/* xsh_date.c - xsh_date */

#include 
#include 
#include 

/*------------------------------------------------------------------------
 * xsh_date - obtain and print the current month, day, year, and time
 *------------------------------------------------------------------------
 */
shellcmd xsh_date(int nargs, char *args[]) {

        int32   retval;                 /* Return value                 */
        uint32  now;                    /* Current local time           */
        char    datestr[64];            /* Printable date in ascii      */

        /* Output info for '--help' argument */

        if (nargs == 2 && strncmp(args[1], "--help", 7) == 0) {
                printf("Usage: %s\n\n", args[0]);
                printf("Description:\n");
                printf("\tDisplays the current date and time\n");
                printf("Options (one per invocation):\n");
                printf("\t-f\tforce a time server request to be sent\n");
                printf("\t-d\tset daylight savings time on\n");
                printf("\t-s\tset standard time (not daylight savings)\n");
                printf("\t-a\tset daylight savings to automatic\n");
                printf("\t--help\tdisplay this help and exit\n");
                return 0;
        }

        /* Check argument count */

        if (nargs > 2) {
                fprintf(stderr, "%s: too many arguments\n", args[0]);
                fprintf(stderr, "Try '%s --help' for more information\n",
                        args[0]);
                return 1;
        }

        if (nargs == 2) {
                if (strncmp(args[1], "-f", 3) == 0) {
                        Date.dt_bootvalid = FALSE;
                } else if (strncmp(args[1], "-d", 3) == 0) {
                        Date.dt_daylight = DATE_DST_ON;
                } else if (strncmp(args[1], "-s", 3) == 0) {
                        Date.dt_daylight = DATE_DST_OFF;
                } else if (strncmp(args[1], "-a", 3) == 0) {
                        Date.dt_daylight = DATE_DST_AUTO;
                } else {
                        fprintf(stderr, "%s: invalid argument\n", args[0]);
                        fprintf(stderr,
                                "Try '%s --help' for more information\n",
                                args[0]);
                        return 1;
                }
        }

        retval = gettime(&now);
        if (retval == SYSERR) {
                fprintf(stderr,
                        "%s: could not obtain the current date\n",
                        args[0]);
                return 1;
        }
        ascdate(now, datestr);
        printf("%s\n", datestr);
        return 0;
}