1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
|
/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008, 2009, 2013 Peter Miller
* Written by Peter Miller <pmiller@opensource.org.au>
*
* 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/parse_bits.h>
#include <libexplain/string_buffer.h>
void
explain_parse_bits_print(explain_string_buffer_t *sb, int value,
const explain_parse_bits_table_t *table, int table_size)
{
int first;
int i;
if (value == 0)
{
explain_string_buffer_puts(sb, "0");
return;
}
first = 1;
// Iterate over entire table checking value against each flag
for (i = 0; i < table_size && value != 0; i++)
{
int flag = table[i].value;
if (flag != 0 && (flag & value) == flag)
{
value -= flag;
if (!first)
explain_string_buffer_puts(sb, " | ");
explain_string_buffer_puts(sb, table[i].name);
first = 0;
}
}
if (value != 0)
{
if (!first)
explain_string_buffer_puts(sb, " | ");
explain_string_buffer_printf(sb, "0x%X", value);
}
}
/* vim: set ts=8 sw=4 et : */
|