[svn-r27133] - Add a new attribute function characterstic for format:

  * H5_ATTR_FORMAT(X,Y,Z)  __attribute__((format(X, Y, Z)))
- Rename UNUSED attribute characterstic to H5_ATTR_UNUSED.
- Rename NORETURN attribute characterstic to H5_ATTR_NORETURN

tested with h5committest.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/H5api_adpt.h b/src/H5api_adpt.h
index 9b00bd9..52167d0 100644
--- a/src/H5api_adpt.h
+++ b/src/H5api_adpt.h
@@ -21,6 +21,26 @@
 #ifndef H5API_ADPT_H
 #define H5API_ADPT_H
 
+/*
+ * Does the compiler support the __attribute__(()) syntax?  It's no
+ * big deal if we don't.
+ */
+#ifdef __cplusplus
+#   define H5_ATTR_FORMAT(X,Y,Z)  /*void*/
+#   define H5_ATTR_UNUSED    /*void*/
+#   define H5_ATTR_NORETURN  /*void*/
+#else /* __cplusplus */
+#ifdef H5_HAVE_ATTRIBUTE
+#   define H5_ATTR_FORMAT(X,Y,Z)  __attribute__((format(X, Y, Z)))
+#   define H5_ATTR_UNUSED    __attribute__((unused))
+#   define H5_ATTR_NORETURN  __attribute__((noreturn))
+#else
+#   define H5_ATTR_FORMAT(X,Y,Z)  /*void*/
+#   define H5_ATTR_UNUSED    /*void*/
+#   define H5_ATTR_NORETURN  /*void*/
+#endif
+#endif /* __cplusplus */
+
 /* This will only be defined if HDF5 was built with CMake */
 #ifdef H5_BUILT_AS_DYNAMIC_LIB