1 files changed, 71 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuuconf/alloc.h b/gnu/libexec/uucp/libuuconf/alloc.h
new file mode 100644
index 000000000000..c5c9cad8e32b
--- /dev/null
+++ b/gnu/libexec/uucp/libuuconf/alloc.h
@@ -0,0 +1,71 @@
+/* alloc.h
+   Header file for uuconf memory allocation routines.
+
+   Copyright (C) 1992 Ian Lance Taylor
+
+   This file is part of the Taylor UUCP uuconf library.
+
+   This 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.
+
+   This 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 this library; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   The author of the program may be contacted at ian@airs.com or
+   c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
+   */
+
+/* This header file is private to the uuconf memory allocation
+   routines, and should not be included by any other files.  */
+
+/* We want to be able to keep track of allocated memory blocks, so
+   that we can free them up later.  This will let us free up all the
+   memory allocated to hold information for a system, for example.  We
+   do this by allocating large chunks and doling them out.  Calling
+   uuconf_malloc_block will return a pointer to a magic cookie which
+   can then be passed to uuconf_malloc and uuconf_free.  Passing the
+   pointer to uuconf_free_block will free all memory allocated for
+   that block.  */
+
+/* We allocate this much space in each block.  On most systems, this
+   will make the actual structure 1024 bytes, which may be convenient
+   for some types of memory allocators.  */
+#define CALLOC_SIZE (1008)
+
+/* This is the actual structure of a block.  */
+struct sblock
+{
+  /* Next block in linked list.  */
+  struct sblock *qnext;
+  /* Index of next free spot.  */
+  size_t ifree;
+  /* Last value returned by uuconf_malloc for this block.  */
+  pointer plast;
+  /* List of additional memory blocks.  */
+  struct sadded *qadded;
+  /* Buffer of data.  We put it in a union with a double to make sure
+     it is adequately aligned.  */
+  union
+    {
+      char ab[CALLOC_SIZE];
+      double l;
+    } u;
+};
+
+/* There is a linked list of additional memory blocks inserted by
+   uuconf_add_block.  */
+struct sadded
+{
+  /* The next in the list.  */
+  struct sadded *qnext;
+  /* The added block.  */
+  pointer padded;
+};