libtool/mdemo/main.c
1999-01-13 21:39:14 +00:00

107 lines
2.6 KiB
C

/* main.c -- mdemo test program
Copyright (C) 1998-1999 Free Software Foundation, Inc.
Originally by Thomas Tanner <tanner@gmx.de>
This file is part of GNU Libtool.
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA. */
#include "foo.h"
#include "ltdl.h"
#include <stdio.h>
int
test_dl (char *filename)
{
lt_dlhandle handle;
int (*pfoo1)() = 0;
int (*pfoo2)() = 0;
int (*phello)() = 0;
int *pnothing = 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;
}
phello = lt_dlsym(handle, "hello");
pfoo1 = lt_dlsym(handle, "foo1");
pfoo2 = lt_dlsym(handle, "foo2");
pnothing = lt_dlsym(handle, "nothing");
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");
/* Try assigning to the nothing variable. */
if (pnothing)
*pnothing = 1;
else
fprintf (stderr, "did not find the `nothing' variable\n");
/* Just call the functions and check return values. */
if (pfoo1)
{
if ((*pfoo1) () == FOO_RET)
printf("foo1 is ok!\n");
}
else if (pfoo2)
{
if ((*pfoo2) () == FOO_RET)
printf("foo2 is ok!\n");
}
else
fprintf (stderr, "did not find the `foo' function\n");
lt_dlclose(handle);
return 0;
}
int
main (int argc, char **argv)
{
int i;
printf ("Welcome GNU libtool mdemo!\n");
if (argc < 2) {
fprintf (stderr, "usage: %s module [module...]\n", argv[0]);
}
if (lt_dlinit() != 0) {
fprintf (stderr, "error during initialization: %s\n", lt_dlerror());
return 1;
}
if (lt_dlpreopen(lt_preloaded_symbols) != 0) {
fprintf (stderr, "error during initialization: %s\n", lt_dlerror());
return 1;
}
for (i = 1; i < argc; i++)
if (test_dl(argv[i]))
return 1;
lt_dlexit();
return 0;
}