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Annotation of researchv10no/cmd/ex/ex_tune.h, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1981 Regents of the University of California */
                      2: /* sccs id:    @(#)ex_tune.h   7.3     9/3/81  */
                      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: #include "local/uparm.h"
                     14: #define        EXRECOVER       libpath(ex3.7recover)
                     15: #define        EXPRESERVE      libpath(ex3.7preserve)
                     16: #ifndef VMUNIX
                     17: #define        EXSTRINGS       libpath(ex3.7strings)
                     18: #endif
                     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: #define CRSIZE         1024
                     40: #else
                     41: #ifdef u370
                     42: #define LBSIZE         4096
                     43: #define ESIZE          512
                     44: #define CRSIZE         4096
                     45: #else
                     46: #define        LBSIZE          512             /* Line length */
                     47: #define        ESIZE           128             /* Size of compiled re */
                     48: #define CRSIZE         512
                     49: #endif
                     50: #endif
                     51: #define        RHSSIZE         256             /* Size of rhs of substitute */
                     52: #define        NBRA            9               /* Number of re \( \) pairs */
                     53: #define        TAGSIZE         32              /* Tag length */
                     54: #define        ONMSZ           64              /* Option name size */
                     55: #define        GBSIZE          256             /* Buffer size */
                     56: #define        UXBSIZE         128             /* Unix command buffer size */
                     57: #define        VBSIZE          128             /* Partial line max size in visual */
                     58: /* LBLKS is also defined in expreserve.c */
                     59: #ifndef VMUNIX
                     60: #define        LBLKS           125             /* Line pointer blocks in temp file */
                     61: #define        HBLKS           1               /* struct header fits in BUFSIZ*HBLKS */
                     62: #else
                     63: #define        LBLKS           900
                     64: #define        HBLKS           2
                     65: #endif
                     66: #define        MAXDIRT         12              /* Max dirtcnt before sync tfile */
                     67: 
                     68: /* Max entry size in termcap, see also termlib and termcap */
                     69: #define TCBUFSIZE      1024
                     70: 
                     71: /*
                     72:  * Except on VMUNIX, these are a ridiculously small due to the
                     73:  * lousy arglist processing implementation which fixes core
                     74:  * proportional to them.  Argv (and hence NARGS) is really unnecessary,
                     75:  * and argument character space not needed except when
                     76:  * arguments exist.  Argument lists should be saved before the "zero"
                     77:  * of the incore line information and could then
                     78:  * be reasonably large.
                     79:  */
                     80: #ifndef VMUNIX
                     81: #define        NARGS   100             /* Maximum number of names in "next" */
                     82: #define        NCARGS  LBSIZE          /* Maximum arglist chars in "next" */
                     83: #else
                     84: #define        NCARGS  5120
                     85: #define        NARGS   (NCARGS/6)
                     86: #endif
                     87: 
                     88: /*
                     89:  * Note: because the routine "alloca" is not portable, TUBESIZE
                     90:  * bytes are allocated on the stack each time you go into visual
                     91:  * and then never freed by the system.  Thus if you have no terminals
                     92:  * which are larger than 24 * 80 you may well want to make TUBESIZE
                     93:  * smaller.  TUBECOLS should stay at 160 since this defines the maximum
                     94:  * length of opening on hardcopies and allows two lines of open on
                     95:  * terminals like adm3's (glass tty's) where it switches to pseudo
                     96:  * hardcopy mode when a line gets longer than 80 characters.
                     97:  */
                     98: #ifndef VMUNIX
                     99: #define        TUBELINES       60      /* Number of screen lines for visual */
                    100: #define        TUBECOLS        160     /* Number of screen columns for visual */
                    101: #define        TUBESIZE        5000    /* Maximum screen size for visual */
                    102: #else
                    103: #define        TUBELINES       128
                    104: #define        TUBECOLS        160
                    105: #define        TUBESIZE        (TUBELINES*TUBECOLS)
                    106: #endif
                    107: 
                    108: /*
                    109:  * Output column (and line) are set to this value on cursor addressible
                    110:  * terminals when we lose track of the cursor to force cursor
                    111:  * addressing to occur.
                    112:  */
                    113: #define        UKCOL           -20     /* Prototype unknown column */
                    114: 
                    115: /*
                    116:  * Attention is the interrupt character (normally 0177 -- delete).
                    117:  * Quit is the quit signal (normally FS -- control-\) and quits open/visual.
                    118:  */
                    119: #define        ATTN    (-2)    /* mjm: (char) ??  */
                    120: #define        QUIT    ('\\' & 037)

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