shared: add formats-util.h

1 files changed, 63 insertions, 0 deletions

diff --git a/src/shared/formats-util.h b/src/shared/formats-util.h
new file mode 100644
index 0000000000..ce516b117d
--- /dev/null
+++ b/src/shared/formats-util.h
@@ -0,0 +1,63 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2015 Ronny Chevalier
+
+  systemd 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.
+
+  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <inttypes.h>
+
+#if SIZEOF_PID_T == 4
+#  define PID_PRI PRIi32
+#elif SIZEOF_PID_T == 2
+#  define PID_PRI PRIi16
+#else
+#  error Unknown pid_t size
+#endif
+#define PID_FMT "%" PID_PRI
+
+#if SIZEOF_UID_T == 4
+#  define UID_FMT "%" PRIu32
+#elif SIZEOF_UID_T == 2
+#  define UID_FMT "%" PRIu16
+#else
+#  error Unknown uid_t size
+#endif
+
+#if SIZEOF_GID_T == 4
+#  define GID_FMT "%" PRIu32
+#elif SIZEOF_GID_T == 2
+#  define GID_FMT "%" PRIu16
+#else
+#  error Unknown gid_t size
+#endif
+
+#if SIZEOF_TIME_T == 8
+#  define PRI_TIME PRIi64
+#elif SIZEOF_TIME_T == 4
+#  define PRI_TIME PRIu32
+#else
+#  error Unknown time_t size
+#endif
+
+#if SIZEOF_RLIM_T == 8
+#  define RLIM_FMT "%" PRIu64
+#elif SIZEOF_RLIM_T == 4
+#  define RLIM_FMT "%" PRIu32
+#else
+#  error Unknown rlim_t size
+#endif