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daemon: 'deletePath' uses 'statx' when available.

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* nix/libutil/util.cc (_deletePath) [HAVE_STATX]: Use 'statx'.
This commit is contained in:
Ludovic Courtès 2019-11-26 23:51:11 +01:00
parent 7738a72186
commit fbecb5cddb
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1 changed files with 14 additions and 0 deletions
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14
nix/libutil/util.cc
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@ -306,7 +306,18 @@ static void _deletePath(const Path & path, unsigned long long & bytesFreed)
printMsg(lvlVomit, format("%1%") % path);
#ifdef HAVE_STATX
# define st_mode stx_mode
# define st_size stx_size
# define st_nlink stx_nlink
struct statx st;
if (statx(AT_FDCWD, path.c_str(),
AT_SYMLINK_NOFOLLOW,
STATX_SIZE | STATX_NLINK | STATX_MODE, &st) == -1)
throw SysError(format("getting status of `%1%'") % path);
#else
struct stat st = lstat(path);
#endif
if (!S_ISDIR(st.st_mode) && st.st_nlink == 1)
bytesFreed += st.st_size;
@ -321,6 +332,9 @@ static void _deletePath(const Path & path, unsigned long long & bytesFreed)
for (auto & i : readDirectory(path))
_deletePath(path + "/" + i.name, bytesFreed);
}
#undef st_mode
#undef st_size
#undef st_nlink
if (remove(path.c_str()) == -1)
throw SysError(format("cannot unlink `%1%'") % path);