mkslocal.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1996-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* <mkslocal.h>, POSIX Version - local <mks.h> requirements
*
* This generic POSIX version should be used as a template for creation of
* any new <mkslocal.h> file.
*
* Copyright 1985, 1993 by Mortice Kern Systems Inc. All rights reserved.
*
* $Header: /rd/h/posix/rcs/mkslocal.h 1.168 1995/06/21 20:33:29 jeffhe Exp mark $
*/
#if 0 /* not required for POSIX systems; here for documentation only */
#ifndef VERSION
#endif
* DOS, etc)
*/
#ifndef __STDC__
/* For non-ANSI C compilers, we need to define
* the character encoding for some special control characters
* If these are NOT defined here, then <mks.h> will use
* the ASCII encodings as the default values.
*
* For ANSI C compilers, there are special C character constants supported
* by the compiler. <mks.h> will properly handle this.
*
*/
#endif /* __STDC__ */
/* M_ESCAPE - the system default character encoding for the <ESC> character
* If this is not defined here, then <mks.h> will
* default to use the ASCII encodings.
*/
* systems, which have unusual
* calling sequences
*/
#define M_DEFAULT_PATH "/bin:/usr/bin"
/* Default PATH. Not used yet.
*/
/* This string is a list of directories where
* all the POSIX.2 utilities can be found.
* Returned by constr(_CS_PATH, buf, len).
* The shell uses this search path in
* command -p util ...
* The list plus "." is used by login
* and sh as the default $PATH.
*/
#define M_CS_SHELL "/bin/sh"
/* The pathname of the shell utility.
* Returned by confstr(_CS_SHELL, buf, len).
* This string defines the path to the
* the POSIX.2 command language interpreter,
* so we do not have to search M_CS_PATH.
*/
#define M_CS_BINDIR "/bin"
#define M_CS_LIBDIR "/lib"
#define M_CS_TMPDIR "/tmp"
#define M_CS_ETCDIR "/etc"
#define M_CS_SPOOLDIR "/spool"
#define M_CS_NLSDIR "/lib/nls"
#define M_CS_MANPATH "/man"
/* the M_CS_* strings are used by MKS's version
* of the POSIX.2 confstr() API.
* The M_CS_*DIR strings point to system
* default directories.
* The M_CS_*PATH strings may be a list of
* colon seperated system directories
*/
/* M_BINDIR - directory where the POSIX.2
* utilities live. (e.g ed, ...)
*/
/* Define to convert a pathname relative to the
* library directory to an absolute pathname.
* <mks.h> should always be overridden.
*
* Used by bc, cron
*/
/* Define to convert a pathname relative to the
* etcetera directory to an absolute pathname.
* Traditional systems would use "/etc/"
* <mks.h> should always be overridden.
* Used by file, vi, sh, ccg, lex, awk
*/
/* Define to convert a pathname relative to the
* spool directory to an absolute pathname.
* <mks.h> should always be overridden.
*/
/* Directory name used by the locale program
* to locate specific compiled locales.
* Should always be set, if using the mks
* supplied i18n package. Possible location
*/
#define M_TMPDIR M_CS_TMPDIR /* Temporary file storage directory.
* Used for P_tmpdir in case its not defined
* in <stdio.h>
*/
#define M_MANPATH M_CS_MANPATH
/* a list of colon seperated pathnames
* which the man utility uses
* as the default search path
* (e.g when MANPATH environment variable
* not initialized.
*/
* doesn't know about a given request for help
* then pass the help request on to another
* help program. Note that if the name for
* the other is also help, there must be
* some form of name qualification. No attempt
* will be made if this is not defined.
* <mks.h> will default to undefined
*/
/* define the default path that should be used
* by MKS's implementation of catopen() when
* trying to open the message cataloges
* If you are not using MKS's implementation
* of catopen(), then this definition
* is not required.
*/
#define M_ENDPWENT 1 /* set to 1 if system provides a endpwent()
* routine.
* Normally, systems provide this routine
* only if getpw*() routines allocate
* some resources which a user may want
* to deallocate when finished accessing the
* user getpw*() routines
* This is the case for conventional
* UNIX systems
*/
#undef M_SHBLTIN_ANYCMD /* set to 1 if you want ability to create an
* executable with any name, using shbltin.c.
* [ shbltin.c was created to satisfy
* utilities". ]
* If this is undefined, then the only valid
* command names are those listed in an
* internal table in shbltin.c which are
* are checked at run-time against
* basename(argv[0]).
* If the command name is not listed in the
* table, then program will exit
* with an error message.
*
* Normally, this is undefined, since
* it becomes too easy to get into an infinite
* loop if you name this executable to a
* non-bltin command.
*/
/* shbltin:
* shbltin.c is configurable but its configuration is done
* in mkslocal.mk.
* See M_SHBLTIN_ULIMIT
* See M_SHBLTIN_HASH
* See M_SHBLTIN_TYPE
* See M_SHBLTIN_XPG4
*/
#undef M_FNMATCH_DUALCASE /* fnmatch(): If this #define is set, then
* fnmatch will ignore case in file name
* matches *unless* the environment variable
* at runtime has DUALCASE set.
* For a conforming system, this should *not*
* be defined. <mks.h> will default to
* undefined.
*/
#undef M_SMALLSTACK /* Define this to 1 on systems that have
* a fixed size stack compiled into programs,
* and a small (probably 64k) data segment.
*/
#undef M_NULL /* define this if you want to change the
* system default defintion of NULL.
* (e.g #define M_NULL ((void*)0)
*/
#define M_MALLOC 1 /* Define M_MALLOC if your system has either
* of the following two problems:
* 1) ANSI does not specify returning a valid
* errno if malloc() returns NULL.
* But, MKS code assumes a valid errno
* as is returned in most UNIX systems.
* 2) ANSI says it is implementation defined
* whether or not malloc(0) returns a valid
* pointer.
