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#include "libbb.h"
int inet_aton(const char *cp, struct in_addr *inp)
{
unsigned long val = inet_addr(cp);
if (val == INADDR_NONE)
return 0;
inp->S_un.S_addr = val;
return 1;
}
void init_winsock(void)
{
WSADATA wsa;
if (WSAStartup(MAKEWORD(2,2), &wsa))
bb_error_msg_and_die("unable to initialize winsock subsystem, error %d",
WSAGetLastError());
atexit((void(*)(void)) WSACleanup); /* may conflict with other atexit? */
}
int mingw_socket(int domain, int type, int protocol)
{
int sockfd;
SOCKET s = WSASocket(domain, type, protocol, NULL, 0, 0);
if (s == INVALID_SOCKET) {
/*
* WSAGetLastError() values are regular BSD error codes
* biased by WSABASEERR.
* However, strerror() does not know about networking
* specific errors, which are values beginning at 38 or so.
* Therefore, we choose to leave the biased error code
* in errno so that _if_ someone looks up the code somewhere,
* then it is at least the number that are usually listed.
*/
errno = WSAGetLastError();
return -1;
}
/* convert into a file descriptor */
if ((sockfd = _open_osfhandle(s, O_RDWR|O_BINARY)) < 0) {
closesocket(s);
bb_error_msg("unable to make a socket file descriptor: %s",
strerror(errno));
return -1;
}
return sockfd;
}
#undef connect
int mingw_connect(int sockfd, const struct sockaddr *sa, size_t sz)
{
SOCKET s = (SOCKET)_get_osfhandle(sockfd);
return connect(s, sa, sz);
}
#undef bind
int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz)
{
SOCKET s = (SOCKET)_get_osfhandle(sockfd);
return bind(s, sa, sz);
}
#undef setsockopt
int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen)
{
SOCKET s = (SOCKET)_get_osfhandle(sockfd);
return setsockopt(s, lvl, optname, (const char*)optval, optlen);
}
#undef shutdown
int mingw_shutdown(int sockfd, int how)
{
SOCKET s = (SOCKET)_get_osfhandle(sockfd);
return shutdown(s, how);
}
#undef listen
int mingw_listen(int sockfd, int backlog)
{
SOCKET s = (SOCKET)_get_osfhandle(sockfd);
return listen(s, backlog);
}
#undef accept
int mingw_accept(int sockfd1, struct sockaddr *sa, socklen_t *sz)
{
int sockfd2;
SOCKET s1 = (SOCKET)_get_osfhandle(sockfd1);
SOCKET s2 = accept(s1, sa, sz);
/* convert into a file descriptor */
if ((sockfd2 = _open_osfhandle(s2, O_RDWR|O_BINARY)) < 0) {
int err = errno;
closesocket(s2);
bb_error_msg("unable to make a socket file descriptor: %s",
strerror(err));
return -1;
}
return sockfd2;
}
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