Work on marshalling

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..4f9cbde
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,39 @@
+/**
+ * gammad -- Cooperative gamma server
+ * Copyright (C) 2016  Mattias Andrée (maandree@kth.se)
+ * 
+ * This library 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 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stdlib.h>
+#include <string.h>
+
+
+
+/**
+ * Duplicate a memory segment
+ * 
+ * @param   src  The memory segment, must not be `NULL`
+ * @param   n    The size of the memory segment, must not be zero
+ * @return       The duplicate of the memory segment,
+ *               `NULL` on error
+ */
+static inline void* memdup(const void* src, size_t n)
+{
+  void* dest = malloc(n);
+  if (dest == NULL)
+    return NULL;
+  memcpy(dest, src, n);
+  return dest;
+}
+