* MKS code assumes that a valid pointer
* is returned.
*
* Defining M_MALLOC requires an m_malloc()
* function, which MKS provides.
* Undefining M_MALLOC causes m_malloc() to be
* renamed to malloc(). (See mks.h)
*/
#define M_REALLOC 1 /* Defining M_REALLOC will cause
* m_realloc() to be used in place of the
* systems realloc().
* This is necessary:
* a) if you do not have an ANSI realloc()
* b) if the system realloc()
* has the following problem:
* - ANSI does not specify returning a valid
* errno if malloc() returns NULL.
* But, MKS code assumes a valid errno
* as is returned in most UNIX systems.
*
* Defining M_REALLOC requires an m_realloc()
* function, which MKS provides.
* Undefining M_MALLOC causes m_malloc() to be
* renamed to malloc(). (See mks.h)
*/
#ifdef M_REALLOC
#define M_WANT_ANSI_REALLOC 1 /* Use #undef M_WANT_ANSI_REALLOC
* if your system has an ANSI realloc() function
*
* Defining M_WANT_ANSI_REALLOC can only be
* done if M_REALLOC is also defined.
* Use M_WANT_ANSI_REALLOC if your system
* does not support either of the following
* 2 features:
*
* 1) ANSI says that if the ptr passed to
* realloc is NULL, then it will act like
* a malloc()
* 2) ANSI says that if the ptr passed is
* not NULL and the size is 0, then the
* object that ptr points to is freed.
*
* Defining M_REALLOC requires an m_realloc()
* function, which MKS provides.
* Undefining M_MALLOC causes m_realloc() to be
* renamed to realloc(). (See mks.h)
*/
#endif /* M_REALLOC */
#define M_MAXMALLOC 64 /* Define the maximum number of kilobytes (K)
* that can be requested from malloc().
* This is intended for segmented systems
* where max allocation by malloc() is smaller
* than the total mallocable memory;
* some programs will assume they can do
* multiple mallocs of this # of K to allocate
* a large data structure.
* By default, this is not defined; malloc can
* allocate up to MAX_INT bytes.
*/
#define __LDATA__ 1 /* DEPRECATED */
#define M_LDATA 1 /* For most modern systems this will be set.
* Some systems (e.g DOS) have a large and
* small program model.
* Thus, various programs have two buffer sizes
* built into them -- large and small. The
* small buffer size is normally sub-optimal,
* but permits the data to fit in the small
* buffer (say 64k)
*/
#ifndef PATH_MAX
#define M_PATH_MAX 2048 /* For systems where pathconf(file,_PC_PATH_MAX)
* can return -1 and NOT set errno
* (which means that PATH_MAX for 'file'
* is unlimited),
* we provide a suitable LARGE value
* that can be returned by m_pathmax().
* This number should be sufficiently large
* to handle most (if not all) reasonable
* pathnames for a particular system.
* m_pathmax() is usually used to determine
* how large a buffer must be allocated to store
* pathnames.
*/
#endif /* PATH_MAX */
#define M_EXPTIME 1 /* For systems whose files maintain an
* additional time field, generally expiry time.
* The stat structure must have a member
* st_etime and the utimbuf a member exptime.
* <mks.h> will default to undefined.
*/
#undef ROOTGID
#undef ROOTUID /* Some systems may use a different user id
* to indicate the superuser.
* If it is not defined here, then <mks.h>
* will define it to be 0 which is the
* value used in conventional UNIX.
*/
#define M_AUDIT 1 /* For systems which maintain file auditing
* information. M_AUDITW1 and M_AUDITW2 must
* be defined, and return one or two audit
* words from the stat structure. m_audmode
* must be defined in the local libraries
* to convert from these two words, to ls style
* letter information. <mks.h> will default to
* undefined.
*/
#define M_AUDITW1(sbp) ? /* Fetch first audit word from stat pointer,
* if M_AUDIT defined.
*/
#define M_AUDITW2(sbp) ? /* Fetch second audit word from stat pointer,
* if M_AUDIT defined. Define as `0' if no
* second audit word.
*/
#undef M_DEVIO /* use #define M_DEVIO 1 on systems that
* requires special interfaces
* to perform I/O on devices.
* (e.g cannot use the standard open,read,write
* interface)
* See <devio.h> for details on this
* special interface.
* Default is undefined; no special device i/o
* interface is used.
*/
#undef M_DEVBIN /* Use #define M_DEVBIN 1
* on systems that have devices that do not
* allow raw I/O be written directly
* to the device.
* These systems tend to process the data
* before actually writing the data to the
* device.
* (e.g DOS disk devices do some character
* translations. This routine is intended
* to disable this behaviour.)
* The definition of m_devbin() and m_devstd()
* is done in <mks.h>.
* If this is defined, then <mks.h> defines
* the prototypes m_devbin() and m_devstd()
* Otherwise it undefines m_devstd()
* and set m_devbin to return a dummy value of 0
*
* MKS has selected some utilities
* to recognize this fact and to handle
* these I/O cases specially.
* Such utilities include cp, mv, and pax
*/
#define M_SETENV 1 /* Some systems require special preparation */
char **m_setenv ANSI((void));/* for use of the environment variables via
* environ; m_setenv call makes sure that
* environ is set up. <mks.h> will default to
* m_setenv returning environ. M_SETENV
* must be set to indicate to mks.h that a C
* function has been defined.
*/
#define m_setbinary(fp) /* On systems supporting text and binary files,
* from "r" and "w"), there is a requirement
* mode. m_setbinary on such systems should
* perform this action. On other systems, this
* macro should define itself out of existence.
* Normally this macro would be defined in
* it out of existence, if not defined.
*/
#define M_TFGETC 0 /* Do we have POSIX.1-deficient termios?
* On POSIX.1 or SVID compliant systems,
* define it as 0 and mks.h will
* map m_tfgetc(fp,tp) to fgetc(fp).
