static void

parse_post(struct plist *p)

{

	const char *env;

	char *token;

	if ((env = getenv("FORCE_POST")) == NULL)

		return;

	p->post_patterns.buf = xstrdup(env);

	while ((token = strsep(&p->post_patterns.buf, " \t")) != NULL) {

		if (token[0] == '\0')

			continue;

		if (p->post_patterns.len >= p->post_patterns.cap) {

			p->post_patterns.cap += 10;

			p->post_patterns.patterns = xrealloc(p->post_patterns.patterns, p->post_patterns.cap * sizeof (char *));

		}

		p->post_patterns.patterns[p->post_patterns.len++] = token;

	}

}

static bool

should_be_post(char *cmd, struct plist *p)

{

	size_t i;

	if (p->post_patterns.patterns == NULL)

		parse_post(p);

	if (p->post_patterns.patterns == NULL)

		return (false);

	for (i = 0; i < p->post_patterns.len ; i++)

		if (strstr(cmd, p->post_patterns.patterns[i]))

			return (true);

	return (false);

}