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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: checkdll.c,v $
* $Revision: 1.10 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <dlfcn.h>
/*
* NOTE: Since no one is really interested in correct unload behavior I've
* disabled the shared library unload check. If you want to reenable it comment
* the following line out
*/
#define NO_UNLOAD_CHECK
static const char *pprog_name = "checkdll";
static const char *psymbol = "GetVersionInfo";
void usage()
{
fprintf(stderr, "usage: %s <dllname>\n", pprog_name);
return;
}
int main(int argc, char *argv[])
{
int rc;
void *phandle;
char *(*pfun)(void);
if ( argc < 2 || argc > 3) {
usage();
return 1;
}
if ( (rc = access( argv[1], R_OK )) == -1 ) {
fprintf(stderr, "%s: ERROR: %s: %s\n",
pprog_name, argv[1], strerror(errno));
return 2;
}
printf("Checking DLL %s ...", argv[1]);
fflush(stdout);
if ( (phandle = dlopen(argv[1], RTLD_NOW)) != NULL ) {
if ( (pfun = (char *(*)(void))dlsym(phandle, psymbol)) != NULL ) {
printf(": ok\n");
}
else
{
printf(": WARNING: %s\n", dlerror());
}
#ifdef NO_UNLOAD_CHECK
_exit(0);
#else
dlclose(phandle);
#endif
return 0;
}
printf(": ERROR: %s\n", dlerror());
return 3;
}
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