Feature test macros overhaul: Cygwin limits.h, part 2
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html https://sourceware.org/ml/newlib/2017/msg01133.html Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
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Yaakov Selkowitz
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@ -24,6 +24,7 @@ details. */
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#undef CHAR_BIT
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#define CHAR_BIT __CHAR_BIT__
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#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
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/* Number of bits in a `long'. */
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#undef LONG_BIT
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#define LONG_BIT (__SIZEOF_LONG__ * __CHAR_BIT__)
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@ -31,6 +32,7 @@ details. */
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/* Number of bits in a `int'. */
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#undef WORD_BIT
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#define WORD_BIT (__SIZEOF_INT__ * __CHAR_BIT__)
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#endif /* __XSI_VISIBLE || __POSIX_VISIBLE >= 200809 */
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/* Maximum length of a multibyte character. */
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#ifndef MB_LEN_MAX
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@ -118,6 +120,7 @@ details. */
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#define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
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#endif
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#if __ISO_C_VISIBLE >= 1999
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/* Minimum and maximum values a `signed long long int' can hold. */
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#undef LLONG_MIN
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#define LLONG_MIN (-LLONG_MAX-1)
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@ -127,6 +130,7 @@ details. */
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/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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#undef ULLONG_MAX
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#define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
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#endif /* __ISO_C_VISIBLE >= 1999 */
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/* Maximum size of ssize_t. Sadly, gcc doesn't give us __SSIZE_MAX__
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the way it does for __SIZE_MAX__. On the other hand, we happen to
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@ -171,9 +175,11 @@ details. */
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#undef ARG_MAX
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#define ARG_MAX 32000
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#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
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/* Maximum number of functions that may be registered with atexit(). */
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#undef ATEXIT_MAX
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#define ATEXIT_MAX 32
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#endif
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/* Maximum number of simultaneous processes per real user ID. */
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#undef CHILD_MAX
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@ -187,9 +193,11 @@ details. */
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#undef HOST_NAME_MAX
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#define HOST_NAME_MAX 255
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#if __XSI_VISIBLE
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/* Maximum number of iovcnt in a writev (an arbitrary number) */
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#undef IOV_MAX
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#define IOV_MAX 1024
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#endif
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/* Maximum number of characters in a login name. */
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#undef LOGIN_NAME_MAX
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@ -212,9 +220,11 @@ details. */
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/* Size in bytes of a page. */
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#undef PAGESIZE
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#undef PAGE_SIZE
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#define PAGESIZE 65536
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#if __XSI_VISIBLE
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#undef PAGE_SIZE
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#define PAGE_SIZE PAGESIZE
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#endif
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/* Maximum number of attempts made to destroy a thread's thread-specific
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data values on thread exit. */
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@ -381,6 +391,7 @@ details. */
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/* Runtime Increasable Values */
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#if __POSIX_VISIBLE >= 2
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/* Maximum obase values allowed by the bc utility. */
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#undef BC_BASE_MAX
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#define BC_BASE_MAX 99
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@ -428,6 +439,7 @@ details. */
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using the interval notation \{m,n\} */
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#undef RE_DUP_MAX
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#define RE_DUP_MAX 255
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#endif /* __POSIX_VISIBLE >= 2 */
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/* POSIX values */
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@ -435,6 +447,7 @@ details. */
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/* They represent the minimum values that POSIX systems must support.
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POSIX-conforming apps must not require larger values. */
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#if __POSIX_VISIBLE
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/* Maximum Values */
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#define _POSIX_CLOCKRES_MIN 20000000
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@ -478,7 +491,9 @@ details. */
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#define _POSIX_TRACE_USER_EVENT_MAX 32
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#define _POSIX_TTY_NAME_MAX 9
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#define _POSIX_TZNAME_MAX 6
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#endif /* __POSIX_VISIBLE */
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#if __POSIX_VISIBLE >= 2
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#define _POSIX2_BC_BASE_MAX 99
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#define _POSIX2_BC_DIM_MAX 2048
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#define _POSIX2_BC_SCALE_MAX 99
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@ -487,23 +502,34 @@ details. */
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#define _POSIX2_EXPR_NEST_MAX 32
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#define _POSIX2_LINE_MAX 2048
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#define _POSIX2_RE_DUP_MAX 255
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#endif /* __POSIX_VISIBLE >= 2 */
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#if __XSI_VISIBLE
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#define _XOPEN_IOV_MAX 16
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#define _XOPEN_NAME_MAX 255
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#define _XOPEN_PATH_MAX 1024
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#endif
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/* Other Invariant Values */
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#define NL_ARGMAX 9
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#if __XSI_VISIBLE
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#define NL_LANGMAX 14
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#endif
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#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
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#define NL_MSGMAX 32767
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#define NL_NMAX INT_MAX
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#define NL_SETMAX 255
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#define NL_TEXTMAX _POSIX2_LINE_MAX
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#endif
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#if __POSIX_VISIBLE < 200809
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#define NL_NMAX INT_MAX
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#endif
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#if __XSI_VISIBLE
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/* Default process priority. */
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#undef NZERO
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#define NZERO 20
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#endif
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#endif /* _MACH_MACHLIMITS_H_ */
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#endif /* _LIMITS_H___ */
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