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Annotation of 3BSD/cmd/ex/ex_tune.h, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1979 Regents of the University of California */
                      2: /*
                      3:  * Definitions of editor parameters and limits
                      4:  */
                      5: 
                      6: /*
                      7:  * Pathnames.
                      8:  *
                      9:  * Only exstrings is looked at "+4", i.e. if you give
                     10:  * "/usr/lib/..." here, "/lib" will be tried only for strings.
                     11:  */
                     12: #include "local/uparm.h"
                     13: #define        EXRECOVER       libpath(ex3.2recover)
                     14: #define        EXPRESERVE      libpath(ex3.2preserve)
                     15: #ifndef VMUNIX
                     16: #define        EXSTRINGS       libpath(ex3.2strings)
                     17: #endif
                     18: #define        MASTERTAGS      libpath(tags)
                     19: 
                     20: /*
                     21:  * If your system believes that tabs expand to a width other than
                     22:  * 8 then your makefile should cc with -DTABS=whatever, otherwise we use 8.
                     23:  */
                     24: #ifndef TABS
                     25: #define        TABS    8
                     26: #endif
                     27: 
                     28: /*
                     29:  * Maximums
                     30:  *
                     31:  * The definition of LBSIZE should be the same as BUFSIZ (512 usually).
                     32:  * Most other definitions are quite generous.
                     33:  */
                     34: /* FNSIZE is also defined in expreserve.c */
                     35: #define        FNSIZE          128             /* File name size */
                     36: #ifdef VMUNIX
                     37: #define        LBSIZE          1024
                     38: #define        ESIZE           512
                     39: #else
                     40: #define        LBSIZE          512             /* Line length */
                     41: #define        ESIZE           128             /* Size of compiled re */
                     42: #endif
                     43: #define        RHSSIZE         256             /* Size of rhs of substitute */
                     44: #define        NBRA            9               /* Number of re \( \) pairs */
                     45: #define        TAGSIZE         32              /* Tag length */
                     46: #define        ONMSZ           32              /* Option name size */
                     47: #define        GBSIZE          256             /* Buffer size */
                     48: #define        UXBSIZE         128             /* Unix command buffer size */
                     49: #define        VBSIZE          128             /* Partial line max size in visual */
                     50: /* LBLKS is also defined in expreserve.c */
                     51: #ifndef VMUNIX
                     52: #define        LBLKS           125             /* Line pointer blocks in temp file */
                     53: #define        HBLKS           1               /* struct header fits in BUFSIZ*HBLKS */
                     54: #else
                     55: #define        LBLKS           900
                     56: #define        HBLKS           2
                     57: #endif
                     58: #define        MAXDIRT         12              /* Max dirtcnt before sync tfile */
                     59: #define TCBUFSIZE      1024            /* Max entry size in termcap, see
                     60:                                           also termlib and termcap */
                     61: 
                     62: /*
                     63:  * Except on VMUNIX, these are a ridiculously small due to the
                     64:  * lousy arglist processing implementation which fixes core
                     65:  * proportional to them.  Argv (and hence NARGS) is really unnecessary,
                     66:  * and argument character space not needed except when
                     67:  * arguments exist.  Argument lists should be saved before the "zero"
                     68:  * of the incore line information and could then
                     69:  * be reasonably large.
                     70:  */
                     71: #ifndef VMUNIX
                     72: #define        NARGS   100             /* Maximum number of names in "next" */
                     73: #define        NCARGS  LBSIZE          /* Maximum arglist chars in "next" */
                     74: #else
                     75: #define        NCARGS  5120
                     76: #define        NARGS   (NCARGS/6)
                     77: #endif
                     78: 
                     79: /*
                     80:  * Note: because the routine "alloca" is not portable, TUBESIZE
                     81:  * bytes are allocated on the stack each time you go into visual
                     82:  * and then never freed by the system.  Thus if you have no terminals
                     83:  * which are larger than 24 * 80 you may well want to make TUBESIZE
                     84:  * smaller.  TUBECOLS should stay at 160 since this defines the maximum
                     85:  * length of opening on hardcopies and allows two lines of open on
                     86:  * terminals like adm3's (glass tty's) where it switches to pseudo
                     87:  * hardcopy mode when a line gets longer than 80 characters.
                     88:  */
                     89: #ifndef VMUNIX
                     90: #define        TUBELINES       40      /* Number of screen lines for visual */
                     91: #define        TUBECOLS        160     /* Number of screen columns for visual */
                     92: #define        TUBESIZE        3400    /* Maximum screen size for visual */
                     93: #else
                     94: #define        TUBELINES       66
                     95: #define        TUBECOLS        160
                     96: #define        TUBESIZE        6600    /* 66 * 100 */
                     97: #endif
                     98: 
                     99: /*
                    100:  * Output column (and line) are set to this value on cursor addressible
                    101:  * terminals when we lose track of the cursor to force cursor
                    102:  * addressing to occur.
                    103:  */
                    104: #define        UKCOL           -20     /* Prototype unknown column */
                    105: 
                    106: /*
                    107:  * Attention is the interrupt character (normally 0177 -- delete).
                    108:  * Quit is the quit signal (normally FS -- control-\) and quits open/visual.
                    109:  */
                    110: #define        ATTN    0177
                    111: #define        QUIT    ('\\' & 037)

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