mirror of
https://github.com/libretro/RetroArch
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b7ddac2431
* Touch up the documentation for a few environment calls * Touch up more comments * Update docs for more environment calls * Add doc comments for more environment calls * Change various @returns to indicate that the environment call is available - Some environment calls might be recognized but ignored (e.g. when fast-forwarding during netplay) * Note some deprecated symbols * Touch up the docs for RETRO_ENVIRONMENT_SET_MESSAGE * Touch up the docs for RETRO_ENVIRONMENT_SET_PIXEL_FORMAT * Add more doc comments * (libretro) Add more doxygen documentation for the libretro API * (libretro) Add doxygen comments for the callbacks * Document retro_init and retro_deinit * Add comments for retro_log-related symbols * Add a comment * Clean up some camera-related comments * Clean up frame time-related callbacks * Correct some information about major callbacks * Clarify some parameter info * Fix incorrect info about retro_set_environment * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * (libretro) Add doxygen docs on RETRO_THROTTLE * Touch up the docs for RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK * Touch up the docs for some macros * Touch up the docs for some more environment calls * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Tidy up the doc comments for clamping.h - It was a low-hanging fruit * Define some sections for constants - Doxygen will group all contained symbols on one page * Fix a duplicate @see * Polish up the docs for the rumble interface * Polish up the docs for RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Document INLINE * Clean up some tags * Touch up the docs for the sensor interface * Add docs for RETRO_ENVIRONMENT_SET_PROC_ADDRESS_CALLBACK * Update docs for RETRO_ENVIRONMENT_GET_INPUT_BITMASKS and accompanying names * Update some group definitions * Spiff up the docs for retro_dirent.h * Document dylib.h * Document base64.h * Document crc32.h * Touch up the docs for audio conversion functions * Clean up some Doxygen tags * Refine the docs for RETRO_ENVIRONMENT_GET_PERF_INTERFACE * Fix incorrect infor in dylib.h * Touch up the docs for RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE * Revise the docs for RETRO_ENVIRONMENT_SET_GEOMETRY * Revise the docs for RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE * Revise a function's doc * Touch up most of the rthreads docs * Touch up the retro_timers.h docs * Revise the subsystem docs * Fix some incorrect @see's * Touch up the docs for RETRO_ENVIRONMENT_GET_LED_INTERFACE * Give the RETRO_ENVIRONMENT_GET_SAVESTATE_CONTEXT docs a makeover * Slight cleanup to the microphone docs * Slight cleanup to the device power docs * Touch up serialization quirk docs * Give the MIDI docs a haircut * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Freshen up rtime's docs * Improve the docs and accompanying definitions for RETRO_ENVIRONMENT_GET_AUDIO_VIDEO_ENABLE - Revise the text of the documentation - Introduce an enum that defines the flags (it's still an int, so ABI compatibility will be fine) - Move the documentation for each bit to its corresponding enum * Shine the shoes of RETRO_ENVIRONMENT_GET_INPUT_MAX_USERS's docs * Freshen up the docs for fifo_queue.h * Document most of task_queue.h * Put retro_dirent's symbols in a group * Finish documenting task_queue.h * Document some compatibility headers * Document read_stdin * Document file_stream_transforms.h * Document the VFS API - Not the wrappers, just the plain API itself * (Docs) Add doxygen notes about RETRO_DEVICE_* * Fix some line breaks * Revise RETRO_DEVICE docs * Document strl.h * Update the features_cpu.h docs * Rewrite the docs for file_stream.h * Update the docs for retro_endianness.h * Update the docs for retro_miscellaneous.h * Document the RETRO_VFS_SEEK_POSITION constants * Finish documenting rthreads.h * Document network_stream.h * Put the RETRO_MEMORY defines in a defgroup * Move a doc comment in retro_common.h to file scope * Revise the docs for RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, and accompanying symbols * Fix the @param/in/out order in libretro.h's @param declarations * Tidy up the docs for RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION * Spiff up the docs for RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER * Fix some tags * Polish up RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE's docs * libretro: Add header doxygen * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Update libretro-common/include/libretro.h Co-authored-by: Rob Loach <robloach@gmail.com> * Clean up the docs for RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY * Clean up the docs for RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE * Touch up some comment syntax for RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE * Fix some inaccuracies * Re-add the license statement for libretro.h * Touch up the docs for RETRO_ENVIRONMENT_SET_CORE_OPTIONS_V2 * Touch up docs for RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY * Touch up docs for some options-related symbols * Fix some syntax that was preventing most doc files from being generated * Express retro_core_option_definition docs in terms of retro_core_option_v2_definition * Finalize some core option-related docs * Fix some incorrect info about achievements * Polish up the docs for RETRO_ENVIRONMENT_SET_MEMORY_MAPS * Polish up the docs for RETRO_ENVIRONMENT_GET_DISK_CONTROL_INTERFACE_VERSION * Add a notice for `RETRO_ENVIRONMENT_GET_LOG_INTERFACE` * Update the disk control interface docs * Add a sentence to a doc comment * Update a comment * Remove an irrelevant @todo * Touch up the docs for `retro_message_target` * Touch up the docs for `retro_message_type` * Touch up the docs for `RETRO_ENVIRONMENT_SET_MESSAGE_EXT` * Touch up the docs for `RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK` * Touch up the docs for `RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY` * Revise a comment * Revise the docs for `RETRO_ENVIRONMENT_SET_VARIABLE` * Add a `@see` * Clean up the `RETRO_ENVIRONMENT_SET_FASTFORWARDING_OVERRIDE` docs * Update the Doxyfile * libretro: Add three more environment callback doxygen docs * doxygen: Remove @example reference --------- Co-authored-by: Rob Loach <robloach@gmail.com>
121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (dylib.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __DYLIB_H
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#define __DYLIB_H
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#include <boolean.h>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <retro_common_api.h>
