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flycast/shell/libretro/libretro_core_options.h

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/*
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LIBRETRO_CORE_OPTIONS_H__
#define LIBRETRO_CORE_OPTIONS_H__
#include <stdlib.h>
#include <string.h>
#include <libretro.h>
#include <retro_inline.h>
#include "libretro_core_option_defines.h"
#ifndef HAVE_NO_LANGEXTRA
#include "libretro_core_options_intl.h"
#endif
/*
********************************
* VERSION: 1.3
********************************
*
* - 1.3: Move translations to libretro_core_options_intl.h
* - libretro_core_options_intl.h includes BOM and utf-8
* fix for MSVC 2010-2013
* - Added HAVE_NO_LANGEXTRA flag to disable translations
* on platforms/compilers without BOM support
* - 1.2: Use core options v1 interface when
* RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION is >= 1
* (previously required RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION == 1)
* - 1.1: Support generation of core options v0 retro_core_option_value
* arrays containing options with a single value
* - 1.0: First commit
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
********************************
* Core Option Definitions
********************************
*/
/* RETRO_LANGUAGE_ENGLISH */
/* Default language:
* - All other languages must include the same keys and values
* - Will be used as a fallback in the event that frontend language
* is not available
* - Will be used as a fallback for any missing entries in
* frontend language definition */
#define COLORS_STRING \
{ "BLACK 02", "Black" }, \
{ "BLUE 03", "Blue" }, \
{ "LIGHT_BLUE 04", "Light Blue" }, \
{ "GREEN 05", "Green" }, \
{ "CYAN 06", "Cyan" }, \
{ "CYAN_BLUE 07", "Cyan Blue" }, \
{ "LIGHT_GREEN 08", "Light Green" }, \
{ "CYAN_GREEN 09", "Cyan Green" }, \
{ "LIGHT_CYAN 10", "Light Cyan" }, \
{ "RED 11", "Red" }, \
{ "PURPLE 12", "Purple" }, \
{ "LIGHT_PURPLE 13", "Light Purple" }, \
{ "YELLOW 14", "Yellow" }, \
{ "GRAY 15", "Gray" }, \
{ "LIGHT_PURPLE_2 16", "Light Purple (2)" }, \
{ "LIGHT_GREEN_2 17", "Light Green (2)" }, \
{ "LIGHT_GREEN_3 18", "Light Green (3)" }, \
{ "LIGHT_CYAN_2 19", "Light Cyan (2)" }, \
{ "LIGHT_RED_2 20", "Light Red (2)" }, \
{ "MAGENTA 21", "Magenta" }, \
{ "LIGHT_PURPLE_2 22", "Light Purple (2)" }, \
{ "LIGHT_ORANGE 23", "Light Orange" }, \
{ "ORANGE 24", "Orange" }, \
{ "LIGHT_PURPLE_3 25", "Light Purple (3)" }, \
{ "LIGHT_YELLOW 26", "Light Yellow" }, \
{ "LIGHT_YELLOW_2 27", "Light Yellow (2)" }, \
{ "WHITE 28", "White" }, \
{ NULL, NULL },
#define VMU_SCREEN_PARAMS(num) \
{ \
CORE_OPTION_NAME "_vmu" #num "_screen_display", \
"VMU Screen " #num " Display", \
"", \
{ \
{ "disabled", NULL }, \
{ "enabled", NULL }, \
{ NULL, NULL }, \
}, \
"disabled", \
}, \
{ \
CORE_OPTION_NAME "_vmu" #num "_screen_position", \
"VMU Screen " #num " Position", \
"", \
{ \
{ "Upper Left", NULL }, \
{ "Upper Right", NULL }, \
{ "Lower Left", NULL }, \
{ "Lower Right", NULL }, \
{ NULL, NULL }, \
}, \
"Upper Left", \
}, \
{ \
CORE_OPTION_NAME "_vmu" #num "_screen_size_mult", \
"VMU Screen " #num " Size", \
"", \
{ \
{ "1x", NULL }, \
{ "2x", NULL }, \
{ "3x", NULL }, \
{ "4x", NULL }, \
{ "5x", NULL }, \
{ NULL, NULL }, \
}, \
"1x", \
}, \
{ \
CORE_OPTION_NAME "_vmu" #num "_pixel_on_color", \
"VMU Screen " #num " Pixel On Color", \
"", \
{ \
{ "DEFAULT_ON 00", "Default ON" }, \
{ "DEFAULT_OFF 01", "Default OFF" }, \
COLORS_STRING \
}, \
"DEFAULT_ON 00", \
}, \
{ \
CORE_OPTION_NAME "_vmu" #num "_pixel_off_color", \
