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Detect sizeof the dosbox data types

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1771
This commit is contained in:
Sjoerd van der Berg 2004-04-20 06:53:36 +00:00
parent 67253f9e9b
commit c1a88974e0
4 changed files with 66 additions and 21 deletions
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47
acinclude.m4
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@ -305,7 +305,7 @@ AC_SUBST(ALSA_LIBS)
AH_TOP([
/*
* Copyright (C) 2002-2003 The DOSBox Team
* Copyright (C) 2002-2004 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -331,4 +331,49 @@ AH_BOTTOM([#if C_HAS_ATTRIBUTE
#define GCC_ATTRIBUTE(x) /* attribute not supported */
#endif])
AH_BOTTOM([
typedef double Real64;
#if SIZEOF_UNSIGNED_CHAR != 1
# error "sizeof (unsigned char) != 1"
#else
typedef unsigned char Bit8u;
typedef signed char Bit8s;
#endif
#if SIZEOF_UNSIGNED_SHORT != 2
# error "sizeof (unsigned short) != 2"
#else
typedef unsigned short Bit16u;
typedef signed short Bit16s;
#endif
#if SIZEOF_UNSIGNED_INT == 4
typedef unsigned int Bit32u;
typedef signed int Bit32s;
#elif SIZEOF_UNSIGNED_LONG == 4
typedef unsigned long Bit32u;
typedef signed long Bit32s;
#else
# error "can't find sizeof(type) of 4 bytes!"
#endif
#if SIZEOF_UNSIGNED_LONG == 8
typedef unsigned long Bit64u;
typedef signed long Bit64s;
#elif SIZEOF_UNSIGNED_LONG_LONG == 8
typedef unsigned long long Bit64u;
typedef signed long long Bit64s;
#else
# error "can't find data type of 8 bytes"
#endif
#if SIZEOF_INT_P == 4
typedef Bit32u Bitu;
typedef Bit32s Bits;
#else
typedef Bit64u Bitu;
typedef Bit64s Bits;
#endif
])