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#if defined(HAVE_DYNAMIC) || defined(HAVE_DYLIB)
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#define NEED_DYNAMIC
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#else
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#undef NEED_DYNAMIC
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#endif
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RETRO_BEGIN_DECLS
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/**
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* Opaque handle to a dynamic library.
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* @see dylib_load
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*/
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typedef void *dylib_t;
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/**
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* Opaque handle to a function exposed by a dynamic library.
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*
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* Should be cast to a known function pointer type before being used.
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* @see dylib_proc
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*/
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typedef void (*function_t)(void);
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#ifdef NEED_DYNAMIC
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/**
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* Loads a dynamic library in a platform-independent manner.
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*
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* @param path Path to the library to load.
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* May be either a complete path or a filename without an extension.
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* If not a complete path, the operating system will search for a library by this name;
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* details will depend on the platform.
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* @note The returned library must be freed with \c dylib_close
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* before the core or frontend exits.
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*
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* @return Handle to the loaded library, or \c NULL on failure.
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* Upon failure, \c dylib_error may be used
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* to retrieve a string describing the error.
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* @see dylib_close
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* @see dylib_error
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* @see dylib_proc
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**/
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dylib_t dylib_load(const char *path);
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/**
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* Frees the resources associated with a dynamic library.
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*
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* Any function pointers obtained from the library may become invalid,
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* depending on whether the operating system manages reference counts to dynamic libraries.
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*
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* If there was an error closing the library,
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* it will be reported by \c dylib_error.
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*
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* @param lib Handle to the library to close.
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* Behavior is undefined if \c NULL.
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**/
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void dylib_close(dylib_t lib);
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/**
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* Returns a string describing the most recent error that occurred
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* within the other \c dylib functions.
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*
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* @return Pointer to the most recent error string,
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* \c or NULL if there was no error.
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* @warning The returned string is only valid
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* until the next call to a \c dylib function.
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* Additionally, the string is managed by the library
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* and should not be modified or freed by the caller.
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*/
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char *dylib_error(void);
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/**
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* Returns a pointer to a function exposed by a dynamic library.
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*
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* @param lib The library to get a function pointer from.
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* @param proc The name of the function to get a pointer to.
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* @return Pointer to the requested function,
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* or \c NULL if there was an error.
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* This must be cast to the correct function pointer type before being used.
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* @warning The returned pointer is only valid for the lifetime of \c lib.
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* Once \c lib is closed, all function pointers returned from it will be invalidated;
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* using them is undefined behavior.
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*/
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function_t dylib_proc(dylib_t lib, const char *proc);
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#endif
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RETRO_END_DECLS
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#endif
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