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Annotation of researchv10dc/cmd/numdate/numdate.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  *     numdate -- command interface to getdate()
                      3:  */
                      4: 
                      5: #include <stdio.h>
                      6: #include <sys/types.h>
                      7: 
                      8: char *malloc();
                      9: 
                     10: main (argc, argv)
                     11:        int argc;
                     12:        char **argv;
                     13: {
                     14:        register char *buf, *p, *arg;
                     15:        register int i, n;
                     16:        time_t t, getdate();
                     17: 
                     18:        /* calculate the length of the date string */
                     19:        n = 1;
                     20:        for (i = 1; i < argc; i++)
                     21:                n += strlen (argv[i]) + 1;
                     22: 
                     23:        /* allocate memory for the string */
                     24:        buf = malloc (n);
                     25:        if (buf == NULL) {
                     26:                fprintf (stderr, "numdate: out of memory\n");
                     27:                exit (1);
                     28:        }
                     29: 
                     30:        /* build the string */
                     31:        p = buf;
                     32:        for (i = 1; i < argc; i++) {
                     33:                arg = argv[i];
                     34:                while (*arg)
                     35:                        *p++ = *arg++;
                     36:                if (i < argc - 1)
                     37:                        *p++ = ' ';
                     38:        }
                     39:        *p++ = '\0';
                     40: 
                     41:        /* attempt to parse it */
                     42:        t = getdate (buf, (time_t) 0);
                     43:        free (buf);
                     44: 
                     45:        /* failed? */
                     46:        if (t == -1) {
                     47:                fprintf (stderr, "numdate: bad argument\n");
                     48:                exit (1);
                     49:        }
                     50: 
                     51:        /* success! */
                     52:        printf ("%ld\n", t);
                     53: 
                     54:        return 0;
                     55: }

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