#ifndef LTDL_H
#define LTDL_H 1
#include <sys/types.h>
#define LT_EOS_CHAR '\0'
#ifdef __cplusplus
# define LT_BEGIN_C_DECLS extern "C" {
# define LT_END_C_DECLS }
#else
# define LT_BEGIN_C_DECLS
# define LT_END_C_DECLS
#endif
LT_BEGIN_C_DECLS
#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32) || defined(__cplusplus)
# define LT_PARAMS(protos) protos
# define lt_ptr void*
#else
# define LT_PARAMS(protos) ()
# define lt_ptr char*
#endif
#if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
# define LT_STMT_START (void)(
# define LT_STMT_END )
#else
# if (defined (sun) || defined (__sun__))
# define LT_STMT_START if (1)
# define LT_STMT_END else (void)0
# else
# define LT_STMT_START do
# define LT_STMT_END while (0)
# endif
#endif
#if defined(__STDC__) || defined(__cplusplus) || defined(_MSC_VER)
# define LT_CONC(s,t) s##t
#else
# define LT_CONC(s,t) st
#endif
#define LT_STRLEN(s) (((s) && (s)[0]) ? strlen (s) : 0)
#ifdef __CYGWIN32__
# ifndef __CYGWIN__
# define __CYGWIN__ __CYGWIN32__
# endif
#endif
#if defined(_WIN32) || defined(WIN32)
# ifndef __WINDOWS__
# ifdef _WIN32
# define __WINDOWS__ _WIN32
# else
# ifdef WIN32
# define __WINDOWS__ WIN32
# endif
# endif
# endif
#endif
#ifdef __WINDOWS__
# ifndef __CYGWIN__
# define LT_DIRSEP_CHAR '\\'
# define LT_PATHSEP_CHAR ';'
# endif
#endif
#ifndef LT_PATHSEP_CHAR
# define LT_PATHSEP_CHAR ':'
#endif
#ifndef LT_SCOPE
# ifdef __WINDOWS__
# ifdef DLL_EXPORT
# define LT_SCOPE __declspec(dllexport)
# endif
# ifdef LIBLTDL_DLL_IMPORT
# define LT_SCOPE extern __declspec(dllimport)
# endif
# endif
# ifndef LT_SCOPE
# define LT_SCOPE extern
# endif
#endif
#if defined(_MSC_VER)
# define R_OK 4
#endif
typedef struct lt_dlhandle_struct *lt_dlhandle;
LT_SCOPE int lt_dlinit LT_PARAMS((void));
LT_SCOPE int lt_dlexit LT_PARAMS((void));
LT_SCOPE int lt_dladdsearchdir LT_PARAMS((const char *search_dir));
LT_SCOPE int lt_dlinsertsearchdir LT_PARAMS((const char *before,
const char *search_dir));
LT_SCOPE int lt_dlsetsearchpath LT_PARAMS((const char *search_path));
LT_SCOPE const char *lt_dlgetsearchpath LT_PARAMS((void));
LT_SCOPE int lt_dlforeachfile LT_PARAMS((
const char *search_path,
int (*func) (const char *filename, lt_ptr data),
lt_ptr data));
LT_SCOPE lt_dlhandle lt_dlopen LT_PARAMS((const char *filename));
LT_SCOPE lt_dlhandle lt_dlopenext LT_PARAMS((const char *filename));
LT_SCOPE lt_ptr lt_dlsym LT_PARAMS((lt_dlhandle handle,
const char *name));
LT_SCOPE const char *lt_dlerror LT_PARAMS((void));
LT_SCOPE int lt_dlclose LT_PARAMS((lt_dlhandle handle));
LT_SCOPE int lt_dlmakeresident LT_PARAMS((lt_dlhandle handle));
LT_SCOPE int lt_dlisresident LT_PARAMS((lt_dlhandle handle));
typedef void lt_dlmutex_lock LT_PARAMS((void));
typedef void lt_dlmutex_unlock LT_PARAMS((void));
typedef void lt_dlmutex_seterror LT_PARAMS((const char *errmsg));
typedef const char *lt_dlmutex_geterror LT_PARAMS((void));
LT_SCOPE int lt_dlmutex_register LT_PARAMS((lt_dlmutex_lock *lock,
lt_dlmutex_unlock *unlock,
lt_dlmutex_seterror *seterror,
lt_dlmutex_geterror *geterror));
LT_SCOPE lt_ptr (*lt_dlmalloc) LT_PARAMS((size_t size));
LT_SCOPE lt_ptr (*lt_dlrealloc) LT_PARAMS((lt_ptr ptr, size_t size));
LT_SCOPE void (*lt_dlfree) LT_PARAMS((lt_ptr ptr));
typedef struct {
const char *name;
lt_ptr address;
} lt_dlsymlist;
LT_SCOPE int lt_dlpreload LT_PARAMS((const lt_dlsymlist *preloaded));
LT_SCOPE int lt_dlpreload_default
LT_PARAMS((const lt_dlsymlist *preloaded));
#define LTDL_SET_PRELOADED_SYMBOLS() LT_STMT_START{ \
extern const lt_dlsymlist lt_preloaded_symbols[]; \