"VMU Screen " #num " Pixel Off Color", \
"", \
{ \
{ "DEFAULT_OFF 01", "Default OFF" }, \
{ "DEFAULT_ON 00", "Default ON" }, \
COLORS_STRING \
}, \
"DEFAULT_OFF 01", \
}, \
{ \
CORE_OPTION_NAME "_vmu" #num "_screen_opacity", \
"VMU Screen " #num " Opacity", \
"", \
{ \
{ "10%", NULL }, \
{ "20%", NULL }, \
{ "30%", NULL }, \
{ "40%", NULL }, \
{ "50%", NULL }, \
{ "60%", NULL }, \
{ "70%", NULL }, \
{ "80%", NULL }, \
{ "90%", NULL }, \
{ "100%", NULL }, \
{ NULL, NULL }, \
}, \
"100%", \
},
#define LIGHTGUN_PARAMS(num) \
{ \
CORE_OPTION_NAME "_lightgun" #num "_crosshair", \
"Gun Crosshair " #num " Display", \
"", \
{ \
{ "disabled", NULL }, \
{ "White", NULL }, \
{ "Red", NULL }, \
{ "Green", NULL }, \
{ "Blue", NULL }, \
{ NULL, NULL }, \
}, \
"disabled", \
},
struct retro_core_option_definition option_defs_us[] = {
{
CORE_OPTION_NAME "_boot_to_bios",
"Boot to BIOS (Restart)",
"Boot directly into the Dreamcast BIOS menu.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_hle_bios",
"HLE BIOS",
"Force use of high-level emulation BIOS.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL},
},
"disabled",
},
#if defined(HAVE_OIT) || defined(HAVE_VULKAN)
{
CORE_OPTION_NAME "_oit_abuffer_size",
"Accumulation Pixel Buffer Size (Restart)",
"",
{
{ "512MB", NULL },
{ "1GB", NULL },
{ "2GB", NULL },
{ "4GB", NULL },
{ NULL, NULL },
},
"512MB",
},
#endif
{
CORE_OPTION_NAME "_internal_resolution",
"Internal Resolution",
"Modify rendering resolution.",
{
{ "320x240", NULL },
{ "640x480", NULL },
{ "800x600", NULL },
{ "960x720", NULL },
{ "1024x768", NULL },
{ "1280x960", NULL },
{ "1440x1080", NULL },
{ "1600x1200", NULL },
{ "1920x1440", NULL },
{ "2560x1920", NULL },
{ "2880x2160", NULL },
{ "3200x2400", NULL },
{ "3840x2880", NULL },
{ "4480x3360", NULL },
{ "5120x3840", NULL },
{ "5760x4320", NULL },
{ "6400x4800", NULL },
{ "7040x5280", NULL },
{ "7680x5760", NULL },
{ "8320x6240", NULL },
{ "8960x6720", NULL },
{ "9600x7200", NULL },
{ "10240x7680", NULL },
{ "10880x8160", NULL },
{ "11520x8640", NULL },
{ "12160x9120", NULL },
{ "12800x9600", NULL },
{ NULL, NULL },
},
#ifdef LOW_RES
"320x240",
#else
"640x480",
#endif
},
{
CORE_OPTION_NAME "_screen_rotation",
"Screen Orientation",
"",
{
{ "horizontal", "Horizontal" },
{ "vertical", "Vertical" },
{ NULL, NULL },
},
"horizontal",
},
{
CORE_OPTION_NAME "_alpha_sorting",
"Alpha Sorting",
"",
{
{ "per-strip (fast, least accurate)", "Per-Strip (fast, least accurate)" },
{ "per-triangle (normal)", "Per-Triangle (normal)" },
#if defined(HAVE_OIT) || defined(HAVE_VULKAN)
{ "per-pixel (accurate)", "Per-Pixel (accurate, but slowest)" },
#endif
{ NULL, NULL },
},
#if defined(LOW_END)
"per-strip (fast, least accurate)",
#else
"per-triangle (normal)",
#endif
},
{
CORE_OPTION_NAME "_gdrom_fast_loading",
"GDROM Fast Loading (inaccurate)",
"Speeds up GD-ROM loading.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
#ifdef LOW_END
"enabled",
#else
"disabled",
#endif
},
{
CORE_OPTION_NAME "_mipmapping",
"Mipmapping",
"",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"enabled",
},
{
CORE_OPTION_NAME "_fog",
"Fog Effects",
"",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"enabled",
},
{
CORE_OPTION_NAME "_volume_modifier_enable",
"Volume Modifier",
"A Dreamcast GPU feature that is typically used by games to draw object shadows. This should normally be enabled - the performance impact is usually minimal to negligible.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"enabled",
},
{
CORE_OPTION_NAME "_widescreen_hack",
"Widescreen Hack",
