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/*
* tclMacPort.h --
*
* This header file handles porting issues that occur because of
* differences between the Mac and Unix. It should be the only
* file that contains #ifdefs to handle different flavors of OS.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclMacPort.h,v 1.17 2003/03/03 20:22:44 das Exp $
*/
#ifndef _MACPORT
#define _MACPORT
#ifndef _TCLINT
# include "tclInt.h"
#endif
/*
*---------------------------------------------------------------------------
* The following sets of #includes and #ifdefs are required to get Tcl to
* compile on the macintosh.
*---------------------------------------------------------------------------
*/
#include "tclErrno.h"
#ifndef EOVERFLOW
# ifdef EFBIG
# define EOVERFLOW EFBIG /* The object couldn't fit in the datatype */
# else /* !EFBIG */
# define EOVERFLOW EINVAL /* Better than nothing! */
# endif /* EFBIG */
#endif /* !EOVERFLOW */
#include <float.h>
#ifdef THINK_C
/*
* The Symantic C code has not been tested
* and probably will not work.
*/
# include <pascal.h>
# include <posix.h>
# include <string.h>
# include <fcntl.h>
# include <pwd.h>
# include <sys/param.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <unistd.h>
#elif defined(__MWERKS__)
# include <time.h>
# include <unistd.h>
# include <utime.h>
# include <fcntl.h>
# include <stat.h>
#if __MSL__ < 0x6000
# define isatty(arg) 1
/*
* Defines used by access function. This function is provided
* by Mac Tcl as the function TclpAccess.
*/
# define F_OK 0 /* test for existence of file */
# define X_OK 0x01 /* test for execute or search permission */
# define W_OK 0x02 /* test for write permission */
# define R_OK 0x04 /* test for read permission */
#endif
#endif /* __MWERKS__ */
#if defined(S_IFBLK) && !defined(S_ISLNK)
#define S_ISLNK(m) (((m)&(S_IFMT)) == (S_IFLNK))
#endif
/*
* Many signals are not supported on the Mac and are thus not defined in
* <signal.h>. They are defined here so that Tcl will compile with less
* modification.
*/
#ifndef SIGQUIT
#define SIGQUIT 300
#endif
#ifndef SIGPIPE
#define SIGPIPE 13
#endif
#ifndef SIGHUP
#define SIGHUP 100
#endif
/*
* waitpid doesn't work on a Mac - the following makes
* Tcl compile without errors. These would normally
* be defined in sys/wait.h on UNIX systems.
*/
#define WAIT_STATUS_TYPE int
#define WNOHANG 1
#define WIFSTOPPED(stat) (1)
#define WIFSIGNALED(stat) (1)
#define WIFEXITED(stat) (1)
#define WIFSTOPSIG(stat) (1)
#define WIFTERMSIG(stat) (1)
#define WIFEXITSTATUS(stat) (1)
#define WEXITSTATUS(stat) (1)
#define WTERMSIG(status) (1)
#define WSTOPSIG(status) (1)
#ifdef BUILD_tcl
# undef TCL_STORAGE_CLASS
# define TCL_STORAGE_CLASS DLLEXPORT
#endif
/*
* Make sure that MAXPATHLEN is defined.
*/
#ifndef MAXPATHLEN
# ifdef PATH_MAX
# define MAXPATHLEN PATH_MAX
# else
# define MAXPATHLEN 2048
# endif
#endif
/*
* Define "NBBY" (number of bits per byte) if it's not already defined.
*/
#ifndef NBBY
# define NBBY 8
#endif
/*
* These functions always return dummy values on Mac.
*/
#ifndef geteuid
# define geteuid() 1
#endif
#ifndef getpid
# define getpid() -1
#endif
/*
* Variables provided by the C library.
*/
extern char **environ;
/*
*---------------------------------------------------------------------------
* The following macros and declarations represent the interface between
* generic and mac-specific parts of Tcl. Some of the macros may override
* functions declared in tclInt.h.
*---------------------------------------------------------------------------
*/
/*
* The default platform eol translation on Mac is TCL_TRANSLATE_CR:
*/
#define TCL_PLATFORM_TRANSLATION TCL_TRANSLATE_CR
/*
* Declare dynamic loading extension macro.
*/
#define TCL_SHLIB_EXT ".shlb"
/*
* The following define is defined as a workaround on the mac. It claims that
* struct tm has the timezone string in it, which is not true. However,
* the code that works around this fact does not compile on the Mac, since
* it relies on the fact that time.h has a "timezone" variable, which the
* Metrowerks time.h does not have...
*
* The Mac timezone stuff is implemented via the TclpGetTZName() routine in
* tclMacTime.c
*
*/
#define HAVE_TM_ZONE
/*
* If we're using the Metrowerks MSL, we need to convert time_t values from
* the mac epoch to the msl epoch (== unix epoch) by adding the offset from
* <time.mac.h> to mac time_t values, as MSL is using its epoch for file
* access routines such as stat or utime
*/
#ifdef __MSL__
#include <time.mac.h>
#ifdef _mac_msl_epoch_offset_
#define tcl_mac_epoch_offset _mac_msl_epoch_offset_
#define TCL_MAC_USE_MSL_EPOCH /* flag for TclDate.c */
#else
#define tcl_mac_epoch_offset 0L
#endif
#else
#define tcl_mac_epoch_offset 0L
#endif
/*
* The following macros have trivial definitions, allowing generic code to
* address platform-specific issues.
*/
#define TclpGetPid(pid) ((unsigned long) (pid))
#define TclSetSystemEnv(a,b)
#define tzset()
char *TclpFindExecutable(const char *argv0);
int TclpFindVariable(CONST char *name, int *lengthPtr);
#define fopen(path, mode) TclMacFOpenHack(path, mode)
#define readlink(fileName, buffer, size) TclMacReadlink(fileName, buffer, size)
#ifdef TCL_TEST
#define chmod(path, mode) TclMacChmod(path, mode)
#endif
/*
* Prototypes needed for compatability
*/
/* EXTERN int strncasecmp _ANSI_ARGS_((CONST char *s1,
CONST char *s2, size_t n)); */
/*
* These definitions force putenv & company to use the version
* supplied with Tcl.
*/
#ifndef putenv
# define unsetenv TclUnsetEnv
# define putenv Tcl_PutEnv
# define setenv TclSetEnv
void TclSetEnv(CONST char *name, CONST char *value);
/* int Tcl_PutEnv(CONST char *string); */
void TclUnsetEnv(CONST char *name);
#endif
/*
* Platform specific mutex definition used by memory allocators.
* These are all no-ops on the Macintosh, since the threads are
* all cooperative.
*/
#ifdef TCL_THREADS
typedef int TclpMutex;
#define TclpMutexInit(a)
#define TclpMutexLock(a)
#define TclpMutexUnlock(a)
#else
typedef int TclpMutex;
#define TclpMutexInit(a)
#define TclpMutexLock(a)
#define TclpMutexUnlock(a)
#endif /* TCL_THREADS */
typedef pascal void (*ExitToShellProcPtr)(void);
#include "tclMac.h" // contains #include "tclPlatDecls.h"
#include "tclIntPlatDecls.h"
# undef TCL_STORAGE_CLASS
# define TCL_STORAGE_CLASS DLLIMPORT
#endif /* _MACPORT */
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