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author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2017-12-29 17:11:42 +0900 |
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committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2018-01-02 02:23:43 +0900 |
commit | 83606b73f66b4722d9b8d98fc13f69dd3563eae5 (patch) | |
tree | ced42a49d2bffe5ebe979dd74ed80ddad7857135 /src/shared/nsflags.h | |
parent | 3e3c5a4571d22d6cc9773420d4d4ee82ae6f0f27 (diff) | |
download | systemd-83606b73f66b4722d9b8d98fc13f69dd3563eae5.tar.gz |
nsflags: add namespace_flag_to_string_many_with_check()
The function will be used in later commits.
Diffstat (limited to 'src/shared/nsflags.h')
-rw-r--r-- | src/shared/nsflags.h | 7 |
1 files changed, 7 insertions, 0 deletions
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; |