Merge branch 'release/0.0.1'

[catta] / include / catta / gccmacro.h

diff --git a/include/catta/gccmacro.h b/include/catta/gccmacro.h
new file mode 100644 (file)
index 0000000..ffd1ac6
--- /dev/null
+++ b/include/catta/gccmacro.h
@@ -0,0 +1,74 @@
+#ifndef foogccmacrohfoo
+#define foogccmacrohfoo
+
+/***
+  This file is part of catta.
+
+  catta is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  catta is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
+  Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with catta; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+/** \file gccmacro.h Defines some macros for GCC extensions */
+
+#include <catta/cdecl.h>
+
+CATTA_C_DECL_BEGIN
+
+#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
+#define CATTA_GCC_ALLOC_SIZE(x) __attribute__ ((__alloc_size__(x)))
+#define CATTA_GCC_ALLOC_SIZE2(x,y) __attribute__ ((__alloc_size__(x,y)))
+#else
+/** Macro for usage of GCC's alloc_size attribute */
+#define CATTA_GCC_ALLOC_SIZE(x)
+#define CATTA_GCC_ALLOC_SIZE2(x,y)
+#endif
+
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+#define CATTA_GCC_SENTINEL __attribute__ ((sentinel))
+#else
+/** Macro for usage of GCC's sentinel compilation warnings */
+#define CATTA_GCC_SENTINEL
+#endif
+
+#ifdef __GNUC__
+#define CATTA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
+#else
+/** Macro for usage of GCC's printf compilation warnings */
+#define CATTA_GCC_PRINTF_ATTR(a,b)
+#endif
+
+/** Same as CATTA_GCC_PRINTF_ATTR but hard coded to arguments 1 and 2 */
+#define CATTA_GCC_PRINTF_ATTR12 CATTA_GCC_PRINTF_ATTR(1,2)
+
+/** Same as CATTA_GCC_PRINTF_ATTR but hard coded to arguments 2 and 3 */
+#define CATTA_GCC_PRINTF_ATTR23 CATTA_GCC_PRINTF_ATTR(2,3)
+
+#ifdef __GNUC__
+#define CATTA_GCC_NORETURN __attribute__((noreturn))
+#else
+/** Macro for no-return functions */
+#define CATTA_GCC_NORETURN
+#endif
+
+#ifdef __GNUC__
+#define CATTA_GCC_UNUSED __attribute__ ((unused))
+#else
+/** Macro for not used parameter */
+#define CATTA_GCC_UNUSED
+#endif
+
+CATTA_C_DECL_END
+
+#endif