dso.h revision 256281
1151497Sru/* dso.h -*- mode:C; c-file-style: "eay" -*- */ 2151497Sru/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL 3151497Sru * project 2000. 4151497Sru */ 5151497Sru/* ==================================================================== 6151497Sru * Copyright (c) 2000 The OpenSSL Project. All rights reserved. 7151497Sru * 8151497Sru * Redistribution and use in source and binary forms, with or without 9151497Sru * modification, are permitted provided that the following conditions 10151497Sru * are met: 11151497Sru * 12151497Sru * 1. Redistributions of source code must retain the above copyright 13151497Sru * notice, this list of conditions and the following disclaimer. 14151497Sru * 15151497Sru * 2. Redistributions in binary form must reproduce the above copyright 16151497Sru * notice, this list of conditions and the following disclaimer in 17151497Sru * the documentation and/or other materials provided with the 18151497Sru * distribution. 19151497Sru * 20151497Sru * 3. All advertising materials mentioning features or use of this 21151497Sru * software must display the following acknowledgment: 22151497Sru * "This product includes software developed by the OpenSSL Project 23151497Sru * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24151497Sru * 25151497Sru * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26151497Sru * endorse or promote products derived from this software without 27151497Sru * prior written permission. For written permission, please contact 28151497Sru * licensing@OpenSSL.org. 29151497Sru * 30151497Sru * 5. Products derived from this software may not be called "OpenSSL" 31151497Sru * nor may "OpenSSL" appear in their names without prior written 32151497Sru * permission of the OpenSSL Project. 33151497Sru * 34151497Sru * 6. Redistributions of any form whatsoever must retain the following 35151497Sru * acknowledgment: 36151497Sru * "This product includes software developed by the OpenSSL Project 37151497Sru * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38151497Sru * 39151497Sru * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40151497Sru * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41151497Sru * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42151497Sru * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43151497Sru * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44151497Sru * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45151497Sru * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46151497Sru * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47151497Sru * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48151497Sru * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49151497Sru * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50151497Sru * OF THE POSSIBILITY OF SUCH DAMAGE. 51151497Sru * ==================================================================== 52151497Sru * 53151497Sru * This product includes cryptographic software written by Eric Young 54151497Sru * (eay@cryptsoft.com). This product includes software written by Tim 55151497Sru * Hudson (tjh@cryptsoft.com). 56151497Sru * 57151497Sru */ 58151497Sru 59151497Sru#ifndef HEADER_DSO_H 60151497Sru#define HEADER_DSO_H 61151497Sru 62151497Sru#include <openssl/crypto.h> 63151497Sru 64151497Sru#ifdef __cplusplus 65151497Sruextern "C" { 66151497Sru#endif 67151497Sru 68151497Sru/* These values are used as commands to DSO_ctrl() */ 69151497Sru#define DSO_CTRL_GET_FLAGS 1 70151497Sru#define DSO_CTRL_SET_FLAGS 2 71151497Sru#define DSO_CTRL_OR_FLAGS 3 72151497Sru 73151497Sru/* By default, DSO_load() will translate the provided filename into a form 74151497Sru * typical for the platform (more specifically