u_debug.h

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// Copyright 2019, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
 * @file
 * @brief  Small debug helpers.
 * @author Jakob Bornecrantz <jakob@collabora.com>
 * @ingroup aux_util
 *
 * Debug get option helpers heavily inspired from mesa ones.
 */

#pragma once

#include "xrt/xrt_compiler.h"

#ifdef __cplusplus
extern "C" {
#endif


const char *
debug_get_option(const char *name, const char *_default);

bool
debug_get_bool_option(const char *name, bool _default);

long
debug_get_num_option(const char *name, long _default);

float
debug_get_float_option(const char *name, float _default);

#define DEBUG_GET_ONCE_OPTION(suffix, name, _default)                          \
        static const char *debug_get_option_##suffix()                         \
        {                                                                      \
                static bool gotten = false;                                    \
                static const char *stored;                                     \
                if (!gotten) {                                                 \
                        gotten = true;                                         \
                        stored = debug_get_option(name, _default);             \
                }                                                              \
                return stored;                                                 \
        }

#define DEBUG_GET_ONCE_BOOL_OPTION(suffix, name, _default)                     \
        static bool debug_get_bool_option_##suffix()                           \
        {                                                                      \
                static bool gotten = false;                                    \
                static bool stored;                                            \
                if (!gotten) {                                                 \
                        gotten = true;                                         \
                        stored = debug_get_bool_option(name, _default);        \
                }                                                              \
                return stored;                                                 \
        }

#define DEBUG_GET_ONCE_NUM_OPTION(suffix, name, _default)                      \
        static long debug_get_num_option_##suffix()                            \
        {                                                                      \
                static long gotten = false;                                    \
                static long stored;                                            \
                if (!gotten) {                                                 \
                        gotten = true;                                         \
                        stored = debug_get_num_option(name, _default);         \
                }                                                              \
                return stored;                                                 \
        }

#define DEBUG_GET_ONCE_FLOAT_OPTION(suffix, name, _default)                    \
        static long debug_get_float_option_##suffix()                          \
        {                                                                      \
                static long gotten = false;                                    \
                static long stored;                                            \
                if (!gotten) {                                                 \
                        gotten = true;                                         \
                        stored = debug_get_float_option(name, _default);       \
                }                                                              \
                return stored;                                                 \
        }
#ifdef __cplusplus
}
#endif