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BUG#:8424
TITLE: Message PGS16504 misses detailed error message (z/OS)

DESCRIPTION:

//%LICENSE////////////////////////////////////////////////////////////////
//
// Licensed to The Open Group (TOG) under one or more contributor license
// agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
// this work for additional information regarding copyright ownership.
// Each contributor licenses this file to you under the OpenPegasus Open
// Source License; you may not use this file except in compliance with the
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//
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//////////////////////////////////////////////////////////////////////////
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//%/////////////////////////////////////////////////////////////////////////////

#include "DynamicLibrary.h"
#include <Pegasus/Common/MessageLoader.h>

#include <dlfcn.h>

#if defined(PEGASUS_ZOS_SECURITY)
# include <sys/stat.h>
# include "DynamicLibraryzOS_inline.h"
#endif

PEGASUS_NAMESPACE_BEGIN

Boolean DynamicLibrary::_load()
{
    CString cstr = _fileName.getCString();

#if defined(PEGASUS_ZOS_SECURITY)
    if (!hasProgramControl(cstr))
    {
        MessageLoaderParms parms(
            "General.DynamicLibrary.MISSING_PROGRAM_CONTROL_REASON.ZOS",
            "Missing program control flag.");
        _loadErrorMessage = MessageLoader::getMessage(parms);
        return false;
    }
#endif

#if defined(PEGASUS_OS_ZOS)
    _handle = dlopen(cstr, RTLD_LAZY | RTLD_GLOBAL);
#elif defined(PEGASUS_OS_VMS)
    _handle = dlopen(cstr, RTLD_NOW);
#else
    _handle = dlopen(cstr, RTLD_NOW | RTLD_GLOBAL);
#endif

    if (_handle == 0)
    {
        // Record the load error message
        _loadErrorMessage = dlerror();
    }

    return isLoaded();
}

void DynamicLibrary::_unload()
{
    dlclose(_handle);
}

DynamicLibrary::DynamicSymbolHandle DynamicLibrary::getSymbol(
    const String& symbolName)
{
    PEGASUS_ASSERT(isLoaded());

#if defined(PEGASUS_OS_VMS)
    String str = symbolName.subString(0, 31);
    CString cstr = str.getCString();
#else
    CString cstr = symbolName.getCString();
#endif

    DynamicSymbolHandle func =
        (DynamicSymbolHandle) dlsym(_handle, (const char *)cstr);

    return func;
}

PEGASUS_NAMESPACE_END