the DSO_METHOD) using the 75151497Sru * dso_name_converter function of the method. Eg. win32 will transform "blah" 76151497Sru * into "blah.dll", and dlfcn will transform it into "libblah.so". The 77151497Sru * behaviour can be overriden by setting the name_converter callback in the DSO 78151497Sru * object (using DSO_set_name_converter()). This callback could even utilise 79151497Sru * the DSO_METHOD's converter too if it only wants to override behaviour for 80151497Sru * one or two possible DSO methods. However, the following flag can be set in a 81151497Sru * DSO to prevent *any* native name-translation at all - eg. if the caller has 82151497Sru * prompted the user for a path to a driver library so the filename should be 83151497Sru * interpreted as-is. */ 84151497Sru#define DSO_FLAG_NO_NAME_TRANSLATION 0x01 85151497Sru/* An extra flag to give if only the extension should be added as 86151497Sru * translation. This is obviously only of importance on Unix and 87151497Sru * other operating systems where the translation also may prefix 88151497Sru * the name with something, like 'lib', and ignored everywhere else. 89151497Sru * This flag is also ignored if DSO_FLAG_NO_NAME_TRANSLATION is used 90151497Sru * at the same time. */ 91151497Sru#define DSO_FLAG_NAME_TRANSLATION_EXT_ONLY 0x02 92151497Sru 93151497Sru/* The following flag controls the translation of symbol names to upper 94151497Sru * case. This is currently only being implemented for OpenVMS. 95151497Sru */ 96151497Sru#define DSO_FLAG_UPCASE_SYMBOL 0x10 97151497Sru 98151497Sru/* This flag loads the library with public symbols. 99151497Sru * Meaning: The exported symbols of this library are public 100151497Sru * to all libraries loaded after this library. 101151497Sru * At the moment only implemented in unix. 102151497Sru */ 103151497Sru#define DSO_FLAG_GLOBAL_SYMBOLS 0x20 104151497Sru 105151497Sru 106151497Srutypedef void (*DSO_FUNC_TYPE)(void); 107151497Sru 108151497Srutypedef struct dso_st DSO; 109151497Sru 110151497Sru/* The function prototype used for method functions (or caller-provided 111151497Sru * callbacks) that transform filenames. They are passed a DSO structure pointer 112151497Sru * (or NULL if they are to be used independantly of a DSO object) and a 113151497Sru * filename to transform. They should either return NULL (if there is an error 114151497Sru * condition) or a newly allocated string containing the transformed form that 115151497Sru * the caller will need to free with OPENSSL_free() when done. */ 116151497Srutypedef char* (*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *); 117151497Sru/* The function prototype used for method functions (or caller-provided 118151497Sru * callbacks) that merge two file specifications. They are passed a 119151497Sru * DSO structure pointer (or NULL if they are to be used independantly of 120151497Sru * a DSO object) and two file specifications to merge. They should 121151497Sru * either return NULL (if there is an error condition) or a newly allocated 122151497Sru * string containing the result of merging that the caller will need 123151497Sru * to free with OPENSSL_free() when done. 124151497Sru * Here, merging means that bits and pieces are taken from each of the 125151497Sru * file specifications and added together in whatever fashion that is 126151497Sru * sensible for the DSO method in question. The only rule that really 127151497Sru * applies is that if the two specification contain pieces of the same 128151497Sru * type, the copy from the first string takes priority. One could see 129151497Sru * it as the first specification is the one given by the user and the 130151497Sru * second being a bunch of defaults to add on if they're missing