+++ /dev/null
-/* ltdl.h -- generic dlopen functions
- Copyright (C) 1998-2000 Free Software Foundation, Inc.
- Originally by Thomas Tanner <tanner@ffii.org>
- This file is part of GNU Libtool.
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2 of the License, or (at your option) any later version.
-
-As a special exception to the GNU Lesser General Public License,
-if you distribute this file as part of a program or library that
-is built using GNU libtool, you may include it under the same
-distribution terms that you use for the rest of that program.
-
-This library 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
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free
-Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA
-*/
-
-/* Only include this header file once. */
-#ifndef _LTDL_H_
-#define _LTDL_H_ 1
-
-/* Canonicalise Windows and Cygwin recognition macros. */
-#ifdef __CYGWIN32__
-# ifndef __CYGWIN__
-# define __CYGWIN__ __CYGWIN32__
-# endif
-#endif
-#ifdef _WIN32
-# ifndef WIN32
-# define WIN32 _WIN32
-# endif
-#endif
-
-/* __BEGIN_DECLS should be used at the beginning of your declarations,
- so that C++ compilers don't mangle their names. Use __END_DECLS at
- the end of C declarations. */
-#undef __BEGIN_DECLS
-#undef __END_DECLS
-#ifdef __cplusplus
-# define __BEGIN_DECLS extern "C" {
-# define __END_DECLS }
-#else
-# define __BEGIN_DECLS /* empty */
-# define __END_DECLS /* empty */
-#endif
-
-/* LTDL_PARAMS is a macro used to wrap function prototypes, so that compilers
- that don't understand ANSI C prototypes still work, and ANSI C
- compilers can issue warnings about type mismatches. */
-#undef LTDL_PARAMS
-#undef lt_ptr_t
-#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32) || defined(__cplusplus)
-# define LTDL_PARAMS(protos) protos
-# define lt_ptr_t void*
-#else
-# define LTDL_PARAMS(protos) ()
-# define lt_ptr_t char*
-#endif
-
-/* LTDL_STMT_START/END are used to create macros which expand to a
- a single compound statement in a portable way. */
-#undef LTDL_STMT_START
-#undef LTDL_STMT_END
-#if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
-# define LTDL_STMT_START (void)(
-# define LTDL_STMT_END )
-#else
-# if (defined (sun) || defined (__sun__))
-# define LTDL_STMT_START if (1)
-# define LTDL_STMT_END else (void)0
-# else
-# define LTDL_STMT_START do
-# define LTDL_STMT_END while (0)
-# endif
-#endif
-
-#ifdef WIN32
-# ifndef __CYGWIN__
-/* LTDL_DIRSEP_CHAR is accepted *in addition* to '/' as a directory
- separator when it is set. */
-# define LTDL_DIRSEP_CHAR '\\'
-# define LTDL_PATHSEP_CHAR ';'
-# endif
-#endif
-#ifndef LTDL_PATHSEP_CHAR
-# define LTDL_PATHSEP_CHAR ':'
-#endif
-
-/* DLL building support on win32 hosts; mostly to workaround their
- ridiculous implementation of data symbol exporting. */
-#ifndef LTDL_SCOPE
-# ifdef _WIN32
-# ifdef DLL_EXPORT /* defined by libtool (if required) */
-# define LTDL_SCOPE __declspec(dllexport)
-# endif
-# ifdef LIBLTDL_DLL_IMPORT /* define if linking with this dll */
-# define LTDL_SCOPE extern __declspec(dllimport)
-# endif
-# endif
-# ifndef LTDL_SCOPE /* static linking or !_WIN32 */
-# define LTDL_SCOPE extern
-# endif
-#endif
-
-#include <stdlib.h>
-
-/* Defining error strings alongside their symbolic names in a macro in
- this way allows us to expand the macro in different contexts with
- confidence that the enumeration of symbolic names will map correctly
- onto the table of error strings. */
-#define ltdl_error_table \
- LTDL_ERROR(UNKNOWN, "unknown error") \
- LTDL_ERROR(DLOPEN_NOT_SUPPORTED, "dlopen support not available")\
- LTDL_ERROR(INVALID_LOADER, "invalid loader") \
- LTDL_ERROR(INIT_LOADER, "loader initialization failed") \
- LTDL_ERROR(REMOVE_LOADER, "loader removal failed") \
- LTDL_ERROR(FILE_NOT_FOUND, "file not found") \
- LTDL_ERROR(DEPLIB_NOT_FOUND, "dependency library not found") \
- LTDL_ERROR(NO_SYMBOLS, "no symbols defined") \
- LTDL_ERROR(CANNOT_OPEN, "can't open the module") \
- LTDL_ERROR(CANNOT_CLOSE, "can't close the module") \
- LTDL_ERROR(SYMBOL_NOT_FOUND, "symbol not found") \
- LTDL_ERROR(NO_MEMORY, "not enough memory") \
- LTDL_ERROR(INVALID_HANDLE, "invalid module handle") \
- LTDL_ERROR(BUFFER_OVERFLOW, "internal buffer overflow") \
- LTDL_ERROR(INVALID_ERRORCODE, "invalid errorcode") \
- LTDL_ERROR(SHUTDOWN, "library already shutdown")
-
-/* Enumerate the symbolic error names. */
-#if defined(__STDC__) || defined(__cplusplus)
