* moved ErrnoMaintainer into its own header to be reusable.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37931 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/libroot/ErrnoMaintainer.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010, Oliver Tappe, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ERRNO_MAINTAINER_H
+#define _ERRNO_MAINTAINER_H
+
+
+#include <errno.h>
+
+
+namespace BPrivate {
+
+
+/**
+ * A helper class resetting errno to 0 if it has been set during the execution
+ * of ICU methods. Any changes of errno shall only be done by our callers.
+ */
+class ErrnoMaintainer {
+public:
+	ErrnoMaintainer()
+		: fErrnoUponEntry(errno)
+	{
+	}
+
+	~ErrnoMaintainer()
+	{
+		if (errno != 0 && fErrnoUponEntry == 0)
+			errno = 0;
+	}
+private:
+	int fErrnoUponEntry;
+};
+
+
+}	// namespace BPrivate
+
+
+#endif	// _ERRNO_MAINTAINER_H

src/system/libroot/add-ons/icu/locale/ICULocaleBackend.cpp

@@ -8,11 +8,12 @@
 
 #include <new>
 
-#include <errno.h>
 #include <langinfo.h>
 #include <locale.h>
 #include <string.h>
 
+#include <ErrnoMaintainer.h>
+
 
 namespace BPrivate {
 
@@ -24,27 +25,6 @@ CreateInstance()
 }
 
 
-/**
- * A helper class resetting errno to 0 if it has been set during the execution
- * of ICU methods. Any changes of errno shall only be done by our callers.
- */
-class ErrnoMaintainer {
-public:
-	ErrnoMaintainer()
-		: fErrnoUponEntry(errno)
-	{
-	}
-
-	~ErrnoMaintainer()
-	{
-		if (errno != 0 && fErrnoUponEntry == 0)
-			errno = 0;
-	}
-private:
-	int fErrnoUponEntry;
-};
-
-
 ICULocaleBackend::ICULocaleBackend()
 	:
 	fMonetaryData(fLocaleConv),

src/system/libroot/add-ons/icu/locale/Jamfile

@@ -1,7 +1,10 @@
 SubDir HAIKU_TOP src system libroot add-ons icu locale ;
 
-UsePrivateHeaders [ FDirName libroot locale ] ;
-UsePrivateHeaders [ FDirName libroot time ] ;
+UsePrivateHeaders
+	libroot
+	[ FDirName libroot locale ]
+	[ FDirName libroot time ]
+;
 
 local sources =
 	ICUCategoryData.cpp