tools/locale: Fix using auto_ptr to array.

Use BStackOrHeapArray instead of using auto_ptr to array.

Change-Id: I171cb002829c36ec51ba7d1e387869263e2a40f2
Reviewed-on: https://review.haiku-os.org/745
Reviewed-by: Adrien Destugues <pulkomandy@pulkomandy.tk>

headers/build/os/support/StackOrHeapArray.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2012, Jonathan Schleifer <js@webkeks.org>. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_SUPPORT_STACKORHEAPARRAY_H
+#define	_SUPPORT_STACKORHEAPARRAY_H
+
+#include <cstddef>
+#include <new>
+
+template <typename Type, int StackSize>
+class BStackOrHeapArray {
+public:
+	BStackOrHeapArray(size_t count)
+	{
+		if (count > StackSize)
+			fData = new(std::nothrow) Type[count];
+		else
+			fData = fStackData;
+	}
+
+	~BStackOrHeapArray()
+	{
+		if (fData != fStackData)
+			delete[] fData;
+	}
+
+	bool IsValid() const
+	{
+		return fData != NULL;
+	}
+
+	operator Type*()
+	{
+		return fData;
+	}
+
+private:
+	Type	fStackData[StackSize];
+	Type*	fData;
+};
+
+#endif

src/tools/locale/DefaultCatalog.cpp

@@ -8,7 +8,6 @@
  */
 
 
-#include <memory>
 #include <new>
 #include <syslog.h>
 
@@ -24,6 +23,7 @@
 #include <Path.h>
 #include <Resources.h>
 #include <Roster.h>
+#include <StackOrHeapArray.h>
 
 #include <DefaultCatalog.h>
 #include <LocaleRoster.h>
@@ -32,7 +32,6 @@
 
 
 using BPrivate::DefaultCatalog;
-using std::auto_ptr;
 
 
 /*!	This file implements the default catalog-type for the opentracker locale
@@ -150,12 +149,12 @@ DefaultCatalog::ReadFromFile(const char *path)
 		return res;
 	}
 
-	auto_ptr<char> buf(new(std::nothrow) char [sz]);
-	if (buf.get() == NULL) {
+	BStackOrHeapArray<char, 0> buf(sz);
+	if (!buf.IsValid()) {
 		fprintf(stderr, "couldn't allocate array of %Ld chars\n", sz);
 		return B_NO_MEMORY;
 	}
-	res = catalogFile.Read(buf.get(), sz);
+	res = catalogFile.Read(buf, sz);
 	if (res < B_OK) {
 		fprintf(stderr, "couldn't read from catalog-file %s\n", path);
 		return res;
@@ -166,7 +165,7 @@ DefaultCatalog::ReadFromFile(const char *path)
 			path);
 		return res;
 	}
-	BMemoryIO memIO(buf.get(), sz);
+	BMemoryIO memIO(buf, sz);
 	res = Unflatten(&memIO);
 
 	if (res == B_OK) {

src/tools/locale/PlainTextCatalog.cpp

@@ -9,7 +9,6 @@
 #include <cstdio>
 #include <iostream>
 #include <fstream>
-#include <memory>
 #include <new>
 #include <sstream>
 #include <string>
@@ -32,7 +31,6 @@
 
 
 using BPrivate::PlainTextCatalog;
-using std::auto_ptr;
 using std::min;
 using std::max;
 using std::pair;