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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2009, 2011, 2013 Peter Miller
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/linux/tiocl.h>
#include <libexplain/ac/stdint.h>
#include <libexplain/ac/string.h>
#include <libexplain/buffer/int.h>
#include <libexplain/buffer/int32_t.h>
#include <libexplain/buffer/int8.h>
#include <libexplain/buffer/pointer.h>
#include <libexplain/buffer/tioclinux.h>
#include <libexplain/parse_bits.h>
#include <libexplain/is_efault.h>
#include <libexplain/sizeof.h>
#ifdef HAVE_LINUX_TIOCL_H
static void
explain_buffer_tiocl(explain_string_buffer_t *sb, int value)
{
static const explain_parse_bits_table_t table[] =
{
{ "TIOCL_SETSEL", TIOCL_SETSEL },
{ "TIOCL_PASTESEL", TIOCL_PASTESEL },
{ "TIOCL_UNBLANKSCREEN", TIOCL_UNBLANKSCREEN },
{ "TIOCL_SELLOADLUT", TIOCL_SELLOADLUT },
{ "TIOCL_GETSHIFTSTATE", TIOCL_GETSHIFTSTATE },
{ "TIOCL_GETMOUSEREPORTING", TIOCL_GETMOUSEREPORTING },
{ "TIOCL_SETVESABLANK", TIOCL_SETVESABLANK },
{ "TIOCL_SETKMSGREDIRECT", TIOCL_SETKMSGREDIRECT },
{ "TIOCL_GETFGCONSOLE", TIOCL_GETFGCONSOLE },
{ "TIOCL_SCROLLCONSOLE", TIOCL_SCROLLCONSOLE },
{ "TIOCL_BLANKSCREEN", TIOCL_BLANKSCREEN },
{ "TIOCL_BLANKEDSCREEN", TIOCL_BLANKEDSCREEN },
#ifdef TIOCL_GETKMSGREDIRECT
{ "TIOCL_GETKMSGREDIRECT", TIOCL_GETKMSGREDIRECT },
#endif
};
explain_parse_bits_print_single(sb, value, table, SIZEOF(table));
}
static void
explain_buffer_tiocl_setsel(explain_string_buffer_t *sb, int value)
{
static const explain_parse_bits_table_t table[] =
{
{ "TIOCL_SELCHAR", TIOCL_SELCHAR },
{ "TIOCL_SELWORD", TIOCL_SELWORD },
{ "TIOCL_SELLINE", TIOCL_SELLINE },
{ "TIOCL_SELPOINTER", TIOCL_SELPOINTER },
{ "TIOCL_SELCLEAR", TIOCL_SELCLEAR },
{ "TIOCL_SELMOUSEREPORT", TIOCL_SELMOUSEREPORT },
{ "TIOCL_SELBUTTONMASK", TIOCL_SELBUTTONMASK },
};
explain_parse_bits_print_single(sb, value, table, SIZEOF(table));
}
void
explain_buffer_tioclinux(explain_string_buffer_t *sb, const void *data)
{
/* See console_ioctl(4) for more information. */
if (!data)
{
print_pointer:
explain_buffer_pointer(sb, data);
}
else
{
const unsigned char *cp;
cp = data;
switch (*cp)
{
case TIOCL_SETSEL:
{
struct tiocl_selection sel;
if (explain_is_efault_pointer(cp, 1 + sizeof(sel)))
goto print_pointer;
memcpy(&sel, cp + 1, sizeof(sel));
explain_buffer_tiocl(sb, cp[0]);
explain_string_buffer_puts(sb, "{ case = ");
explain_buffer_tiocl(sb, cp[0]);
explain_string_buffer_puts(sb, ", xs = ");
explain_buffer_uint(sb, sel.xs);
explain_string_buffer_puts(sb, ", ys = ");
explain_buffer_uint(sb, sel.ys);
explain_string_buffer_puts(sb, ", xe = ");
explain_buffer_uint(sb, sel.xe);
explain_string_buffer_puts(sb, ", ye = ");
explain_buffer_uint(sb, sel.ye);
explain_string_buffer_puts(sb, ", sel_mode = ");
explain_buffer_tiocl_setsel(sb, sel.sel_mode);
explain_string_buffer_puts(sb, " }");
}
break;
case TIOCL_SETVESABLANK:
if (explain_is_efault_pointer(data, 2))
goto print_pointer;
explain_string_buffer_puts(sb, "{ case = ");
explain_buffer_tiocl(sb, cp[0]);
explain_string_buffer_puts(sb, ", value = ");
explain_buffer_uint8(sb, cp[1]);
explain_string_buffer_puts(sb, " }");
break;
case TIOCL_SELLOADLUT:
{
uint32_t lut[8];
if (explain_is_efault_pointer(data, 4 + sizeof(lut)))
goto print_pointer;
memcpy(lut, cp + 4, sizeof(lut));
explain_string_buffer_puts(sb, "{ case = ");
explain_buffer_tiocl(sb, cp[0]);
explain_string_buffer_puts(sb, ", value = ");
explain_buffer_uint32_array(sb, lut, SIZEOF(lut));
explain_string_buffer_puts(sb, " }");
}
break;
case TIOCL_SCROLLCONSOLE:
{
int32_t value;
if (explain_is_efault_pointer(data, 4 + sizeof(value)))
goto print_pointer;
memcpy(&value, cp + 4, sizeof(value));
explain_string_buffer_puts(sb, "{ case = ");
explain_buffer_tiocl(sb, cp[0]);
explain_string_buffer_puts(sb, ", value = ");
explain_buffer_int32_t(sb, value);
explain_string_buffer_puts(sb, " }");
}
break;
case TIOCL_GETSHIFTSTATE:
case TIOCL_GETMOUSEREPORTING:
case TIOCL_SETKMSGREDIRECT:
case TIOCL_GETFGCONSOLE:
/*
* The above 4 cases return data BUT they overwrite the
* control bytes, so we don't know at print_data_returned
* time which code it was, and thus can't print a
* representation. Sigh.
*
* Fall through...
*/
case TIOCL_BLANKEDSCREEN:
case TIOCL_BLANKSCREEN:
case TIOCL_PASTESEL:
case TIOCL_UNBLANKSCREEN:
#ifdef TIOCL_GETKMSGREDIRECT
case TIOCL_GETKMSGREDIRECT:
#endif
default:
if (explain_is_efault_pointer(data, 1))
goto print_pointer;
explain_string_buffer_puts(sb, "{ case = ");
explain_buffer_tiocl(sb, cp[0]);
explain_string_buffer_puts(sb, " }");
break;
}
}
}
#else
void
explain_buffer_tioclinux(explain_string_buffer_t *sb, const void *data)
{
explain_buffer_pointer(sb, data);
}
#endif
/* vim: set ts=8 sw=4 et : */
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