1 files changed, 72 insertions, 0 deletions
diff --git a/src/system.c b/src/system.c
new file mode 100644
index 0000000..dd0c079
--- /dev/null
+++ b/src/system.c
@@ -0,0 +1,72 @@
+/* system.c - System support functions.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   This file is part of Assuan.
+
+   Assuan 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.
+
+   Assuan 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 this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <errno.h>
+
+#include "assuan-defs.h"
+#include "debug.h"
+
+
+/* Manage memory specific to a context.  */
+
+void *
+_assuan_malloc (assuan_context_t ctx, size_t cnt)
+{
+  return ctx->malloc_hooks.malloc (cnt);
+}
+
+void *
+_assuan_realloc (assuan_context_t ctx, void *ptr, size_t cnt)
+{
+  return ctx->malloc_hooks.realloc (ptr, cnt);
+}
+
+void *
+_assuan_calloc (assuan_context_t ctx, size_t cnt, size_t elsize)
+{
+  void *ptr;
+  size_t nbytes;
+    
+  nbytes = cnt * elsize;
+
+  /* Check for overflow.  */
+  if (elsize && nbytes / elsize != cnt) 
+    {
+      errno = ENOMEM;
+      return NULL;
+    }
+
+  ptr = ctx->malloc_hooks.malloc (nbytes);
+  if (ptr)
+    memset (ptr, 0, nbytes);
+  return ptr;
+}
+
+void
+_assuan_free (assuan_context_t ctx, void *ptr)
+{
+  if (ptr)
+    ctx->malloc_hooks.free (ptr);
+}