2011-12-12 Sebastian Huber <sebastian.huber@embedded-brains.de>

* score/src/wkstringduplicate.c: New file.
	* score/Makefile.am: Reflect change above.
	* score/include/rtems/score/wkspace.h: Declare
	_Workspace_String_duplicate().

cpukit/ChangeLog

@@ -1,3 +1,10 @@
+2011-12-12	Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* score/src/wkstringduplicate.c: New file.
+	* score/Makefile.am: Reflect change above.
+	* score/include/rtems/score/wkspace.h: Declare
+	_Workspace_String_duplicate().
+
 2011-12-10	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* posix/src/fork.c: Include <unistd.h> for "fork" prototype.

cpukit/score/Makefile.am

@@ -329,7 +329,7 @@ libscore_a_SOURCES += src/userextaddset.c \
 libscore_a_SOURCES += src/apiext.c src/chain.c src/chainappend.c \
     src/chainextract.c src/chainget.c src/chaininsert.c \
     src/chainappendempty.c src/chainprependempty.c src/chaingetempty.c \
-    src/interr.c src/isr.c src/wkspace.c
+    src/interr.c src/isr.c src/wkspace.c src/wkstringduplicate.c
 
 EXTRA_DIST = src/Unlimited.txt
 

cpukit/score/include/rtems/score/wkspace.h

@@ -99,6 +99,23 @@ void *_Workspace_Allocate_or_fatal_error(
   size_t  size
 );
 
+/**
+ * @brief Duplicates the @a string with memory from the Workspace.
+ *
+ * If the @a string length exceeds @a maxlen, then the additional characters
+ * will be discarded.
+ *
+ * @param[in] string Pointer to zero terminated string.
+ * @param[in] maxlen Maximum length of the duplicated string.
+ *
+ * @return NULL Not enough memory.
+ * @return other Duplicated string.
+ */
+char *_Workspace_String_duplicate(
+  const char *string,
+  size_t maxlen
+);
+
 #ifndef __RTEMS_APPLICATION__
 #include <rtems/score/wkspace.inl>
 #endif

cpukit/score/src/wkstringduplicate.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/score/wkspace.h>
+
+#include <string.h>
+
+char *_Workspace_String_duplicate(
+  const char *string,
+  size_t maxlen
+)
+{
+  size_t n = strnlen(string, maxlen);
+  char *dup = _Workspace_Allocate(n + 1);
+
+  if (dup != NULL) {
+    dup [n] = '\0';
+    memcpy(dup, string, n);
+  }
+
+  return dup;
+}