bus: export utf8 validator calls as pure functions

diff --git a/src/systemd/_sd-common.h b/src/systemd/_sd-common.h
index b0c48aa..594ff3d 100644 (file)
--- a/src/systemd/_sd-common.h
+++ b/src/systemd/_sd-common.h
@@ -40,6 +40,10 @@
 #  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)

diff --git a/src/systemd/sd-utf8.h b/src/systemd/sd-utf8.h
index 4a43eb7..205ee42 100644 (file)
--- a/src/systemd/sd-utf8.h
+++ b/src/systemd/sd-utf8.h
@@ -26,8 +26,8 @@
 
 _SD_BEGIN_DECLARATIONS;
 
-const char *sd_utf8_is_valid(const char *s);
-const char *sd_ascii_is_valid(const char *s);
+_sd_pure_ const char *sd_utf8_is_valid(const char *s);
+_sd_pure_ const char *sd_ascii_is_valid(const char *s);
 
 _SD_END_DECLARATIONS;