base
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biosvos
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/*
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* Copyright (C) 2005 Jonathan Day, Nikos Mavroyanopoulos
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#if !defined(__MUTILS_H)
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#define __MUTILS_H
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#include <mutils/mincludes.h>
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#if defined(const)
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#define __const const
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#endif
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/*
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* The vast majority of user code won't care about mutils, so changes to
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* this helper library API should not result in a change to the MHASH API
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* version number.
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*/
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#define MUTILS_API 20060624
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/* FIXME: We're assuming we've a standard integer types header and that it has been included
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* correctly.
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*/
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#define MUTILS_STANDARD_TYPES 1
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#if defined(MUTILS_STANDARD_TYPES)
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#define TIGER_64BIT
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#define mutils_word64 uint64_t
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#define mutils_word32 uint32_t
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#define mutils_word16 uint16_t
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#define mutils_word8 uint8_t
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#else /* Ok, we don't have the standard integer type definitions */
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#if SIZEOF_UNSIGNED_LONG_INT == 8
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typedef unsigned long int mutils_word64;
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#define TIGER_64BIT
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#elif SIZEOF_UNSIGNED_LONG_LONG_INT == 8
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typedef unsigned long long int mutils_word64;
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#else
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#error "Cannot find a 64 bit integer in your system, sorry."
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#endif
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#if SIZEOF_UNSIGNED_LONG_INT == 4
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typedef unsigned long int mutils_word32;
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#elif SIZEOF_UNSIGNED_INT == 4
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typedef unsigned int mutils_word32;
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#else
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#error "Cannot find a 32 bit integer in your system, sorry."
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#endif
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#if SIZEOF_UNSIGNED_INT == 2
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typedef unsigned int mutils_word16;
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#elif SIZEOF_UNSIGNED_SHORT_INT == 2
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typedef unsigned short int mutils_word16;
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#else
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#error "Cannot find a 16 bit integer in your system, sorry."
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#endif
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#if SIZEOF_UNSIGNED_CHAR == 1
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typedef unsigned char mutils_word8;
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#else
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#error "Cannot find an 8 bit char in your system, sorry."
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#endif
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#endif /* End of standard integer type declarationsd */
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/*
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* Due to buggy implementations of the boolean headers in some systems,
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* we have to detect the boolean values seperately from the boolean type.
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* A big thank you to Heiko Lehmann for spotting the bug. Unfortunately,
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* this fix may not be enough, as it is only going to work on things the
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* precompiler knows about.
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*
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* Why go to all this trouble over something that should have a standard
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* value anyway? Because.
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*/
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#if defined(HAVE__BOOL)
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#define mutils_boolean _Bool
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#else
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typedef char mutils_boolean;
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#endif
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#if defined(false)
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#define MUTILS_FALSE (mutils_boolean) false
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#else
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#if defined(FALSE)
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#define MUTILS_FALSE (mutils_boolean) FALSE
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#else
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#define MUTILS_FALSE (mutils_boolean) 0
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#endif /* FALSE */
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#endif /* false */
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#if defined(true)
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#define MUTILS_TRUE (mutils_boolean) true
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#else
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#if defined(TRUE)
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#define MUTILS_TRUE (mutils_boolean) TRUE
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#else
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#define MUTILS_TRUE (mutils_boolean) -1
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#endif /* TRUE */
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#endif /* true */
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/*
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* Other than OK, the only defined values should be for a category of error.
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* Even then, the values shouldn't be assumed. Their only function is to
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* make it easy to programmatically identify the nature of the error and to
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* ensure a library upgrade won't break existing binaries, should new error
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* codes be introduced.
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*/
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typedef enum __mutils_error_codes
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{
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MUTILS_OK = 0,
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MUTILS_SYSTEM_ERROR = 0x100,
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MUTILS_UNSPECIFIED_ERROR,
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MUTILS_SYSTEM_RESOURCE_ERROR,
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MUTILS_PARAMETER_ERROR = 0x200,
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MUTILS_INVALID_FUNCTION,
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MUTILS_INVALID_INPUT_BUFFER,
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MUTILS_INVALID_OUTPUT_BUFFER,
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MUTILS_INVALID_PASSES,
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MUTILS_INVALID_FORMAT,
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MUTILS_INVALID_SIZE,
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MUTILS_INVALID_RESULT
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} mutils_error_codes;
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#define mutils_error mutils_word32
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#include <mutils/mglobal.h>
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/*
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* Some useful, generic endian macros.