"Draw geometry outside of the normal 4:3 aspect ratio. May produce graphical glitches in the revealed areas",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_widescreen_cheats",
"Widescreen Cheats (Restart)",
"Activates cheats that allow certain games to display in widescreen format.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_cable_type",
"Cable Type",
"",
{
{ "VGA", NULL },
{ "TV (RGB)", NULL },
{ "TV (Composite)", NULL },
{ NULL, NULL },
},
"TV (Composite)",
},
{
CORE_OPTION_NAME "_broadcast",
"Broadcast",
"",
{
{ "NTSC", NULL },
{ "PAL", "PAL (World)" },
{ "PAL_N", "PAL-N (Argentina, Paraguay, Uruguay)" },
{ "PAL_M", "PAL-M (Brazil)" },
{ "Default", NULL },
{ NULL, NULL },
},
"NTSC",
},
{
CORE_OPTION_NAME "_region",
"Region",
"",
{
{ "Japan", NULL },
{ "USA", NULL },
{ "Europe", NULL },
{ "Default", NULL },
{ NULL, NULL },
},
"Default",
},
{
CORE_OPTION_NAME "_language",
"Language",
"",
{
{ "Japanese", NULL },
{ "English", NULL },
{ "German", NULL },
{ "French", NULL },
{ "Spanish", NULL },
{ "Italian", NULL },
{ "Default", NULL },
{ NULL, NULL },
},
"Default",
},
{
CORE_OPTION_NAME "_force_wince",
"Force Windows CE Mode",
"Enable full MMU emulation and other settings for Windows CE games",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_analog_stick_deadzone",
"Analog Stick Deadzone",
"",
{
{ "0%", NULL },
{ "5%", NULL },
{ "10%", NULL },
{ "15%", NULL },
{ "20%", NULL },
{ "25%", NULL },
{ "30%", NULL },
{ NULL, NULL },
},
"15%",
},
{
CORE_OPTION_NAME "_trigger_deadzone",
"Trigger Deadzone",
"",
{
{ "0%", NULL },
{ "5%", NULL },
{ "10%", NULL },
{ "15%", NULL },
{ "20%", NULL },
{ "25%", NULL },
{ "30%", NULL },
{ NULL, NULL },
},
"0%",
},
{
CORE_OPTION_NAME "_digital_triggers",
"Digital Triggers",
"",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_enable_dsp",
"Enable DSP",
"Enable emulation of the Dreamcast's audio DSP (digital signal processor). Improves the accuracy of generated sound, but increases performance requirements.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
#ifdef LOW_END
"disabled",
#else
"enabled",
#endif
},
{
CORE_OPTION_NAME "_anisotropic_filtering",
"Anisotropic Filtering",
"Enhance the quality of textures on surfaces that are at oblique viewing angles with respect to the camera.",
{
{ "off", "disabled" },
{ "2", NULL },
{ "4", NULL },
{ "8", NULL },
{ "16", NULL },
{ NULL, NULL },
},
"4",
},
{
CORE_OPTION_NAME "_pvr2_filtering",
"PowerVR2 Post-processing Filter",
"Post-process the rendered image to simulate effects specific to the PowerVR2 GPU and analog video signals.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
#ifdef HAVE_TEXUPSCALE
{
CORE_OPTION_NAME "_texupscale",
"Texture Upscaling (xBRZ)",
"Enhance hand-drawn 2D pixel art graphics. Should only be used with 2D pixelized games.",
{
{ "off", "disabled" },
{ "2x", NULL },
{ "4x", NULL },
{ "6x", NULL },
{ NULL, NULL },
},
"off",
},
{
CORE_OPTION_NAME "_texupscale_max_filtered_texture_size",
"Texture Upscaling Max. Filtered Size",
"",
{
{ "256", NULL },
{ "512", NULL },
{ "1024", NULL },
{ NULL, NULL },
},
"256",
},
#endif
{
CORE_OPTION_NAME "_enable_rttb",
"Enable RTT (Render To Texture) Buffer",
"",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_threaded_rendering",
"Threaded Rendering",
"Runs the GPU and CPU on different threads. Highly recommended.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"enabled",
},
{
CORE_OPTION_NAME "_delay_frame_swapping",
"Delay Frame Swapping",
