basic/missing: add copy_file_range

[elogind.git] / src / basic / macro.h

diff --git a/src/basic/macro.h b/src/basic/macro.h
index c529c6ecade118cd4a83552251930f28febd1d28..b36a95675ad7224ec1a4cc9b525ec065a78eec0f 100644 (file)
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -25,6 +23,7 @@
 #include <inttypes.h>
 #include <stdbool.h>
 #include <sys/param.h>
+#include <sys/sysmacros.h>
 #include <sys/types.h>
 
 #define _printf_(a,b) __attribute__ ((format (printf, a, b)))
@@ -226,7 +225,7 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
 /* We override the glibc assert() here. */
 #undef assert
 #ifdef NDEBUG
-#define assert(expr) do {} while(false)
+#define assert(expr) do {} while (false)
 #else
 #define assert(expr) assert_message_se(expr, #expr)
 #endif
@@ -363,6 +362,12 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
                 _found;                         \
         })
 
+#define SWAP_TWO(x, y) do {                        \
+                typeof(x) _t = (x);                \
+                (x) = (y);                         \
+                (y) = (_t);                        \
+        } while (false)
+
 /* Define C11 thread_local attribute even on older gcc compiler
  * version */
 #ifndef thread_local