72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/*
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* fractal
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* Written in 2020 by Lucas
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* CC0 1.0 Universal/Public domain - No rights reserved
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*
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* To the extent possible under law, the author(s) have dedicated all
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* copyright and related and neighboring rights to this software to the
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* public domain worldwide. This software is distributed without any
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* warranty. You should have received a copy of the CC0 Public Domain
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* Dedication along with this software. If not, see
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* <http://creativecommons.org/publicdomain/zero/1.0/>.
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*/
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/* gepopt visibility for GLIBC */
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#if !defined(__OpenBSD__)
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#define _DEFAULT_SOURCE
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#endif
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "util.h"
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int palette_main(int, char *[]);
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int julia_main(int, char *[]);
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static void
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usage(void)
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{
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fprintf(stderr, "Usage: %s [-s seed] <prog> [prog_args]\n",
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xgetprogname());
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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long seed;
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int ch;
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seed = time(NULL);
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while ((ch = getopt(argc, argv, "s:")) != -1)
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switch (ch) {
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case 's':
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seed = parse_integer(optarg, LONG_MIN, LONG_MAX);
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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optind = 1;
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if (argc == 0)
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usage();
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fprintf(stderr, "seed=%ld\n", seed);
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xsrand48(seed);
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if (strcmp(argv[0], "palette") == 0)
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return palette_main(argc, argv);
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else if (strcmp(argv[0], "julia") == 0)
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return julia_main(argc, argv);
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else
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usage();
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return 1; /* UNREACHABLE */
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}
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