65 lb_fill(struct line_buffer *lb)  in lb_fill()  argument
69 	lb->pos = lb->eos = lb->buf;	// Reset to no data condition  in lb_fill()
70 	rv = read(lb->fd, lb->buf, sizeof(lb->buf));  in lb_fill()
73 	lb->pos = lb->buf;  in lb_fill()
74 	lb->eos = lb->buf + rv;  in lb_fill()
79 lb_fini(struct line_buffer *lb)  in lb_fini()  argument
81 	close(lb->fd);  in lb_fini()
86 lb_init(struct line_buffer *lb, const char *fn)  in lb_init()  argument
88 	lb->fd = open(fn, O_RDONLY);  in lb_init()
89 	if (lb->fd == -1)  in lb_init()
91 	lb->pos = lb->eos = lb->buf;  in lb_init()
92 	if (!lb_fill(lb)) {  in lb_init()
93 		lb_fini(lb);  in lb_init()
102 lb_1line(struct line_buffer *lb, char *buffer, size_t buflen)  in lb_1line()  argument
108 		if (lb->pos >= lb->eos) {	// Refill empty buffer  in lb_1line()
109 			if (!lb_fill(lb)) {	// Hit EOF / error  in lb_1line()
116 		*walker = *lb->pos++;  in lb_1line()
134 	struct line_buffer lb;  in symbol_addr()  local
138 	if (!lb_init(&lb, KALLSYMS_PATH))  in symbol_addr()
140 	while (lb_1line(&lb, line, sizeof(line))) {  in symbol_addr()
167 			lb_fini(&lb);  in symbol_addr()
176 	lb_fini(&lb);  in symbol_addr()