pelya
550 lines
14 KiB
C
550 lines
14 KiB
C
#ifndef _PORT_H
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#define _PORT_H
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#include "config.h"
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#ifdef __MINGW32__
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// Microsoft Windows headers expect this to be set. The MSVC compiler sets
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// it, but MinGW doesn't.
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# if defined(_X86_)
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# define _M_IX86
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# elif defined(_IA64_)
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# define _M_IA64
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# elif defined(__amd64__)
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# define _M_AMD64
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# define _M_X64
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# elif defined(__m68k__)
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# define _68K_
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# elif defined(__ppc__)
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# define _M_PPC
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# endif
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#endif
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// Compilation related
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#ifdef _MSC_VER
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# define inline __inline
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#elif defined(__SYMBIAN32__)
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#else
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# define inline __inline__
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# ifdef __MINGW32__
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// For when including Microsoft Windows header files.
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# define _inline inline
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# endif
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#endif
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// Compilation warnings:
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#ifdef _MSC_VER
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// UQM uses a lot of functions that can be used unsafely, but it uses them
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// in a safe way. The warnings about these functions however may drown out
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// serious warnings, so we turn them off.
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# define _CRT_SECURE_NO_DEPRECATE
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// Escalate some warnings we consider important
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// "'operator' : 'identifier1' indirection to slightly different base
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// types from 'identifier2'
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# pragma warning( 3 : 4057 )
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// "unreferenced formal parameter"
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# pragma warning( 3 : 4100 )
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// "'function' : unreferenced local function has been removed"
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# pragma warning( 3 : 4505 )
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// "local variable 'name' may be used without having been initialized"
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# pragma warning( 3 : 4701 )
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// Downgrade some warnings we consider unimportant
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// "'operator' conversion from 'type1' to 'type2', possible loss of data"
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# pragma warning( 4 : 4244)
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#endif
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#ifdef _MSC_VER
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# include <io.h>
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#else
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# include <unistd.h>
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#endif
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// Using "HAVE_STRCASECMP_UQM" instead of "HAVE_STRCASECMP" as the latter
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// conflicts with SDL.
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#if !defined(HAVE_STRICMP) && !defined(HAVE_STRCASECMP_UQM)
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# error Neither stricmp() nor strcasecmp() is available.
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#elif !defined(HAVE_STRICMP)
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# define stricmp strcasecmp
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#elif !defined(HAVE_STRCASECMP_UQM)
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# define strcasecmp stricmp
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#else
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// We should take care not to define anything if both strcasecmp() and
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// stricmp() are defined, as one might exist as a macro to the other.
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#endif
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#ifndef HAVE_STRUPR
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char *strupr (char *str);
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#endif
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#if !defined (_MSC_VER) && !defined (HAVE_READDIR_R)
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# include <dirent.h>
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int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result);
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#endif
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// Directories
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#ifdef WIN32
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# include <stdlib.h>
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# define PATH_MAX _MAX_PATH
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# define NAME_MAX _MAX_FNAME
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// _MAX_DIR and FILENAME_MAX could also be candidates.
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// If anyone can tell me which one matches NAME_MAX, please
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// let me know. - SvdB
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#elif defined(_WIN32_WCE)
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# include <sys/syslimits.h>
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#else
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# include <limits.h>
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/* PATH_MAX is per POSIX defined in <limits.h>, but:
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* "A definition of one of the values from Table 2.6 shall bea
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* omitted from <limits.h> on specific implementations where the
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* corresponding value is equal to or greater than the
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* stated minimum, but where the value can vary depending
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* on the file to which it is applied. The actual value supported
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* for a specific pathname shall be provided by the pathconf()
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* function."
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* _POSIX_NAME_MAX will provide a minimum (14).
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* This is relevant (at least) for Solaris.
