shuffle a bit far2l sources

1 files changed, 70 insertions, 0 deletions

diff --git a/far2l/src/fileowner.hpp b/far2l/src/fileowner.hpp
new file mode 100644
index 00000000..e2afc206
--- /dev/null
+++ b/far2l/src/fileowner.hpp
@@ -0,0 +1,70 @@
+#pragma once
+
+/*
+fileowner.hpp
+
+Кэш SID`ов и функция GetOwner
+*/
+/*
+Copyright (c) 1996 Eugene Roshal
+Copyright (c) 2000 Far Group
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the authors may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <map>
+
+template <class ID, const char *(*UNCACHED_LOOKUP)(ID)>
+class CachedFileLookupT
+{
+	struct Cache : std::map<ID, FARString> {} _cache;
+	
+public:
+	const FARString &Lookup(ID id)
+	{
+		auto cache_it = _cache.lower_bound(id);
+		if (cache_it == _cache.end() || cache_it->first != id) {
+			const char *uncached_value = UNCACHED_LOOKUP(id);
+			if (!uncached_value) {
+				uncached_value = "";
+			}
+			cache_it = _cache.insert(cache_it, std::make_pair(id, FARString(uncached_value)));
+		}
+
+		return cache_it->second;
+	}
+};
+
+const char *OwnerNameByID(uid_t id);
+const char *GroupNameByID(gid_t id);
+
+typedef CachedFileLookupT<uid_t, &OwnerNameByID> CachedFileOwnerLookup;
+typedef CachedFileLookupT<gid_t, &GroupNameByID> CachedFileGroupLookup;
+
+
+bool WINAPI GetFileOwner(const wchar_t *Computer,const wchar_t *Name, FARString &strOwner);
+bool WINAPI GetFileGroup(const wchar_t *Computer,const wchar_t *Name, FARString &strGroup);
+
+bool SetOwner(LPCWSTR Object, LPCWSTR Owner);
+bool SetGroup(LPCWSTR Object, LPCWSTR Group);