Return to options.c CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / ucb / tn3270 / ctlr

Annotation of 43BSDTahoe/ucb/tn3270/ctlr/options.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1988 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that this notice is preserved and that due credit is given
                      7:  * to the University of California at Berkeley. The name of the University
                      8:  * may not be used to endorse or promote products derived from this
                      9:  * software without specific prior written permission. This software
                     10:  * is provided ``as is'' without express or implied warranty.
                     11:  */
                     12: 
                     13: #ifndef lint
                     14: static char sccsid[] = "@(#)options.c  3.2 (Berkeley) 3/28/88";
                     15: #endif /* not lint */
                     16: 
                     17: /*
                     18:  * this file contains the definitions, initialization, and processing of
                     19:  *     commands to handle the various local options (APL ON, etc.)
                     20:  */
                     21: 
                     22: #include "options.h"
                     23: 
                     24: #include "../general/globals.h"
                     25: #include "options.ext"
                     26: 
                     27: void
                     28: OptInit()
                     29: {
                     30:     register int i;
                     31: 
                     32:     OptAPLmode = 0;
                     33:     OptNullProcessing = 1;             /* improved null processing */
                     34:     OptZonesMode = 0;          /* zones mode off */
                     35:     OptEnterNL = 0;            /* regular enter/new line keys */
                     36:     OptColFieldTab = 0;                /* regular column/field tab keys */
                     37:     OptPacing = 1;                     /* do pacing */
                     38:     OptAlphaInNumeric = 0;             /* allow alpha in numeric fields */
                     39:     for (i = 0; i < sizeof OptColTabs; i++) {
                     40:        OptColTabs[i] = ((i%8) == 0);   /* every 8 columns */
                     41:     }
                     42:     OptHome = 0;
                     43:     OptLeftMargin = 0;
                     44:     OptWordWrap = 0;
                     45: }
                     46: 
                     47: OptOrder(pointer, count, control)
                     48: char *pointer;
                     49: int count;
                     50: int control;
                     51: {
                     52:     int i, j, character, origCount;
                     53: 
                     54:     origCount = count;
                     55: 
                     56:     if (count == 0) {
                     57:        return(0);
                     58:     }
                     59:     character = *pointer&0xff;
                     60:     pointer++;
                     61:     count--;
                     62:     switch (character) {
                     63:     case 0xa0:
                     64:        OptAPLmode = 1;
                     65:        break;
                     66:     case 0x61:
                     67:        OptAPLmode = 0;
                     68:        break;
                     69:     case 0x95:
                     70:        OptNullProcessing = 0;
                     71:        break;
                     72:     case 0xd5:
                     73:        OptNullProcessing = 1;
                     74:        break;
                     75:     case 0xa9:
                     76:        OptZonesMode = 1;
                     77:        break;
                     78:     case 0xe9:
                     79:        OptZonesMode = 0;
                     80:        break;
                     81:     case 0x85:
                     82:        OptEnterNL = 1;
                     83:        break;
                     84:     case 0xc5:
                     85:        OptEnterNL = 0;
                     86:        break;
                     87:     case 0x83:
                     88:        OptColFieldTab = 1;
                     89:        break;
                     90:     case 0xc3:
                     91:        OptColFieldTab = 0;
                     92:        break;
                     93:     case 0x97:
                     94:        OptPacing = 0;
                     95:        break;
                     96:     case 0xd7:
                     97:        OptPacing = 1;
                     98:        break;
                     99:     case 0xa5:
                    100:        OptAlphaInNumeric = 1;
                    101:        break;
                    102:     case 0xe5:
                    103:        OptAlphaInNumeric = 0;
                    104:        break;
                    105:     case 0xe3:
                    106:        if (!control && count < 30) {
                    107:            return(0);          /* want more! */
                    108:        }
                    109:        for (i = 0; i < sizeof OptColTabs; i++) {
                    110:            OptColTabs[i] = 0;
                    111:        }
                    112:        if (!count) {
                    113:            break;
                    114:        }
                    115:        j = (*pointer&0xff)-0x40;
                    116:        count--;
                    117:        pointer++;
                    118:        if (j < 0 || j >= 24) {
                    119:            break;
                    120:        }
                    121:        OptHome = j;
                    122:        if (!count) {
                    123:            break;
                    124:        }
                    125:        j = (*pointer&0xff)-0x40;
                    126:        count--;
                    127:        pointer++;
                    128:        if (j < 0 || j >= 80) {
                    129:            break;
                    130:        }
                    131:        OptLeftMargin = j;
                    132:        if (!count) {
                    133:            break;
                    134:        }
                    135:        i = count;
                    136:        if (i > 28) {
                    137:            i = 28;
                    138:        }
                    139:        while (i) {
                    140:            j = (*pointer&0xff)-0x40;
                    141:            if (j < 0 || j >= sizeof OptColTabs) {
                    142:                break;
                    143:            }
                    144:            OptColTabs[j] = 1;
                    145:            i --;
                    146:            pointer++;
                    147:            count--;
                    148:        }
                    149:        break;
                    150:     case 0xa6:
                    151:        OptWordWrap = 1;
                    152:        break;
                    153:     case 0xe6:
                    154:        OptWordWrap = 0;
                    155:        break;
                    156:     default:
                    157:        break;
                    158:     }
                    159:     return(origCount - count);
                    160: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.