* On deficient systems (e.g. BSD),
* define it as 1 and ensure a m_tfgetc()
* routine is provided.
*/
#define M_STTY_CC 1 /* The stty command control-character setting
* is very system specific. The default code
* in stty.c works only for the ascii character
* set. <mks.h> will default to M_STTY_CC
* being undefined, resulting using the default
* code. arg is the string passed to stty; *cp
* should have the resulting value stored in it.
* A 0 return value indicates success; other-
* wise an error message will be printed.
*/
#define M_LOGIN_GETTY 1 /* Use #define M_LOGIN_GETTY 1
* on systems that do not provide a
* getty utility.
* This is for use in the login utility to
* display a banner that would conventionally
* be displayed by the UNIX getty utility
* that would have run before login.
* If M_LOGIN_GETTY is not defined here,
* then login will not print this banner info.
*/
/* default command that is executed
* by the man utility to display a man page
* when the user's PAGER environment
* variable is not set.
*/
* If this isn't defined, then <mks.h>
* will leave it undefined.
* This is related to the MKS default
* access enforcment policy for use
* by m_wallow(), mesg, talk, and write.
* If undefined, it is assumed that no security
* is available on tty's.
*/
#undef M_CONSOLE /* This is defined to indicate that a pc
* style console is used instead of a tty.
* This allows for the elimination of
* unnecessary calls to m_wallow() from
* pc compiles.
* Default is undef; m_wallow calls are made.
*/
* tsmail (name of mailbox to be locked
* used by UNIX sendmail. This should be
* set to the same suffix as used by other
* mail agents on the machine.
*/
#define M_LS_OPT_D 1 /* ls command: Support -D (list only dirs)
* This option is non-standard on any unix
* system, so is only an option.
* Default is not defined, so ls doesn't support
* this option.
*/
#define M_LOGGER_OPTIONS (log_pid|log_user)
/* Set up default options for the logger utility
* The logger utility allows the log lines to
* be prefixed by pid, ppid, a timestamp,
* If an implementation wishes to
* force some of these prefixes then it
* should OR together one or more of the
* appropriate constants:
* log_pid
* log_ppid
* log_timestamp
* log_user
* If M_LOGGER_OPTIONS is not defined here then
* logger.c uses the default:
* (log_pid|log_user).
*/
/* logger command: If you wish to use the
* default, trivial, logging routines, then
* define M_LOGGER_CONSOLE to the name of
* a device or file, to which logger may
* append the log messages.
* If this variable is *not* defined, then
* the local system must have m_logger, and
* m_logger_close defined and retrieve
* either by the make process, or in the
* libraries. See the documentation for
* the calling sequence of these routines.
*/
#undef M_COMPRESSION_AVAIL /*
* Not defining M_COMPRESSION_AVAIL indicates
* that the compression libary code is not
* available.
* Changing the #undef to #define should only
* is implemented.
*
* Because UNiSYS holds the patent on the
* adaptive Lempel-Ziv compression algorithm,
* MKS may not provide the compression
* must be disabled.
* If the compression algorithm is implemented
* in m_comp.c, then this macro can be defined.
*/
* utilities will use (e.g when 'f' option
* not specified)
* This file name is usually a tape device name
* Two %c's field specifiers can be included
* in the file name;
* the first is replaced with tapenumber,
* the 2nd with tape density
* (l, m, or h, for low, medium or high).
* If you either don't have multiple
* tapes, or densities, you can leave off extra
* %c's.
*
*/
#undef M_GUNZIP /* When defined, m_dc_open() will test for
* gzip-compressed files, and call the
* appropriate routines to uncompress them,
* in addition the normal operation of testing
* for compress-compressed files.
*/
#undef M_VI_NO_RECOVER /* vi command: when defined will not include the
* :preserve and :recover commands.
*/
#define M_VI_COPYRIGHT 1 /* vi command: When sold as a separate product,
* vi prints a copyright notice. This flag
* causes the notice to be printed. Default is
* not defined, which causes vi to NOT print
* the copyright notice.
*/
/* make command: builtin rule which defines the
* $(OS) variable expansion.
* Default is not defined, which is an error.
*/
#undef M_MAKE_EXIT_DIRECT /* If this is defined, make will call exit()
* directly when it receives a signal, rather
* than clearing the handler and re-sending
* itself the signal. For 1003.2 conformance,
* this must not be defined.
*/
/* rule that make uses when trying to locate
* the default makefile to run
*/
#define M_MAKEDIRSEPSTR "/" /* Default string of characters that make
* will look at and use when manipulating
* path names.
*/
#define M_GETSWITCHAR '-' /* Default character used to indicate an
* option to a command. Note - on some
* systems, this may actually be a system-call
* instead of a constant. As a consequence
* this define should not be used as a
* global initializer.
*/
#define M_MAKE_BUFFER_SIZE 8192 /* max line length handled by make parser */
#define M_MAKE_STRING_SIZE 8192 /* make macro expansion max string size */
#define M_MAKE_PATSUB_SIZE 1024 /* make pattern/substitution max string size */
#define M_FLDSEP ':' /* The field separator character used in
* the PATH environment variable (for sh),
* and for the entries in the group database
* If this is not defined here, then <mks.h>
* will default to ':'.
*/
#undef M_TEXT_CR /* Some systems use <cr><lf> pairs rather than
* simple <lf>s to delimit text lines. On
* these systems, this should be defined.
* Default is undefined.
*/
#define M_FPPSLOW 1 /* This should be defined for systems whose
* floating point operations
* are slower than integral operations.
* If this in undefined, the assumption will
* be fast floating point.
*/
#define __CLK_TCK 100 /* units for times() */
* owners on files.
* <mks.h> will default to undefined.
* Used by pax
*/
#define M_FSDELIM(ch) ((ch)=='/') /* for systems who have special characters to
* delimit file systems, this returns true if
* the given character is a file system
* delimiter; <mks.h> will default to '/'.
