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@ -65,9 +65,13 @@ _PROTOTYPE( int setsockopt,(int _socket, int _level, int _option_name,
_PROTOTYPE( int getsockopt, (int _socket, int _level, int _option_name,
void *_RESTRICT _option_value, socklen_t *_RESTRICT _option_len));
_PROTOTYPE( int listen, (int _socket, int _backlog) );
_PROTOTYPE( ssize_t recv, (int _socket, void *_buffer, size_t _length,
int _flags) );
_PROTOTYPE( ssize_t recvfrom, (int _socket, void *_RESTRICT _buffer,
size_t _length, int _flags, struct sockaddr *_RESTRICT _address,
socklen_t *_RESTRICT _address_len) );
_PROTOTYPE( ssize_t send, (int _socket, const void *_buffer,
size_t _length, int _flags) );
_PROTOTYPE( ssize_t sendto, (int _socket, const void *_message,
size_t _length, int _flags, const struct sockaddr *_dest_addr,
socklen_t _dest_len) );

5
lib/ip/send.c
View file

@ -3,9 +3,6 @@
ssize_t send(int socket, const void *buffer, size_t length, int flags)
{
struct sockaddr sa;
sa.sa_family= AF_UNSPEC;
return sendto(socket, buffer, length, flags, &sa, sizeof(sa));
return sendto(socket, buffer, length, flags, NULL, 0);
}

6
lib/ip/sendto.c
View file

@ -68,6 +68,12 @@ static ssize_t _udp_sendto(int socket, const void *message, size_t length,
if ((udpoptp->nwuo_flags & NWUO_RP_ANY) ||
(udpoptp->nwuo_flags & NWUO_RA_ANY))
{
if (!dest_addr)
{
errno= ENOTCONN;
return -1;
}
/* Check destination address */
if (dest_len < sizeof(*sinp))
{