cosmopolitan/libc/calls/ioctl-default.c

46 lines
2.5 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 │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/weaken.h"
#include "libc/calls/internal.h"
#include "libc/calls/ioctl.h"
#include "libc/nt/winsock.h"
#include "libc/sock/internal.h"
#include "libc/sysv/errfuns.h"
int ioctl$default(int fd, uint64_t request, void *memory) {
int rc;
int64_t handle;
if (!IsWindows()) {
return ioctl$sysv(fd, request, memory);
} else if (__isfdopen(fd)) {
if (g_fds.p[fd].kind == kFdSocket) {
handle = g_fds.p[fd].handle;
if ((rc = weaken(__ioctlsocket$nt)(handle, request, memory)) != -1) {
return rc;
} else {
return weaken(__winsockerr)();
}
} else {
return eopnotsupp();
}
} else {
return ebadf();
}
}