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#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include <str.h>
#include <errno.h>
#include "unix.h"
#ifdef HAS_SOCKETS
#include "socketaddr.h"
value alloc_inet_addr(a)
unsigned long a;
{
value res;
res = alloc(1, Abstract_tag);
GET_INET_ADDR(res) = a;
return res;
}
void get_sockaddr(a)
value a;
{
switch(Tag_val(a)) {
case 0: /* ADDR_UNIX */
{ value path;
mlsize_t len;
path = Field(a, 0);
len = string_length(path);
sock_addr.s_unix.sun_family = AF_UNIX;
if (len >= sizeof(sock_addr.s_unix.sun_path)) {
unix_error(ENAMETOOLONG, "", path);
}
bcopy(String_val(path), sock_addr.s_unix.sun_path, (int) len + 1);
sock_addr_len = sizeof(sock_addr.s_unix.sun_family) + len;
break;
}
case 1: /* ADDR_INET */
{
char * p;
int n;
for (p = (char *) &sock_addr.s_inet, n = sizeof(sock_addr.s_inet);
n > 0; p++, n--)
*p = 0;
sock_addr.s_inet.sin_family = AF_INET;
sock_addr.s_inet.sin_addr.s_addr = GET_INET_ADDR(Field(a, 0));
sock_addr.s_inet.sin_port = htons(Int_val(Field(a, 1)));
sock_addr_len = sizeof(struct sockaddr_in);
break;
}
}
}
value alloc_sockaddr()
{
value res;
switch(sock_addr.s_gen.sa_family) {
case AF_UNIX:
{ Push_roots(n, 1);
n[0] = copy_string(sock_addr.s_unix.sun_path);
res = alloc(1, 0);
Field(res,0) = n[0];
Pop_roots();
break;
}
case AF_INET:
{ Push_roots(a, 1);
a[0] = alloc_inet_addr(sock_addr.s_inet.sin_addr.s_addr);
res = alloc(2, 1);
Field(res,0) = a[0];
Field(res,1) = Val_int(ntohs(sock_addr.s_inet.sin_port));
Pop_roots();
break;
}
default:
unix_error(EAFNOSUPPORT, "", Nothing);
}
return res;
}
#endif
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