- {
- /* inside chunked body .. */
- while(1)
- {
- int chunk_len = 0;
-#if CHUNK_DEBUG
- if (i < len-2)
- {
- printf ("\n<<<");
- int j;
- for (j = i; j <= i+3; j++)
- printf ("%c", buf[j]);
- printf (">>>\n");
- }
-#endif
- /* read chunk length */
- while (1)
- if (i >= len-2) {
-#if CHUNK_DEBUG
- printf ("returning incomplete read at 1\n");
- printf ("i=%d len=%d\n", i, len);
-#endif
- 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 (chunk_len == 0)
- break;
- if (chunk_len < 0)
- return i;
-
- while (1)
- {
- if (i >= len -1)
- return 0;
- if (skip_crlf(buf, len, &i))
- break;
- i++;
- }
- /* got CRLF */
-#if CHUNK_DEBUG
- printf ("chunk_len=%d\n", chunk_len);
-#endif
- i += chunk_len;
- if (i >= len-2)
- return 0;
- if (!skip_crlf(buf, len, &i))
- return 0;
- }
- /* consider trailing headers .. */
- while (i < len)
- {
- if (skip_crlf(buf, len, &i))
- {
- if (skip_crlf(buf, len, &i))
- return i;
- }
- else
- i++;
- }
-#if CHUNK_DEBUG
- printf ("returning incomplete read at 2\n");
- printf ("i=%d len=%d\n", i, len);
-#endif
- return 0;
- }