113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (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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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// osdep.h
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//
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// requires Bit32u/Bit64u from config.h, size_t from stdio.h
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//
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// Operating system dependent includes and defines for Bochs. These
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// declarations can be included by C or C++., but they require definition of
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// size_t beforehand. This makes it difficult to place them into either
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// config.h or bochs.h. If in config.h, size_t is not always available yet.
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// If in bochs.h, they can't be included by C programs so they lose.
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//
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#ifndef BX_OSDEP_H
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#define BX_OSDEP_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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//////////////////////////////////////////////////////////////////////
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// Hacks for win32, but exclude MINGW32 because it doesn't need them.
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//////////////////////////////////////////////////////////////////////
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#ifdef WIN32
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#ifndef __MINGW32__
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// always return regular file.
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# define S_ISREG(st_mode) 1
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# define S_ISCHR(st_mode) 0
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// VCPP includes also are missing these
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# define off_t long
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# define ssize_t int
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// win32 has snprintf though with different name.
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#define snprintf _snprintf
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#endif /* ifnndef __MINGW32__ */
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#endif /* WIN32 */
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//////////////////////////////////////////////////////////////////////
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// Missing library functions.
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// These should work on any platform that needs them.
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//
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// A missing library function is renamed to a bx_* function, so that when
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// debugging and linking there's no confusion over which version is used.
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// Because of renaming, the bx_* replacement functions can be tested on
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// machines which have the real library function without duplicate symbols.
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//
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// If you're considering implementing a missing library function, note
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// that it might be cleaner to conditionally disable the function call!
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//////////////////////////////////////////////////////////////////////
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#if !BX_HAVE_SNPRINTF
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#define snprintf bx_snprintf
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extern int bx_snprintf (char *s, size_t maxlen, const char *format, ...);
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#endif
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#if BX_HAVE_STRTOULL
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// great, just use the usual function
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#elif BX_HAVE_STRTOUQ
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// they have strtouq and not strtoull
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#define strtoull strtouq
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#else
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#define strtoull bx_strtoull
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extern Bit64u bx_strtoull (const char *nptr, char **endptr, int baseignore);
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#endif
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#if !BX_HAVE_STRDUP
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#define strdup bx_strdup
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extern char *bx_strdup(const char *str);
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#endif
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//////////////////////////////////////////////////////////////////////
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// Missing library functions, implemented for MacOS only
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//////////////////////////////////////////////////////////////////////
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#if BX_WITH_MACOS
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// fd_read and fd_write are called by floppy.cc to access the Mac
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// floppy drive directly, since the MacOS doesn't have "special"
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// pathnames which map directly to IO devices
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int fd_read(char *buffer, Bit32u offset, Bit32u bytes);
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int fd_write(char *buffer, Bit32u offset, Bit32u bytes);
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int fd_stat(struct stat *buf);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* ifdef BX_OSDEP_H */
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