-# define LTDL_ERROR(name, diagnostic) LTDL_ERROR_##name,
-#else
-# define LTDL_ERROR(name, diagnostic) LTDL_ERROR_/**/name,
-#endif
-enum {
- ltdl_error_table
- LTDL_ERROR_MAX
-};
-#undef LTDL_ERROR
-
-/* An opaque handle for a successfully lt_dlopened module instance. */
-#ifdef _LTDL_COMPILE_
-typedef struct lt_dlhandle_t *lt_dlhandle;
-#else
-typedef lt_ptr_t lt_dlhandle;
-#endif
-
-/* A preopened symbol. Arrays of this type comprise the exported
- symbols for a dlpreopened module. */
-typedef struct {
- const char *name;
- lt_ptr_t address;
-} lt_dlsymlist;
-
-/* Read only information pertaining to a loaded module. */
-typedef struct {
- char *filename; /* file name */
- char *name; /* module name */
- int ref_count; /* number of times lt_dlopened minus
- number of times lt_dlclosed. */
-} lt_dlinfo;
-
-/* An opaque handle for a module loaded by a system call. This is only
- used internally by ltdl loaders, and by user module loaders. */
-typedef lt_ptr_t lt_module_t;
-
-/* An opaque handle for a module loader. */
-#ifdef _LTDL_COMPILE_
-typedef struct lt_dlloader_t lt_dlloader_t;
-#else
-typedef lt_ptr_t lt_dlloader_t;
-#endif
-
-typedef lt_ptr_t lt_dlloader_data_t;
-
-/* Function pointer types for creating user defined module loaders. */
-typedef lt_module_t lt_module_open_t LTDL_PARAMS((lt_dlloader_data_t loader_data, const char *filename));
-typedef int lt_module_close_t LTDL_PARAMS((lt_dlloader_data_t loader_data, lt_module_t handle));
-typedef lt_ptr_t lt_find_sym_t LTDL_PARAMS((lt_dlloader_data_t loader_data, lt_module_t handle, const char *symbol));
-typedef int lt_dlloader_exit_t LTDL_PARAMS((lt_dlloader_data_t loader_data));
-
-__BEGIN_DECLS
-/* Initialisation and finalisation functions for libltdl. */
-extern int lt_dlinit LTDL_PARAMS((void));
-extern int lt_dlexit LTDL_PARAMS((void));
-
-/* Module search path manipultation. */
-extern int lt_dladdsearchdir LTDL_PARAMS((const char *search_dir));
-extern int lt_dlsetsearchpath LTDL_PARAMS((const char *search_path));
-extern const char *lt_dlgetsearchpath LTDL_PARAMS((void));
-
-/* Portable libltdl versions of the system dlopen() API. */
-extern lt_dlhandle lt_dlopen LTDL_PARAMS((const char *filename));
-extern lt_dlhandle lt_dlopenext LTDL_PARAMS((const char *filename));
-extern lt_ptr_t lt_dlsym LTDL_PARAMS((lt_dlhandle handle, const char *name));
-extern const char *lt_dlerror LTDL_PARAMS((void));
-extern int lt_dlclose LTDL_PARAMS((lt_dlhandle handle));
-
-/* Support for preloaded modules through lt_dlopen() API. */
-extern int lt_dlpreload LTDL_PARAMS((const lt_dlsymlist *preloaded));
-extern int lt_dlpreload_default LTDL_PARAMS((const lt_dlsymlist *preloaded));
-
-#define LTDL_SET_PRELOADED_SYMBOLS() LTDL_STMT_START{ \
- extern const lt_dlsymlist lt_preloaded_symbols[]; \
- lt_dlpreload_default(lt_preloaded_symbols); \
- }LTDL_STMT_END
-
-/* Managing user data associated with a loaded modules. */
-extern const lt_dlinfo *lt_dlgetinfo LTDL_PARAMS((lt_dlhandle handle));
-extern int lt_dlforeach LTDL_PARAMS((
- int (*func)(lt_dlhandle handle, lt_ptr_t data), lt_ptr_t data));
-
-/* User module loader API. */
-struct lt_user_dlloader {
- const char *sym_prefix;
- lt_module_open_t *module_open;
- lt_module_close_t *module_close;
- lt_find_sym_t *find_sym;
- lt_dlloader_exit_t *dlloader_exit;
- lt_dlloader_data_t dlloader_data;
-};
-
-extern lt_dlloader_t *lt_dlloader_next LTDL_PARAMS((lt_dlloader_t *place));
-extern lt_dlloader_t *lt_dlloader_find LTDL_PARAMS((const char *loader_name));
-extern const char *lt_dlloader_name LTDL_PARAMS((lt_dlloader_t *place));
-extern lt_dlloader_data_t *lt_dlloader_data LTDL_PARAMS((lt_dlloader_t *place));
-extern lt_dlloader_t *lt_find_dlloader LTDL_PARAMS((const char *loader_name));
-extern int lt_dlloader_add LTDL_PARAMS((lt_dlloader_t *place, const struct lt_user_dlloader *dlloader, const char *loader_name));
-extern int lt_dlloader_remove LTDL_PARAMS((const char *loader_name));
-
-/* Integrated lt_dlerror() messages for user loaders. */
-extern int lt_dladderror LTDL_PARAMS((const char *diagnostic));
-extern int lt_dlseterror LTDL_PARAMS((int errorcode));
-
-/* Pointers to memory management functions to be used by libltdl. */
-LTDL_SCOPE lt_ptr_t (*lt_dlmalloc)LTDL_PARAMS((size_t size));
-LTDL_SCOPE void (*lt_dlfree)LTDL_PARAMS((lt_ptr_t ptr));
-
-__END_DECLS
-
-#endif /* !_LTDL_H_ */
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