* ispathdelim() is a deprecated form.
*/
#define M_DRDELIM(ch) (0) /* for systems whose names parse with a leading
* drive separated by a drive delimiter char,
* (e.g. ':' on dos systems); posix systems
* simply return false, i.e. no, character
* is not a drive delimiter.
* <mks.h> will default to (0).
*/
#define M_DIRSTAT(pathname, dirp, statbuf) stat((pathname), (statbuf))
/* prototype definition:
* int M_DIRSTAT(char* pathname,
* DIR* dirp,
* struct stat* statbuf);
* On POSIX and conventional UNIX systems
* this macro is defined as:
* stat((pathname), (statbuf))
/* On systems where the file information is
* maintained in the directory (not the inode)
* the DIR structure may contain this info,
* in which case the information can be returned
* without doing a stat(). This may be a
* performance enhancement.
* dirp is the DIR * pointer returned by opendir
*/
#define M_HIDDEN(dirp, dp) ((dp)->d_name[0] == '.')
/* prototype definition:
* int M_HIDDEN(DIR* dirp, struct* dirent)
*
* Some utilities (e.g ls) recognize certain
* In conventional UNIX systems this has been
* the '.' prefix.
* On other systems, with other conventions
* the M_HIDDEN macro should be suitably
* modified
*
* If this is not defined, then
* <mks.h> defaults to traditional unix, a
* leading `.'.
*/
#undef M_NO_FORK /* Define for non-POSIX systems that do not
* have a true fork(), and must use some sort
* of spawn call (for example, DOS).
* By default undefined; there is a fork.
*/
#undef M_SYNC_FORK /* fork() is synchronous (DOS). (sh)
* Default is undefined; posix.1 fork provided.
*/
#undef M_FEXEC /* Use fexec[ve] when possible.
* (sh, ...)
* By default undefined; fork is reasonable
* performance.
*/
#undef M_EXEC_FILETYPE /* File name types for executables.
* For example, .exe and .ksh.
* For the shell, you need to define shexecve()
* and testpath() in sh$(ORG).c.
* By default undefined; no file name types.
*/
#undef M_NO_IDS /* POSIX uids and gids.
* (sh: set -p; umask; test -[rwx])
*/
#undef M_NO_ST_INO /* stat's st_ino is meaningless. (pax; test -ef)
*/
#undef M_SVFS_INO /* statvfs() provides valid f_ffree and
* f_files fields which describe the number
* of free file slots and the total number
* of file slots in a filesystem. Used
* by df.
*/
#undef M_NO_PIPE /* no pipe(), use temp files. (sh, popen)
* Default is undefined; posix.1 pipes provided.
*/
#undef M_LOCKING_OPEN /* Open'd files are locked, (DOS, OS2)
* and cannot be unlink'd or rename'd.
*/
#undef M_USE_SIGNAL /* Has no sigaction, use signal (SVR3).
* (sh, ...)
*/
#undef M_NO_IO_EINTR /* Tty I/O does not return EINTR
* when SIGINT signal handler returns.
* (sh, ?)
*/
#undef M_TTY_ICANON /* Tty is always in ICANON mode.
* (sh,ex,mailx)
*/
*/
* by posix.2. It is required to be named
*/
#define M_FCLOSE_NOT_POSIX_1 1 /* fclose() does not conform to posix.1 section
* 8.2. An explicit lseek must be done on the
* stream prior to an fclose for the seek
* pointer to be correct. <mks.h> will default
* to undefined.
*/
#define M_FFLUSH_NOT_POSIX_1 1 /* fflush() does not conform to posix.1 section
* 8.2. <mks.h> will default to undefined.
* If undefined, then mks.h will turn m_fflush
* into fflush. If defined, then mks.h will
* leave m_fflush alone, and a stdio-specific
* routine m_fflush() must be provided which
* actually conforms to the standard.
*/
* to get mks utility messages via the xpg
* For example, in XPG:
* catopen (M_NL_DOM, ...)
*/
#define M_L_CUSERID 16 /* Length of longest user id returned by
* cuserid() routine.
* Used for L_cuserid in case its not
* defined in <stdio.h>
*/
/* This pathname is passed as the 1st argument
* to setmntent() routine.
* On conventional UNIX systems, this
* pathname identifies a file that contains
* a list of all the actively mounted systems.
* The mount utility is normally responsible
* for adding entries to this file
* and umount utility deletes the entries.
*/
/* this pathname identifies a file that
* is similar to M_FSMOUNT, but instead of
* the actively mounted file systems, it
* has a list of ALL possible filesytems
* that could be mounted.
* This file normally used by the mount
* command to find all the file systems
* to mount by default.
*/
/* Name of default charmap file to use in
* localedef if -f charmap option isn't
* used.
*/
#define M_ISEOV(error) (error == EINVAL)
/* This macro is used after an unsuccessful
* read() or m_devread() to determine
* if end-of-volume has been encountered.
* This macro should be invoked using the
* errno returned by the read().
* The macro should evaluate to 1 (true)
* if it can determine the EOV condition
* from this errno.
* Otherwise, should evaluate to 0 (false)
* <mks.h> defaults to 0, i.e. never EOV
*/
#define M_COMPRESS_DEFBITS 16
/* Default # of bits to compress in compress.
* If not defined, compress defaults to 16.
* Probably only useful on systems with limited
* memory capacity.
*/
/* Curses product version string. This
* string will be imbedded in the excutable
* for an application. This string should
* be set to the vendor's product code used
* for Curses.
*/
#undef M_CURSES_MEMMAPPED /* Define this symbol to compile up curses
* for a memory mapped display, such as the PC.
* Rather than allocating memory for the main
* screen window, this is compiled to point
* directly at the mapped memory. This will
* require some custom code.
*/
/* Default terminal name used if TERM is
* not set in the environment.
*/
/* Default location for the terminfo database
* if TERMINFO is not set in the environment.
