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135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/* main.c -- mlib library
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Copyright (C) 2002 Free Software Foundation, Inc.
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Originally by greg Eisenhauer <eisen at cc.gatech.edu>
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Extracted from mdemo.c
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This file is part of GNU Libtool.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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USA. */
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#include "foo.h"
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#include "ltdl.h"
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#include <stdio.h>
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int
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test_dl (filename)
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char *filename;
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{
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lt_dlhandle handle;
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const lt_dlinfo *info;
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int (*pfoo1)() = 0;
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int (*pfoo2)() = 0;
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int (*phello)() = 0;
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int *pnothing = 0;
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int ret = 0;
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handle = lt_dlopen(filename);
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if (!handle) {
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fprintf (stderr, "can't open the module %s!\n", filename);
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fprintf (stderr, "error was: %s\n", lt_dlerror());
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return 1;
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}
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info = lt_dlgetinfo(handle);
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if (!info) {
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fprintf (stderr, "can't get module info: %s\n", lt_dlerror());
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return 1;
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}
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if (info->name) {
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printf ("module name: %s\n", info->name);
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} else {
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printf ("module is not a libtool module\n");
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}
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printf ("module filename: %s\n", info->filename);
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printf ("module reference count: %i\n", info->ref_count);
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phello = (int(*)())lt_dlsym(handle, "hello");
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if (phello)
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{
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int value = (*phello) ();
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printf ("hello returned: %i\n", value);
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if (value == HELLO_RET)
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printf("hello is ok!\n");
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}
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else
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{
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fprintf (stderr, "did not find the `hello' function\n");
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fprintf (stderr, "error was: %s\n", lt_dlerror());
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ret = 1;
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}
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pnothing = (int*)lt_dlsym(handle, "nothing");
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/* Try assigning to the nothing variable. */
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if (pnothing)
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*pnothing = 1;
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else
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{
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fprintf (stderr, "did not find the `nothing' variable\n");
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fprintf (stderr, "error was: %s\n", lt_dlerror());
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ret = 1;
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}
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pfoo1 = (int(*)())lt_dlsym(handle, "foo1");
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/* Just call the functions and check return values. */
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if (pfoo1)
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{
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if ((*pfoo1) () == FOO_RET)
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printf("foo1 is ok!\n");
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else
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ret = 1;
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}
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else {
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pfoo2 = (int(*)())lt_dlsym(handle, "foo2");
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if (pfoo2)
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{
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if ((*pfoo2) () == FOO_RET)
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printf("foo2 is ok!\n");
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else ret = 1;
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}
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else
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{
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fprintf (stderr, "did not find any of the `foo' functions\n");
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fprintf (stderr, "error was: %s\n", lt_dlerror());
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ret = 1;
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}
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}
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lt_dlclose(handle);
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return ret;
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}
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int
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mlib_func(argc, argv)
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int argc;
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char **argv;
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{
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int ret = 0;
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int i;
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/*
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* Would be nice if this somehow worked for libraries, not just executables.
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* LTDL_SET_PRELOADED_SYMBOLS();
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*/
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if (lt_dlinit() != 0) {
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fprintf (stderr, "error during initialization: %s\n", lt_dlerror());
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return 1;
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}
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for (i = 1; i < argc; i++)
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if (test_dl(argv[i]))
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ret = 1;
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lt_dlexit();
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return ret;
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}
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