127 	benv_des_t *bd;  in new_bd()  local
129 	bd = (benv_des_t *)malloc(sizeof (benv_des_t));  in new_bd()
130 	(void) memset(bd, 0, sizeof (benv_des_t));  in new_bd()
132 	bd->elist = new_list();  in new_bd()
134 	return (bd);  in new_bd()
664 init_benv(benv_des_t *bd, char *file)  in init_benv()  argument
674 		bd->name = file;  in init_benv()
676 		bd->name = strcats(boottree, "/solaris/bootenv.rc", NULL);  in init_benv()
680 map_benv(benv_des_t *bd)  in map_benv()  argument
682 	if ((bd->fd = open(bd->name, O_RDONLY)) == -1)  in map_benv()
686 			exit(_error(PERROR, "cannot open %s", bd->name));  in map_benv()
688 	if ((bd->len = (size_t)lseek(bd->fd, 0, SEEK_END)) == 0) {  in map_benv()
689 		if (close(bd->fd) == -1)  in map_benv()
690 			exit(_error(PERROR, "close error on %s", bd->name));  in map_benv()
694 	(void) lseek(bd->fd, 0, SEEK_SET);  in map_benv()
696 	if ((bd->adr = mmap((caddr_t)0, bd->len, (PROT_READ | PROT_WRITE),  in map_benv()
697 	    MAP_PRIVATE, bd->fd, 0)) == MAP_FAILED)  in map_benv()
698 		exit(_error(PERROR, "cannot map %s", bd->name));  in map_benv()
702 unmap_benv(benv_des_t *bd)  in unmap_benv()  argument
704 	if (munmap(bd->adr, bd->len) == -1)  in unmap_benv()
705 		exit(_error(PERROR, "unmap error on %s", bd->name));  in unmap_benv()
707 	if (close(bd->fd) == -1)  in unmap_benv()
708 		exit(_error(PERROR, "close error on %s", bd->name));  in unmap_benv()
718 add_comm(benv_des_t *bd, char *base, char *last, char **next, int *line)  in add_comm()  argument
735 	add_bent(bd->elist, base, NULL, NULL, NULL);  in add_comm()
744 parse_cmd(benv_des_t *bd, char **next, int *line)  in parse_cmd()  argument
783 		exit(_error(NO_PERROR, badeof, bd->name, *line));  in parse_cmd()
793 		exit(_error(NO_PERROR, syntax, bd->name, *line));  in parse_cmd()
803 parse_name(benv_des_t *bd, char **next, int *line)  in parse_name()  argument
815 			exit(_error(NO_PERROR, syntax, bd->name, *line));  in parse_name()
826 		exit(_error(NO_PERROR, badeof, bd->name, *line));  in parse_name()
861 parse_value(benv_des_t *bd, char **next, int *line)  in parse_value()  argument
921 			exit(_error(NO_PERROR, badeof, bd->name, *line));  in parse_value()
949 add_cmd(benv_des_t *bd, char *last, char **next, int *line)  in add_cmd()  argument
954 		if ((cmd = parse_cmd(bd, next, line)) == NULL)  in add_cmd()
956 		name = parse_name(bd, next, line);  in add_cmd()
957 		val = parse_value(bd, next, line);  in add_cmd()
958 		add_bent(bd->elist, NULL, cmd, name, val);  in add_cmd()
969 parse_benv(benv_des_t *bd)  in parse_benv()  argument
976 	pbase = (char *)bd->adr;  in parse_benv()
977 	pend = pbase + bd->len;  in parse_benv()
981 			add_comm(bd, tok, pend, &tnext, &line);  in parse_benv()
983 			add_cmd(bd, pend, &tnext, &line);  in parse_benv()
987 write_benv(benv_des_t *bd)  in write_benv()  argument
994 	list = bd->elist;  in write_benv()
999 	if ((fp = fopen(bd->name, "w")) == NULL)  in write_benv()
1000 		exit(_error(PERROR, "cannot open %s", bd->name));  in write_benv()
1053 	benv_des_t *bd;  in main()  local
1074 	bd = new_bd();  in main()
1075 	init_benv(bd, file);  in main()
1077 	map_benv(bd);  in main()
1078 	if (bd->len) {  in main()
1079 		parse_benv(bd);  in main()
1080 		unmap_benv(bd);  in main()
1083 	elist = bd->elist;  in main()
1112 		write_benv(bd);  in main()