*
* NOTE: Only define this macro if curses
* is available on this system since
* this macro is also used to
*/
#define M_BSD_SPRINTF 1 /* Defined if sprintf on this system has BSD
* semantics ie. if sprintf() returns a pointer
* to the string rather than the number of
* characters printed.
*/
/* Change this definition to define the locale
* that the machine level comparison function
* strcmp conforms to. On all ascii machines,
* strcmp will order the same as the POSIX
* locale. <mks.h> defaults to the def'n given
* here.
*/
#undef M_NOT_646 /* Define this symbol if the local invariant
* character set does not conform to ISO646.
* Normally, this would only be set for
* EBCDIC systems.
* are explicitly required to use 646,
* so if this flag is defined, then there
* is special code which will be
* compiled in to do the appropriate
* character set translation.
*/
/* If M_NOT_646 is defined, then you must
* define the codeset that filenames are
* stored in. This must be a string value,
* that can be passed into iconv.
* Theoretically, this could be a call to
* setlocale, to some extention that would
* return the name of the charmap.
*/
#define M_STKCHK expression /* Define this macro on systems that have a
* fixed size stack.
* This macro should define an expression
* that can be used to check if the current
* C function stack is within some distance
* from the end of available stack size.
* Return 0 if it is -- i.e. unsafe to
* recurse further.
* <mks.h> defaults to undefined;
* i.e. no stack bounds checking.
* This is only called from a few programs
* which allow the user to perform recursion.
*/
#define M_ST_RDEV(sb) ((sb).st_rdev)
#define M_DEVMAJOR(statp) ((uint)major((statp)->st_rdev))
/* Prototype: uint M_DEVMAJOR(struct stat *);
*
* Return the major device number given
* Assumes the stat structure pointer
* represents a special device file.
* MKS recommends all systems define
* some method of extracting this information
* from this structure
* (eg. define a st_rdev or st_major member
* in the struct stat.)
* This macro must be defined to return some
* unsigned integer value.
*/
#define M_DEVMINOR(statp) ((uint)minor((statp)->st_rdev))
/* Prototype: uint M_DEVMINOR(struct stat *);
*
* Return the minor device number given
* Same recommendations as M_DEVMAJOR above.
*/
#define M_DEVMAKE(mjr, mnr) (makedev((mjr), (mnr)))
/* Build a dev_t from a major and minor #
* M_DEVMAKE(M_DEVMAJOR(sbp), M_DEVMINOR(sbp))
* just returns the dev_t from the stat buf
*/
#define M_INODIRENT(name, dirbuf) ((ino_t)((dirbuf)->d_ino))
/* Prototype:
* ino_t M_INODIRENT(char *, struct dirent *);
*
* Return the inode belonging to the directory
* entry corresponding to dirbuf. The name
* parameter is the path name given to a
* previous call to opendir().
*/
#define M_ST_BLOCKS(sbp) ((sbp)->st_blocks)
#define M_ST_BLKSIZE(sbp) ((sbp)->st_blksize)
/* If the implementation supports, in the stat
* structure, the actual disk space allocation
* to a given file, then M_ST_BLOCKS should
* be defined to return that member from the
* passed stat structure pointer.
* M_ST_BLKSIZE should be the number of bytes
* in a M_ST_BLOCKS unit; normally a
* different member of the stat structure.
*
* These macros are not required.
* Programs that use these macros
* will fall back on computing these
* values from the st_size field.
*/
#define M_MATHERR 0 /* If the math library supports matherr(),
* define with a non-zero value.
* MKS recommends that all ANSI-C libraries
* support this.
* By default, not defined.
*/
#define M_AWK_SUBSEP "\034" /* Default SUBSEP value in awk. This value
* is appropriate for ASCII based character
* sets.
*/
#define M_FSCLOSE(fp) fclose(fp)
/* define M_FSCLOSE(fp) to be the function
* that cleans up the resources allocated
* by m_fsopen().
* Since m_fsopen() implementation is system
* specific, so is M_FSCLOSE().
*/
#define M_LEX_8BIT 1 /* If this is defined, lex will produce
* 8-bit tables by default (the normal
* default is 7-bit tables).
*/
#define M_NUMSIZE 30 /* M_NUMSIZE should be defined to the length
* in character positions, of the longest
* number that can be sprintf()'d into a string
* (longest of any type of number,
* eg. float, long, double ...)
* For example, if your system prints
* then M_NUMSIZE should be set to at least 30.
*
* This is used in awk to guess at the size
* that each element of an sprintf() will be
* so that it can internally allocate enough
* storage.
*
* If this is not defined, then a default
* value is used from <mks.h>
*/
/*
* File System (Naming) Attributes.
* M_ONE_DOT, M_NO_LEADING_DOT, and M_SHORT_EXT are deprecated, in favour
* of the m_fstype() function. However, until all code has been converted
* they must be set appropriately. The obsolescent versions do not permit
* supporting a system with multiple filesystem types: they are all statically
* tested via pre-processor directives. The new version permits mixing for
* example of a posix file system, with say a dos floppy file system, such
* as is available on many unix systems today.
* If your system is posix conformant, do not set any of these variables
* or functions; <mks.h> will default to a #define for m_fstype to
* a POSIX style naming convention.
*/
#undef M_FSTYPE /* If m_fstype is defined in mkslocal.h,
* either as a #define, or a function decl.
* then define M_FSTYPE, so <mks.h> won't
* define m_fstype into M_FSTYPE_POSIX.
*/
#undef m_fstype(path) /* Either #define, or function returning a
* combination of file naming attributes,
* and the file system type. On a system
* with only one file system type, this would
* be a #define; on a system with multiple a
* function which would decide based on the
* path arg given. Either M_FSTYPE_POSIX or
* M_FSTYPE_FAT, should be or'ed with any of
* M_FSATTR_ONE_DOT, M_FSATTR_SHORT_EXT and
* M_FSATTR_NO_LEADING_DOT. These three
* M_FSATTR_ bit flags conform to the three
* following obsolete defines.
