BSD 3 release

[unix-history] / usr / src / cmd / ex / ex_tune.h

/* Copyright (c) 1979 Regents of the University of California */
/*
* Definitions of editor parameters and limits
*/

/*
* Pathnames.
*
* Only exstrings is looked at "+4", i.e. if you give
* "/usr/lib/..." here, "/lib" will be tried only for strings.
*/
#include "local/uparm.h"
#define EXRECOVER       libpath(ex3.2recover)
#define EXPRESERVE      libpath(ex3.2preserve)
#ifndef VMUNIX
#define EXSTRINGS       libpath(ex3.2strings)
#endif
#define MASTERTAGS      libpath(tags)

/*
* If your system believes that tabs expand to a width other than
* 8 then your makefile should cc with -DTABS=whatever, otherwise we use 8.
*/
#ifndef TABS
#define TABS    8
#endif

/*
* Maximums
*
* The definition of LBSIZE should be the same as BUFSIZ (512 usually).
* Most other definitions are quite generous.
*/
/* FNSIZE is also defined in expreserve.c */
#define FNSIZE          128             /* File name size */
#ifdef VMUNIX
#define LBSIZE          1024
#define ESIZE           512
#else
#define LBSIZE          512             /* Line length */
#define ESIZE           128             /* Size of compiled re */
#endif
#define RHSSIZE         256             /* Size of rhs of substitute */
#define NBRA            9               /* Number of re \( \) pairs */
#define TAGSIZE         32              /* Tag length */
#define ONMSZ           32              /* Option name size */
#define GBSIZE          256             /* Buffer size */
#define UXBSIZE         128             /* Unix command buffer size */
#define VBSIZE          128             /* Partial line max size in visual */
/* LBLKS is also defined in expreserve.c */
#ifndef VMUNIX
#define LBLKS           125             /* Line pointer blocks in temp file */
#define HBLKS           1               /* struct header fits in BUFSIZ*HBLKS */
#else
#define LBLKS           900
#define HBLKS           2
#endif
#define MAXDIRT         12              /* Max dirtcnt before sync tfile */
#define TCBUFSIZE       1024            /* Max entry size in termcap, see
                                          also termlib and termcap */

/*
* Except on VMUNIX, these are a ridiculously small due to the
* lousy arglist processing implementation which fixes core
* proportional to them.  Argv (and hence NARGS) is really unnecessary,
* and argument character space not needed except when
* arguments exist.  Argument lists should be saved before the "zero"
* of the incore line information and could then
* be reasonably large.
*/
#ifndef VMUNIX
#define NARGS   100             /* Maximum number of names in "next" */
#define NCARGS  LBSIZE          /* Maximum arglist chars in "next" */
#else
#define NCARGS  5120
#define NARGS   (NCARGS/6)
#endif

/*
* Note: because the routine "alloca" is not portable, TUBESIZE
* bytes are allocated on the stack each time you go into visual
* and then never freed by the system.  Thus if you have no terminals
* which are larger than 24 * 80 you may well want to make TUBESIZE
* smaller.  TUBECOLS should stay at 160 since this defines the maximum
* length of opening on hardcopies and allows two lines of open on
* terminals like adm3's (glass tty's) where it switches to pseudo
* hardcopy mode when a line gets longer than 80 characters.
*/
#ifndef VMUNIX
#define TUBELINES       40      /* Number of screen lines for visual */
#define TUBECOLS        160     /* Number of screen columns for visual */
#define TUBESIZE        3400    /* Maximum screen size for visual */
#else
#define TUBELINES       66
#define TUBECOLS        160
#define TUBESIZE        6600    /* 66 * 100 */
#endif

/*
* Output column (and line) are set to this value on cursor addressible
* terminals when we lose track of the cursor to force cursor
* addressing to occur.
*/
#define UKCOL           -20     /* Prototype unknown column */

/*
* Attention is the interrupt character (normally 0177 -- delete).
* Quit is the quit signal (normally FS -- control-\) and quits open/visual.
*/
#define ATTN    0177
#define QUIT    ('\\' & 037)