+int parseheadersb(struct hthead *head, struct bufio *in)
+{
+ int c, state;
+ struct charbuf name, val;
+ size_t tsz;
+
+ bufinit(name);
+ bufinit(val);
+ state = 0;
+ tsz = 0;
+ while(1) {
+ c = biogetc(in);
+ if(++tsz >= 65536)
+ goto fail;
+ again:
+ if(state == 0) {
+ if(c == '\r') {
+ } else if(c == '\n') {
+ break;
+ } else if(c == EOF) {
+ goto fail;
+ } else {
+ state = 1;
+ goto again;
+ }
+ } else if(state == 1) {
+ if(c == ':') {
+ trim(&name);
+ bufadd(name, 0);
+ state = 2;
+ } else if(c == '\r') {
+ } else if(c == '\n') {
+ goto fail;
+ } else if(c == EOF) {
+ goto fail;
+ } else {
+ bufadd(name, c);
+ }
+ } else if(state == 2) {
+ if(c == '\r') {
+ } else if(c == '\n') {
+ trim(&val);
+ bufadd(val, 0);
+ headappheader(head, name.b, val.b);
+ buffree(name);
+ buffree(val);
+ state = 0;
+ } else if(c == EOF) {
+ goto fail;
+ } else {
+ bufadd(val, c);
+ }
+ }
+ }
+ return(0);
+
+fail:
+ buffree(name);
+ buffree(val);
+ return(-1);
+}
+
+struct hthead *parseresponse(FILE *in)
+{
+ struct hthead *req;
+ int code;
+ struct charbuf ver, msg;
+ int c;
+
+ req = NULL;
+ bufinit(ver);
+ bufinit(msg);
+ code = 0;
+ while(1) {
+ c = getc(in);
+ if(c == ' ') {
+ break;
+ } else if((c == EOF) || (c < 32) || (c >= 128)) {
+ goto fail;
+ } else {
+ bufadd(ver, c);
+ if(ver.d >= 128)
+ goto fail;
+ }
+ }
+ while(1) {
+ c = getc(in);
+ if(c == ' ') {
+ break;
+ } else if((c == EOF) || (c < '0') || (c > '9')) {
+ goto fail;
+ } else {
+ code = (code * 10) + (c - '0');
+ if(code >= 10000)
+ goto fail;
+ }
+ }
+ while(1) {
+ c = getc(in);
+ if(c == 10) {
+ break;
+ } else if(c == 13) {
+ } else if((c == EOF) || (c < 32)) {
+ goto fail;
+ } else {
+ bufadd(msg, c);
+ if(msg.d >= 512)
+ goto fail;
+ }
+ }
+ bufadd(msg, 0);
+ bufadd(ver, 0);
+ req = mkresp(code, msg.b, ver.b);
+ if(parseheaders(req, in))
+ goto fail;
+ goto out;
+
+fail:
+ if(req != NULL) {
+ freehthead(req);
+ req = NULL;
+ }
+out:
+ buffree(msg);
+ buffree(ver);
+ return(req);
+}
+
+struct hthead *parseresponseb(struct bufio *in)
+{
+ struct hthead *req;
+ int code;
+ struct charbuf ver, msg;
+ int c;
+
+ req = NULL;
+ bufinit(ver);
+ bufinit(msg);
+ code = 0;
+ while(1) {
+ c = biogetc(in);
+ if(c == ' ') {
+ break;
+ } else if((c == EOF) || (c < 32) || (c >= 128)) {
+ goto fail;
+ } else {
+ bufadd(ver, c);
+ if(ver.d >= 128)
+ goto fail;
+ }
+ }
+ while(1) {
+ c = biogetc(in);
+ if(c == ' ') {
+ break;
+ } else if((c == EOF) || (c < '0') || (c > '9')) {
+ goto fail;
+ } else {
+ code = (code * 10) + (c - '0');
+ if(code >= 10000)
+ goto fail;
+ }
+ }
+ while(1) {
+ c = biogetc(in);
+ if(c == 10) {
+ break;
+ } else if(c == 13) {
+ } else if((c == EOF) || (c < 32)) {
+ goto fail;
+ } else {
+ bufadd(msg, c);
+ if(msg.d >= 512)
+ goto fail;
+ }
+ }
+ bufadd(msg, 0);
+ bufadd(ver, 0);
+ req = mkresp(code, msg.b, ver.b);
+ if(parseheadersb(req, in))
+ goto fail;
+ goto out;
+
+fail:
+ if(req != NULL) {
+ freehthead(req);
+ req = NULL;
+ }
+out:
+ buffree(msg);
+ buffree(ver);
+ return(req);
+}
+