diff options
Diffstat (limited to 'epan/tvbuff.h')
| -rw-r--r-- | epan/tvbuff.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/epan/tvbuff.h b/epan/tvbuff.h index e5835516fd..fee28c7f98 100644 --- a/epan/tvbuff.h +++ b/epan/tvbuff.h @@ -886,6 +886,20 @@ WS_DLL_PUBLIC tvbuff_t *tvb_child_uncompress(tvbuff_t *parent, tvbuff_t *tvb, */ extern tvbuff_t* base64_to_tvb(tvbuff_t *parent, const char *base64); +/** + * Extract a variable length integer from a tvbuff. + * Each byte in a varint, except the last byte, has the most significant bit (msb) + * set -- this indicates that there are further bytes to come. For example, + * 1010 1100 0000 0010 is 300 + * + * @param tvb The tvbuff in which we are extracting integer. + * @param offset The offset in tvb from which we begin trying to extract integer. + * @param maxlen The maximum distance from offset that we may try to extract integer + * @param value if parsing succeeds, parsed varint will store here. + * @return the length of this varint in tvb. 0 means parsing failed. + */ +WS_DLL_PUBLIC guint tvb_get_varint(tvbuff_t *tvb, guint offset, guint maxlen, guint64 *value); + /************** END OF ACCESSORS ****************/ /** @} */ |