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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#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 [-s] <dllname>\n", pprog_name);
return;
}
int main(int argc, char *argv[])
{
int silent=0;
void *phandle;
char *(*pfun)(void);
if ( argc < 2 || argc > 4) {
usage();
return 1;
}
if ( !strcmp(argv[1],"-s") ) {
silent = 1;
++argv, --argc;
}
if ( access( argv[1], R_OK ) == -1 ) {
fprintf(stderr, "%s: ERROR: %s: %s\n",
pprog_name, argv[1], strerror(errno));
return 2;
}
if (!silent) printf("Checking DLL %s ...", argv[1]);
fflush(stdout);
if ( (phandle = dlopen(argv[1], RTLD_NOW)) != NULL ) {
if ( (pfun = (char *(*)(void))dlsym(phandle, psymbol)) != NULL ) {
if (!silent) 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;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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