Move the malloc checking from module 'list' to new module 'xlist'.

[gnulib.git] / lib / gl_xsublist.h

diff --git a/lib/gl_xsublist.h b/lib/gl_xsublist.h
new file mode 100644 (file)
index 0000000..42b5d8e
--- /dev/null
+++ b/lib/gl_xsublist.h
@@ -0,0 +1,53 @@
+/* Sequential list data type backed by another list, with out-of-memory
+   checking.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 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 <http://www.gnu.org/licenses/>.  */
+
+#ifndef _GL_XSUBLIST_H
+#define _GL_XSUBLIST_H
+
+#include "gl_sublist.h"
+#include "xalloc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* These functions are thin wrappers around the corresponding functions with
+   _nx_ infix from gl_sublist.h.  Upon out-of-memory, they invoke
+   xalloc_die (), instead of returning an error indicator.  */
+extern gl_list_t gl_sublist_create (gl_list_t whole_list,
+                                    size_t start_index, size_t end_index);
+
+#if HAVE_INLINE
+
+# define gl_sublist_create gl_sublist_create_inline
+static inline gl_list_t
+gl_sublist_create (gl_list_t whole_list, size_t start_index, size_t end_index)
+{
+  gl_list_t result = gl_sublist_nx_create (whole_list, start_index, end_index);
+  if (result == NULL)
+    xalloc_die ();
+  return result;
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GL_XSUBLIST_H */