68 lws_ranges_next(struct lws_range_parsing *rp)  in lws_ranges_next()  argument
74 		char c = rp->buf[rp->pos];  in lws_ranges_next()
76 		switch (rp->state) {  in lws_ranges_next()
82 			rp->state = LWSRS_COMPLETED;  in lws_ranges_next()
86 			if (c != beq[rp->pos]) {  in lws_ranges_next()
87 				rp->state = LWSRS_SYNTAX;  in lws_ranges_next()
90 			if (rp->pos == 5)  in lws_ranges_next()
91 				rp->state = LWSRS_FIRST;  in lws_ranges_next()
95 			rp->start = 0;  in lws_ranges_next()
96 			rp->end = 0;  in lws_ranges_next()
97 			rp->start_valid = 0;  in lws_ranges_next()
98 			rp->end_valid = 0;  in lws_ranges_next()
100 			rp->state = LWSRS_STARTING;  in lws_ranges_next()
106 				rp->state = LWSRS_ENDING;  in lws_ranges_next()
111 				rp->state = LWSRS_SYNTAX;  in lws_ranges_next()
114 …rp->start = (unsigned long long)(((unsigned long long)rp->start * 10) + (unsigned long long)(c - '…  in lws_ranges_next()
115 			rp->start_valid = 1;  in lws_ranges_next()
120 				rp->state = LWSRS_FIRST;  in lws_ranges_next()
122 					rp->pos++;  in lws_ranges_next()
129 				if (!rp->start_valid) { /* eg, -500 */  in lws_ranges_next()
130 					if (rp->end > rp->extent)  in lws_ranges_next()
131 						rp->end = rp->extent;  in lws_ranges_next()
133 					rp->start = rp->extent - rp->end;  in lws_ranges_next()
134 					rp->end = rp->extent - 1;  in lws_ranges_next()
136 					if (!rp->end_valid)  in lws_ranges_next()
137 						rp->end = rp->extent - 1;  in lws_ranges_next()
139 				rp->did_try = 1;  in lws_ranges_next()
142 				if (rp->end < rp->start) {  in lws_ranges_next()
145 					rp->state = LWSRS_COMPLETED;  in lws_ranges_next()
153 				rp->state = LWSRS_SYNTAX;  in lws_ranges_next()
156 …rp->end = (unsigned long long)(((unsigned long long)rp->end * 10) + (unsigned long long)(c - '0'));  in lws_ranges_next()
157 			rp->end_valid = 1;  in lws_ranges_next()
161 		rp->pos++;  in lws_ranges_next()
166 lws_ranges_reset(struct lws_range_parsing *rp)  in lws_ranges_reset()  argument
168 	rp->pos = 0;  in lws_ranges_reset()
169 	rp->ctr = 0;  in lws_ranges_reset()
170 	rp->start = 0;  in lws_ranges_reset()
171 	rp->end = 0;  in lws_ranges_reset()
172 	rp->start_valid = 0;  in lws_ranges_reset()
173 	rp->end_valid = 0;  in lws_ranges_reset()
174 	rp->state = LWSRS_BYTES_EQ;  in lws_ranges_reset()
181 lws_ranges_init(struct lws *wsi, struct lws_range_parsing *rp,  in lws_ranges_init()  argument
184 	rp->agg = 0;  in lws_ranges_init()
185 	rp->send_ctr = 0;  in lws_ranges_init()
186 	rp->inside = 0;  in lws_ranges_init()
187 	rp->count_ranges = 0;  in lws_ranges_init()
188 	rp->did_try = 0;  in lws_ranges_init()
189 	lws_ranges_reset(rp);  in lws_ranges_init()
190 	rp->state = LWSRS_COMPLETED;  in lws_ranges_init()
192 	rp->extent = extent;  in lws_ranges_init()
194 	if (lws_hdr_copy(wsi, (char *)rp->buf, sizeof(rp->buf),  in lws_ranges_init()
198 	rp->state = LWSRS_BYTES_EQ;  in lws_ranges_init()
200 	while (lws_ranges_next(rp)) {  in lws_ranges_init()
201 		rp->count_ranges++;  in lws_ranges_init()
202 		rp->agg += rp->end - rp->start + 1;  in lws_ranges_init()
205 	lwsl_debug("%s: count %d\n", __func__, rp->count_ranges);  in lws_ranges_init()
206 	lws_ranges_reset(rp);  in lws_ranges_init()
208 	if (rp->did_try && !rp->count_ranges)  in lws_ranges_init()
211 	lws_ranges_next(rp);  in lws_ranges_init()
213 	return rp->count_ranges;  in lws_ranges_init()