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evdev.c: move handling of EVIOCGBIT to a separate function

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* evdev.c (evdev_read_ioctl): Move EVIOCGBIT handling to ...
(bit_ioctl): ... new function.
This commit is contained in:
Дмитрий Левин 2016-05-27 00:40:18 +00:00
parent 8a18f80a37
commit 53767d8ec5
1 changed files with 49 additions and 44 deletions
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93
evdev.c
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@ -307,6 +307,53 @@ repeat_ioctl(struct tcb *tcp, long arg)
}
# endif /* EVIOCGREP || EVIOCSREP */
static int
bit_ioctl(struct tcb *tcp, const unsigned int ev_nr, const long arg)
{
switch (ev_nr) {
case EV_SYN:
return decode_bitset(tcp, arg, evdev_sync,
SYN_MAX, "SYN_???");
case EV_KEY:
return decode_bitset(tcp, arg, evdev_keycode,
KEY_MAX, "KEY_???");
case EV_REL:
return decode_bitset(tcp, arg, evdev_relative_axes,
REL_MAX, "REL_???");
case EV_ABS:
return decode_bitset(tcp, arg,
evdev_abs, ABS_MAX, "ABS_???");
case EV_MSC:
return decode_bitset(tcp, arg,
evdev_misc, MSC_MAX, "MSC_???");
# ifdef EV_SW
case EV_SW:
return decode_bitset(tcp, arg,
evdev_switch, SW_MAX, "SW_???");
# endif
case EV_LED:
return decode_bitset(tcp, arg,
evdev_leds, LED_MAX, "LED_???");
case EV_SND:
return decode_bitset(tcp, arg,
evdev_snd, SND_MAX, "SND_???");
case EV_REP:
return decode_bitset(tcp, arg, evdev_autorepeat,
REP_MAX, "REP_???");
case EV_FF:
return decode_bitset(tcp, arg, evdev_ff_types,
FF_MAX, "FF_???");
case EV_PWR:
printnum_int(tcp, arg, "%d");
return 1;
case EV_FF_STATUS:
return decode_bitset(tcp, arg, evdev_ff_status,
FF_STATUS_MAX, "FF_STATUS_???");
default:
return 0;
}
}
static int
evdev_read_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
{
@ -375,50 +422,8 @@ evdev_read_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
return abs_ioctl(tcp, arg);
/* multi-number variable-length commands */
if ((_IOC_NR(code) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) {
switch (_IOC_NR(code) - 0x20) {
case EV_SYN:
return decode_bitset(tcp, arg, evdev_sync,
SYN_MAX, "SYN_???");
case EV_KEY:
return decode_bitset(tcp, arg, evdev_keycode,
KEY_MAX, "KEY_???");
case EV_REL:
return decode_bitset(tcp, arg, evdev_relative_axes,
REL_MAX, "REL_???");
case EV_ABS:
return decode_bitset(tcp, arg,
evdev_abs, ABS_MAX, "ABS_???");
case EV_MSC:
return decode_bitset(tcp, arg,
evdev_misc, MSC_MAX, "MSC_???");
# ifdef EV_SW
case EV_SW:
return decode_bitset(tcp, arg,
evdev_switch, SW_MAX, "SW_???");
# endif
case EV_LED:
return decode_bitset(tcp, arg,
evdev_leds, LED_MAX, "LED_???");
case EV_SND:
return decode_bitset(tcp, arg,
evdev_snd, SND_MAX, "SND_???");
case EV_REP:
return decode_bitset(tcp, arg, evdev_autorepeat,
REP_MAX, "REP_???");
case EV_FF:
return decode_bitset(tcp, arg, evdev_ff_types,
FF_MAX, "FF_???");
case EV_PWR:
printnum_int(tcp, arg, "%d");
return 1;
case EV_FF_STATUS:
return decode_bitset(tcp, arg, evdev_ff_status,
FF_STATUS_MAX, "FF_STATUS_???");
default:
return 0;
}
}
if ((_IOC_NR(code) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0)))
return bit_ioctl(tcp, _IOC_NR(code) & EV_MAX, arg);
return 0;
}