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*/
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# ifndef NAME_MAX
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# define NAME_MAX _POSIX_NAME_MAX
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# endif
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#endif
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// Some types
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#ifdef _MSC_VER
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typedef int ssize_t;
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typedef unsigned short mode_t;
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#endif
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// Directories
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#include <sys/stat.h>
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#ifdef _MSC_VER
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# define MKDIR(name, mode) ((void) mode, _mkdir(name))
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#elif defined(__MINGW32__)
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# define MKDIR(name, mode) ((void) mode, mkdir(name))
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#else
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# define MKDIR mkdir
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#endif
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#ifdef _MSC_VER
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# include <direct.h>
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# define chdir _chdir
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# define getcwd _getcwd
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# define access _access
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# define F_OK 0
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# define W_OK 2
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# define R_OK 4
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# define open _open
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# define read _read
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//# define fstat _fstat
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# define write _write
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//# define stat _stat
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# define unlink _unlink
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#endif
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// Memory
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#ifdef WIN32
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# ifdef __MINGW32__
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# include <malloc.h>
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# elif defined (_MSC_VER)
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# define alloca _alloca
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# endif
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#elif defined(__linux__) || defined(__svr4__)
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# include <alloca.h>
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#endif
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// String formatting
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#ifdef _MSC_VER
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# include <stdarg.h>
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// Defined in port.c
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int snprintf(char *str, size_t size, const char *format, ...);
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int vsnprintf(char *str, size_t size, const char *format, va_list args);
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#endif /* _MSC_VER */
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// setenv()
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#ifndef HAVE_SETENV
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int setenv (const char *name, const char *value, int overwrite);
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#endif
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#ifndef HAVE_WCHAR_T
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typedef unsigned short wchar_t;
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#endif
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#ifndef HAVE_WINT_T
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typedef unsigned int wint_t;
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#endif
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#if defined (_MSC_VER) || defined(__MINGW32__)
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# define USE_WINSOCK
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#endif
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// errno error numbers. The values used don't matter, as long as they
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// don't conflict with existing errno error numbers.
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#ifdef PORT_WANT_ERRNO
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# ifdef USE_WINSOCK
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# include <errno.h>
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# ifndef E2BIG
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# define E2BIG 0x01000001
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# endif
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# ifndef EACCES
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# define EACCES 0x01000002
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# endif
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# ifndef EADDRINUSE
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# define EADDRINUSE 0x01000003
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# endif
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# ifndef EADDRNOTAVAIL
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# define EADDRNOTAVAIL 0x01000004
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# endif
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# ifndef EAFNOSUPPORT
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# define EAFNOSUPPORT 0x01000005
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# endif
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# ifndef EAGAIN
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# ifdef EWOULDBLOCK
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# define EAGAIN EWOULDBLOCK
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# else
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# define EAGAIN 0x01000006
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# endif
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# endif
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# ifndef EALREADY
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# define EALREADY 0x01000007
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# endif
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# ifndef EBADF
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# define EBADF 0x01000008
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# endif
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# ifndef EBADMSG
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# define EBADMSG 0x01000009
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# endif
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# ifndef EBUSY
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# define EBUSY 0x0100000a
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# endif
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# ifndef ECANCELED
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# define ECANCELED 0x0100000b
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# endif
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# ifndef ECHILD
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# define ECHILD 0x0100000c
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# endif
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# ifndef ECONNABORTED
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# define ECONNABORTED 0x0100000d
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# endif
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# ifndef ECONNREFUSED
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# define ECONNREFUSED 0x0100000e
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# endif
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# ifndef ECONNRESET
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# define ECONNRESET 0x0100000f
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# endif
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# ifndef EDEADLK
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# define EDEADLK 0x01000010
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# endif
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# ifndef EDESTADDRREQ
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# define EDESTADDRREQ 0x01000011
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# endif
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# ifndef EDOM
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# define EDOM 0x01000012
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# endif
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// Reserved in POSIX
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//# ifndef //EDQUOT
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//# define //EDQUOT 0x01000013
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//# endif
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# ifndef EEXIST
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# define EEXIST 0x01000014
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# endif
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# ifndef EFAULT
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# define EFAULT 0x01000015
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# endif
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# ifndef EFBIG
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# define EFBIG 0x01000016
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# endif
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# ifndef EHOSTUNREACH
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# define EHOSTUNREACH 0x01000017
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# endif
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# ifndef EIDRM
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# define EIDRM 0x01000018
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# endif
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# ifndef EILSEQ
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# define EILSEQ 0x01000019
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# endif
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# ifndef EINPROGRESS
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# define EINPROGRESS 0x0100001a
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# endif
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# ifndef EINTR
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# define EINTR 0x0100001b
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# endif
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# ifndef EINVAL
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# define EINVAL 0x0100001c
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# endif
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# ifndef EIO
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# define EIO 0x0100001d
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# endif
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# ifndef EISCONN
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# define EISCONN 0x0100001e
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# endif
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# ifndef EISDIR
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# define EISDIR 0x0100001f
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# endif
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# ifndef ELOOP
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# define ELOOP 0x01000020
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# endif
