From 83606b73f66b4722d9b8d98fc13f69dd3563eae5 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Fri, 29 Dec 2017 17:11:42 +0900 Subject: [PATCH] nsflags: add namespace_flag_to_string_many_with_check() The function will be used in later commits. --- src/shared/nsflags.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/shared/nsflags.h b/src/shared/nsflags.h index dcac6cd0b2..51bc590621 100644 --- a/src/shared/nsflags.h +++ b/src/shared/nsflags.h @@ -42,6 +42,13 @@ unsigned long namespace_flag_from_string(const char *name); int namespace_flag_from_string_many(const char *name, unsigned long *ret); int namespace_flag_to_string_many(unsigned long flags, char **ret); +static inline int namespace_flag_to_string_many_with_check(unsigned long n, char **s) { + if ((n & NAMESPACE_FLAGS_ALL) != n) + return -EINVAL; + + return namespace_flag_to_string_many(n, s); +} + struct namespace_flag_map { unsigned long flag; const char *name;