>From 9d0b41b846c392c787f4e05407da57ee1c6acde2 Mon Sep 17 00:00:00 2001
From: Bruno Haible <address@hidden>
Date: Tue, 4 Dec 2018 00:55:34 +0100
Subject: [PATCH 5/8] xset: New module.

* lib/gl_xset.h: New file.
* lib/gl_xset.c: New file.
* modules/xset: New file.
---
 ChangeLog     |  7 ++++++
 lib/gl_xset.c |  3 +++
 lib/gl_xset.h | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 modules/xset  | 26 ++++++++++++++++++++
 4 files changed, 112 insertions(+)
 create mode 100644 lib/gl_xset.c
 create mode 100644 lib/gl_xset.h
 create mode 100644 modules/xset

diff --git a/ChangeLog b/ChangeLog
index a8f2314..5d26ed2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2018-12-03  Bruno Haible  <address@hidden>
 
+	xset: New module.
+	* lib/gl_xset.h: New file.
+	* lib/gl_xset.c: New file.
+	* modules/xset: New file.
+
+2018-12-03  Bruno Haible  <address@hidden>
+
 	hash-set: New module.
 	* lib/gl_hash_set.h: New file.
 	* lib/gl_hash_set.c: New file.
diff --git a/lib/gl_xset.c b/lib/gl_xset.c
new file mode 100644
index 0000000..83557c0
--- /dev/null
+++ b/lib/gl_xset.c
@@ -0,0 +1,3 @@
+#include <config.h>
+#define GL_XSET_INLINE _GL_EXTERN_INLINE
+#include "gl_xset.h"
diff --git a/lib/gl_xset.h b/lib/gl_xset.h
new file mode 100644
index 0000000..f907b06
--- /dev/null
+++ b/lib/gl_xset.h
@@ -0,0 +1,76 @@
+/* Abstract set data type, with out-of-memory checking.
+   Copyright (C) 2009-2018 Free Software Foundation, Inc.
+   Written by Bruno Haible <address@hidden>, 2009.
+
+   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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _GL_XSET_H
+#define _GL_XSET_H
+
+#include "gl_set.h"
+#include "xalloc.h"
+
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef GL_XSET_INLINE
+# define GL_XSET_INLINE _GL_INLINE
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* These functions are thin wrappers around the corresponding functions with
+   _nx_ infix from gl_set.h.  Upon out-of-memory, they invoke xalloc_die (),
+   instead of returning an error indicator.  */
+#if 0 /* These are defined inline below.  */
+extern gl_set_t gl_set_create_empty (gl_set_implementation_t implementation,
+                                     gl_setelement_equals_fn equals_fn,
+                                     gl_setelement_hashcode_fn hashcode_fn,
+                                     gl_setelement_dispose_fn dispose_fn);
+extern bool gl_set_add (gl_set_t set, const void *elt);
+#endif
+
+GL_XSET_INLINE gl_set_t
+gl_set_create_empty (gl_set_implementation_t implementation,
+                     gl_setelement_equals_fn equals_fn,
+                     gl_setelement_hashcode_fn hashcode_fn,
+                     gl_setelement_dispose_fn dispose_fn)
+{
+  gl_set_t result =
+    gl_set_nx_create_empty (implementation, equals_fn, hashcode_fn, dispose_fn);
+  if (result == NULL)
+    xalloc_die ();
+  return result;
+}
+
+GL_XSET_INLINE bool
+gl_set_add (gl_set_t set, const void *elt)
+{
+  int result = gl_set_nx_add (set, elt);
+  if (result < 0)
+    xalloc_die ();
+  return result;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+_GL_INLINE_HEADER_END
+
+#endif /* _GL_XSET_H */
diff --git a/modules/xset b/modules/xset
new file mode 100644
index 0000000..d78d5fc
--- /dev/null
+++ b/modules/xset
@@ -0,0 +1,26 @@
+Description:
+Abstract set data type, with out-of-memory checking.
+
+Files:
+lib/gl_xset.h
+lib/gl_xset.c
+
+Depends-on:
+set
+extern-inline
+stdbool
+xalloc-die
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += gl_xset.h gl_xset.c
+
+Include:
+"gl_xset.h"
+
+License:
+GPL
+
+Maintainer:
+all
-- 
2.7.4