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# ifndef EMFILE
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# define EMFILE 0x01000021
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# endif
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# ifndef EMLINK
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# define EMLINK 0x01000022
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# endif
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# ifndef EMSGSIZE
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# define EMSGSIZE 0x01000023
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# endif
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// Reserved in POSIX
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//# ifndef //EMULTIHOP
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//# define //EMULTIHOP 0x01000024
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//# endif
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# ifndef ENAMETOOLONG
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# define ENAMETOOLONG 0x01000025
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# endif
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# ifndef ENETDOWN
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# define ENETDOWN 0x01000026
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# endif
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# ifndef ENETRESET
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# define ENETRESET 0x01000027
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# endif
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# ifndef ENETUNREACH
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# define ENETUNREACH 0x01000028
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# endif
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# ifndef ENFILE
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# define ENFILE 0x01000029
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# endif
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# ifndef ENOBUFS
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# define ENOBUFS 0x0100002a
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# endif
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# ifndef ENODATA
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# define ENODATA 0x0100002b
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# endif
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# ifndef ENODEV
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# define ENODEV 0x0100002c
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# endif
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# ifndef ENOENT
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# define ENOENT 0x0100002d
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# endif
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# ifndef ENOEXEC
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# define ENOEXEC 0x0100002e
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# endif
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# ifndef ENOLCK
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# define ENOLCK 0x0100002f
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# endif
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// Reserved in POSIX
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//# ifndef ENOLINK
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//# define ENOLINK 0x01000030
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//# endif
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# ifndef ENOMEM
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# define ENOMEM 0x01000031
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# endif
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# ifndef ENOMSG
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# define ENOMSG 0x01000032
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# endif
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# ifndef ENOPROTOOPT
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# define ENOPROTOOPT 0x01000033
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# endif
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# ifndef ENOSPC
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# define ENOSPC 0x01000034
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# endif
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# ifndef ENOSR
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# define ENOSR 0x01000035
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# endif
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# ifndef ENOSTR
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# define ENOSTR 0x01000036
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# endif
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# ifndef ENOSYS
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# define ENOSYS 0x01000037
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# endif
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# ifndef ENOTCONN
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# define ENOTCONN 0x01000038
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# endif
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# ifndef ENOTDIR
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# define ENOTDIR 0x01000039
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# endif
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# ifndef ENOTEMPTY
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# define ENOTEMPTY 0x0100003a
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# endif
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# ifndef ENOTSOCK
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# define ENOTSOCK 0x0100003b
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# endif
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# ifndef ENOTSUP
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# define ENOTSUP 0x0100003c
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# endif
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# ifndef ENOTTY
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# define ENOTTY 0x0100003d
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# endif
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# ifndef ENXIO
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# define ENXIO 0x0100003e
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# endif
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# ifndef EOPNOTSUPP
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# define EOPNOTSUPP 0x0100003f
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# endif
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# ifndef EOVERFLOW
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# define EOVERFLOW 0x01000040
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# endif
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# ifndef EPERM
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# define EPERM 0x01000041
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# endif
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# ifndef EPIPE
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# define EPIPE 0x01000042
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# endif
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# ifndef EPROTO
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# define EPROTO 0x01000043
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# endif
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# ifndef EPROTONOSUPPORT
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# define EPROTONOSUPPORT 0x01000044
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# endif
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# ifndef EPROTOTYPE
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# define EPROTOTYPE 0x01000045
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# endif
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# ifndef ERANGE
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# define ERANGE 0x01000046
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# endif
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# ifndef EROFS
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# define EROFS 0x01000047
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# endif
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# ifndef ESPIPE
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# define ESPIPE 0x01000048
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# endif
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# ifndef ESRCH
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# define ESRCH 0x01000049
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# endif
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// Reserved in POSIX
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//# ifndef //ESTALE
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//# define //ESTALE 0x0100004a
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//# endif
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# ifndef ETIME
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# define ETIME 0x0100004b
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# endif
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# ifndef ETIMEDOUT
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# define ETIMEDOUT 0x0100004c
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# endif
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# ifndef ETXTBSY
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# define ETXTBSY 0x0100004d
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# endif
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# ifndef EWOULDBLOCK
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# ifdef EAGAIN
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# define EWOULDBLOCK EAGAIN
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# else
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# define EWOULDBLOCK 0x0100004e
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# endif
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# endif
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# ifndef EXDEV
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# define EXDEV 0x0100004f
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# endif
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// Non-POSIX:
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# ifndef EHOSTDOWN
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# define EHOSTDOWN 0x01100001
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# endif
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# ifndef EPFNOSUPPORT
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# define EPFNOSUPPORT 0x01100002
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# endif
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# ifndef EPROCLIM
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# define EPROCLIM 0x01100003
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# endif
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# ifndef ESHUTDOWN
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# define ESHUTDOWN 0x01100004
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# endif
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# ifndef ESOCKTNOSUPPORT
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# define ESOCKTNOSUPPORT 0x01100005
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# endif
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# elif defined (__FreeBSD__) || defined (__OpenBSD__)
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# ifndef EBADMSG
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# define EBADMSG EIO
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# endif
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# endif /* defined (__FreeBSD__) || defined (__OpenBSD__) */
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#endif /* defined (PORT_WANT_ERRNO) */
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// Use SDL_INCLUDE and SDL_IMAGE_INCLUDE to portably include the SDL files
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// from the right location.