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*/
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#define mutils_swapendian64(x) \
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((mutils_word64) \
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(((x) & 0xff00000000000000ull) >> 56) | \
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(((x) & 0x00ff000000000000ull) >> 40) | \
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(((x) & 0x0000ff0000000000ull) >> 24) | \
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(((x) & 0x000000ff00000000ull) >> 8) | \
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(((x) & 0x00000000ff000000ull) << 8) | \
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(((x) & 0x0000000000ff0000ull) << 24) | \
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(((x) & 0x000000000000ff00ull) << 40) | \
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(((x) & 0x00000000000000ffull) << 56))
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#define mutils_swapendian32(a) \
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((mutils_word32) \
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(((a & (mutils_word32) 0x000000ffU) << 24) | \
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((a & (mutils_word32) 0x0000ff00U) << 8) | \
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((a & (mutils_word32) 0x00ff0000U) >> 8) | \
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((a & (mutils_word32) 0xff000000U) >> 24)) \
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)
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#define mutils_swapendian16(a) \
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((mutils_word16) \
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(((a & (mutils_word16) 0x00ffU) << 8) | \
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((a & (mutils_word16) 0xff00U) >> 8)) \
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)
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/* Change the endianness of the data if (and only if) the data type we want
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* is the opposite from the native endianness. This allows us to have some
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* reasonably generic macros, provided we always start from the native
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* ordering.
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*/
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#if defined(WORDS_BIGENDIAN)
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#define mutils_lend64(n) mutils_swapendian64(n)
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#define mutils_lend32(n) mutils_swapendian32(n)
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#define mutils_lend16(n) mutils_swapendian16(n)
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#define mutils_bend64(n) n
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#define mutils_bend32(n) n
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#define mutils_bend16(n) n
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#define mutils_lend2sys64(n) mutils_swapendian64(n)
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#define mutils_lend2sys32(n) mutils_swapendian32(n)
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#define mutils_lend2sys16(n) mutils_swapendian16(n)
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#define mutils_bend2sys32(n) n
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#define mutils_bend2sys16(n) n
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#else
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#define mutils_lend64(n) n
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#define mutils_lend32(n) n
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#define mutils_lend16(n) n
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#define mutils_bend64(n) mutils_swapendian64(n)
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#define mutils_bend32(n) mutils_swapendian32(n)
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#define mutils_bend16(n) mutils_swapendian16(n)
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#define mutils_lend2sys64(n) n
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#define mutils_lend2sys32(n) n
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#define mutils_lend2sys16(n) n
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#define mutils_bend2sys64(n) mutils_swapendian64(n)
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#define mutils_bend2sys32(n) mutils_swapendian32(n)
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#define mutils_bend2sys16(n) mutils_swapendian16(n)
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#endif
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int mutils_mlock(__const void *addr, __const mutils_word32 len);
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int mutils_munlock(__const void *addr, __const mutils_word32 len);
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void *mutils_malloc(__const mutils_word32 n);
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void *mutils_realloc(__const void *ptr, __const mutils_word32 n);
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void mutils_free(__const void *ptr);
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void mutils_bzero(void *s, __const mutils_word32 n);
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void mutils_memset(void *dest, __const mutils_word8 c, __const mutils_word32 n);
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void mutils_memcpy(void *dest, __const void *src, __const mutils_word32 n);
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void mutils_memmove(void *dest, __const void *src, __const mutils_word32 n);
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int mutils_memcmp(__const void *s1, __const void *s2, __const mutils_word32 n);
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mutils_word32 mutils_strlen(__const mutils_word8 *str);
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mutils_word8 *mutils_strdup(__const mutils_word8 *str);
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mutils_word8 *mutils_strcat(mutils_word8 *dest, __const mutils_word8 *src);
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mutils_word8 *mutils_strcpy(mutils_word8 *dest, __const mutils_word8 *src);
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mutils_word8 *mutils_strncpy(mutils_word8 *dest, __const mutils_word8 *src, __const mutils_word32 n);
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int mutils_strcmp(__const mutils_word8 *src1, __const mutils_word8 *src2);
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int mutils_strncmp(__const mutils_word8 *src1, __const mutils_word8 *src2, __const mutils_word32 n);
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long mutils_strtol(__const mutils_word8 *nptr, mutils_word8 **endptr, __const mutils_word8 base);
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mutils_word32 mutils_word32swap(mutils_word32 x);
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mutils_word32 *mutils_word32nswap(mutils_word32 *x, mutils_word32 n, mutils_boolean destructive);
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mutils_word8 *mutils_asciify(mutils_word8 *in, __const mutils_word32 len);
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mutils_boolean mutils_thequals(mutils_word8 *text, mutils_word8 *hash, __const mutils_word32 len);
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#endif /* __MUTILS_H */
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