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Annotation of 43BSDReno/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: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)save.c     5.6 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: #include       "mille.h"
                     25: #include       <sys/types.h>
                     26: #include       <sys/stat.h>
                     27: #include       <string.h>
                     28: #ifndef        unctrl
                     29: #include       "unctrl.h"
                     30: #endif
                     31: 
                     32: # ifdef        attron
                     33: #      include <term.h>
                     34: #      define  _tty    cur_term->Nttyb
                     35: # endif        attron
                     36: 
                     37: /*
                     38:  * @(#)save.c  1.2 (Berkeley) 3/28/83
                     39:  */
                     40: 
                     41: typedef        struct stat     STAT;
                     42: 
                     43: char   *ctime();
                     44: 
                     45: int    read(), write();
                     46: 
                     47: /*
                     48:  *     This routine saves the current game for use at a later date
                     49:  */
                     50: 
                     51: save() {
                     52: 
                     53:        extern int      errno;
                     54:        reg char        *sp;
                     55:        reg int         outf;
                     56:        reg time_t      *tp;
                     57:        char            buf[80];
                     58:        time_t          tme;
                     59:        STAT            junk;
                     60: 
                     61:        tp = &tme;
                     62:        if (Fromfile && getyn(SAMEFILEPROMPT))
                     63:                strcpy(buf, Fromfile);
                     64:        else {
                     65: over:
                     66:                prompt(FILEPROMPT);
                     67:                leaveok(Board, FALSE);
                     68:                refresh();
                     69:                sp = buf;
                     70:                while ((*sp = readch()) != '\n') {
                     71:                        if (*sp == killchar())
                     72:                                goto over;
                     73:                        else if (*sp == erasechar()) {
                     74:                                if (--sp < buf)
                     75:                                        sp = buf;
                     76:                                else {
                     77:                                        addch('\b');
                     78:                                        /*
                     79:                                         * if the previous char was a control
                     80:                                         * char, cover up two characters.
                     81:                                         */
                     82:                                        if (*sp < ' ')
                     83:                                                addch('\b');
                     84:                                        clrtoeol();
                     85:                                }
                     86:                        }
                     87:                        else {
                     88:                                addstr(unctrl(*sp));
                     89:                                ++sp;
                     90:                        }
                     91:                        refresh();
                     92:                }
                     93:                *sp = '\0';
                     94:                leaveok(Board, TRUE);
                     95:        }
                     96: 
                     97:        /*
                     98:         * check for existing files, and confirm overwrite if needed
                     99:         */
                    100: 
                    101:        if (sp == buf || (!Fromfile && stat(buf, &junk) > -1
                    102:            && getyn(OVERWRITEFILEPROMPT) == FALSE))
                    103:                return FALSE;
                    104: 
                    105:        if ((outf = creat(buf, 0644)) < 0) {
                    106:                error(strerror(errno));
                    107:                return FALSE;
                    108:        }
                    109:        mvwaddstr(Score, ERR_Y, ERR_X, buf);
                    110:        wrefresh(Score);
                    111:        time(tp);                       /* get current time             */
                    112:        strcpy(buf, ctime(tp));
                    113:        for (sp = buf; *sp != '\n'; sp++)
                    114:                continue;
                    115:        *sp = '\0';
                    116:        varpush(outf, write);
                    117:        close(outf);
                    118:        wprintw(Score, " [%s]", buf);
                    119:        wclrtoeol(Score);
                    120:        wrefresh(Score);
                    121:        return TRUE;
                    122: }
                    123: 
                    124: /*
                    125:  *     This does the actual restoring.  It returns TRUE if the
                    126:  * backup was made on exiting, in which case certain things must
                    127:  * be cleaned up before the game starts.
                    128:  */
                    129: rest_f(file)
                    130: reg char       *file; {
                    131: 
                    132:        reg char        *sp;
                    133:        reg int         inf;
                    134:        char            buf[80];
                    135:        STAT            sbuf;
                    136: 
                    137:        if ((inf = open(file, 0)) < 0) {
                    138:                perror(file);
                    139:                exit(1);
                    140:        }
                    141:        if (fstat(inf, &sbuf) < 0) {            /* get file stats       */
                    142:                perror(file);
                    143:                exit(1);
                    144:        }
                    145:        varpush(inf, read);
                    146:        close(inf);
                    147:        strcpy(buf, ctime(&sbuf.st_mtime));
                    148:        for (sp = buf; *sp != '\n'; sp++)
                    149:                continue;
                    150:        *sp = '\0';
                    151:        /*
                    152:         * initialize some necessary values
                    153:         */
                    154:        (void)sprintf(Initstr, "%s [%s]\n", file, buf);
                    155:        Fromfile = file;
                    156:        return !On_exit;
                    157: }
                    158: 

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