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util: fall back in rename_noreplace when renameat2 isn't implemented

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According to README we only need 3.7, and while it may also make sense
to bump that requirement when appropriate, it's trivial to fall back
when renameat2 is not available.
This commit is contained in:
Richard Maw 2015-07-02 13:04:34 +00:00
parent 9ebdb1e057
commit 715d759905
1 changed files with 3 additions and 4 deletions
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7
src/basic/util.c
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@ -5925,10 +5925,9 @@ int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char
if (ret >= 0)
return 0;
/* Even though renameat2() exists since Linux 3.15, btrfs added
* support for it later. If it is not implemented, fallback to another
* method. */
if (errno != EINVAL)
/* renameat2() exists since Linux 3.15, btrfs added support for it later.
* If it is not implemented, fallback to another method. */
if (!IN_SET(errno, EINVAL, ENOSYS))
return -errno;
/* The link()/unlink() fallback does not work on directories. But