Initial commit

third-party/scintilla/StringCopy.h

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+// Scintilla source code edit control
+/** @file StringCopy.h
+ ** Safe string copy function which always NUL terminates.
+ ** ELEMENTS macro for determining array sizes.
+ **/
+// Copyright 2013 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#ifndef STRINGCOPY_H
+#define STRINGCOPY_H
+
+#ifdef SCI_NAMESPACE
+namespace Scintilla {
+#endif
+
+// Safer version of string copy functions like strcpy, wcsncpy, etc.
+// Instantiate over fixed length strings of both char and wchar_t.
+// May truncate if source doesn't fit into dest with room for NUL.
+
+template <typename T, size_t count>
+void StringCopy(T (&dest)[count], const T* source) {
+	for (size_t i=0; i<count; i++) {
+		dest[i] = source[i];
+		if (!source[i])
+			break;
+	}
+	dest[count-1] = 0;
+}
+
+#define ELEMENTS(a) (sizeof(a) / sizeof(a[0]))
+
+#ifdef SCI_NAMESPACE
+}
+#endif
+
+#endif