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Annotation of 43BSD/ucb/ex/ex_tune.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)ex_tune.h   7.8 (Berkeley) 5/31/85
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Definitions of editor parameters and limits
        !            11:  */
        !            12: 
        !            13: /*
        !            14:  * Pathnames.
        !            15:  *
        !            16:  * Only exstrings is looked at "+4", i.e. if you give
        !            17:  * "/usr/lib/..." here, "/lib" will be tried only for strings.
        !            18:  */
        !            19: #define libpath(file) "/usr/lib/file"
        !            20: #define loclibpath(file) "/usr/local/lib/file"
        !            21: #define binpath(file) "/usr/ucb/file"
        !            22: #define usrpath(file) "/usr/file"
        !            23: #define E_TERMCAP      "/etc/termcap"
        !            24: #define B_CSH          "/bin/csh"
        !            25: #define        EXRECOVER       libpath(ex3.7recover)
        !            26: #define        EXPRESERVE      libpath(ex3.7preserve)
        !            27: #ifndef VMUNIX
        !            28: #define        EXSTRINGS       libpath(ex3.7strings)
        !            29: #endif
        !            30: 
        !            31: /*
        !            32:  * If your system believes that tabs expand to a width other than
        !            33:  * 8 then your makefile should cc with -DTABS=whatever, otherwise we use 8.
        !            34:  */
        !            35: #ifndef TABS
        !            36: #define        TABS    8
        !            37: #endif
        !            38: 
        !            39: /*
        !            40:  * Maximums
        !            41:  *
        !            42:  * The definition of LBSIZE should be the same as BUFSIZ (512 usually).
        !            43:  * Most other definitions are quite generous.
        !            44:  */
        !            45: /* FNSIZE is also defined in expreserve.c */
        !            46: #define        FNSIZE          128             /* File name size */
        !            47: #ifdef VMUNIX
        !            48: #define        LBSIZE          1024
        !            49: #define        ESIZE           512
        !            50: #define CRSIZE         1024
        !            51: #else
        !            52: #ifdef u370
        !            53: #define LBSIZE         4096
        !            54: #define ESIZE          512
        !            55: #define CRSIZE         4096
        !            56: #else
        !            57: #define        LBSIZE          512             /* Line length */
        !            58: #define        ESIZE           128             /* Size of compiled re */
        !            59: #define CRSIZE         512
        !            60: #endif
        !            61: #endif
        !            62: #define        RHSSIZE         256             /* Size of rhs of substitute */
        !            63: #define        NBRA            9               /* Number of re \( \) pairs */
        !            64: #define        TAGSIZE         128             /* Tag length */
        !            65: #define        ONMSZ           64              /* Option name size */
        !            66: #define        GBSIZE          256             /* Buffer size */
        !            67: #define        UXBSIZE         128             /* Unix command buffer size */
        !            68: #define        VBSIZE          128             /* Partial line max size in visual */
        !            69: /* LBLKS is also defined in expreserve.c */
        !            70: #ifndef VMUNIX
        !            71: #define        LBLKS           125             /* Line pointer blocks in temp file */
        !            72: #define        HBLKS           1               /* struct header fits in BUFSIZ*HBLKS */
        !            73: #else
        !            74: #define        LBLKS           900
        !            75: #define        HBLKS           2
        !            76: #endif
        !            77: #define        MAXDIRT         12              /* Max dirtcnt before sync tfile */
        !            78: #define TCBUFSIZE      1024            /* Max entry size in termcap, see
        !            79:                                           also termlib and termcap */
        !            80: 
        !            81: /*
        !            82:  * Except on VMUNIX, these are a ridiculously small due to the
        !            83:  * lousy arglist processing implementation which fixes core
        !            84:  * proportional to them.  Argv (and hence NARGS) is really unnecessary,
        !            85:  * and argument character space not needed except when
        !            86:  * arguments exist.  Argument lists should be saved before the "zero"
        !            87:  * of the incore line information and could then
        !            88:  * be reasonably large.
        !            89:  */
        !            90: #undef NCARGS
        !            91: #ifndef VMUNIX
        !            92: #define        NARGS   100             /* Maximum number of names in "next" */
        !            93: #define        NCARGS  LBSIZE          /* Maximum arglist chars in "next" */
        !            94: #else
        !            95: #define        NCARGS  5120
        !            96: #define        NARGS   (NCARGS/6)
        !            97: #endif
        !            98: 
        !            99: /*
        !           100:  * Note: because the routine "alloca" is not portable, TUBESIZE
        !           101:  * bytes are allocated on the stack each time you go into visual
        !           102:  * and then never freed by the system.  Thus if you have no terminals
        !           103:  * which are larger than 24 * 80 you may well want to make TUBESIZE
        !           104:  * smaller.  TUBECOLS should stay at 160 since this defines the maximum
        !           105:  * length of opening on hardcopies and allows two lines of open on
        !           106:  * terminals like adm3's (glass tty's) where it switches to pseudo
        !           107:  * hardcopy mode when a line gets longer than 80 characters.
        !           108:  */
        !           109: #ifndef VMUNIX
        !           110: #define        TUBELINES       60      /* Number of screen lines for visual */
        !           111: #define        TUBECOLS        160     /* Number of screen columns for visual */
        !           112: #define        TUBESIZE        5000    /* Maximum screen size for visual */
        !           113: #else
        !           114: #define        TUBELINES       70
        !           115: #define        TUBECOLS        160
        !           116: #define        TUBESIZE        7000    /* 70 * 100 */
        !           117: #endif
        !           118: 
        !           119: /*
        !           120:  * Output column (and line) are set to this value on cursor addressible
        !           121:  * terminals when we lose track of the cursor to force cursor
        !           122:  * addressing to occur.
        !           123:  */
        !           124: #define        UKCOL           -20     /* Prototype unknown column */
        !           125: 
        !           126: /*
        !           127:  * Attention is the interrupt character (normally 0177 -- delete).
        !           128:  * Quit is the quit signal (normally FS -- control-\) and quits open/visual.
        !           129:  */
        !           130: #define        ATTN    (-2)    /* mjm: (char) ??  */
        !           131: #define        QUIT    ('\\' & 037)

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