libtool/pdemo/longer_file_name_dlmain.c
Robert Boehne 1c0ec8cf1c * bootstrap: Added tagdemo and pdemo tests from
multi-language-branch.
* configure.in: Added pdemo and tagdemo to CONF_SUBDIRS
and merged references to CXX and GCJ from multi-language-branch.
*pdemo: Added test directory from multi-language-branch.
*tagdemo: Added test directory from multi-language-branch.
*tests/Makefile.am: Merged additional tests from
multi-language-branch.
*tests/pdemo-*.test: ditto.
*tests/tagdemo-*.test: ditto.
2001-06-06 14:53:29 +00:00

96 lines
2.4 KiB
C

/* dlmain.c -- hello test program that uses simulated dynamic linking
Copyright (C) 1996-1999 Free Software Foundation, Inc.
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 <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
struct lt_symlist
{
const char *name;
lt_ptr_t address;
};
extern const struct lt_symlist lt_preloaded_symbols[];
int
main (argc, argv)
int argc;
char **argv;
{
const struct lt_symlist *s;
int (*pfoo)() = 0;
int (*phello)() = 0;
int *pnothing = 0;
printf ("Welcome to *modular* GNU Hell!\n");
/* Look up the symbols we require for this demonstration. */
s = lt_preloaded_symbols;
while (s->name)
{
if (s->address) {
const char *name = s->name;
printf ("found symbol: %s\n", name);
if (!strcmp ("hello", name))
phello = (int(*)())s->address;
else if (!strcmp ("foo", name))
pfoo = (int(*)())s->address;
else if (!strcmp ("nothing", name))
#ifndef _WIN32
/* In an ideal world we could do this... */
pnothing = (int*)s->address;
#else /* !_WIN32 */
/* In an ideal world a shared lib would be able to export data */
pnothing = (int*)&nothing;
#endif
} else
printf ("found file: %s\n", s->name);
s ++;
}
/* 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 (pfoo)
{
if ((*pfoo) () != FOO_RET)
return 1;
}
else
fprintf (stderr, "did not find the `foo' function\n");
if (phello)
{
if ((*phello) () != HELLO_RET)
return 3;
}
else
fprintf (stderr, "did not find the `hello' function\n");
return 0;
}