63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/***
|
|
*getproc.c - Get the address of a procedure in a DLL.
|
|
*
|
|
* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* defines _getdllprocadd() - gets a procedure address by name or
|
|
* ordinal
|
|
*
|
|
*Revision History:
|
|
* 08-21-91 BWM Wrote module.
|
|
* 09-30-93 GJF Resurrected for compatiblity with NT SDK.
|
|
* 02-06-98 GJF Changes for Win64: changed return type to intptr_t.
|
|
* 02-10-98 GJF Changes for Win64: changed 3rd arg type intptr_t.
|
|
*
|
|
*******************************************************************************/
|
|
|
|
#include <cruntime.h>
|
|
#include <oscalls.h>
|
|
#include <process.h>
|
|
|
|
/***
|
|
*int (*)() _getdllprocaddr(handle, name, ordinal) - Get the address of a
|
|
* DLL procedure specified by name or ordinal
|
|
*
|
|
*Purpose:
|
|
*
|
|
*Entry:
|
|
* int handle - a DLL handle from _loaddll
|
|
* char * name - Name of the procedure, or NULL to get by ordinal
|
|
* int ordinal - Ordinal of the procedure, or -1 to get by name
|
|
*
|
|
*
|
|
*Exit:
|
|
* returns a pointer to the procedure if found
|
|
* returns NULL if not found
|
|
*
|
|
*Exceptions:
|
|
*
|
|
*******************************************************************************/
|
|
|
|
int (__cdecl * __cdecl _getdllprocaddr(
|
|
intptr_t hMod,
|
|
char * szProcName,
|
|
intptr_t iOrdinal))()
|
|
{
|
|
typedef int (__cdecl * PFN)();
|
|
|
|
if (szProcName == NULL) {
|
|
if (iOrdinal <= 65535) {
|
|
return ((PFN)GetProcAddress((HANDLE)hMod, (LPSTR)iOrdinal));
|
|
}
|
|
}
|
|
else {
|
|
if (iOrdinal == (intptr_t)(-1)) {
|
|
return ((PFN)GetProcAddress((HANDLE)hMod, szProcName));
|
|
}
|
|
}
|
|
|
|
return (NULL);
|
|
|
|
}
|