"Useful to avoid flashing screens or glitchy videos. Not recommended on slow platforms.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_auto_skip_frame",
"Auto Skip Frame",
"Automatically skip frames when the emulator is running slow. Note: This setting only applies when 'Threaded Rendering' is enabled.",
{
{ "disabled", NULL },
{ "some", "Normal" },
{ "more", "Maximum" },
{ NULL, NULL },
},
#ifdef LOW_END
"some",
#else
"disabled",
#endif
},
{
CORE_OPTION_NAME "_frame_skipping",
"Frame Skipping",
"Sets the number of frames to skip between each displayed frame.",
{
{ "disabled", NULL },
{ "1", NULL },
{ "2", NULL },
{ "3", NULL },
{ "4", NULL },
{ "5", NULL },
{ "6", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_enable_purupuru",
"Purupuru Pack/Vibration Pack",
"Enables controller force feedback.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"enabled",
},
{
CORE_OPTION_NAME "_allow_service_buttons",
"Allow NAOMI Service Buttons",
"Enables SERVICE button for NAOMI, to enter cabinet settings.",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_custom_textures",
"Load Custom Textures",
"",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_dump_textures",
"Dump Textures",
"",
{
{ "disabled", NULL },
{ "enabled", NULL },
{ NULL, NULL },
},
"disabled",
},
{
CORE_OPTION_NAME "_per_content_vmus",
"Per-Game VMUs",
"When disabled, all games share 4 VMU save files (A1, B1, C1, D1) located in RetroArch's system directory. The 'VMU A1' setting creates a unique VMU 'A1' file in RetroArch's save directory for each game that is launched. The 'All VMUs' setting creates 4 unique VMU files (A1, B1, C1, D1) for each game that is launched.",
{
{ "disabled", NULL },
{ "VMU A1", NULL },
{ "All VMUs", NULL },
{ NULL, NULL},
},
"disabled",
},
{
CORE_OPTION_NAME "_show_vmu_screen_settings",
"Show VMU Display Settings",
"Enable configuration of emulated VMU LCD screen visibility, size, position and color. NOTE: Quick Menu must be toggled for this setting to take effect.",
{
{ "enabled", NULL },
{ "disabled", NULL },
{ NULL, NULL},
},
"disabled"
},
VMU_SCREEN_PARAMS(1)
VMU_SCREEN_PARAMS(2)
VMU_SCREEN_PARAMS(3)
VMU_SCREEN_PARAMS(4)
{
CORE_OPTION_NAME "_show_lightgun_settings",
"Show Light Gun Settings",
"Enable configuration of light gun crosshair display options. NOTE: Quick Menu must be toggled for this setting to take effect.",
{
{ "enabled", NULL },
{ "disabled", NULL },
{ NULL, NULL},
},
"disabled"
},
LIGHTGUN_PARAMS(1)
LIGHTGUN_PARAMS(2)
LIGHTGUN_PARAMS(3)
LIGHTGUN_PARAMS(4)
{ NULL, NULL, NULL, {{0}}, NULL },
};
/*
********************************
* Language Mapping
********************************
*/
#ifndef HAVE_NO_LANGEXTRA
struct retro_core_option_definition *option_defs_intl[RETRO_LANGUAGE_LAST] = {
option_defs_us, /* RETRO_LANGUAGE_ENGLISH */
NULL, /* RETRO_LANGUAGE_JAPANESE */
NULL, /* RETRO_LANGUAGE_FRENCH */
NULL, /* RETRO_LANGUAGE_SPANISH */
NULL, /* RETRO_LANGUAGE_GERMAN */
NULL, /* RETRO_LANGUAGE_ITALIAN */
NULL, /* RETRO_LANGUAGE_DUTCH */
NULL, /* RETRO_LANGUAGE_PORTUGUESE_BRAZIL */
NULL, /* RETRO_LANGUAGE_PORTUGUESE_PORTUGAL */
NULL, /* RETRO_LANGUAGE_RUSSIAN */
NULL, /* RETRO_LANGUAGE_KOREAN */
NULL, /* RETRO_LANGUAGE_CHINESE_TRADITIONAL */
NULL, /* RETRO_LANGUAGE_CHINESE_SIMPLIFIED */
NULL, /* RETRO_LANGUAGE_ESPERANTO */
NULL, /* RETRO_LANGUAGE_POLISH */
NULL, /* RETRO_LANGUAGE_VIETNAMESE */
NULL, /* RETRO_LANGUAGE_ARABIC */
NULL, /* RETRO_LANGUAGE_GREEK */
option_defs_tr, /* RETRO_LANGUAGE_TURKISH */
};
#endif
/*
********************************
* Functions
********************************
*/
/* Handles configuration/setting of core options.
