bus: internalize a lot of protocol definitions

[elogind.git] / src / systemd / _sd-common.h

diff --git a/src/systemd/_sd-common.h b/src/systemd/_sd-common.h
index b0c48aab9b2e7ff2ba6cd38548cf7abf3d8614b3..cc3be9380315c4c1645a1a956de76ebee1b2033f 100644 (file)
--- a/src/systemd/_sd-common.h
+++ b/src/systemd/_sd-common.h
@@ -24,6 +24,10 @@
 
 /* This is a private header, never even think of including this directly! */
 
+#if __INCLUDE_LEVEL__ <= 1
+#error "Do not include _sd-common.h directly, it is a private header."
+#endif
+
 #ifndef _sd_printf_
 #  if __GNUC__ >= 4
 #    define _sd_printf_(a,b) __attribute__ ((format (printf, a, b)))
@@ -40,6 +44,10 @@
 #  define _sd_packed_ __attribute__((packed))
 #endif
 
+#ifndef _sd_pure_
+#  define _sd_pure_ __attribute__((pure))
+#endif
+
 #ifndef _SD_STRINGIFY
 #  define _SD_XSTRINGIFY(x) #x
 #  define _SD_STRINGIFY(x) _SD_XSTRINGIFY(x)