2 * Copyright (c) 2022 Omar Polo <op@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 int parse(FILE *, const char *);
29 fprintf(stderr, "usage: %s [file...]\n",
35 main(int argc, char **argv)
38 const char *out = NULL;
41 while ((ch = getopt(argc, argv, "Go:")) != -1) {
56 if (out && (fp = fopen(out, "w")) == NULL)
57 err(1, "can't open %s", out);
59 if (out && unveil(out, "wc") == -1)
60 err(1, "unveil %s", out);
61 if (unveil("/", "r") == -1)
63 if (pledge(out ? "stdio rpath cpath" : "stdio rpath", NULL) == -1)
68 if (parse(fp, "/dev/stdin") == -1)
71 for (i = 0; i < argc; ++i)
72 if (parse(fp, argv[i]) == -1)
79 if (fclose(fp) == -1) {
89 if (out && unlink(out) == -1)
90 err(1, "unlink %s", out);