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#include <stdio.h>
#include <stdlib.h>
#ifndef WNT
#include <unistd.h>
#endif
#include <string.h>
#include <Standard_Stream.hxx>
#if defined(__hpux) || defined(HPUX)
//#include <cxxdl.h>
# include <dl.h>
#else
#ifndef WNT
# include <dlfcn.h>
#endif
#endif
typedef void (*voidfct)() ;
static char chartmp[512] ;
inline int osd_dlenv( char *Path )
{
char *engine_path = new char [ strlen( Path ) + 4 ] ;
char *ld_path = new char [ 4096 ] ;
int ret = 0 ;
#if defined (__hpux) || defined(HPUX)
strcpy( ld_path , "SHLIB_PATH=" ) ;
#elif defined(WNT)
strcpy( ld_path , "PATH=" ) ;
#elif defined(_AIX) || defined(AIX)
strcpy( ld_path , "LIBPATH=" ) ;
#else
strcpy( ld_path , "LD_LIBRARY_PATH=" ) ;
#endif
strcpy( engine_path , Path ) ;
strcat( engine_path , ".ld" ) ;
ifstream fileld( engine_path ) ;
if ( !fileld.bad() ) {
fileld.getline( &ld_path[ strlen( ld_path ) ] ,
4096 - strlen( ld_path ) ) ;
fileld.close() ;
if ( !putenv( ld_path ) )
ret = 1;
}
/* delete [] engine_path ; */
/* delete [] ld_path ; */
return ret ;
}
inline void *osd_dlopen( char *Path , int LazyMode )
{
void *handle ;
handle = NULL ;
#if defined (__hpux) || defined(HPUX)
if ( Path != NULL ) {
if ( LazyMode & 1 ) {
if ( LazyMode & 2 )
// handle = (void *) cxxshl_load( Path , BIND_FIRST | BIND_TOGETHER |
handle = (void *) shl_load( Path , BIND_FIRST | BIND_TOGETHER |
BIND_DEFERRED | BIND_VERBOSE |
DYNAMIC_PATH , 0L);
else
// handle = (void *) cxxshl_load( Path , BIND_DEFERRED | BIND_VERBOSE |
handle = (void *) shl_load( Path , BIND_DEFERRED | BIND_VERBOSE |
DYNAMIC_PATH , 0L);
}
else {
if ( LazyMode & 2 )
// handle = (void *) cxxshl_load( Path , BIND_FIRST | BIND_TOGETHER |
handle = (void *) shl_load( Path , BIND_FIRST | BIND_TOGETHER |
BIND_IMMEDIATE | BIND_VERBOSE |
DYNAMIC_PATH, 0L);
else
// handle = (void *) cxxshl_load( Path , BIND_IMMEDIATE | BIND_VERBOSE |
handle = (void *) shl_load( Path , BIND_IMMEDIATE | BIND_VERBOSE |
DYNAMIC_PATH , 0L);
}
}
// else
// return cxxshl_load( Path , BIND_IMMEDIATE ,0L);
// ===> findsym( &NULL ... for HP
#elif defined(sun) || defined(SOLARIS) || defined(IRIX) || defined(sgi) || defined(linux) || defined(LIN) || defined(__FreeBSD__)
if ( Path != NULL ) {
if ( LazyMode )
handle = dlopen( Path , RTLD_LAZY | RTLD_GLOBAL );
else
handle = dlopen( Path , RTLD_GLOBAL );
}
else
handle = dlopen( Path , RTLD_NOW );
#elif defined(WNT)
if ( Path != NULL )
handle = (void *) LoadLibraryEx( Path , NULL ,
LOAD_WITH_ALTERED_SEARCH_PATH );
else
handle = (void *) GetModuleHandle( NULL ) ;
#else
if ( Path != NULL ) {
if ( LazyMode )
handle = dlopen( Path , RTLD_LAZY );
else
handle = dlopen( Path , RTLD_NOW );
}
else
handle = dlopen( Path , RTLD_NOW );
#endif
// cout << "dlopen handle " << hex << handle << dec << endl ;
return handle ;
}
inline char *osd_dlopenerror( char *Path )
{
#if defined (__hpux) || defined(HPUX)
if ( Path != NULL && errno != 0 ) {
strcpy( chartmp , "dlopen(\"" ) ;
strcat( chartmp , Path ) ;
strcat( chartmp , "\") perror " ) ;
perror( chartmp ) ;
}
else
chartmp[0] = '\0' ;
#elif defined(WNT)
int i ;
strcpy( chartmp , "LoadLibraryEx(\"" ) ;
strcat( chartmp , Path ) ;
strcat( chartmp , "\") : " ) ;
i = strlen(chartmp) ;
FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError() ,
MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ), &chartmp[i] , 450, NULL);
//strcat( chartmp , GetLastError() ) ;
#else
strcpy( chartmp , "dlopen(\"" ) ;
strcat( chartmp , Path ) ;
strcat( chartmp , "\") : " ) ;
strcat( chartmp , dlerror() ) ;
#endif
return chartmp ;
}
inline voidfct osd_dlsym( void *handle , char *signature )
{
#if defined (__hpux) || defined(HPUX)
static voidfct adr_get ;
errno = 0 ;
adr_get = NULL ;
// cout << "dlsym handle *" << hex << &handle << " = " << handle << dec << endl ;
if ( shl_findsym( (shl_t *) &handle , signature , TYPE_PROCEDURE,
&adr_get) == -1 ) {
// cout << "shl_findsym error " << endl ;
adr_get = NULL ;
}
return adr_get ;
#elif defined(WNT)
return (voidfct ) GetProcAddress( (struct HINSTANCE__ *) handle ,
signature ) ;
#else
return (voidfct ) dlsym( handle , signature ) ;
#endif
}
inline voidfct osd_dlsymall( void *handle , char *signature )
{
#if defined (__hpux) || defined(HPUX)
handle = NULL ;
//#elif defined(WNT)
// handle = osd_dlopen( NULL , 0 ) ;
#else
// cout << "Search of " << signature << " with handle " << hex << handle << dec << endl ;
if ( handle == NULL )
handle = osd_dlopen( NULL , 0 ) ;
#endif
return osd_dlsym( handle , signature ) ;
}
inline char *osd_dlsymerror( char *signature )
{
#if defined (__hpux) || defined(HPUX)
if ( errno != 0 ) {
strcpy( chartmp , "shl_findsym(\"" ) ;
strcat( chartmp , signature ) ;
strcat( chartmp , "\") perror " ) ;
perror( chartmp ) ;
}
else
chartmp[0] = '\0' ;
#elif defined(WNT)
int i ;
strcpy( chartmp , "GetProcAddress(\"" ) ;
strcat( chartmp , signature ) ;
strcat( chartmp , "\") : " ) ;
i = strlen( chartmp ) ;
FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError() ,
MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ), &chartmp[i] , 450, NULL);
// strcat( chartmp , osd_getmsg( GetLastError() ) ) ;
#else
strcpy( chartmp , "dlsym(\"" ) ;
strcat( chartmp , signature ) ;
strcat( chartmp , "\") : " ) ;
strcat( chartmp , dlerror() ) ;
#endif
return chartmp ;
}
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