- return 0;
- } else if (isdigit(buf[i]))
- chunk_len = chunk_len * 16 +
- (buf[i++] - '0');
- else if (isupper(buf[i]))
- chunk_len = chunk_len * 16 +
- (buf[i++] - ('A'-10));
- else if (islower(buf[i]))
- chunk_len = chunk_len * 16 +
- (buf[i++] - ('a'-10));
- else
- break;
- if (buf[i] != '\r' || buf[i+1] != '\n' ||
- chunk_len < 0)
- return i+2; /* bad. stop now */
- if (chunk_len == 0)
- {
- /* consider trailing headers .. */
- while(i <= len-4)
- {
- if (buf[i] == '\r' && buf[i+1] == '\n' &&
- buf[i+2] == '\r' && buf[i+3] == '\n')
- if (len >= i+4)
- return i+4;
- i++;
- }
+ return 0;
+}
+
+static int cs_complete_http(const char *buf, int len, int head_only)
+{
+ /* deal with HTTP request/response */
+ int i, content_len = 0, chunked = 0;
+
+ /* need at least one line followed by \n or \r .. */
+ for (i = 0; ; i++)
+ if (i == len)
+ return 0; /* incomplete */
+ else if (buf[i] == '\n' || buf[i] == '\r')
+ break;
+
+ /* check to see if it's a response with content */
+ if (!head_only && !memcmp(buf, "HTTP/", 5))
+ {
+ int j;
+ for (j = 5; j < i; j++)
+ if (buf[j] == ' ')
+ {
+ ++j;
+ if (buf[j] == '1') /* 1XX */
+ ;
+ else if (!memcmp(buf + j, "204", 3))
+ ;
+ else if (!memcmp(buf + j, "304", 3))
+ ;
+ else
+ content_len = -1;
+ break;
+ }
+ }