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| author | Alban Crequy <alban@endocode.com> | 2015-03-10 18:15:52 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-03-10 18:23:46 +0100 |
| commit | f85ef957e647c5182acf5e64298f68e4b7fbfe8f (patch) | |
| tree | 505151f058adc41e72d262d044cc2b0092a148aa /src/shared/util.h | |
| parent | 27cc6f166bdebc0e698fb692993b801db2618866 (diff) | |
util: add rename_noreplace
renameat2() exists since Linux 3.15 but btrfs support for the flag
RENAME_NOREPLACE was added later.
This patch implements a fallback when renameat2() returns EINVAL.
EINVAL is the error returned when the filesystem does not support one of
the flags.
Diffstat (limited to 'src/shared/util.h')
| -rw-r--r-- | src/shared/util.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/shared/util.h b/src/shared/util.h index d2da3e2895..d229e1e68c 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -1081,3 +1081,5 @@ void sigkill_wait(pid_t *pid); int syslog_parse_priority(const char **p, int *priority, bool with_facility); void cmsg_close_all(struct msghdr *mh); + +int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath); |