common: create the common directory

Create a directory for files that are shared between the reference
client and server. Refactor the build scripts to reflect this
restructuring.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/common/include/util.h b/common/include/util.h
new file mode 100644
index 0000000..39c130b
--- /dev/null
+++ b/common/include/util.h
@@ -0,0 +1,13 @@
+#ifndef MRAT_UTIL_H
+#define MRAT_UTIL_H
+
+#include <stddef.h>
+
+#define container_of(ptr, type, member) ({                      \
+        const typeof(((type*)0)->member)*__mptr = (ptr);        \
+        (type*)((char*)__mptr - offsetof(type, member)); })
+
+char* str_strip(char *str);
+char** str_split(char *str, const char *delim);
+
+#endif