rtems/inttypes.h: New file. Uses contents from cpukit

Provide extentions to <inttpes.h> PRIxxx constants for more POSIX types.
Start with existing definitions found in RTEMS Project owned code
in cpukit/.

updates #2983.

cpukit/include/rtems/inttypes.h

@@ -0,0 +1,78 @@
+/**
+ * @file rtems/inttypes.h
+ *
+ * @brief Provide printf() PRIxxx Constante Beyond Standards
+ *
+ * This include file defines PRIxxx constants beyond those in
+ * the C and POSIX standards. These are used to write portable
+ * printf() format strings for POSIX and RTEMS types not in
+ * <inttypes.h>
+ */
+
+/*
+ *  COPYRIGHT (c) 2017 On-Line Applications Research Corporation.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_INTTYPES_H
+#define _RTEMS_INTTYPES_H
+
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup RTEMS inttypes.h Extensions
+ *
+ * This module defines portable PRIxxx constants beyond those
+ * in the C and POSIX standard.
+ */
+
+/** Helper macro to print "modet" in octal */
+#if SIZEOF_MODE_T == 8
+#define PRIomode_t PRIo64
+#elif SIZEOF_MODE_T == 4
+#define PRIomode_t PRIo32
+#else
+#error "PRIomode_t: unsupport size of mode_t"
+#endif
+
+/** Helper macro to print "off_t" in octal */
+#if SIZEOF_OFF_T == 8
+#define PRIooff_t PRIo64
+#elif SIZEOF_OFF_T == 4
+#define PRIooff_t PRIo32
+#else
+#error "PRIooff_t: unsupported size of off_t"
+#endif
+
+/** Helper macro to print "off_t" in decimal */
+#if SIZEOF_OFF_T == 8
+#define PRIdoff_t PRId64
+#elif SIZEOF_OFF_T == 4
+#define PRIdoff_t PRId32
+#else
+#error "PRIdoff_t: unsupported size of off_t"
+#endif
+
+/** Helper macro to print "time_t" in decimal */
+#if SIZEOF_TIME_T == 8
+#define PRIdtime_t PRId64
+#elif SIZEOF_TIME_T == 4
+#define PRIdtime_t PRId32
+#else
+#error "PRIdtime_t: unsupported size of time_t"
+#endif
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif