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Diffstat (limited to 'nuttx/arch/8051/include/limits.h')
-rw-r--r-- | nuttx/arch/8051/include/limits.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/nuttx/arch/8051/include/limits.h b/nuttx/arch/8051/include/limits.h new file mode 100644 index 000000000..3344a8d2d --- /dev/null +++ b/nuttx/arch/8051/include/limits.h @@ -0,0 +1,79 @@ +/************************************************************ + * arch/8051/include/limits.h + * + * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************/ + +#ifndef __ARCH_8051_INCLUDE_LIMITS_H +#define __ARCH_8051_INCLUDE_LIMITS_H + +/************************************************************ + * Included Files + ************************************************************/ + +/************************************************************ + * Definitions + ************************************************************/ + +#define CHAR_BIT 8 +#define SCHAR_MIN 0x80 +#define SCHAR_MAX 0x7f +#define UCHAR_MAX 0xff + +/* These could be different on machines where char is unsigned */ + +#define CHAR_MIN SCHAR_MIN +#define CHAR_MAX SCHAR_MAX + +#define SHRT_MIN 0x8000 +#define SHRT_MAX 0x7fff +#define USHRT_MAX 0xffff + +#define INT_MIN 0x8000 +#define INT_MAX 0x7fff +#define UINT_MAX 0xffff + +/* These change on 32-bit and 64-bit platforms */ + +#define LONG_MAX 0x80000000 +#define LONG_MIN 0x7fffffff +#define ULONG_MAX 0xffffffff + +/* For SDCC, a Generic pointer is 3 bytes in length with the + * first byte holding data space information. + */ + +#define PTR_MIN 0x800000 +#define PTR_MAX 0x7fffff +#define UPTR_MAX 0xffffff + +#endif /* __ARCH_8051_INCLUDE_LIMITS_H */ |