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lstat() cleanup

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This commit is contained in:
Eelco Dolstra 2020-09-23 19:17:28 +02:00
parent 688bd4fb50
commit 236d9ee7f7
8 changed files with 15 additions and 46 deletions
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18
src/libstore/local-store.cc
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@ -114,8 +114,7 @@ LocalStore::LocalStore(const Params & params)
Path path = realStoreDir;
struct stat st;
while (path != "/") {
if (lstat(path.c_str(), &st))
throw SysError("getting status of '%1%'", path);
st = lstat(path);
if (S_ISLNK(st.st_mode))
throw Error(
"the path '%1%' is a symlink; "
@ -419,10 +418,7 @@ static void canonicaliseTimestampAndPermissions(const Path & path, const struct
void canonicaliseTimestampAndPermissions(const Path & path)
{
struct stat st;
if (lstat(path.c_str(), &st))
throw SysError("getting attributes of path '%1%'", path);
canonicaliseTimestampAndPermissions(path, st);
canonicaliseTimestampAndPermissions(path, lstat(path));
}
@ -440,9 +436,7 @@ static void canonicalisePathMetaData_(const Path & path, uid_t fromUid, InodesSe
}
#endif
struct stat st;
if (lstat(path.c_str(), &st))
throw SysError("getting attributes of path '%1%'", path);
auto st = lstat(path);
/* Really make sure that the path is of a supported type. */
if (!(S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)))
@ -521,9 +515,7 @@ void canonicalisePathMetaData(const Path & path, uid_t fromUid, InodesSeen & ino
/* On platforms that don't have lchown(), the top-level path can't
be a symlink, since we can't change its ownership. */
struct stat st;
if (lstat(path.c_str(), &st))
throw SysError("getting attributes of path '%1%'", path);
auto st = lstat(path);
if (st.st_uid != geteuid()) {
assert(S_ISLNK(st.st_mode));
@ -1454,7 +1446,7 @@ static void makeMutable(const Path & path)
{
checkInterrupt();
struct stat st = lstat(path);
auto st = lstat(path);
if (!S_ISDIR(st.st_mode) && !S_ISREG(st.st_mode)) return;