tweaks.

Makefile

@@ -1,10 +1,10 @@
 CXX = clang++
 LINK.o = $(LINK.cc)
-CXXFLAGS += -std=c++11 -g
+CXXFLAGS += -std=c++11 -g -Wall
 
-dot_clean: dot_clean.o mapped_file.o
+dot_clean: dot_clean.o mapped_file.o applefile.h defer.h
 
-mapped_file.o : mapped_file.cpp mapped_file.h
+mapped_file.o : mapped_file.cpp mapped_file.h unique_resource.h
 
 dot_clean.o : dot_clean.cpp mapped_file.h applefile.h
 

applefile.h

@@ -155,7 +155,6 @@ typedef struct ASEntry ASEntry;
 #define AS_MSDOSINFO    12 /* MS-DOS file info, attributes, etc */
 #define AS_AFPNAME      13 /* Short name on AFP server */
 #define AS_AFPINFO      14 /* AFP file info, attrib., etc */
-
 #define AS_AFPDIRID     15 /* AFP directory ID */
 
 /* matrix of entry types and their usage:

defer.h

@@ -0,0 +1,26 @@
+#ifndef __defer_h__
+#define __defer_h__
+
+#include <utility>
+#include <functional>
+
+
+class defer {
+public:
+	typedef std::function<void()> FX;
+	defer() = default;
+
+	defer(FX &&fx) : _fx(std::forward<FX>(fx)) {}
+	defer(const defer &) = delete;
+	defer(defer &&) = default;
+	defer & operator=(const defer &) = delete;
+	defer & operator=(defer &&) = default;
+
+	void cancel() { _fx = nullptr;  }
+	~defer() { if (_fx) _fx(); }
+private:
+	FX _fx;
+};
+
+
+#endif

dot_clean.cpp

@@ -6,6 +6,7 @@
 #include <algorithm>
 #include <functional>
 #include <system_error>
+#include <utility>
 
 #include <unistd.h>
 #include <fcntl.h>
@@ -23,6 +24,7 @@
 
 #include "applefile.h"
 #include "mapped_file.h"
+#include "defer.h"
 
 
 std::vector<std::string> unlink_list;
@@ -63,25 +65,6 @@ void throw_errno(const std::string &what) {
 }
 
 
-class defer {
-public:
-	typedef std::function<void()> FX;
-	defer() = default;
-
-	defer(FX fx) : _fx(fx) {}
-	defer(const defer &) = delete;
-	defer(defer &&) = default;
-	defer & operator=(const defer &) = delete;
-	defer & operator=(defer &&) = default;
-
-	void cancel() { _fx = nullptr;  }
-	~defer() { if (_fx) _fx(); }
-private:
-	FX _fx;
-};
-
-
-
 void one_file(const std::string &data, const std::string &rsrc) noexcept try {
 
 	struct stat rsrc_st;
@@ -119,9 +102,15 @@ void one_file(const std::string &data, const std::string &rsrc) noexcept try {
 
 
 
-	if (header->magicNum != APPLEDOUBLE_MAGIC || header->versionNum != 0x00020000)
+	if (header->magicNum != APPLEDOUBLE_MAGIC)
 		throw_not_apple_double();
 
+	// v 2 is a super set of v1. v1 had type 7 for os-specific info, since split into
+	// separate entries.
+	if (header->versionNum != 0x00010000 && header->versionNum != 0x00020000)
+		throw_not_apple_double();
+
+
 	if (header->numEntries * sizeof(ASEntry) + sizeof(ASHeader) > mf.size()) throw_eof();
 
 	ASEntry *begin = (ASEntry *)(mf.data() + sizeof(ASHeader));
@@ -139,11 +128,9 @@ void one_file(const std::string &data, const std::string &rsrc) noexcept try {
 
 	});
 
+	std::for_each(begin, end, [&mf,fd](ASEntry &e){
 
-	for (auto iter = begin; iter != end; ++iter) {
-		const auto &e = *iter;
-
-		if (e.entryLength == 0) continue;
+		if (e.entryLength == 0) return;
 		switch(e.entryID) {
 
 			#if 0
@@ -185,8 +172,7 @@ void one_file(const std::string &data, const std::string &rsrc) noexcept try {
 				break;
 			}
 		}
-
-	}
+	});
 
 
 	if (!_p) unlink_list.push_back(rsrc);

mapped_file.cpp

@@ -6,22 +6,6 @@
 #include "unique_resource.h"
 
 namespace {
-	class defer {
-	public:
-		typedef std::function<void()> FX;
-		defer() = default;
-
-		defer(FX fx) : _fx(fx) {}
-		defer(const defer &) = delete;
-		defer(defer &&) = default;
-		defer & operator=(const defer &) = delete;
-		defer & operator=(defer &&) = default;
-
-		void cancel() { _fx = nullptr;  }
-		~defer() { if (_fx) _fx(); }
-	private:
-		FX _fx;
-	};
 
 	void throw_error(int error) {
 		throw std::system_error(error, std::system_category());
@@ -32,8 +16,6 @@ namespace {
 		throw std::system_error(error, std::system_category(), what);
 	}
 
-
-
 }
 
 #ifdef _WIN32

unique_resource.h

@@ -18,6 +18,7 @@ public:
 	unique_resource(T t, D d): _pair(t,d), _active(true)
 	{}
 
+
 	~unique_resource() {
 		reset();
 	}
@@ -40,14 +41,14 @@ public:
 
 	void reset(T t) {
 		reset();
-		_active = true;
 		_pair.first = t;
+		_active = true;
 	}
 
 	void reset(T t, D d) {
 		reset();
-		_active = true;
 		_pair = std::make_pair(t, d);
+		_active = true;
 	}
 
 	void reset() {
@@ -59,10 +60,6 @@ public:
 
 	T release() {
 		_active = false;
-		return _pair.first;;
-	}
-
-	T get() {
 		return _pair.first;
 	}
 
@@ -70,6 +67,16 @@ public:
 		return _active; 
 	}
 
+
+	T& get() {
+		return _pair.first;
+	}
+
+	const T& get() const {
+		return _pair.first;
+	}
+
+
 	D& get_deleter() {
 		return _pair.second;
 	}