aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/common/common-defs.h6
-rw-r--r--gdb/utils.h2
3 files changed, 13 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 65a74cd..fae7ec0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2019-03-05 Tom Tromey <tromey@adacore.com>
+
+ * utils.h (class gdb_argv) <release>: Add
+ ATTRIBUTE_UNUSED_RESULT.
+ * common/common-defs.h (ATTRIBUTE_UNUSED_RESULT): Define.
+
2019-03-02 Eli Zaretskii <eliz@gnu.org>
* xml-syscall.c (xml_list_syscalls_by_group): Drop 'struct' from
diff --git a/gdb/common/common-defs.h b/gdb/common/common-defs.h
index 732693d..6b1f004 100644
--- a/gdb/common/common-defs.h
+++ b/gdb/common/common-defs.h
@@ -93,6 +93,12 @@
#undef ATTRIBUTE_PRINTF
#define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF
+#if GCC_VERSION >= 3004
+#define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
+#else
+#define ATTRIBUTE_UNUSED_RESULT
+#endif
+
#include "libiberty.h"
#include "pathmax.h"
#include "gdb/signals.h"
diff --git a/gdb/utils.h b/gdb/utils.h
index 896feb9..9dbd638 100644
--- a/gdb/utils.h
+++ b/gdb/utils.h
@@ -188,7 +188,7 @@ public:
/* Return the underlying array, transferring ownership to the
caller. */
- char **release ()
+ ATTRIBUTE_UNUSED_RESULT char **release ()
{
char **result = m_argv;
m_argv = NULL;