Function static_hints_to_env

freebsd/kern/subr_hints.c:60–91

 */

static void
static_hints_to_env(void *data __unused)
{
	const char *cp;
	char *line, *eq;
	int eqidx, i;

	cp = static_hints;
	while (cp && *cp != '\0') {
		eq = strchr(cp, '=');
		if (eq == NULL)
			/* Bad hint value */
			continue;
		eqidx = eq - cp;

		i = strlen(cp);
		line = malloc(i + 1, M_TEMP, M_WAITOK);
		strcpy(line, cp);
		line[eqidx] = line[i] = '\0';
		/*
		 * Before adding a hint to the dynamic environment, check if
		 * another value for said hint has already been added.  This is
		 * needed because static environment overrides static hints and
		 * dynamic environment overrides all.
		 */
		if (testenv(line) == 0)
			kern_setenv(line, line + eqidx + 1);
		free(line, M_TEMP);
		cp += i + 1;
	}
	hintenv_merged = true;
}

/* Any time after dynamic env is setup */
SYSINIT(hintenv, SI_SUB_KMEM + 1, SI_ORDER_SECOND, static_hints_to_env, NULL);