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/*
* Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR
* 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.
*
*/
/* Check various types for their respective length, and for Endianness */
#include <stdio.h>
#define CHECK_TYPE(a,b) \
if (!have_UINT##a && (sizeof (b) == a)) \
{ \
have_UINT##a = 1; \
puts (" #define UINT" #a " " #b); \
}
#define CHECK_ENDIAN(TYPE) \
if (!have_endian && sizeof (TYPE) == 2) \
{ \
TYPE end_test = (TYPE) 0x1234; \
ep = (char *) &end_test; \
have_endian = 1; \
if (*ep == 0x34) \
puts (" #define M_LITTLE_ENDIAN"); \
else \
puts (" #define M_BIG_ENDIAN"); \
}
int main (int argc, char *argv[])
{
short have_UINT2 = 0;
short have_UINT4 = 0;
short have_endian = 0;
char *ep;
puts ("/* This is a generated file. Don't edit! */");
puts ("#ifndef _TYPES_H");
puts (" #define _TYPES_H");
CHECK_TYPE (2, unsigned short int)
CHECK_TYPE (2, unsigned int)
CHECK_TYPE (4, unsigned short int)
CHECK_TYPE (4, unsigned int)
CHECK_TYPE (4, unsigned long int)
CHECK_ENDIAN (unsigned short int)
CHECK_ENDIAN (unsigned int)
puts ("#endif");
if (!have_UINT2 || !have_UINT4)
{
fputs ("Can't determine integer types. Please edit " __FILE__ ",\n", stderr);
fputs ("and submit a patch to <mutt-dev@mutt.org>\n", stderr);
return 1;
}
return 0;
}
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