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Annotation of 42BSD/ucb/ex/ex_tune.h, revision 1.1

1.1     ! root        1: /* Copyright (c) 1981 Regents of the University of California */
        !             2: /*     ex_tune.h       7.5     83/07/02        */
        !             3: /*
        !             4:  * Definitions of editor parameters and limits
        !             5:  */
        !             6: 
        !             7: /*
        !             8:  * Pathnames.
        !             9:  *
        !            10:  * Only exstrings is looked at "+4", i.e. if you give
        !            11:  * "/usr/lib/..." here, "/lib" will be tried only for strings.
        !            12:  */
        !            13: #define libpath(file) "/usr/lib/file"
        !            14: #define loclibpath(file) "/usr/local/lib/file"
        !            15: #define binpath(file) "/usr/ucb/file"
        !            16: #define usrpath(file) "/usr/file"
        !            17: #define E_TERMCAP      "/etc/termcap"
        !            18: #define B_CSH          "/bin/csh"
        !            19: #define        EXRECOVER       libpath(ex3.7recover)
        !            20: #define        EXPRESERVE      libpath(ex3.7preserve)
        !            21: #ifndef VMUNIX
        !            22: #define        EXSTRINGS       libpath(ex3.7strings)
        !            23: #endif
        !            24: 
        !            25: /*
        !            26:  * If your system believes that tabs expand to a width other than
        !            27:  * 8 then your makefile should cc with -DTABS=whatever, otherwise we use 8.
        !            28:  */
        !            29: #ifndef TABS
        !            30: #define        TABS    8
        !            31: #endif
        !            32: 
        !            33: /*
        !            34:  * Maximums
        !            35:  *
        !            36:  * The definition of LBSIZE should be the same as BUFSIZ (512 usually).
        !            37:  * Most other definitions are quite generous.
        !            38:  */
        !            39: /* FNSIZE is also defined in expreserve.c */
        !            40: #define        FNSIZE          128             /* File name size */
        !            41: #ifdef VMUNIX
        !            42: #define        LBSIZE          1024
        !            43: #define        ESIZE           512
        !            44: #define CRSIZE         1024
        !            45: #else
        !            46: #ifdef u370
        !            47: #define LBSIZE         4096
        !            48: #define ESIZE          512
        !            49: #define CRSIZE         4096
        !            50: #else
        !            51: #define        LBSIZE          512             /* Line length */
        !            52: #define        ESIZE           128             /* Size of compiled re */
        !            53: #define CRSIZE         512
        !            54: #endif
        !            55: #endif
        !            56: #define        RHSSIZE         256             /* Size of rhs of substitute */
        !            57: #define        NBRA            9               /* Number of re \( \) pairs */
        !            58: #define        TAGSIZE         32              /* Tag length */
        !            59: #define        ONMSZ           64              /* Option name size */
        !            60: #define        GBSIZE          256             /* Buffer size */
        !            61: #define        UXBSIZE         128             /* Unix command buffer size */
        !            62: #define        VBSIZE          128             /* Partial line max size in visual */
        !            63: /* LBLKS is also defined in expreserve.c */
        !            64: #ifndef VMUNIX
        !            65: #define        LBLKS           125             /* Line pointer blocks in temp file */
        !            66: #define        HBLKS           1               /* struct header fits in BUFSIZ*HBLKS */
        !            67: #else
        !            68: #define        LBLKS           900
        !            69: #define        HBLKS           2
        !            70: #endif
        !            71: #define        MAXDIRT         12              /* Max dirtcnt before sync tfile */
        !            72: #define TCBUFSIZE      1024            /* Max entry size in termcap, see
        !            73:                                           also termlib and termcap */
        !            74: 
        !            75: /*
        !            76:  * Except on VMUNIX, these are a ridiculously small due to the
        !            77:  * lousy arglist processing implementation which fixes core
        !            78:  * proportional to them.  Argv (and hence NARGS) is really unnecessary,
        !            79:  * and argument character space not needed except when
        !            80:  * arguments exist.  Argument lists should be saved before the "zero"
        !            81:  * of the incore line information and could then
        !            82:  * be reasonably large.
        !            83:  */
        !            84: #undef NCARGS
        !            85: #ifndef VMUNIX
        !            86: #define        NARGS   100             /* Maximum number of names in "next" */
        !            87: #define        NCARGS  LBSIZE          /* Maximum arglist chars in "next" */
        !            88: #else
        !            89: #define        NCARGS  5120
        !            90: #define        NARGS   (NCARGS/6)
        !            91: #endif
        !            92: 
        !            93: /*
        !            94:  * Note: because the routine "alloca" is not portable, TUBESIZE
        !            95:  * bytes are allocated on the stack each time you go into visual
        !            96:  * and then never freed by the system.  Thus if you have no terminals
        !            97:  * which are larger than 24 * 80 you may well want to make TUBESIZE
        !            98:  * smaller.  TUBECOLS should stay at 160 since this defines the maximum
        !            99:  * length of opening on hardcopies and allows two lines of open on
        !           100:  * terminals like adm3's (glass tty's) where it switches to pseudo
        !           101:  * hardcopy mode when a line gets longer than 80 characters.
        !           102:  */
        !           103: #ifndef VMUNIX
        !           104: #define        TUBELINES       60      /* Number of screen lines for visual */
        !           105: #define        TUBECOLS        160     /* Number of screen columns for visual */
        !           106: #define        TUBESIZE        5000    /* Maximum screen size for visual */
        !           107: #else
        !           108: #define        TUBELINES       66
        !           109: #define        TUBECOLS        160
        !           110: #define        TUBESIZE        6600    /* 66 * 100 */
        !           111: #endif
        !           112: 
        !           113: /*
        !           114:  * Output column (and line) are set to this value on cursor addressible
        !           115:  * terminals when we lose track of the cursor to force cursor
        !           116:  * addressing to occur.
        !           117:  */
        !           118: #define        UKCOL           -20     /* Prototype unknown column */
        !           119: 
        !           120: /*
        !           121:  * Attention is the interrupt character (normally 0177 -- delete).
        !           122:  * Quit is the quit signal (normally FS -- control-\) and quits open/visual.
        !           123:  */
        !           124: #define        ATTN    (-2)    /* mjm: (char) ??  */
        !           125: #define        QUIT    ('\\' & 037)

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