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evdev.c: fix decoding of struct input_absinfo

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* evdev.c (abs_ioctl): Use umove_or_printaddr.
This commit is contained in:
Дмитрий Левин 2016-05-27 00:41:14 +00:00
parent 3a45eb3711
commit e167006908
1 changed files with 21 additions and 11 deletions
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32
evdev.c
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@ -144,24 +144,34 @@ ff_effect_ioctl(struct tcb *tcp, long arg)
static int
abs_ioctl(struct tcb *tcp, long arg)
{
tprints(", ");
struct input_absinfo absinfo;
if (!verbose(tcp) || umove(tcp, arg, &absinfo) < 0)
return 0;
if (!umove_or_printaddr(tcp, arg, &absinfo)) {
tprintf("{value=%u"
", minimum=%u, ",
absinfo.value,
absinfo.minimum);
tprintf(", {value=%" PRIu32 ", minimum=%" PRIu32,
absinfo.value, absinfo.minimum);
if (!abbrev(tcp)) {
tprintf(", maximum=%" PRIu32 ", fuzz=%" PRIu32,
absinfo.maximum, absinfo.fuzz);
tprintf(", flat=%" PRIu32, absinfo.flat);
if (!abbrev(tcp)) {
tprintf("maximum=%u"
", fuzz=%u"
", flat=%u",
absinfo.maximum,
absinfo.fuzz,
absinfo.flat);
# ifdef HAVE_STRUCT_INPUT_ABSINFO_RESOLUTION
tprintf(", resolution=%" PRIu32, absinfo.resolution);
tprintf(", resolution=%u",
absinfo.resolution);
# endif
} else {
tprints("...");
}
tprints("}");
} else {
tprints(", ...}");
}
return 1;
}