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author | Lennart Poettering <lennart@poettering.net> | 2019-04-08 12:11:11 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2019-04-08 12:11:11 +0200 |
commit | dc90e0faae63a26a3e7aa4d285a50b1efb1ae39a (patch) | |
tree | 115168bfde588f513d92da56cbf0abc9ecf26d5a /src/basic/string-util.h | |
parent | e7b88b7bc1b33af3966349ca59ecd3d25c3e8504 (diff) | |
download | systemd-dc90e0faae63a26a3e7aa4d285a50b1efb1ae39a.tar.gz |
basic: add new helper call empty_or_dash_to_null()
We have a function like this at two places already. Let's unify it in
one generic location and let's port a number of users over.
Diffstat (limited to 'src/basic/string-util.h')
-rw-r--r-- | src/basic/string-util.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/basic/string-util.h b/src/basic/string-util.h index b27ad511bd..b23f4c8341 100644 --- a/src/basic/string-util.h +++ b/src/basic/string-util.h @@ -63,6 +63,10 @@ static inline bool empty_or_dash(const char *str) { (str[0] == '-' && str[1] == 0); } +static inline const char *empty_or_dash_to_null(const char *p) { + return empty_or_dash(p) ? NULL : p; +} + static inline char *startswith(const char *s, const char *prefix) { size_t l; |