mark our string classes as SAL_WARN_UNUSED

Change-Id: I420229dea6c5b3e45cec5989897bb31654851e32

4 files changed, 4 insertions, 4 deletions

diff --git a/sal/inc/rtl/strbuf.hxx b/sal/inc/rtl/strbuf.hxx
index 62c17990453e..51bb05febfb0 100644
--- a/sal/inc/rtl/strbuf.hxx
+++ b/sal/inc/rtl/strbuf.hxx
@@ -97,7 +97,7 @@ namespace rtl
     buffer array. If the internal buffer overflows, it is
     automatically made larger.
  */
-class OStringBuffer
+class SAL_WARN_UNUSED OStringBuffer
 {
 public:
     /**
diff --git a/sal/inc/rtl/string.hxx b/sal/inc/rtl/string.hxx
index d58999b812f6..a135d4ed400b 100644
--- a/sal/inc/rtl/string.hxx
+++ b/sal/inc/rtl/string.hxx
@@ -91,7 +91,7 @@ namespace rtl
   use this class.
 */
 
-class OString
+class SAL_WARN_UNUSED OString
 {
 public:
     /// @cond INTERNAL
diff --git a/sal/inc/rtl/ustrbuf.hxx b/sal/inc/rtl/ustrbuf.hxx
index a11dff178442..426d129ab5d5 100644
--- a/sal/inc/rtl/ustrbuf.hxx
+++ b/sal/inc/rtl/ustrbuf.hxx
@@ -92,7 +92,7 @@ namespace rtl
     buffer array. If the internal buffer overflows, it is
     automatically made larger.
  */
-class OUStringBuffer
+class SAL_WARN_UNUSED OUStringBuffer
 {
 public:
     /**
diff --git a/sal/inc/rtl/ustring.hxx b/sal/inc/rtl/ustring.hxx
index e12a4b0b6256..97568012e06a 100644
--- a/sal/inc/rtl/ustring.hxx
+++ b/sal/inc/rtl/ustring.hxx
@@ -90,7 +90,7 @@ namespace rtl
   use this class.
 */
 
-class OUString
+class SAL_WARN_UNUSED OUString
 {
 public:
     /// @cond INTERNAL