Update.

2000-07-28  Andreas Jaeger  <aj@suse.de>

	* sysdeps/gnu/netinet/tcp.h: Add TCP options from Linux 2.4.

	* dlfcn/Makefile ($(objpfx)tst-dladdr): New.
	($(objpfx)tst-dladdr.out): new.
	(tests): Add tst-dladdr.
	($(objpfx)glrefmain): Use libdl.

	* dlfcn/tst-dladdr.c: New file.  Based on a test by Volkmar Sieh
	<vs@caldera.de>.
	

1 files changed, 75 insertions, 0 deletions

diff --git a/dlfcn/tst-dladdr.c b/dlfcn/tst-dladdr.c
new file mode 100644
index 0000000..5493a15
--- /dev/null
+++ b/dlfcn/tst-dladdr.c
@@ -0,0 +1,75 @@
+/* Test for dladdr.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   Contributed by Volkmar Sieh <vs@caldera.de> and Andreas Jaeger <aj@suse.de>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <error.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#define TEST_FUNCTION do_test ()
+
+int
+do_test (void)
+{
+  void *handle;
+  int (*sym) (void); /* We load ref1 from glreflib1.c.  */
+  Dl_info info;
+  int ret;
+
+
+  handle = dlopen ("glreflib1.so", RTLD_NOW);
+  if (handle == NULL)
+    error (EXIT_FAILURE, 0, "cannot load: glreflib1.so");
+
+  sym = dlsym (handle, "ref1");
+  if (sym == NULL)
+    error (EXIT_FAILURE, 0, "dlsym failed");
+
+  memset (&info, 0, sizeof (info));
+  ret = dladdr (sym, &info);
+
+  if (ret == 0)
+    error (EXIT_FAILURE, 0, "dladdr failed");
+
+  printf ("address of ref1 = %p\n", sym);
+  printf ("ret = %d\n", ret);
+  printf ("info.dli_fname = %p (\"%s\")\n", info.dli_fname, info.dli_fname);
+  printf ("info.dli_fbase = %p\n", info.dli_fbase);
+  printf ("info.dli_sname = %p (\"%s\")\n", info.dli_sname, info.dli_sname);
+  printf ("info.dli_saddr = %p\n", info.dli_saddr);
+
+  if (info.dli_fname == NULL)
+    error (EXIT_FAILURE, 0, "dli_fname is NULL");
+  if (info.dli_fbase == NULL)
+    error (EXIT_FAILURE, 0, "dli_fbase is NULL");
+  if (info.dli_sname == NULL)
+    error (EXIT_FAILURE, 0, "dli_sname is NULL");
+  if (info.dli_saddr == NULL)
+    error (EXIT_FAILURE, 0, "dli_saddr is NULL");
+
+  dlclose (handle);
+
+  return 0;
+}
+
+
+#include "../test-skeleton.c"