in the 131151497Sru * first. */ 132151497Srutypedef char* (*DSO_MERGER_FUNC)(DSO *, const char *, const char *); 133151497Sru 134151497Srutypedef struct dso_meth_st 135151497Sru { 136151497Sru const char *name; 137151497Sru /* Loads a shared library, NB: new DSO_METHODs must ensure that a 138151497Sru * successful load populates the loaded_filename field, and likewise a 139151497Sru * successful unload OPENSSL_frees and NULLs it out. */ 140151497Sru int (*dso_load)(DSO *dso); 141151497Sru /* Unloads a shared library */ 142151497Sru int (*dso_unload)(DSO *dso); 143151497Sru /* Binds a variable */ 144151497Sru void *(*dso_bind_var)(DSO *dso, const char *symname); 145151497Sru /* Binds a function - assumes a return type of DSO_FUNC_TYPE. 146151497Sru * This should be cast to the real function prototype by the 147151497Sru * caller. Platforms that don't have compatible representations 148151497Sru * for different prototypes (this is possible within ANSI C) 149151497Sru * are highly unlikely to have shared libraries at all, let 150151497Sru * alone a DSO_METHOD implemented for them. */ 151151497Sru DSO_FUNC_TYPE (*dso_bind_func)(DSO *dso, const char *symname); 152151497Sru 153151497Sru/* I don't think this would actually be used in any circumstances. */ 154151497Sru#if 0 155151497Sru /* Unbinds a variable */ 156151497Sru int (*dso_unbind_var)(DSO *dso, char *symname, void *symptr); 157151497Sru /* Unbinds a function */ 158151497Sru int (*dso_unbind_func)(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); 159151497Sru#endif 160151497Sru /* The generic (yuck) "ctrl()" function. NB: Negative return 161151497Sru * values (rather than zero) indicate errors. */ 162151497Sru long (*dso_ctrl)(DSO *dso, int cmd, long larg, void *parg); 163151497Sru /* The default DSO_METHOD-specific function for converting filenames to 164151497Sru * a canonical native form. */ 165151497Sru DSO_NAME_CONVERTER_FUNC dso_name_converter; 166151497Sru /* The default DSO_METHOD-specific function for converting filenames to 167151497Sru * a canonical native form. */ 168151497Sru DSO_MERGER_FUNC dso_merger; 169151497Sru 170151497Sru /* [De]Initialisation handlers. */ 171151497Sru int (*init)(DSO *dso); 172151497Sru int (*finish)(DSO *dso); 173151497Sru 174151497Sru /* Return pathname of the module containing location */ 175151497Sru int (*pathbyaddr)(void *addr,char *path,int sz); 176151497Sru /* Perform global symbol lookup, i.e. among *all* modules */ 177151497Sru void *(*globallookup)(const char *symname); 178151497Sru } DSO_METHOD; 179151497Sru 180151497Sru/**********************************************************************/ 181151497Sru/* The low-level handle type used to refer to a loaded shared library */ 182151497Sru 183151497Srustruct dso_st 184151497Sru { 185151497Sru DSO_METHOD *meth; 186151497Sru /* Standard dlopen uses a (void *). Win32 uses a HANDLE. VMS 187151497Sru * doesn't use anything but will need to cache the filename 188151497Sru * for use in the dso_bind handler. All in all, let each 189151497Sru * method control its own destiny. "Handles" and such go in 190151497Sru * a STACK. */ 191151497Sru STACK_OF(void) *meth_data; 192151497Sru int references; 193151497Sru int flags; 194151497Sru /* For use by applications etc ... use this for your bits'n'pieces, 195151497Sru * don't touch meth_data! */ 196151497Sru CRYPTO_EX_DATA ex_data; 197151497Sru /* If this callback function pointer is set to non-NULL, then it will 198151497Sru * be used in DSO_load() in place of meth->dso_name_converter. NB: This 199151497Sru * should normally set using DSO_set_name_converter(). */ 200151497Sru DSO_NAME_CONVERTER_FUNC name_converter; 201151497Sru /* If this callback function pointer is set to