*/
#undef M_ONE_DOT /* Use #define M_ONE_DOT 1
* for non-posix files systems which
* permit only one dot in a filename.
* Thus, for example, y.tab.c, will become
* ytab.c, based on this #define.
* <mks.h> will default to undefined.
*/
#undef M_NO_LEADING_DOT /* Use #define M_NO_LEADING_DOT 1 for
* non-posix file systems which do not
* permit a leading dot in a filename.
* Thus, for example, .profile will become
* profile.ksh based on this #define.
* <mks.h> will default to undefined.
*/
#undef M_SHORT_EXT /* Use #define M_SHORT_EXT 1
* for non-posix file systems which
* permit only a limited number of characters
* after a dot in a filename.
* Defining M_SHORT_EXT will limit filenames
* to 3 characters after the dot.
* For example, y.output will become y.out
* <mks.h> will default to undefined.
*/
/*
* customizations for ps field specifiers and widths
* This will vary from system to system depending on the max size
* of the values in the different fields
* The following are UNIX (e.g SYSV and BSD) std defaults
*/
NULL };
NULL };
#define M_PS_PID_WIDTH 5
#define M_PS_XPID_WIDTH 8
#define M_PS_GID_WIDTH 5
#define M_PS_UID_WIDTH 5
#define M_PS_TTY_WIDTH 7
/*
* The syntax for specifying and displaying terminal names in ps and who
* is required to be the same.
* Since who gets the names from the utmp file, the ps utility
* (and the m_psread() function) needs to know what format these terminal
* names are presented in the utmp file.
* It would appear that all systems have devices in the /dev/ file system
* Since ttyname() returns a full pathname, we can just strip
*
* The ps utility uses ttyname() to get the name of the controlling terminal.
* M_PS_TTY_PREFIX_TOSTRIP is a prefix string that must be removed from
* the name that ttyname() returns in order to match the name returned
* by m_psread().
* If no prefix is to be removed, then a zero length string ("") should be used
*/
/* Define this if you have a system that
* implements the MKS rootname() function
* (e.g not a no-op)
* and you want to specify the absolute
* pathname to the NLS directory
* which is independent of semantics of rootname().
* Depending on the implementation of rootname(),
* it may prefix the path with $ROOTDIR environment
* variable or it may return a path relative to
* the know location of where the product has
* been installed (or maybe something else!)
*
* If this is not defined, then locale will
* call confstr(_CS_NLSDIR), which in turn calls
* rootname(M_NLSDIR), and you get this resultant
* pathname.
*
* Thus, if you want locale to look in the system native
* nls directory, then define this.
* Otherwise, it will probably look in a user
* specified directory, or the product installation
* directory.
*/
/* Cron configuration options:
* M_CRON_USESFIFO define this (to 1) if your cron is implemented
* utilities when notifying cron of changes to the
* If this is not defined, then cron will expect
*
* M_CRONVARS_DEFINED define this if you define the pathnames below.
* If you don't define this, then the pathnames that cron
* uses is defined in src/cron/cronvars.c.
* (e.g it uses the rootname() and the M_SPOOLDIR,
* M_LIBDIR macros )
*
* This can be used to override cronvars.c definitions
* This is useful on systems that you don't want to
* use MKS's cron daemon and thus, you have to define
* the directories/files where the system cron expects
* things.
*/
#undef M_CRON_USESFIFO
#undef M_CRONVARS_DEFINED
/* the following M_CRON_* macros necessary only
* if M_CRONVARS_DEFINED is defined above
*/
/* FIFOFILE only necessary if M_CRON_USESFIFO
* is defined
*/
/*
* M_CRON_MAILER:
* This is a string that specifies a utility names
* or a shell filter (e.g pipeline) that gets executed by the
* cron daemon to deliver mail messages.
* If this is NOT defined here, the the default case is used (see <mks.h>)
*
* Default case:
*
* Assumes only POSIX.2 mailx is available.
* Must be careful when cron sends output to mailx.
* We must ensure that lines with leading '~' are escaped
* so mailx doesn't interpret these lines
* This string MUST include a trailing space character.
*/
/*
* Defining M_SYSTEM_TMPDIR indicates that a system global
* temporary directory should be used on this system.
* This will override M_TMPDIR, and any calls to rootname(M_TMPDIR)
* which is relative to the product installation directory
*/
/*
* requires a directory in which to store any preserved tmp files.
* Normally these are stored in rootname(M_ETCDIR(recover))
* which is becomes a directory name relative to ROOTDIR env variable (on DOS)
* or relative to the product installation directory.
* Defining M_PRESERVEDIR will ensure that this directory is used
* and calls to rootname() are bypassed.
* (e.g the absolute directory name defined by M_PRESERVEDIR will be used)
*/
/*
* Defining M_SYSTEM_MAILDIR will cause mailx to use this
* absolute directory name - e.g bypass the call to rootname() so
* it doesn't become relative to product installation directory.
*/
#undef M_ULIMIT_AVAIL /* define this if your system provides the SystemV
* ulimit() API and the <ulimit.h> header file
*
* This information is used by 'at' utility
*/
/*
* Shell configuration options.
* NOTE: If not defined here, then there may be
*
* Currently, test and printf can be built-in.
* If you just compile the shell without -D's,
* you do not get these built-in utilities.
*/
#define M_SH_ULIMIT 0 /* Shell SVR4 ulimit built-in.
*
* NOTE: This may be defined in mkslocal.mk
* along with the build configuration required
* for shbltin.c.
*/
#define M_SH_BGNICE 0 /* Set -o bgnice for interactive shell.
*/
#define M_SH_BUILTIN_SEARCH 1 /* Do path search for utility built-ins.
* Currently they are:
* [, echo, test, time, printf, pwd.
