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Diffstat (limited to 'include/nm-utils-internal.h')
| -rw-r--r-- | include/nm-utils-internal.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/nm-utils-internal.h b/include/nm-utils-internal.h new file mode 100644 index 00000000..c002b6c1 --- /dev/null +++ b/include/nm-utils-internal.h @@ -0,0 +1,103 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * (C) Copyright 2014 Red Hat, Inc. + */ + +#ifndef __NM_UTILS_INTERNAL_H__ +#define __NM_UTILS_INTERNAL_H__ + + +#include <glib.h> + +/********************************************************/ + +/* http://stackoverflow.com/a/11172679 */ +#define _NM_UTILS_MACRO_FIRST(...) __NM_UTILS_MACRO_FIRST_HELPER(__VA_ARGS__, throwaway) +#define __NM_UTILS_MACRO_FIRST_HELPER(first, ...) first + +#define _NM_UTILS_MACRO_REST(...) __NM_UTILS_MACRO_REST_HELPER(__NM_UTILS_MACRO_REST_NUM(__VA_ARGS__), __VA_ARGS__) +#define __NM_UTILS_MACRO_REST_HELPER(qty, ...) __NM_UTILS_MACRO_REST_HELPER2(qty, __VA_ARGS__) +#define __NM_UTILS_MACRO_REST_HELPER2(qty, ...) __NM_UTILS_MACRO_REST_HELPER_##qty(__VA_ARGS__) +#define __NM_UTILS_MACRO_REST_HELPER_ONE(first) +#define __NM_UTILS_MACRO_REST_HELPER_TWOORMORE(first, ...) , __VA_ARGS__ +#define __NM_UTILS_MACRO_REST_NUM(...) \ + __NM_UTILS_MACRO_REST_SELECT_20TH(__VA_ARGS__, \ + TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE,\ + TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE,\ + TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE,\ + TWOORMORE, TWOORMORE, TWOORMORE, ONE, throwaway) +#define __NM_UTILS_MACRO_REST_SELECT_20TH(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, ...) a20 + +/********************************************************/ + +#if defined (__GNUC__) +#define _NM_PRAGMA_WARNING_DO(warning) G_STRINGIFY(GCC diagnostic ignored warning) +#elif defined (__clang__) +#define _NM_PRAGMA_WARNING_DO(warning) G_STRINGIFY(clang diagnostic ignored warning) +#endif + +/* you can only suppress a specific warning that the compiler + * understands. Otherwise you will get another compiler warning + * about invalid pragma option. + * It's not that bad however, because gcc and clang often have the + * same name for the same warning. */ + +#if defined (__GNUC__) +#define NM_PRAGMA_WARNING_DISABLE(warning) \ + _Pragma("GCC diagnostic push"); \ + _Pragma(_NM_PRAGMA_WARNING_DO(warning)) +#elif defined (__clang__) +#define NM_PRAGMA_WARNING_DISABLE(warning) \ + _Pragma("clang diagnostic push"); \ + _Pragma(_NM_PRAGMA_WARNING_DO(warning)) +#else +#define NM_PRAGMA_WARNING_DISABLE(warning) +#endif + +#if defined (__GNUC__) +#define NM_PRAGMA_WARNING_REENABLE \ + _Pragma("GCC diagnostic pop") +#elif defined (__clang__) +#define NM_PRAGMA_WARNING_REENABLE \ + _Pragma("clang diagnostic pop") +#else +#define NM_PRAGMA_WARNING_REENABLE +#endif + +/********************************************************/ + +/* macro to return strlen() of a compile time string. */ +#define STRLEN(str) ( sizeof ("" str) - 1 ) + +#define NM_IN_SET(x, y, ...) \ + ({ \ + const typeof(y) _y = (y); \ + typeof(_y) _x = (x); \ + unsigned _i; \ + gboolean _found = FALSE; \ + for (_i = 0; _i < 1 + sizeof((typeof(_x)[]) { __VA_ARGS__ })/sizeof(typeof(_x)); _i++) { \ + if (((typeof(_x)[]) { _y, __VA_ARGS__ })[_i] == _x) { \ + _found = TRUE; \ + break; \ + } \ + } \ + _found; \ + }) + +#endif |