non-NULL, then it will 202151497Sru * be used in DSO_load() in place of meth->dso_merger. NB: This 203151497Sru * should normally set using DSO_set_merger(). */ 204151497Sru DSO_MERGER_FUNC merger; 205151497Sru /* This is populated with (a copy of) the platform-independant 206151497Sru * filename used for this DSO. */ 207151497Sru char *filename; 208151497Sru /* This is populated with (a copy of) the translated filename by which 209151497Sru * the DSO was actually loaded. It is NULL iff the DSO is not currently 210151497Sru * loaded. NB: This is here because the filename translation process 211151497Sru * may involve a callback being invoked more than once not only to 212151497Sru * convert to a platform-specific form, but also to try different 213151497Sru * filenames in the process of trying to perform a load. As such, this 214151497Sru * variable can be used to indicate (a) whether this DSO structure 215151497Sru * corresponds to a loaded library or not, and (b) the filename with 216151497Sru * which it was actually loaded. */ 217151497Sru char *loaded_filename; 218151497Sru }; 219151497Sru 220151497Sru 221151497SruDSO * DSO_new(void); 222151497SruDSO * DSO_new_method(DSO_METHOD *method); 223151497Sruint DSO_free(DSO *dso); 224151497Sruint DSO_flags(DSO *dso); 225151497Sruint DSO_up_ref(DSO *dso); 226151497Srulong DSO_ctrl(DSO *dso, int cmd, long larg, void *parg); 227151497Sru 228151497Sru/* This function sets the DSO's name_converter callback. If it is non-NULL, 229151497Sru * then it will be used instead of the associated DSO_METHOD's function. If 230151497Sru * oldcb is non-NULL then it is set to the function pointer value being 231151497Sru * replaced. Return value is non-zero for success. */ 232151497Sruint DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, 233151497Sru DSO_NAME_CONVERTER_FUNC *oldcb); 234151497Sru/* These functions can be used to get/set the platform-independant filename 235151497Sru * used for a DSO. NB: set will fail if the DSO is already loaded. */ 236151497Sruconst char *DSO_get_filename(DSO *dso); 237151497Sruint DSO_set_filename(DSO *dso, const char *filename); 238151497Sru/* This function will invoke the DSO's name_converter callback to translate a 239151497Sru * filename, or if the callback isn't set it will instead use the DSO_METHOD's 240151497Sru * converter. If "filename" is NULL, the "filename" in the DSO itself will be 241151497Sru * used. If the DSO_FLAG_NO_NAME_TRANSLATION flag is set, then the filename is 242151497Sru * simply duplicated. NB: This function is usually called from within a 243151497Sru * DSO_METHOD during the processing of a DSO_load() call, and is exposed so that 244151497Sru * caller-created DSO_METHODs can do the same thing. A non-NULL return value 245151497Sru * will need to be OPENSSL_free()'d. */ 246151497Sruchar *DSO_convert_filename(DSO *dso, const char *filename); 247151497Sru/* This function will invoke the DSO's merger callback to merge two file 248151497Sru * specifications, or if the callback isn't set it will instead use the 249151497Sru * DSO_METHOD's merger. A non-NULL return value will need to be 250151497Sru * OPENSSL_free()'d. */ 251151497Sruchar *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2); 252151497Sru/* If the DSO is currently loaded, this returns the filename that it was loaded 253151497Sru * under, otherwise it returns NULL. So it is also useful as a test as to 254151497Sru * whether the DSO is currently loaded. NB: This will not necessarily return 255151497Sru * the same value as DSO_convert_filename(dso, dso->filename), because the 256151497Sru * DSO_METHOD's load function may have tried a variety of filenames (with 257151497Sru * and/or without the aid of the