initial import

1 files changed, 65 insertions, 0 deletions

diff --git a/sysdeps/standalone/brk.c b/sysdeps/standalone/brk.c
new file mode 100644
index 0000000000..67fbf771a0
--- /dev/null
+++ b/sysdeps/standalone/brk.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
+   Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
+     On-Line Applications Research Corporation.
+ 
+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 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdlib.h>
+
+PTR __curbrk;
+PTR __rorig;
+PTR __rlimit;
+
+int
+DEFUN(__brk, (inaddr), PTR inaddr)
+{
+
+  if ( ( (void *)inaddr > (void *)__rlimit ) || 
+                        ( (void *)inaddr < (void *)__rorig ) ) 
+    return -1;
+
+  __curbrk = inaddr;
+  return 0;
+}
+
+/* Initialization Code for Memory Allocation */
+
+PTR __C_heap_start;
+int __C_heap_size;
+ 
+#ifdef HAVE_GNU_LD
+static
+#endif
+void
+DEFUN(__NONE_set_memvals, (argc, argv, envp),
+      int argc AND char **argv AND char **envp)
+{
+ 
+  __rorig  = 
+  __curbrk = __C_heap_start;
+  __rlimit = __curbrk + __C_heap_size;
+
+  (void) &__NONE_set_memvals;    /* Avoid "defined but not used" warning.  */
+}
+ 
+#ifdef  HAVE_GNU_LD
+text_set_element (__libc_subinit, __NONE_set_memvals);
+#endif
+
+weak_alias (__brk, brk)