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Annotation of 3BSD/cmd/calendar/calendar.c, revision 1.1.1.1

1.1       root        1: /* /usr/lib/calendar produces an egrep -f file
                      2:    that will select today's and tomorrow's
                      3:    calendar entries, with special weekend provisions
                      4: 
                      5:    used by calendar command
                      6: */
                      7: #include <time.h>
                      8: 
                      9: #define DAY (3600*24L)
                     10: 
                     11: char *month[] = {
                     12:        "[Jj]an",
                     13:        "[Ff]eb",
                     14:        "[Mm]ar",
                     15:        "[Aa]pr",
                     16:        "[Mm]ay",
                     17:        "[Jj]un",
                     18:        "[Jj]ul",
                     19:        "[Aa]ug",
                     20:        "[Ss]ep",
                     21:        "[Oo]ct",
                     22:        "[Nn]ov",
                     23:        "[Dd]ec"
                     24: };
                     25: struct tm *localtime();
                     26: 
                     27: tprint(t)
                     28: long t;
                     29: {
                     30:        struct tm *tm;
                     31:        tm = localtime(&t);
                     32:        printf("(^|[ (,;])((%s[^ ]* *|%d/)0*%d)([^0123456789]|$)\n",
                     33:                month[tm->tm_mon], tm->tm_mon + 1, tm->tm_mday);
                     34: }
                     35: 
                     36: main()
                     37: {
                     38:        long t;
                     39:        time(&t);
                     40:        tprint(t);
                     41:        switch(localtime(&t)->tm_wday) {
                     42:        case 5:
                     43:                t += DAY;
                     44:                tprint(t);
                     45:        case 6:
                     46:                t += DAY;
                     47:                tprint(t);
                     48:        default:
                     49:                t += DAY;
                     50:                tprint(t);
                     51:        }
                     52: }

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