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// TODO: Where the SDL and SDL_image headers are located could be detected
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// from the build script.
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#ifdef __APPLE__
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// SDL_image.h in a directory SDL_image under the include dir.
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# define SDL_DIR SDL
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# define SDL_IMAGE_DIR SDL_image
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#else
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// SDL_image.h directly under the include dir.
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# undef SDL_DIR
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# undef SDL_IMAGE_DIR
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#endif
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#ifdef SDL_DIR
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# define SDL_INCLUDE(file) <SDL_DIR/file>
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#else
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# define SDL_INCLUDE(file) <file>
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#endif /* SDL_DIR */
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#ifdef SDL_IMAGE_DIR
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# define SDL_IMAGE_INCLUDE(file) <SDL_IMAGE_DIR/file>
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#else
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# define SDL_IMAGE_INCLUDE(file) <file>
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#endif /* SDL_IMAGE_DIR */
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// Mark a function as using printf-style function arguments, so that
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// extra consistency checks can be made by the compiler.
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// The first argument to PRINTF_FUNCTION and VPRINTF_FUNCTION is the
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// index of the format string argument, the second is the index of
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// the first argument which is specified in the format string (in the
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// case of PRINTF_FUNCTION) or of the va_list argument (in the case of
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// VPRINTF_FUNCTION).
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#ifdef __GNUC__
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# define PRINTF_FUNCTION(formatArg, firstArg) \
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__attribute__((format(printf, formatArg, firstArg)))
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# define VPRINTF_FUNCTION(formatArg) \
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__attribute__((format(printf, formatArg, 0)))
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#else
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# define PRINTF_FUNCTION(formatArg, firstArg)
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# define VPRINTF_FUNCTION(formatArg)
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#endif
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#if defined(__GNUC__)
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# define _NORETURN __attribute__((noreturn))
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#else
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# define _NORETURN
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#endif
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// Buffered vs. unbuffered logfile
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// stderr is normally unbuffered when connected to a terminal, but it
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// will be buffered when connected to a file, when a --logfile argument
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// is passed to uqm.
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// Unbuffered output is slower, which can be significant if much debug output
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// is requested, but after a crash occurs the logfile will still be up to
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// date.
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// On platforms where there is no console, having up-to-date log files
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// after a crash is valuable enough to make the logfile unbuffered by
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// default there.
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#if defined(_WIN32_WCE)
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# define UNBUFFERED_LOGFILE
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#endif
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// Variations in path handling
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#if defined(WIN32) || defined(__SYMBIAN32__)
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// HAVE_DRIVE_LETTERS is defined to signify that DOS/Windows style drive
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// letters are to be recognised on this platform.
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# define HAVE_DRIVE_LETTERS
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// BACKSLASH_IS_PATH_SEPARATOR is defined to signify that the backslash
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// character is to be recognised as a path separator on this platform.
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// This does not affect the acceptance of forward slashes as path
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// separators.
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# define BACKSLASH_IS_PATH_SEPARATOR
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#endif
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#if defined(WIN32)
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// HAVE_UNC_PATHS is defined to signify that Universal Naming Convention
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// style paths are to be recognised on this platform.
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# define HAVE_UNC_PATHS
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// HAVE_CWD_PER_DRIVE is defined to signify that every drive has its own
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// current working directory.
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# define HAVE_CWD_PER_DRIVE
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#endif
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// REJECT_DRIVE_PATH_WITHOUT_SLASH can also be defined, if paths of the form
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// "d:foo/bar" (without a slash after the drive letter) are to be rejected.
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#endif /* _PORT_H */
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