use #pragma once instead of foo*foo define guards

[elogind.git] / src / shared / utmp-wtmp.c

diff --git a/src/shared/utmp-wtmp.c b/src/shared/utmp-wtmp.c
index 342e0a9cf1aceefb7dd7313e9da6a5307a2b8781..5d88405e13b471fff0b8184d98627ad4d105aaa4 100644 (file)
--- a/src/shared/utmp-wtmp.c
+++ b/src/shared/utmp-wtmp.c
@@ -190,7 +190,7 @@ int utmp_put_reboot(usec_t t) {
         return write_entry_both(&store);
 }
 
-static const char *sanitize_id(const char *id) {
+_pure_ static const char *sanitize_id(const char *id) {
         size_t l;
 
         assert(id);