#ifndef _LIMITS_H
#define _LIMITS_H
+#include <features.h>
+
/* Most limits are system-specific */
#include <bits/limits.h>
+/* Support signed or unsigned plain-char */
+
+#if '\0'-1 > 0
+#define CHAR_MIN 0
+#define CHAR_MAX 255
+#else
+#define CHAR_MIN (-128)
+#define CHAR_MAX 127
+#endif
+
/* Some universal constants... */
#define CHAR_BIT 8
#define SCHAR_MIN (-128)
#define SCHAR_MAX 127
#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)
-
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_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
/* Implementation choices... */
-#define PTHREAD_KEYS_MAX 1024
-#define PTHREAD_STACK_MIN PAGE_SIZE
+#define PTHREAD_KEYS_MAX 128
+#define PTHREAD_STACK_MIN 2048
#define PTHREAD_DESTRUCTOR_ITERATIONS 4
#define SEM_VALUE_MAX 0x7fffffff
+#define SEM_NSEMS_MAX 256
+#define DELAYTIMER_MAX 0x7fffffff
+#define MQ_PRIO_MAX 32768
+#define LOGIN_NAME_MAX 256
/* Arbitrary numbers... */