lt_dlpreload_default(lt_preloaded_symbols); \
}LT_STMT_END
typedef struct {
char *filename;
char *name;
int ref_count;
} lt_dlinfo;
LT_SCOPE const lt_dlinfo *lt_dlgetinfo LT_PARAMS((lt_dlhandle handle));
LT_SCOPE lt_dlhandle lt_dlhandle_next LT_PARAMS((lt_dlhandle place));
LT_SCOPE int lt_dlforeach LT_PARAMS((
int (*func) (lt_dlhandle handle, lt_ptr data),
lt_ptr data));
typedef unsigned lt_dlcaller_id;
LT_SCOPE lt_dlcaller_id lt_dlcaller_register LT_PARAMS((void));
LT_SCOPE lt_ptr lt_dlcaller_set_data LT_PARAMS((lt_dlcaller_id key,
lt_dlhandle handle,
lt_ptr data));
LT_SCOPE lt_ptr lt_dlcaller_get_data LT_PARAMS((lt_dlcaller_id key,
lt_dlhandle handle));
typedef struct lt_dlloader lt_dlloader;
typedef lt_ptr lt_user_data;
typedef lt_ptr lt_module;
typedef lt_module lt_module_open LT_PARAMS((lt_user_data loader_data,
const char *filename));
typedef int lt_module_close LT_PARAMS((lt_user_data loader_data,
lt_module handle));
typedef lt_ptr lt_find_sym LT_PARAMS((lt_user_data loader_data,
lt_module handle,
const char *symbol));
typedef int lt_dlloader_exit LT_PARAMS((lt_user_data loader_data));
struct lt_user_dlloader {
const char *sym_prefix;
lt_module_open *module_open;
lt_module_close *module_close;
lt_find_sym *find_sym;
lt_dlloader_exit *dlloader_exit;
lt_user_data dlloader_data;
};
LT_SCOPE lt_dlloader *lt_dlloader_next LT_PARAMS((lt_dlloader *place));
LT_SCOPE lt_dlloader *lt_dlloader_find LT_PARAMS((
const char *loader_name));
LT_SCOPE const char *lt_dlloader_name LT_PARAMS((lt_dlloader *place));
LT_SCOPE lt_user_data *lt_dlloader_data LT_PARAMS((lt_dlloader *place));
LT_SCOPE int lt_dlloader_add LT_PARAMS((lt_dlloader *place,
const struct lt_user_dlloader *dlloader,
const char *loader_name));
LT_SCOPE int lt_dlloader_remove LT_PARAMS((
const char *loader_name));
#define lt_dlerror_table \
LT_ERROR(UNKNOWN, "unknown error") \
LT_ERROR(DLOPEN_NOT_SUPPORTED, "dlopen support not available") \
LT_ERROR(INVALID_LOADER, "invalid loader") \
LT_ERROR(INIT_LOADER, "loader initialization failed") \
LT_ERROR(REMOVE_LOADER, "loader removal failed") \
LT_ERROR(FILE_NOT_FOUND, "file not found") \
LT_ERROR(DEPLIB_NOT_FOUND, "dependency library not found") \
LT_ERROR(NO_SYMBOLS, "no symbols defined") \
LT_ERROR(CANNOT_OPEN, "can't open the module") \
LT_ERROR(CANNOT_CLOSE, "can't close the module") \
LT_ERROR(SYMBOL_NOT_FOUND, "symbol not found") \
LT_ERROR(NO_MEMORY, "not enough memory") \
LT_ERROR(INVALID_HANDLE, "invalid module handle") \
LT_ERROR(BUFFER_OVERFLOW, "internal buffer overflow") \
LT_ERROR(INVALID_ERRORCODE, "invalid errorcode") \
LT_ERROR(SHUTDOWN, "library already shutdown") \
LT_ERROR(CLOSE_RESIDENT_MODULE, "can't close resident module") \
LT_ERROR(INVALID_MUTEX_ARGS, "invalid mutex handler registration") \
LT_ERROR(INVALID_POSITION, "invalid search path insert position") \
LT_ERROR(FR_DEPLIB, "dep lib loading bug, please report to freeradius-devel@lists.freeradius.org")
enum {
#define LT_ERROR(name, diagnostic) LT_CONC(LT_ERROR_, name),
lt_dlerror_table
#undef LT_ERROR
LT_ERROR_MAX
};
LT_SCOPE int lt_dladderror LT_PARAMS((const char *diagnostic));
LT_SCOPE int lt_dlseterror LT_PARAMS((int errorcode));
#ifdef LT_NON_POSIX_NAMESPACE
# define lt_ptr_t lt_ptr
# define lt_module_t lt_module
# define lt_module_open_t lt_module_open
# define lt_module_close_t lt_module_close
# define lt_find_sym_t lt_find_sym
# define lt_dlloader_exit_t lt_dlloader_exit
# define lt_dlloader_t lt_dlloader
# define lt_dlloader_data_t lt_user_data
#endif
LT_END_C_DECLS
#endif