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- // OCL - OS/2 Class Library
- // (c) Cubus 1995
- // All Rights Reserved
- // ODynamicLib.cpp
-
- /*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Neither the name Cubus nor the name Team OCL may be used to
- * endorse or promote products derived from this software
- * without specific prior written permission.
- * 3. See OCL.INF for a detailed copyright notice.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-
- // $Header: W:/Projects/OCL/Source/rcs/ODynamicLib.cpp 1.50 1996/08/11 23:49:14 B.STEIN Release $
-
- #define __OCL_SOURCE__
-
- #define OINCL_OSTRING
- #define OINCL_BASE
-
- #include <ocl.hpp>
- #include <ODynamicLib.hpp>
- #include <OMessage.hpp>
-
-
- ODynamicLib::ODynamicLib(HMODULE mod)
- : modHandle(mod)
- {}
-
-
- ODynamicLib::ODynamicLib(PCSZ libname)
- {
- APIRET rc;
- CHAR errBuffer[100];
-
- rc = DosLoadModule(errBuffer, 100, (PSZ)libname, &modHandle);
- if ((rc != 0) || (!modHandle))
- throw OVioException(errBuffer, rc);
- }
-
-
- ODynamicLib::~ODynamicLib()
- {
- freeModule();
- }
-
-
- PSZ ODynamicLib::isOfType() const
- {
- return("ODynamicLib");
- }
-
-
- ODynamicLib& ODynamicLib::freeModule()
- {
- if (modHandle)
- DosFreeModule(modHandle);
- return(*this);
- }
-
-
-
- HMODULE ODynamicLib::getLibHandle()
- {
- return( modHandle );
- }
-
-
-
- ODynamicLib& ODynamicLib::setLibHandle(HMODULE mod)
- {
- modHandle = mod;
- return(*this);
- }
-
-
-
- PFN ODynamicLib::queryFn(ULONG ordinal)
- {
- APIRET rc;
- PFN fn = (PFN) NULL;
-
- rc = DosQueryProcAddr(modHandle, ordinal, (PSZ)NULL, &fn);
- if ((rc != 0) || (!fn))
- throw OVioException(OCL::apierror(50, rc), rc);
- return(fn);
- }
-
-
- PFN ODynamicLib::queryFn(PCSZ fnName)
- {
- APIRET rc;
- PFN fn = (PFN) NULL;
-
- rc = DosQueryProcAddr(modHandle, 0, (PSZ)fnName, &fn);
- if ((rc != 0) || (!fn))
- throw OVioException(OCL::apierror(51, rc), rc);
- return(fn);
- }
-
-
-
- ULONG ODynamicLib::queryFnType(ULONG ordinal)
- {
- APIRET rc;
- ULONG ul;
-
- rc = DosQueryProcType(modHandle, ordinal, (PSZ)NULL, &ul);
- if (rc != 0)
- throw OVioException(OCL::apierror(52, rc), rc);
- return( (ul == PT_16BIT) ? 16 : 32);
- }
-
-
- ULONG ODynamicLib::queryFnType(PCSZ fnName)
- {
- APIRET rc;
- ULONG ul;
-
- rc = DosQueryProcType(modHandle, 0, (PSZ)fnName, &ul);
- if (rc != 0)
- throw OVioException(OCL::apierror(53, rc), rc);
- return( (ul == PT_16BIT) ? 16 : 32);
- }
-
-
- PSZ ODynamicLib::queryModuleName()
- {
- APIRET rc;
- OString Buffer(CCHMAXPATH);
-
- rc = DosQueryModuleName(modHandle, CCHMAXPATH, Buffer);
- if (rc != 0)
- throw OVioException(OCL::apierror(54, rc), rc);
- return(Buffer);
- }
-
-
- ULONG ODynamicLib::queryAppType()
- {
- APIRET rc;
- ULONG ul;
-
- try {
- rc = DosQueryAppType(queryModuleName(), &ul); }
- catch(OVioException& ex) {
- rc = ex.rc; }
-
- if (rc != 0)
- throw OVioException(OCL::apierror(55, rc), rc);
-
- return(ul);
- }
-
-
- PVOID ODynamicLib::getResource(ULONG resType, ULONG resID)
- {
- APIRET rc;
- PVOID pv;
-
- rc = DosGetResource(modHandle, resType, resID, &pv);
- if (rc != 0)
- throw OVioException(OCL::apierror(56, rc), rc);
-
- return(pv);
- }
-
-
-
- ODynamicLib& ODynamicLib::freeResource(PVOID resOffset)
- {
- if (resOffset)
- DosFreeResource(resOffset);
- return(*this);
- }
-
-
- ULONG ODynamicLib::queryResourceSize(ULONG resType, ULONG resID)
- {
- APIRET rc;
- ULONG ul;
-
- rc = DosQueryResourceSize(modHandle, resType, resID, &ul);
- if (rc != 0)
- throw OVioException(OCL::apierror(57, rc), rc);
-
- return(ul);
- }
-
-
- // end of source
-