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// Copyright 2012 Intel Corporation
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - 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.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
/// @addtogroup waffle_attrib_list
/// @{
/// @file
/// @ingroup api
#include "wcore_error.h"
int32_t
waffle_attrib_list_length(const int32_t attrib_list[])
{
const int32_t *i = attrib_list;
wcore_error_reset();
if (attrib_list == NULL)
return 0;
while (*i != 0)
i += 2;
return (i - attrib_list) / 2;
}
bool
waffle_attrib_list_get(
const int32_t *attrib_list,
int32_t key,
int32_t *value)
{
wcore_error_reset();
if (attrib_list == NULL)
return false;
for (int i = 0; attrib_list[i] != 0; i += 2) {
if (attrib_list[i] != key)
continue;
*value = attrib_list[i + 1];
return true;
}
return false;
}
bool
waffle_attrib_list_get_with_default(
const int32_t attrib_list[],
int32_t key,
int32_t *value,
int32_t default_value)
{
if (waffle_attrib_list_get(attrib_list, key, value)) {
return true;
}
else {
*value = default_value;
return false;
}
}
bool
waffle_attrib_list_update(
int32_t *attrib_list,
int32_t key,
int32_t value)
{
int32_t *i = attrib_list;
wcore_error_reset();
if (attrib_list == NULL)
return false;
while (*i != 0 && *i != key)
i += 2;
if (*i == key) {
i[1] = value;
return true;
}
else {
return false;
}
}
/// @}
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