make typedefs platform independent

.travis.yml

@@ -5,7 +5,9 @@ addons:
       - "python3"
       - "python3-pip"
 before_install:
+  - sudo pip install --upgrade setuptools
   - sudo pip install cpp-coveralls
+  - sudo pip3 install --upgrade setuptools
   - sudo pip3 install cffi
   - sudo pip3 install colorama
   - sudo pip3 install coloredlogs

include/raft_types.h

@@ -2,27 +2,29 @@
 #ifndef RAFT_DEFS_H_
 #define RAFT_DEFS_H_
 
+#include <stdint.h>
+
 /**
  * Unique entry ids are mostly used for debugging and nothing else,
  * so there is little harm if they collide.
  */
-typedef int raft_entry_id_t;
+typedef int32_t raft_entry_id_t;
 
 /**
  * Monotonic term counter.
  */
-typedef long int raft_term_t;
+typedef int64_t raft_term_t;
 
 /**
  * Monotonic log entry index.
  *
  * This is also used to as an entry count size type.
  */
-typedef long int raft_index_t;
+typedef int64_t raft_index_t;
 
 /**
  * Unique node identifier.
  */
-typedef int raft_node_id_t;
+typedef int32_t raft_node_id_t;
 
 #endif  /* RAFT_DEFS_H_ */