support: Implement xdlmopen

Put xdlmopen into its own file, to avoid disturbing static linking
tests (where dlmopen pulls in additional code).

1 files changed, 31 insertions, 0 deletions

diff --git a/support/xdlmopen.c b/support/xdlmopen.c
new file mode 100644
index 0000000..9a39ba8
--- /dev/null
+++ b/support/xdlmopen.c
@@ -0,0 +1,31 @@
+/* dlmopen with error checking.
+   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <support/check.h>
+#include <support/xdlfcn.h>
+
+void *
+xdlmopen (Lmid_t lmid, const char *filename, int flags)
+{
+  void *dso = dlmopen (lmid, filename, flags);
+
+  if (dso == NULL)
+    FAIL_EXIT1 ("error: dlmopen: %s\n", dlerror ());
+
+  return dso;
+}