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baf8599e6f
* NEWS: Update. * libltdl/argz.c: Do not include strings.h nor memory.h, include string.h unconditionally. Patch by Simon Josefsson <jas@extundo.com>. * libltdl/libltdl/lt__private.h: Likewise. * libltdl/m4/ltdl.m4 (LTDL_INIT): Do not check for string.h, strings.h, memory.h. * tests/cdemo/configure.ac: Assume presence of math.h. * tests/cdemo/foo.c: Likewise. * tests/demo/configure.ac: Likewise for math.h, string.h. Assume 'const'. Drop obsolete AC_EXEEXT. * tests/demo/dlmain.c: Likewise. * tests/demo/foo.c: Likewise. * tests/depdemo/configure.ac: Likewise. * tests/depdemo/l4/l4.c: Likewise. * tests/f77demo/configure.ac: Likewise. Also drop obsolete AC_OBJEXT. * tests/fcdemo/configure.ac: Likewise. * tests/mdemo/configure.ac: Likewise. * tests/mdemo/foo1.c: Likewise. * tests/mdemo/foo2.c: Likewise. * tests/mdemo2/configure.ac: Likewise. * tests/pdemo/configure.ac: Likewise. * tests/pdemo/longer_file_name_dlmain.c: * tests/pdemo/longer_file_name_foo.c: Likewise. * tests/pdemo/longer_file_name_foo2.c: Likewise. * tests/tagdemo/configure.ac: Likewise. * tests/tagdemo/foo.cpp: Likewise.
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/* dlmain.c -- hello test program that uses simulated dynamic linking
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Copyright (C) 1996-1999, 2004, 2006, 2007 Free Software Foundation, Inc.
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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 <stdio.h>
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#include <string.h>
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#define lt_preloaded_symbols lt__PROGRAM__LTX_preloaded_symbols
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struct lt_symlist
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{
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const char *name;
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lt_ptr_t address;
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};
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extern const struct lt_symlist lt_preloaded_symbols[];
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int
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main ()
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{
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const struct lt_symlist *s;
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int (*pfoo)() = 0;
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int (*phello)() = 0;
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int *pnothing = 0;
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printf ("Welcome to *modular* GNU Hell!\n");
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/* Look up the symbols we require for this demonstration. */
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s = lt_preloaded_symbols;
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while (s->name)
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{
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if (s->address) {
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const char *name = s->name;
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printf ("found symbol: %s\n", name);
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if (!strcmp ("hello", name))
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phello = (int(*)())s->address;
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else if (!strcmp ("foo", name))
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pfoo = (int(*)())s->address;
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else if (!strcmp ("nothing", name))
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#ifndef _WIN32
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/* In an ideal world we could do this... */
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pnothing = (int*)s->address;
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#else /* !_WIN32 */
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/* In an ideal world a shared lib would be able to export data */
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pnothing = (int*)¬hing;
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#endif
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} else
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printf ("found file: %s\n", s->name);
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s ++;
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}
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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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fprintf (stderr, "did not find the `nothing' variable\n");
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/* Just call the functions and check return values. */
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if (pfoo)
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{
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if ((*pfoo) () != FOO_RET)
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return 1;
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}
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else
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fprintf (stderr, "did not find the `foo' function\n");
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if (phello)
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{
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if ((*phello) () != HELLO_RET)
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return 3;
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}
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else
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fprintf (stderr, "did not find the `hello' function\n");
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return 0;
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}
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