44 lines
2.6 KiB
C
44 lines
2.6 KiB
C
|
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
||
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
||
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
||
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
||
|
|
│ │
|
||
|
|
│ This program is free software; you can redistribute it and/or modify │
|
||
|
|
│ it under the terms of the GNU General Public License as published by │
|
||
|
|
│ the Free Software Foundation; version 2 of the License. │
|
||
|
|
│ │
|
||
|
|
│ This program is distributed in the hope that it will be useful, but │
|
||
|
|
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
|
||
|
|
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
|
||
|
|
│ General Public License for more details. │
|
||
|
|
│ │
|
||
|
|
│ You should have received a copy of the GNU General Public License │
|
||
|
|
│ along with this program; if not, write to the Free Software │
|
||
|
|
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
||
|
|
│ 02110-1301 USA │
|
||
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
||
|
|
#include "libc/assert.h"
|
||
|
|
#include "libc/calls/internal.h"
|
||
|
|
#include "libc/sock/internal.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Performs recv(), recvfrom(), or readv() on Windows NT.
|
||
|
|
*
|
||
|
|
* @param fd must be a socket
|
||
|
|
* @return number of bytes received, or -1 w/ errno
|
||
|
|
*/
|
||
|
|
textwindows ssize_t recvfrom$nt(struct Fd *fd, const struct iovec *iov,
|
||
|
|
size_t iovlen, uint32_t flags,
|
||
|
|
void *opt_out_srcaddr,
|
||
|
|
uint32_t *opt_inout_srcaddrsize) {
|
||
|
|
uint32_t got;
|
||
|
|
struct iovec$nt iovnt[16];
|
||
|
|
got = 0;
|
||
|
|
if (WSARecvFrom(fd->handle, iovnt, iovec2nt(iovnt, iov, iovlen), &got, &flags,
|
||
|
|
opt_out_srcaddr, opt_inout_srcaddrsize, NULL, NULL) != -1) {
|
||
|
|
return got;
|
||
|
|
} else {
|
||
|
|
return winsockerr();
|
||
|
|
}
|
||
|
|
}
|