move all limits that don't vary out of bits/limits.h, into main limits.h

arch/i386/bits/limits.h

@@ -1,33 +1,8 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
-#define PIPE_BUF 4096
-#define PAGESIZE 4096
-#define PAGE_SIZE PAGESIZE
-#define FILESIZEBITS 64
-#define NAME_MAX 255
-#define SYMLINK_MAX 255
-#define PATH_MAX 4096
-#define NZERO 20
-#define NGROUPS_MAX 32
-#define ARG_MAX 131072
-#define IOV_MAX 1024
-#define SYMLOOP_MAX 40
-#define WORD_BIT 32
+#define PAGE_SIZE 4096
 #define LONG_BIT 32
 #endif
 
-#define SHRT_MIN  (-1-0x7fff)
-#define SHRT_MAX  0x7fff
-#define USHRT_MAX 0xffff
-
-#define INT_MIN  (-1-0x7fffffff)
-#define INT_MAX  0x7fffffff
-#define UINT_MAX 0xffffffffU
-
-#define LONG_MIN  (-1-0x7fffffffL)
 #define LONG_MAX  0x7fffffffL
-#define ULONG_MAX 0xffffffffUL
-
-#define LLONG_MIN  (-1-0x7fffffffffffffffLL)
 #define LLONG_MAX  0x7fffffffffffffffLL
-#define ULLONG_MAX 0xffffffffffffffffULL

arch/x86_64/bits/limits.h

@@ -1,34 +1,8 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
-#define PIPE_BUF 4096
-#define PAGESIZE 4096
-#define PAGE_SIZE PAGESIZE
-#define FILESIZEBITS 64
-#define NAME_MAX 255
-#define SYMLINK_MAX 255
-#define PATH_MAX 4096
-#define NZERO 20
-#define NGROUPS_MAX 32
-#define ARG_MAX 131072
-#define IOV_MAX 1024
-#define SYMLOOP_MAX 40
-#define WORD_BIT 64
+#define PAGE_SIZE 4096
 #define LONG_BIT 64
 #endif
 
-#define SHRT_MIN  (-1-0x7fff)
-#define SHRT_MAX  0x7fff
-#define USHRT_MAX 0xffff
-
-#define INT_MIN  (-1-0x7fffffff)
-#define INT_MAX  0x7fffffff
-#define UINT_MAX 0xffffffffU
-
-#define LONG_MIN  (-1-0x7fffffffffffffffL)
 #define LONG_MAX  0x7fffffffffffffffL
-#define ULONG_MAX 0xffffffffffffffffUL
-
-#define LLONG_MIN  (-1-0x7fffffffffffffffLL)
 #define LLONG_MAX  0x7fffffffffffffffLL
-#define ULLONG_MAX 0xffffffffffffffffULL
-

include/limits.h

@@ -13,12 +13,34 @@
 #define UCHAR_MAX 255
 #define CHAR_MIN (-128)
 #define CHAR_MAX 127
+#define SHRT_MIN  (-1-0x7fff)
+#define SHRT_MAX  0x7fff
+#define USHRT_MAX 0xffff
+#define INT_MIN  (-1-0x7fffffff)
+#define INT_MAX  0x7fffffff
+#define UINT_MAX 0xffffffffU
+#define LONG_MIN (-LONG_MAX-1)
+#define ULONG_MAX (2UL*LONG_MAX+1)
+#define LLONG_MIN (-LLONG_MAX-1)
+#define ULLONG_MAX (2ULL*LLONG_MAX+1)
 
 #define MB_LEN_MAX 4
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
 
+#define PIPE_BUF 4096
+#define PAGESIZE PAGE_SIZE
+#define FILESIZEBITS 64
+#define NAME_MAX 255
+#define SYMLINK_MAX 255
+#define PATH_MAX 4096
+#define NZERO 20
+#define NGROUPS_MAX 32
+#define ARG_MAX 131072
+#define IOV_MAX 1024
+#define SYMLOOP_MAX 40
+#define WORD_BIT 32
 #define SSIZE_MAX LONG_MAX
 #define TZNAME_MAX 6
 #define TTY_NAME_MAX 20