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/* mlib.c -- mlib library
Copyright (C) 2002, 2006 Free Software Foundation, Inc.
Written by Greg Eisenhauer, 2002
Extracted from mdemo.c
This file is part of GNU Libtool.
GNU Libtool is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
GNU Libtool 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Libtool; see the file COPYING. If not, a copy
can be downloaded from http://www.gnu.org/licenses/gpl.html,
or obtained by writing to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "foo.h"
#include "ltdl.h"
#include <stdio.h>
int
test_dl (char *filename)
{
lt_dlhandle handle;
const lt_dlinfo *info;
int (*pfoo1)() = 0;
int (*pfoo2)() = 0;
int (*phello)() = 0;
int *pnothing = 0;
int ret = 0;
handle = lt_dlopen(filename);
if (!handle) {
fprintf (stderr, "can't open the module %s!\n", filename);
fprintf (stderr, "error was: %s\n", lt_dlerror());
return 1;
}
info = lt_dlgetinfo(handle);
if (!info) {
fprintf (stderr, "can't get module info: %s\n", lt_dlerror());
return 1;
}
if (info->name) {
printf ("module name: %s\n", info->name);
} else {
printf ("module is not a libtool module\n");
}
printf ("module filename: %s\n", info->filename);
printf ("module reference count: %i\n", info->ref_count);
phello = (int(*)())lt_dlsym(handle, "hello");
if (phello)
{
int value = (*phello) ();
printf ("hello returned: %i\n", value);
if (value == HELLO_RET)
printf("hello is ok!\n");
}
else
{
fprintf (stderr, "did not find the `hello' function\n");
fprintf (stderr, "error was: %s\n", lt_dlerror());
ret = 1;
}
pnothing = (int*)lt_dlsym(handle, "nothing");
/* Try assigning to the nothing variable. */
if (pnothing)
*pnothing = 1;
else
{
fprintf (stderr, "did not find the `nothing' variable\n");
fprintf (stderr, "error was: %s\n", lt_dlerror());
ret = 1;
}
pfoo1 = (int(*)())lt_dlsym(handle, "foo1");
/* Just call the functions and check return values. */
if (pfoo1)
{
if ((*pfoo1) () == FOO_RET)
printf("foo1 is ok!\n");
else
ret = 1;
}
else {
pfoo2 = (int(*)())lt_dlsym(handle, "foo2");
if (pfoo2)
{
if ((*pfoo2) () == FOO_RET)
printf("foo2 is ok!\n");
else ret = 1;
}
else
{
fprintf (stderr, "did not find any of the `foo' functions\n");
fprintf (stderr, "error was: %s\n", lt_dlerror());
ret = 1;
}
}
lt_dlclose(handle);
return ret;
}
int
mlib_func (int argc, char **argv)
{
int ret = 0;
int i;
/*
* Would be nice if this somehow worked for libraries, not just executables.
* LTDL_SET_PRELOADED_SYMBOLS();
*/
if (lt_dlinit() != 0) {
fprintf (stderr, "error during initialization: %s\n", lt_dlerror());
return 1;
}
for (i = 1; i < argc; i++)
if (test_dl(argv[i]))
ret = 1;
lt_dlexit();
return ret;
}
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