converters) before settling on the one it 258151497Sru * actually loaded. */ 259151497Sruconst char *DSO_get_loaded_filename(DSO *dso); 260151497Sru 261151497Sruvoid DSO_set_default_method(DSO_METHOD *meth); 262151497SruDSO_METHOD *DSO_get_default_method(void); 263151497SruDSO_METHOD *DSO_get_method(DSO *dso); 264151497SruDSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth); 265151497Sru 266151497Sru/* The all-singing all-dancing load function, you normally pass NULL 267151497Sru * for the first and third parameters. Use DSO_up and DSO_free for 268151497Sru * subsequent reference count handling. Any flags passed in will be set 269151497Sru * in the constructed DSO after its init() function but before the 270151497Sru * load operation. If 'dso' is non-NULL, 'flags' is ignored. */ 271151497SruDSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags); 272151497Sru 273151497Sru/* This function binds to a variable inside a shared library. */ 274151497Sruvoid *DSO_bind_var(DSO *dso, const char *symname); 275151497Sru 276151497Sru/* This function binds to a function inside a shared library. */ 277151497SruDSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname); 278151497Sru 279151497Sru/* This method is the default, but will beg, borrow, or steal whatever 280151497Sru * method should be the default on any particular platform (including 281151497Sru * DSO_METH_null() if necessary). */ 282151497SruDSO_METHOD *DSO_METHOD_openssl(void); 283151497Sru 284151497Sru/* This method is defined for all platforms - if a platform has no 285151497Sru * DSO support then this will be the only method! */ 286151497SruDSO_METHOD *DSO_METHOD_null(void); 287151497Sru 288151497Sru/* If DSO_DLFCN is defined, the standard dlfcn.h-style functions 289151497Sru * (dlopen, dlclose, dlsym, etc) will be used and incorporated into 290151497Sru * this method. If not, this method will return NULL. */ 291151497SruDSO_METHOD *DSO_METHOD_dlfcn(void); 292151497Sru 293151497Sru/* If DSO_DL is defined, the standard dl.h-style functions (shl_load, 294151497Sru * shl_unload, shl_findsym, etc) will be used and incorporated into 295151497Sru * this method. If not, this method will return NULL. */ 296151497SruDSO_METHOD *DSO_METHOD_dl(void); 297151497Sru 298151497Sru/* If WIN32 is defined, use DLLs. If not, return NULL. */ 299151497SruDSO_METHOD *DSO_METHOD_win32(void); 300151497Sru 301151497Sru/* If VMS is defined, use shared images. If not, return NULL. */ 302151497SruDSO_METHOD *DSO_METHOD_vms(void); 303151497Sru 304151497Sru/* This function writes null-terminated pathname of DSO module 305151497Sru * containing 'addr' into 'sz' large caller-provided 'path' and 306151497Sru * returns the number of characters [including trailing zero] 307151497Sru * written to it. If 'sz' is 0 or negative, 'path' is ignored and 308151497Sru * required amount of charachers [including trailing zero] to 309151497Sru * accomodate pathname is returned. If 'addr' is NULL, then 310151497Sru * pathname of cryptolib itself is returned. Negative or zero 311151497Sru * return value denotes error. 312151497Sru */ 313151497Sruint DSO_pathbyaddr(void *addr,char *path,int sz); 314151497Sru 315151497Sru/* This function should be used with caution! It looks up symbols in 316151497Sru * *all* loaded modules and if module gets unloaded by somebody else 317151497Sru * attempt to dereference the pointer is doomed to have fatal 318151497Sru * consequences. Primary usage for this function is to probe *core* 319151497Sru * system functionality, e.g. check if getnameinfo(3) is available 320151497Sru * at run-time without bothering about OS-specific details such as 321151497Sru * libc.so.versioning or where does it actually reside: in libc 