X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Ftypes.h;h=96a923b81fee6a0f858575a79b8d5e7b145bbe35;hp=75b2ad1b863bdcc3b860896fd7dfe19b77339996;hb=dc1685ca25567fe75c8d50c825fb0303fbb66fac;hpb=4cf8d5ec177dd05919a5a5eb32625bf7a4a3bb3f

diff --git a/src/helper/types.h b/src/helper/types.h
index 75b2ad1b86..96a923b81f 100644
--- a/src/helper/types.h
+++ b/src/helper/types.h
@@ -2,7 +2,7 @@
  *   Copyright (C) 2004, 2005 by Dominic Rath                              *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -23,12 +23,16 @@
 #ifndef TYPES_H
 #define TYPES_H
 
+#include <stddef.h>
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
-
-typedef struct jtag_tap_s jtag_tap_t;
+#endif
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
 
 #ifdef HAVE_STDBOOL_H
 #include <stdbool.h>
@@ -51,6 +55,43 @@ typedef bool _Bool;
 
 #endif	/* HAVE_STDBOOL_H */
 
+/// turns a macro argument into a string constant
+#define stringify(s) __stringify(s)
+#define __stringify(s) #s
+
+
+/**
+ * Compute the number of elements of a variable length array.
+ * <code>
+ * const char *strs[] = { "a", "b", "c" };
+ * unsigned num_strs = ARRAY_SIZE(strs);
+ * </code>
+ */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
+
+
+/**
+ * Cast a member of a structure out to the containing structure.
+ * @param ptr The pointer to the member.
+ * @param type The type of the container struct this is embedded in.
+ * @param member The name of the member within the struct.
+ *
+ * This is a mechanism which is used throughout the Linux kernel.
+ */
+#define container_of(ptr, type, member) ({			\
+	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
+	(type *)( (char *)__mptr - offsetof(type,member) );})
+
+
+/**
+ * Rounds @c m up to the nearest multiple of @c n using division.
+ * @params m The value to round up to @c n.
+ * @params n Round @c m up to a multiple of this number.
+ * @returns The rounded integer value.
+ */
+#define DIV_ROUND_UP(m, n)	(((m) + (n) - 1) / (n))
+
+
 /* DANGER!!!! here be dragons!
  *
  * Leave these fn's as byte accesses because it is safe
@@ -118,9 +159,20 @@ static inline void h_u16_to_be(uint8_t* buf, int val)
 	buf[1] = (uint8_t) (val >> 0);
 }
 
-#ifdef __ECOS
+#if defined(__ECOS)
+
+/* eCos plain lacks these definition... A series of upstream patches
+ * could probably repair it, but it seems like too much work to be
+ * worth it.
+ */
+
+#if !defined(_STDINT_H)
+#define PRIx32 "x"
+#define PRId32 "d"
+#define SCNx32 "x"
+#define PRIi32 "i"
+#define PRIu32 "u"
 
-/* eCos plain lacks this definition... */
 typedef CYG_ADDRWORD intptr_t;
 typedef int64_t intmax_t;
 typedef uint64_t uintmax_t;
@@ -136,8 +188,19 @@ typedef uint64_t uintmax_t;
 #define INT64_MAX 0x7fffffffffffffffLL
 #define INT64_MIN (-INT64_MAX - 1LL)
 #define UINT64_MAX (__CONCAT(INT64_MAX, U) * 2ULL + 1ULL)
+#endif
+
+    #ifndef LLONG_MAX
+	#define ULLONG_MAX	UINT64_C(0xFFFFFFFFFFFFFFFF)
+	#define LLONG_MAX	INT64_C(0x7FFFFFFFFFFFFFFF)
+	#define LLONG_MIN	ULLONG_MAX
+    #endif
+
 
+#define ULLONG_MAX 18446744073709551615
 
+/* C99, eCos is C90 compliant (with bits of C99) */
+#define isblank(c) ((c) == ' ' || (c) == '\t')
 
 
 #endif