X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fglimits.h;h=710cbb528abbeba2bbb32bd0dcbf9c71f2e865a3;hb=cb5526cd76771c78bf232a61fcf3472e0faaf5fc;hp=d627ee39d1f9bfed89ad13594454ece8d301944a;hpb=de3126ea8c9c0173cba895f93d42c3d157fb16f1;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/glimits.h b/gcc/glimits.h
index d627ee39d1f..710cbb528ab 100644
--- a/gcc/glimits.h
+++ b/gcc/glimits.h
@@ -1,61 +1,103 @@
+#ifndef _LIMITS_H___
+#define _LIMITS_H___
+
 /* Number of bits in a `char'.  */
 #undef CHAR_BIT
-#define CHAR_BIT 8
+#define CHAR_BIT __CHAR_BIT__
 
-/* No multibyte characters supported yet.  */
-#undef MB_LEN_MAX
+/* Maximum length of a multibyte character.  */
+#ifndef MB_LEN_MAX
 #define MB_LEN_MAX 1
+#endif
 
 /* Minimum and maximum values a `signed char' can hold.  */
 #undef SCHAR_MIN
-#define SCHAR_MIN (-128)
+#define SCHAR_MIN (-SCHAR_MAX - 1)
 #undef SCHAR_MAX
-#define SCHAR_MAX 127
+#define SCHAR_MAX __SCHAR_MAX__
 
 /* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
 #undef UCHAR_MAX
-#define UCHAR_MAX 255
+#if __SCHAR_MAX__ == __INT_MAX__
+# define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
+#else
+# define UCHAR_MAX (SCHAR_MAX * 2 + 1)
+#endif
 
 /* Minimum and maximum values a `char' can hold.  */
 #ifdef __CHAR_UNSIGNED__
-#undef CHAR_MIN
-#define CHAR_MIN 0
-#undef CHAR_MAX
-#define CHAR_MAX 255
+# undef CHAR_MIN
+# if __SCHAR_MAX__ == __INT_MAX__
+#  define CHAR_MIN 0U
+# else
+#  define CHAR_MIN 0
+# endif
+# undef CHAR_MAX
+# define CHAR_MAX UCHAR_MAX
 #else
-#undef CHAR_MIN
-#define CHAR_MIN (-128)
-#undef CHAR_MAX
-#define CHAR_MAX 127
+# undef CHAR_MIN
+# define CHAR_MIN SCHAR_MIN
+# undef CHAR_MAX
+# define CHAR_MAX SCHAR_MAX
 #endif
 
 /* Minimum and maximum values a `signed short int' can hold.  */
 #undef SHRT_MIN
-#define SHRT_MIN (-32768)
+#define SHRT_MIN (-SHRT_MAX - 1)
 #undef SHRT_MAX
-#define SHRT_MAX 32767
+#define SHRT_MAX __SHRT_MAX__
 
 /* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
 #undef USHRT_MAX
-#define USHRT_MAX 65535
+#if __SHRT_MAX__ == __INT_MAX__
+# define USHRT_MAX (SHRT_MAX * 2U + 1U)
+#else
+# define USHRT_MAX (SHRT_MAX * 2 + 1)
+#endif
 
 /* Minimum and maximum values a `signed int' can hold.  */
 #undef INT_MIN
-#define INT_MIN (-INT_MAX-1)
+#define INT_MIN (-INT_MAX - 1)
 #undef INT_MAX
-#define INT_MAX 2147483647
+#define INT_MAX __INT_MAX__
 
 /* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
 #undef UINT_MAX
-#define UINT_MAX 4294967295U
+#define UINT_MAX (INT_MAX * 2U + 1U)
 
 /* Minimum and maximum values a `signed long int' can hold.
    (Same as `int').  */
 #undef LONG_MIN
-#define LONG_MIN (-LONG_MAX-1)
+#define LONG_MIN (-LONG_MAX - 1L)
 #undef LONG_MAX
-#define LONG_MAX 2147483647L
+#define LONG_MAX __LONG_MAX__
 
 /* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
 #undef ULONG_MAX
-#define ULONG_MAX 4294967295UL
+#define ULONG_MAX (LONG_MAX * 2UL + 1UL)
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+/* Minimum and maximum values a `signed long long int' can hold.  */
+# undef LLONG_MIN
+# define LLONG_MIN (-LLONG_MAX - 1LL)
+# undef LLONG_MAX
+# define LLONG_MAX __LONG_LONG_MAX__
+
+/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
+# undef ULLONG_MAX
+# define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
+#endif
+
+#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
+/* Minimum and maximum values a `signed long long int' can hold.  */
+# undef LONG_LONG_MIN
+# define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
+# undef LONG_LONG_MAX
+# define LONG_LONG_MAX __LONG_LONG_MAX__
+
+/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
+# undef ULONG_LONG_MAX
+# define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
+#endif
+
+#endif /* _LIMITS_H___ */