From: Loic Dachary <loic@dachary.org>
Date: Wed, 28 May 2014 12:53:47 +0000 (+0200)
Subject: common: WRITE_{EQ,CMP}_OPERATORS_1
X-Git-Tag: v0.83~136^2~4
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6786d60917ac67cac570e5e7c4a3db6d91a3121f;p=ceph.git

common: WRITE_{EQ,CMP}_OPERATORS_1

For when a struct is defined to encapsulate a single value and get
control over implicit conversions that would otherwise be impossible
with typedef.

Signed-off-by: Loic Dachary <loic@dachary.org>
---

diff --git a/src/include/cmp.h b/src/include/cmp.h
index 92ecef47990..93365bf6ac6 100644
--- a/src/include/cmp.h
+++ b/src/include/cmp.h
@@ -5,6 +5,28 @@
  * macros to define comparison operators for classes with small numbers of members.
  */
 
+#define WRITE_EQ_OPERATORS_1(type, a)					\
+  inline bool operator==(const type &l, const type &r) {		\
+    return l.a == r.a;							\
+  }									\
+  inline bool operator!=(const type &l, const type &r) {		\
+    return l.a != r.a;							\
+  }
+
+#define WRITE_CMP_OPERATORS_1(type, a)					\
+  inline bool operator>(const type &l, const type &r) {			\
+    return l.a > r.a;							\
+  }									\
+  inline bool operator<(const type &l, const type &r) {			\
+    return l.a < r.a;							\
+  }									\
+  inline bool operator>=(const type &l, const type &r) {		\
+    return l.a >= r.a;							\
+  }									\
+  inline bool operator<=(const type &l, const type &r) {		\
+    return l.a <= r.a;							\
+  }
+
 #define WRITE_EQ_OPERATORS_2(type, a, b)				\
   inline bool operator==(const type &l, const type &r) {		\
     return l.a == r.a && l.b == r.b;					\