4 files changed, 26 insertions, 3 deletions
diff --git a/include/Makefile.am b/include/Makefile.am
index e3d3f86..4122611 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -5,5 +5,5 @@ nobase_include_HEADERS = libHX.h libHX/cast.h \
 	libHX/endian.h libHX/endian_float.h libHX/init.h \
 	libHX/intdiff.hpp libHX/io.h libHX/list.h \
 	libHX/map.h libHX/misc.h libHX/option.h libHX/proc.h \
-	libHX/scope.hpp libHX/socket.h libHX/string.h \
+	libHX/scope.hpp libHX/socket.h libHX/string.h libHX/tie.hpp \
 	libHX/libxml_helper.h libHX/wx_helper.hpp
diff --git a/include/Makefile.in b/include/Makefile.in
index 3f3227d..29184bd 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -311,7 +311,7 @@ nobase_include_HEADERS = libHX.h libHX/cast.h \
 	libHX/endian.h libHX/endian_float.h libHX/init.h \
 	libHX/intdiff.hpp libHX/io.h libHX/list.h \
 	libHX/map.h libHX/misc.h libHX/option.h libHX/proc.h \
-	libHX/scope.hpp libHX/socket.h libHX/string.h \
+	libHX/scope.hpp libHX/socket.h libHX/string.h libHX/tie.hpp \
 	libHX/libxml_helper.h libHX/wx_helper.hpp
 
 all: all-am
diff --git a/include/libHX/ctype_helper.h b/include/libHX/ctype_helper.h
index 0f42c4f..85dd29b 100644
--- a/include/libHX/ctype_helper.h
+++ b/include/libHX/ctype_helper.h
@@ -41,7 +41,7 @@ static __inline__ bool HX_isalpha(unsigned char c)
 
 static __inline__ bool HX_isascii(unsigned char c)
 {
-	return isascii(c);
+	return c < 128;
 }
 
 static __inline__ bool HX_isdigit(unsigned char c)
diff --git a/include/libHX/tie.hpp b/include/libHX/tie.hpp
new file mode 100644
index 0000000..c3c9d69
--- /dev/null
+++ b/include/libHX/tie.hpp
@@ -0,0 +1,23 @@
+#pragma once
+#include <memory>
+
+namespace HX {
+
+template<typename T, typename D> class unique_proxy {
+	public:
+	unique_proxy(std::unique_ptr<T, D> &a) : u(a), p(u.get()) {}
+	~unique_proxy() { u.reset(p); }
+	typename std::unique_ptr<T, D>::pointer *operator&() { return &p; }
+	unique_proxy &operator~() { u.reset(); p = nullptr; return *this; }
+	private:
+	std::unique_ptr<T, D> &u;
+	typename std::unique_ptr<T, D>::pointer p;
+};
+
+template<typename T, typename D> unique_proxy<T, D>
+unique_tie(std::unique_ptr<T, D> &u)
+{
+	return unique_proxy<T, D>(u);
+}
+
+} /* namespace */