322151497Sru * itself or libsocket. */ 323151497Sruvoid *DSO_global_lookup(const char *name); 324151497Sru 325151497Sru/* If BeOS is defined, use shared images. If not, return NULL. */ 326151497SruDSO_METHOD *DSO_METHOD_beos(void); 327151497Sru 328151497Sru/* BEGIN ERROR CODES */ 329151497Sru/* The following lines are auto generated by the script mkerr.pl. Any changes 330151497Sru * made after this point may be overwritten when the script is next run. 331151497Sru */ 332151497Sruvoid ERR_load_DSO_strings(void); 333151497Sru 334151497Sru/* Error codes for the DSO functions. */ 335151497Sru 336151497Sru/* Function codes. */ 337151497Sru#define DSO_F_BEOS_BIND_FUNC 144 338151497Sru#define DSO_F_BEOS_BIND_VAR 145 339151497Sru#define DSO_F_BEOS_LOAD 146 340151497Sru#define DSO_F_BEOS_NAME_CONVERTER 147 341151497Sru#define DSO_F_BEOS_UNLOAD 148 342151497Sru#define DSO_F_DLFCN_BIND_FUNC 100 343151497Sru#define DSO_F_DLFCN_BIND_VAR 101 344151497Sru#define DSO_F_DLFCN_LOAD 102 345151497Sru#define DSO_F_DLFCN_MERGER 130 346151497Sru#define DSO_F_DLFCN_NAME_CONVERTER 123 347151497Sru#define DSO_F_DLFCN_UNLOAD 103 348151497Sru#define DSO_F_DL_BIND_FUNC 104 349151497Sru#define DSO_F_DL_BIND_VAR 105 350151497Sru#define DSO_F_DL_LOAD 106 351151497Sru#define DSO_F_DL_MERGER 131 352151497Sru#define DSO_F_DL_NAME_CONVERTER 124 353151497Sru#define DSO_F_DL_UNLOAD 107 354151497Sru#define DSO_F_DSO_BIND_FUNC 108 355151497Sru#define DSO_F_DSO_BIND_VAR 109 356151497Sru#define DSO_F_DSO_CONVERT_FILENAME 126 357151497Sru#define DSO_F_DSO_CTRL 110 358151497Sru#define DSO_F_DSO_FREE 111 359151497Sru#define DSO_F_DSO_GET_FILENAME 127 360151497Sru#define DSO_F_DSO_GET_LOADED_FILENAME 128 361151497Sru#define DSO_F_DSO_GLOBAL_LOOKUP 139 362151497Sru#define DSO_F_DSO_LOAD 112 363151497Sru#define DSO_F_DSO_MERGE 132 364151497Sru#define DSO_F_DSO_NEW_METHOD 113 365151497Sru#define DSO_F_DSO_PATHBYADDR 140 366151497Sru#define DSO_F_DSO_SET_FILENAME 129 367151497Sru#define DSO_F_DSO_SET_NAME_CONVERTER 122 368151497Sru#define DSO_F_DSO_UP_REF 114 369151497Sru#define DSO_F_GLOBAL_LOOKUP_FUNC 138 370151497Sru#define DSO_F_PATHBYADDR 137 371151497Sru#define DSO_F_VMS_BIND_SYM 115 372151497Sru#define DSO_F_VMS_LOAD 116 373151497Sru#define DSO_F_VMS_MERGER 133 374151497Sru#define DSO_F_VMS_UNLOAD 117 375151497Sru#define DSO_F_WIN32_BIND_FUNC 118 376151497Sru#define DSO_F_WIN32_BIND_VAR 119 377151497Sru#define DSO_F_WIN32_GLOBALLOOKUP 142 378151497Sru#define DSO_F_WIN32_GLOBALLOOKUP_FUNC 143 379151497Sru#define DSO_F_WIN32_JOINER 135 380151497Sru#define DSO_F_WIN32_LOAD 120 381151497Sru#define DSO_F_WIN32_MERGER 134 382151497Sru#define DSO_F_WIN32_NAME_CONVERTER 125 383151497Sru#define DSO_F_WIN32_PATHBYADDR 141 384151497Sru#define DSO_F_WIN32_SPLITTER 136 385151497Sru#define DSO_F_WIN32_UNLOAD 121 386151497Sru 387151497Sru/* Reason codes. */ 388151497Sru#define DSO_R_CTRL_FAILED 100 389151497Sru#define DSO_R_DSO_ALREADY_LOADED 110 390151497Sru#define DSO_R_EMPTY_FILE_STRUCTURE 113 391151497Sru#define DSO_R_FAILURE 114 392151497Sru#define DSO_R_FILENAME_TOO_BIG 101 393151497Sru#define DSO_R_FINISH_FAILED 102 394151497Sru#define DSO_R_INCORRECT_FILE_SYNTAX 115 395151497Sru#define DSO_R_LOAD_FAILED 103 396151497Sru#define DSO_R_NAME_TRANSLATION_FAILED 109 397151497Sru#define DSO_R_NO_FILENAME 111 398151497Sru#define DSO_R_NO_FILE_SPECIFICATION 116 399151497Sru#define DSO_R_NULL_HANDLE 104 400151497Sru#define DSO_R_SET_FILENAME_FAILED 112 401151497Sru#define DSO_R_STACK_ERROR 105 402151497Sru#define DSO_R_SYM_FAILURE 106 403151497Sru#define DSO_R_UNLOAD_FAILED 107 404151497Sru#define DSO_R_UNSUPPORTED 108 405151497Sru 406151497Sru#ifdef __cplusplus 407151497Sru} 408151497Sru#endif 409151497Sru#endif 410151497Sru