Annotation of 42BSD/ucb/ex/ex_tune.h, revision 1.1.1.1

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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