*/
#define M_SH_RSH 0 /* rsh is installed as a link to sh.
* Vendor option, not required by any standard.
* Not recommended on UNIX.
*/
#define M_SH_USER_FDS 10 /* Number of user file descriptors.
* The value for [n] in redirection
* can be between 0 and M_SH_USER_FDS-1.
* Must be >= 10, should be <= OPEN_MAX/2.
*/
#define M_SH_LINE_MAX LINE_MAX /* Shell input line buffer size.
*/
#undef M_JOB_CONTROL_OFF /* Disable job control,
* were _POSIX_JOB_CONTROL is defined.
*/
#undef M_COPYRIGHT /* MKS Toolkit.
* Print MKS copyright on startup (sh).
*/
#undef M_SH_CRITERROR /* MKS Toolkit.
* set -o criterror (DOS, OS/2).
*/
#define M_SH_MAX_FUNCTION_EVAL_DEPTH 100
/* The limit on how deep function
* evaluation can go when shell
* functions execute shell functions.
* This stops the shell from crashing
* if an infinitely recursive function
* is evaluated. If the value is 0
* then functions can't be executed at
* all, if the value is 1 then
* functions can't execute other
* functions, and so on. If the macro
* M_STKCHK is defined then there will
* be no limit and M_STKCHK will be
* used to prevent a crash.
*/
#undef M_SPAWN /* This code is prototype code only. It
* has not been tested, and should not be
* used.
* This code is not supported, except through
* special arrangements with MKS.
*/
#define M_EXPR_POSIX 1
/*
* POSIX requires that numbers on the
* expr command line always be considered
* decimal. We support octal and hex as
* as well. Defining this will turn that
* extension off by default, but it is still
* accessible by specifying the new '-W' flag
*/
#undef M_RE_SUB_ANCHOR /* Define this if you wish your baisc regular
* expressions to support anchors
* (^ and $) inside of subexpressions.
* See POSIX.2 section 2.8.3.5.
*/
/*
* In order to get full Posix.2 i18n, then you must either:
*
* i) Use the full mks ansi-c library; mks localedef, mks locale.h file...
* ii) Extend your own ansi-c library to contain the mks specified functions
* as described in the mks Porting and Tuning Guide.
*
* Otherwise, it is not possible to conform to posix .2.
*
* You may still turn on I18N, and get as much internationalization as is
* possible using a standard ANSI-C compiler.
*
* Your options are:
* i) Full posix conformance. You must have i or ii above, and must define
* M_I18N and M_I18N_MKS_{FULL,XPG}.
* ii) I18N at ANSI-C level. You must define I18N, do not
* define M_I18N_MKS_{FULL,XPG}.
* iii) No I18N. Do not define I18N, do not define M_I18N_MKS_{FULL,XPG}. */
#define I18N 1 /* OBSOLESCENT version of I18N
* This should be removed when all occurances
* of I18N are removed from the MKS code
*/
#define M_I18N 1 /* Do we want internationalized code? To build
* a system where everything gets deleted at
* compile time via #define's when possible,
* this flag should be set. <mks.h> does not
* define I18N, but it is normal to set it.
*/
#define M_I18N_MKS_FULL 1 /* Defining this, indicates you are using
* MKS i18n extension routines
* (e.g m_collrange(), m_collequiv() ...
* localedtconv, localeldconv() ...)
* Defining this to 2 indicates that you
* want to use MKS's implementation of these
* routines and the implementation of MKS's
* format of the locale data files.
* Defining this to 1 indicates you don't want
* MKS's implementation, and you must write
* your own code for m_collrange(), collequiv()
* ...
* note: there are some routines like
* localedtconv which can obtain the
* necessary info from nl_langinfo()
* if this is supported
* See M_I18N_MKS_XPG below
*/
#define M_I18N_MKS_XPG 1 /* This is only useful if M_I18N_MKS_FULL == 1.
* This flag indicates that nl_langinfo()
* is available and can be used to
* retrieve some of the locale information.
* ( used in localeldconv() and localedtconv()
* routines)
*/
#define M_I18N_M_ 1 /* MKS has defined some additions i18n API's.
* (e.g m_collequiv, m_collrange ...)
* This flag indicates that these API's start
* It is the MKS intention that if these
* extentions get approved/standardized
* (by POSIX or ANSI or ...)
* all code will have the m_ removed.
* Since it is not yet approved,
* we are maintaining the mks conventions of
* prefixing our private libraries with m_.
* If you have chosen to implement these
* routines without the m_ do not define
* M_I18N_M_
*/
#define M_I18N_MB 1 /* Define if multibyte character support
* is required.
*/
#define M_LOCALEINFO_IN_DIRECTORY 1
/* This macro indicates if the locale
* information is stored in a directory,
* or in a file.
* For instance, many systems use
* as a directory to store all their locale
* information.
* In this directory is stored the info
* for each supported locale.
* (e.g POSIX, C, en_US, fr, ...)
* It is assumed that there is one entry here
* for each supported locale.
* If these entries are sub-directories,
* then this macro is defined.
* If these entries are files, then do not
* define this macro.
*/
#undef M_I18N_LOCKING_SHIFT /* Define if any multibyte character sets
* used are locking-shift character sets.
*/
#undef M_VARIANTS /* This can be defined on EBCDIC systems
* where the POSIX.2 portable characters are not
* invariant across all the code pages
* supported.
* By defineing this, user is allowed
* to define the encodings
* for these characters as they switch between
* the various code pages by setting up
* the VARIANTS environment variable..
* so that the various utilities will cope
* with the different encodings gracefully.
