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TP-Link_Archer-XR500v/EN7526G_3.18Kernel_SDK/apps/public/tools/strace-4.5.18/ioctl.c
2024-07-22 01:58:46 -03:00

211 lines
5.9 KiB
C
Executable File

/*
* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* Copyright (c) 1996-2001 Wichert Akkerman <wichert@cistron.nl>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: //BBN_Linux/Branch/Branch_for_Rel_TP_ASEAN_20161216/tclinux_phoenix/apps/public/tools/strace-4.5.18/ioctl.c#1 $
*/
#include "defs.h"
const struct ioctlent ioctlent0[] = {
/*
* `ioctlent.h' may be generated from `ioctlent.raw' by the auxiliary
* program `ioctlsort', such that the list is sorted by the `code' field.
* This has the side-effect of resolving the _IO.. macros into
* plain integers, eliminating the need to include here everything
* in "/usr/include" .
*/
#include "ioctlent.h"
};
#ifdef LINUX
#include <asm/ioctl.h>
#endif
const int nioctlents0 = sizeof ioctlent0 / sizeof ioctlent0[0];
#if SUPPORTED_PERSONALITIES >= 2
const struct ioctlent ioctlent1[] = {
#include "ioctlent1.h"
};
const int nioctlents1 = sizeof ioctlent1 / sizeof ioctlent1[0];
#endif /* SUPPORTED_PERSONALITIES >= 2 */
#if SUPPORTED_PERSONALITIES >= 3
const struct ioctlent ioctlent2[] = {
#include "ioctlent2.h"
};
const int nioctlents2 = sizeof ioctlent2 / sizeof ioctlent2[0];
#endif /* SUPPORTED_PERSONALITIES >= 3 */
const struct ioctlent *ioctlent;
int nioctlents;
static int
compare(a, b)
const void *a;
const void *b;
{
unsigned long code1 = ((struct ioctlent *) a)->code;
unsigned long code2 = ((struct ioctlent *) b)->code;
return (code1 > code2) ? 1 : (code1 < code2) ? -1 : 0;
}
const struct ioctlent *
ioctl_lookup(code)
long code;
{
struct ioctlent *iop, ioent;
ioent.code = code;
#ifdef LINUX
ioent.code &= (_IOC_NRMASK<<_IOC_NRSHIFT) | (_IOC_TYPEMASK<<_IOC_TYPESHIFT);
#endif
iop = (struct ioctlent *) bsearch((char *) &ioent, (char *) ioctlent,
nioctlents, sizeof(struct ioctlent), compare);
while (iop > ioctlent)
if ((--iop)->code != ioent.code) {
iop++;
break;
}
return iop;
}
const struct ioctlent *
ioctl_next_match(iop)
const struct ioctlent *iop;
{
long code;
code = (iop++)->code;
if (iop < ioctlent + nioctlents && iop->code == code)
return iop;
return NULL;
}
int
ioctl_decode(tcp, code, arg)
struct tcb *tcp;
long code, arg;
{
switch ((code >> 8) & 0xff) {
#ifdef LINUX
#if defined(ALPHA) || defined(POWERPC)
case 'f': case 't': case 'T':
#else /* !ALPHA */
case 0x54:
#endif /* !ALPHA */
#else /* !LINUX */
case 'f': case 't': case 'T':
#endif /* !LINUX */
return term_ioctl(tcp, code, arg);
#ifdef LINUX
case 0x89:
#else /* !LINUX */
case 'r': case 's': case 'i':
#ifndef FREEBSD
case 'p':
#endif
#endif /* !LINUX */
return sock_ioctl(tcp, code, arg);
#ifdef USE_PROCFS
#ifndef HAVE_MP_PROCFS
#ifndef FREEBSD
case 'q':
#else
case 'p':
#endif
return proc_ioctl(tcp, code, arg);
#endif
#endif /* USE_PROCFS */
#ifdef HAVE_SYS_STREAM_H
case 'S':
return stream_ioctl(tcp, code, arg);
#endif /* HAVE_SYS_STREAM_H */
#ifdef LINUX
case 'p':
return rtc_ioctl(tcp, code, arg);
case 0x22:
return scsi_ioctl(tcp, code, arg);
#endif
default:
break;
}
return 0;
}
/*
* Registry of ioctl characters, culled from
* @(#)ioccom.h 1.7 89/06/16 SMI; from UCB ioctl.h 7.1 6/4/86
*
* char file where defined notes
* ---- ------------------ -----
* F sun/fbio.h
* G sun/gpio.h
* H vaxif/if_hy.h
* M sundev/mcpcmd.h *overlap*
* M sys/modem.h *overlap*
* S sys/stropts.h
* T sys/termio.h -no overlap-
* T sys/termios.h -no overlap-
* V sundev/mdreg.h
* a vaxuba/adreg.h
* d sun/dkio.h -no overlap with sys/des.h-
* d sys/des.h (possible overlap)
* d vax/dkio.h (possible overlap)
* d vaxuba/rxreg.h (possible overlap)
* f sys/filio.h
* g sunwindow/win_ioctl.h -no overlap-
* g sunwindowdev/winioctl.c !no manifest constant! -no overlap-
* h sundev/hrc_common.h
* i sys/sockio.h *overlap*
* i vaxuba/ikreg.h *overlap*
* k sundev/kbio.h
* m sundev/msio.h (possible overlap)
* m sundev/msreg.h (possible overlap)
* m sys/mtio.h (possible overlap)
* n sun/ndio.h
* p net/nit_buf.h (possible overlap)
* p net/nit_if.h (possible overlap)
* p net/nit_pf.h (possible overlap)
* p sundev/fpareg.h (possible overlap)
* p sys/sockio.h (possible overlap)
* p vaxuba/psreg.h (possible overlap)
* q sun/sqz.h
* r sys/sockio.h
* s sys/sockio.h
* t sys/ttold.h (possible overlap)
* t sys/ttycom.h (possible overlap)
* v sundev/vuid_event.h *overlap*
* v sys/vcmd.h *overlap*
*
* End of Registry
*/