macro: clean up usage of gcc attributes

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

diff --git a/src/shared/macro.h b/src/shared/macro.h
index 2f151bcc8cb143f5c80d7d33c7de81a2d4c3236f..3cf17bb8675b59b8b6b9f8d36bcc5c0c1fee16c7 100644 (file)
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -27,7 +27,7 @@
 #include <sys/uio.h>
 #include <inttypes.h>
 
-#define _printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
+#define _printf_(a,b) __attribute__ ((format (printf, a, b)))
 #define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
 #define _sentinel_ __attribute__ ((sentinel))
 #define _noreturn_ __attribute__((noreturn))
@@ -159,6 +159,12 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
         } while (false)
 #endif
 
+#define assert_return(expr, r)                    \
+        do {                                      \
+                if (!(expr))                      \
+                        return (r);               \
+        } while (false)
+
 #define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
 #define INT_TO_PTR(u) ((void *) ((intptr_t) (u)))
 #define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
@@ -271,7 +277,7 @@ do {                                                                    \
   * the const magic to the type, otherwise the compiler warns about
   * signed/unsigned comparison, because the magic can be 32 bit unsigned.
  */
-#define F_TYPE_CMP(a, b) (a == (typeof(a)) b)
+#define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
 
 
 /* Returns the number of chars needed to format variables of the
@@ -284,4 +290,7 @@ do {                                                                    \
             sizeof(type) <= 4 ? 10 :                                    \
             sizeof(type) <= 8 ? 20 : sizeof(int[-2*(sizeof(type) > 8)])))
 
+#define SET_FLAG(v, flag, b) \
+        (v) = (b) ? ((v) | (flag)) : ((v) & ~(flag))
+
 #include "log.h"