*/
/* Source code hints:
* if you define this, you will need
* h/variant.h, h/m_invari.h
* libc/mks/getsyntx.c,
*
* If this is not defined, then all you need
* is
*/
/*
* Define the following if you want the corresponding posix define with
* a single leading underscore
*/
#define __POSIX_JOB_CONTROL _POSIX_JOB_CONTROL
#define __POSIX_SAVED_IDS _POSIX_SAVED_IDS
#define __POSIX_NO_TRUNC (-1)
#define __POSIX_VDISABLE 0xff
/*
* On some systems where code size and performance are problems, it
* may be desirable to use a simplified version of the m_loxclose() routine
* in programs that don't require the full functionality. If this is the
* case and routine m_loxqclose() has been provided, define the following
* macro. (Refer to the Library/eXecutable/Object interface documentation
* for more information.
*/
#undef M_LOXQCLOSE
/*
* some systems require overrides after <mks.h> is read.
* If your system requires this, define M_MKSEXTRA_H here
*/
#undef M_MKSEXTRA_H
/*
* mailx configuration
*/
/*
* which contains the length of the body of the message (not including
* the headers) in bytes. Defining M_MAILX_CONTENT_LENGTH_ENABLE will
* turn on code in mailx to generate this header when mail is sent and
* honour it when scanning mailboxes.
*/
#undef M_MAILX_CONTENT_LENGHT_ENABLE
#endif /* 0. not required for POSIX systems; here for documentation only */
#define halloc(n,s) malloc((size_t)((n)*(s)))/* alloc big chunk of mem*/
#define hfree(ptr) free(ptr) /* free big chunk of mem */
#define m_cp(src, dest, ssb, flags) (M_CP_NOOP)
#define rootname(fn) fn /* make relative to root */
/*
* MKS makes use of types that may or may not already be defined in the
* here. (The problem is a lack of #if directive to determine an existing
* typedef.
*/
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
/*
* Define any Optional Facility Configuration Values here.
* See POSIX.2, 2.13.2, Table 2-18
* We define them here as M_ entries; this allows unistd.h to test the
* M_ variable, and if defined, define the official _POSIX2_ variable.
* due to name space contamination problems. A real, conforming implementation
* will manually modify their unistd.h to define the _POSIX2 variables
* appropriately.
*/
#define M_POSIX2_C_BIND 1
#define M_POSIX2_C_DEV 1
#undef M_POSIX2_FORT_DEV
#undef M_POSIX2_FORT_RUN
#define M_POSIX2_LOCALEDEF 1
#define M_POSIX2_SW_DEV 1
/*
*/
#undef M_POSIX_PFNCS_ONLY /* define this to be true if the implementation
* only supports the portable filename
* set as defined in POSIX.1
*/
#undef M_NO_STIME /* set this define to be true if the system
* does not support the stime() API.
*/
#undef M_TTYSTREAM /* if it isn't possible to open a new console
* stream through device names, define this
* macro to be true. The support library must
* return the required stream.
*/
#undef M_NOT_ROOT /* this should be defined to be the name of a
* library routine that returns true if the
* process has appropriate privileges
*/
#undef M_NO_VI_KEYPAD /* this should be defined when the system
* can't support keypad and cursor-key
* functions in vi.
*/
#undef M_USERID_FMT /* format string for printing out the user
* name. It is "%-8.8s" by default.
*/
#undef M_USE_M_CP /* indicates that code is to use the m_cp()
* interface.
* (Note - this API is not fully supported
* in the IPSU.3.X development line. Full
* support will be available in a future
* major release.)
*/
#undef M_GUESS_FILE_TYPE /* If the system provides alternative
* mechanisms for determining the type of a
* file, define this macro to true. If you are
* using this feature, you must provide a new
* function int m_guess_file_type(char *name);
* Returns true if type of file name is
* successfully identified.
* (Note - this API is not fully supported in
* the IPSU.3.X development line. Full
* support will be available in a future
* major release.)
*/
#undef M_INCR_NICE /* default nice incr, if this macro is not
* defined a builtin default will be used
* (see the source for nice for more details.)
*/
#undef M_INCR_RENICE /* default renice incr, if this macro is
* not defined a builtin default will be
* used (see the source for renice for more
* details.)
*/
#undef M_PS_COMM_WIDTH /* width of command field printed by PS */
#undef M_PS_USER_WIDTH /* width of user and ruser fields printed by
* PS
*/
#undef M_PS_PRI_WIDTH /* width of PRI field printed by PS */
#undef M_UT_TIME_STRING /* true if utmp ut_time struct is a string
* instead of a number.
*/
#undef M_SH_ENTRY1
#undef M_SH_ENTRY2
#undef M_SH_ENTRY3
/* The above 3 macros are provide in the
* shell to allow system-specific extensions
* to be added.
* (Note - this API is not fully supported in
* the IPSU.3.X development line. Full
* support will be available in a future
* major release.)
*/
#undef M_NO_CANONICAL_MODE /* set this macro to true if the system
* doesn't support tty buffering in
* canonical mode.
*/
#undef M_NO_PASSWD_SCAN /* true if system doesn't provide a
* mechanism for scanning a list of all
* users on the system.
*/
#define M_GROUP_PASSWD(grp) ""
/* prototype:
* char *M_GROUP_PASSWD(struct group *grp)
* This api returns a pointer to a string
* that contains the password for group 'grp'.
* If no password is available, then an empty string should be
* returned.
*
* On historical UNIX systems, group passwords are found in
* the gr_passwd member in struct group.
* Thus, this macro should be defined as
* #define M_GROUP_PASSWD(grp) grp->gr_passwd
*
* On systems that do not provide group passwords,
* then macro can be defined as an empty string:
* #define M_GROUP_PASSWD(grp) ""
*
*/
#undef M_RCS_NORCSLIB /* Set this macro to true in order
* remove rcslib dependency of utilities
* such as ident.
*/
#undef M_CHMOD_LINK /* Set this macro to true if the system is
* able to perform a chmod() of a link as
* opposed to following the link.
*/
/*
* Include any system-specific prototypes here
*/
/*
* Include any #define's to avoid name clashes with namespace polluting
* operating system routines
*
* e.g.: #define openfile MKSopenfile
*/