From: "Mark E." <snowball3 AT bigfoot DOT com>
To: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>, djgpp-workers AT delorie DOT com
Date: Thu, 20 Jul 2000 11:18:49 -0400
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Subject: Re: GCC headers
Message-ID: <3976E019.32763.16018F@localhost>
References: <3976DBEE DOT 12682 DOT 5B711 AT localhost>
In-reply-to: <Pine.SUN.3.91.1000720180359.27636D-100000@is>
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Reply-To: djgpp-workers AT delorie DOT com

> I'm confused (so what else is new? ;-).  Didn't you just say that
> limits.h is fixinclude'd, and that we shouldn't worry about it?

The answer is... it depends.

> 
> Coulds someone please post the contents of limits.h that GCC wants to 
> install?  (If I can get GCC's limits.h by anon CVS, just tell me how,
> so I could stop bothering you-all.)  Thanks in advance.
> 

Here it is:
/* This administrivia gets added to the beginning of limits.h
   if the system has its own version of limits.h.  */

/* We use _GCC_LIMITS_H_ because we want this not to match
   any macros that the system's limits.h uses for its own purposes.  */
#ifndef _GCC_LIMITS_H_  /* Terminated in limity.h.  */
#define _GCC_LIMITS_H_

#ifndef _LIBC_LIMITS_H_
/* Use "..." so that we find syslimits.h only in this same directory.  */
#include "syslimits.h"
#endif
#ifndef _LIMITS_H___
#ifndef _MACH_MACHLIMITS_H_

/* _MACH_MACHLIMITS_H_ is used on OSF/1.  */
#define _LIMITS_H___
#define _MACH_MACHLIMITS_H_

/* Number of bits in a `char'.  */
#undef CHAR_BIT
#define CHAR_BIT 8

/* 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)
#undef SCHAR_MAX
#define SCHAR_MAX 127

/* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
#undef UCHAR_MAX
#define UCHAR_MAX 255

/* 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
#else
#undef CHAR_MIN
#define CHAR_MIN (-128)
#undef CHAR_MAX
#define CHAR_MAX 127
#endif

/* Minimum and maximum values a `signed short int' can hold.  */
#undef SHRT_MIN
/* For the sake of 16 bit hosts, we may not use -32768 */
#define SHRT_MIN (-32767-1)
#undef SHRT_MAX
#define SHRT_MAX 32767

/* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
#undef USHRT_MAX
#define USHRT_MAX 65535

/* Minimum and maximum values a `signed int' can hold.  */
#ifndef __INT_MAX__
#define __INT_MAX__ 2147483647
#endif
#undef INT_MIN
#define INT_MIN (-INT_MAX-1)
#undef INT_MAX
#define INT_MAX __INT_MAX__

/* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
#undef UINT_MAX
#define UINT_MAX (INT_MAX * 2U + 1)

/* Minimum and maximum values a `signed long int' can hold.
   (Same as `int').  */
#ifndef __LONG_MAX__
#if defined (__alpha__) || (defined (_ARCH_PPC) && defined (__64BIT__)) || 
(defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
#define __LONG_MAX__ 9223372036854775807L
#else
#define __LONG_MAX__ 2147483647L
#endif /* __alpha__ || sparc64 */
#endif
#undef LONG_MIN
#define LONG_MIN (-LONG_MAX-1)
#undef LONG_MAX
#define LONG_MAX __LONG_MAX__

/* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
#undef ULONG_MAX
#define ULONG_MAX (LONG_MAX * 2UL + 1)

#ifndef __LONG_LONG_MAX__
#define __LONG_LONG_MAX__ 9223372036854775807LL
#endif

#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-1)
#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 + 1)
#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-1)
#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 + 1)
#endif

#endif /* _MACH_MACHLIMITS_H_ */
#endif /* _LIMITS_H___ */
/* This administrivia gets added to the end of limits.h
   if the system has its own version of limits.h.  */

#else /* not _GCC_LIMITS_H_ */

#ifdef _GCC_NEXT_LIMITS_H
 #include_next <limits.h>		/* recurse down to the real one */
#endif

#endif /* not _GCC_LIMITS_H_ */