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Annotation of 43BSDTahoe/games/mille/save.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 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 the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: static char sccsid[] = "@(#)save.c     5.4 (Berkeley) 6/18/88";
                     20: #endif /* not lint */
                     21: 
                     22: #include       "mille.h"
                     23: #include       <sys/types.h>
                     24: #include       <sys/stat.h>
                     25: #ifndef        unctrl
                     26: #include       "unctrl.h"
                     27: #endif
                     28: 
                     29: # ifdef        attron
                     30: #      include <term.h>
                     31: #      define  _tty    cur_term->Nttyb
                     32: # endif        attron
                     33: 
                     34: /*
                     35:  * @(#)save.c  1.2 (Berkeley) 3/28/83
                     36:  */
                     37: 
                     38: typedef        struct stat     STAT;
                     39: 
                     40: char   *ctime();
                     41: 
                     42: int    read(), write();
                     43: 
                     44: /*
                     45:  *     This routine saves the current game for use at a later date
                     46:  */
                     47: extern int     errno;
                     48: extern char    *sys_errlist[];
                     49: 
                     50: save() {
                     51: 
                     52:        reg char        *sp;
                     53:        reg int         outf;
                     54:        reg time_t      *tp;
                     55:        char            buf[80];
                     56:        time_t          tme;
                     57:        STAT            junk;
                     58: 
                     59:        tp = &tme;
                     60:        if (Fromfile && getyn(SAMEFILEPROMPT))
                     61:                strcpy(buf, Fromfile);
                     62:        else {
                     63: over:
                     64:                prompt(FILEPROMPT);
                     65:                leaveok(Board, FALSE);
                     66:                refresh();
                     67:                sp = buf;
                     68:                while ((*sp = readch()) != '\n') {
                     69:                        if (*sp == killchar())
                     70:                                goto over;
                     71:                        else if (*sp == erasechar()) {
                     72:                                if (--sp < buf)
                     73:                                        sp = buf;
                     74:                                else {
                     75:                                        addch('\b');
                     76:                                        /*
                     77:                                         * if the previous char was a control
                     78:                                         * char, cover up two characters.
                     79:                                         */
                     80:                                        if (*sp < ' ')
                     81:                                                addch('\b');
                     82:                                        clrtoeol();
                     83:                                }
                     84:                        }
                     85:                        else {
                     86:                                addstr(unctrl(*sp));
                     87:                                ++sp;
                     88:                        }
                     89:                        refresh();
                     90:                }
                     91:                *sp = '\0';
                     92:                leaveok(Board, TRUE);
                     93:        }
                     94: 
                     95:        /*
                     96:         * check for existing files, and confirm overwrite if needed
                     97:         */
                     98: 
                     99:        if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
                    100:            && getyn(OVERWRITEFILEPROMPT) == FALSE))
                    101:                return FALSE;
                    102: 
                    103:        if ((outf = creat(buf, 0644)) < 0) {
                    104:                error(sys_errlist[errno]);
                    105:                return FALSE;
                    106:        }
                    107:        mvwaddstr(Score, ERR_Y, ERR_X, buf);
                    108:        wrefresh(Score);
                    109:        time(tp);                       /* get current time             */
                    110:        strcpy(buf, ctime(tp));
                    111:        for (sp = buf; *sp != '\n'; sp++)
                    112:                continue;
                    113:        *sp = '\0';
                    114:        varpush(outf, write);
                    115:        close(outf);
                    116:        wprintw(Score, " [%s]", buf);
                    117:        wclrtoeol(Score);
                    118:        wrefresh(Score);
                    119:        return TRUE;
                    120: }
                    121: 
                    122: /*
                    123:  *     This does the actual restoring.  It returns TRUE if the
                    124:  * backup was made on exiting, in which case certain things must
                    125:  * be cleaned up before the game starts.
                    126:  */
                    127: rest_f(file)
                    128: reg char       *file; {
                    129: 
                    130:        reg char        *sp;
                    131:        reg int         inf;
                    132:        char            buf[80];
                    133:        STAT            sbuf;
                    134: 
                    135:        if ((inf = open(file, 0)) < 0) {
                    136:                perror(file);
                    137:                exit(1);
                    138:        }
                    139:        if (fstat(inf, &sbuf) < 0) {            /* get file stats       */
                    140:                perror(file);
                    141:                exit(1);
                    142:        }
                    143:        varpush(inf, read);
                    144:        close(inf);
                    145:        strcpy(buf, ctime(&sbuf.st_mtime));
                    146:        for (sp = buf; *sp != '\n'; sp++)
                    147:                continue;
                    148:        *sp = '\0';
                    149:        /*
                    150:         * initialize some necessary values
                    151:         */
                    152:        (void)sprintf(Initstr, "%s [%s]\n", file, buf);
                    153:        Fromfile = file;
                    154:        return !On_exit;
                    155: }
                    156: 

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