* Should be called as early as possible - ideally inside
* retro_set_environment(), and no later than retro_load_game()
* > We place the function body in the header to avoid the
* necessity of adding more .c files (i.e. want this to
* be as painless as possible for core devs)
*/
static INLINE void libretro_set_core_options(retro_environment_t environ_cb)
{
unsigned version = 0;
if (!environ_cb)
return;
if (environ_cb(RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION, &version) && (version >= 1))
{
#ifndef HAVE_NO_LANGEXTRA
struct retro_core_options_intl core_options_intl;
unsigned language = 0;
core_options_intl.us = option_defs_us;
core_options_intl.local = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_LANGUAGE, &language) &&
(language < RETRO_LANGUAGE_LAST) && (language != RETRO_LANGUAGE_ENGLISH))
core_options_intl.local = option_defs_intl[language];
environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_INTL, &core_options_intl);
#else
environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS, &option_defs_us);
#endif
}
else
{
size_t i;
size_t option_index = 0;
size_t num_options = 0;
struct retro_variable *variables = NULL;
char **values_buf = NULL;
/* Determine number of options
* > Note: We are going to skip a number of irrelevant
* core options when building the retro_variable array,
* but we'll allocate space for all of them. The difference
* in resource usage is negligible, and this allows us to
* keep the code 'cleaner' */
while (true)
{
if (option_defs_us[num_options].key)
num_options++;
else
break;
}
/* Allocate arrays */
variables = (struct retro_variable *)calloc(num_options + 1, sizeof(struct retro_variable));
values_buf = (char **)calloc(num_options, sizeof(char *));
if (!variables || !values_buf)
goto error;
/* Copy parameters from option_defs_us array */
for (i = 0; i < num_options; i++)
{
const char *key = option_defs_us[i].key;
const char *desc = option_defs_us[i].desc;
const char *default_value = option_defs_us[i].default_value;
struct retro_core_option_value *values = option_defs_us[i].values;
size_t buf_len = 3;
size_t default_index = 0;
values_buf[i] = NULL;
/* Skip options that are irrelevant when using the
* old style core options interface */
if ((strcmp(key, CORE_OPTION_NAME "_show_vmu_screen_settings") == 0) ||
(strcmp(key, CORE_OPTION_NAME "_show_lightgun_settings") == 0))
continue;
if (desc)
{
size_t num_values = 0;
/* Determine number of values */
while (true)
{
if (values[num_values].value)
{
/* Check if this is the default value */
if (default_value)
if (strcmp(values[num_values].value, default_value) == 0)
default_index = num_values;
buf_len += strlen(values[num_values].value);
num_values++;
}
else
break;
}
/* Build values string */
if (num_values > 0)
{
size_t j;
buf_len += num_values - 1;
buf_len += strlen(desc);
values_buf[i] = (char *)calloc(buf_len, sizeof(char));
if (!values_buf[i])
goto error;
strcpy(values_buf[i], desc);
strcat(values_buf[i], "; ");
/* Default value goes first */
strcat(values_buf[i], values[default_index].value);
/* Add remaining values */
for (j = 0; j < num_values; j++)
{
if (j != default_index)
{
strcat(values_buf[i], "|");
strcat(values_buf[i], values[j].value);
}
}
}
}
variables[option_index].key = key;
variables[option_index].value = values_buf[i];
option_index++;
}
/* Set variables */
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, variables);
error:
/* Clean up */
if (values_buf)
{
for (i = 0; i < num_options; i++)
{
if (values_buf[i])
{
free(values_buf[i]);
values_buf[i] = NULL;
}
}
free(values_buf);
values_buf = NULL;
}
if (variables)
{
free(variables);
variables = NULL;
}
}
}
#ifdef __cplusplus
}
#endif
#endif
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