diff options
Diffstat (limited to 'epan/tvbuff.h')
| -rw-r--r-- | epan/tvbuff.h | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/epan/tvbuff.h b/epan/tvbuff.h index be7db043f3..9e15612105 100644 --- a/epan/tvbuff.h +++ b/epan/tvbuff.h @@ -221,18 +221,29 @@ WS_DLL_PUBLIC tvbuff_t *tvb_new_composite(void); WS_DLL_PUBLIC void tvb_composite_finalize(tvbuff_t *tvb); -/* Get total length of buffer */ -WS_DLL_PUBLIC guint tvb_length(const tvbuff_t *tvb); +/* Get amount of captured data in the buffer (which is *NOT* necessarily the + * length of the packet). You probably want tvb_reported_length instead. */ +WS_DLL_PUBLIC guint tvb_captured_length(const tvbuff_t *tvb); + +/* DEPRECATED, do not use in new code, call tvb_captured_length directly! */ +#define tvb_length tvb_captured_length /** Computes bytes to end of buffer, from offset (which can be negative, * to indicate bytes from end of buffer). Function returns 0 if offset is - * either at the end of the buffer or out of bounds. No exception is thrown. */ -WS_DLL_PUBLIC gint tvb_length_remaining(const tvbuff_t *tvb, const gint offset); + * either at the end of the buffer or out of bounds. No exception is thrown. + * You probably want tvb_reported_length_remaining instead. */ +WS_DLL_PUBLIC gint tvb_captured_length_remaining(const tvbuff_t *tvb, const gint offset); + +/* DEPRECATED, do not use in new code, call tvb_captured_length_remaining directly! */ +#define tvb_length_remaining tvb_captured_length_remaining /** Same as above, but throws an exception if the offset is out of bounds. */ -WS_DLL_PUBLIC guint tvb_ensure_length_remaining(const tvbuff_t *tvb, +WS_DLL_PUBLIC guint tvb_ensure_captured_length_remaining(const tvbuff_t *tvb, const gint offset); +/* DEPRECATED, do not use in new code, call tvb_ensure_captured_length_remaining directly! */ +#define tvb_ensure_length_remaining tvb_ensure_captured_length_remaining + /* Checks (w/o throwing exception) that the bytes referred to by * 'offset'/'length' actually exist in the buffer */ WS_DLL_PUBLIC gboolean tvb_bytes_exist(const tvbuff_t *tvb, const gint offset, @@ -472,23 +483,20 @@ extern gchar *tvb_format_stringzpad_wsp(tvbuff_t *tvb, const gint offset, * * Throws an exception if the tvbuff ends before the string does. * - * tvb_get_string() handles 7-bit ASCII strings, with characters - * with the 8th bit set are converted to the - * Unicode REPLACEMENT CHARACTER. + * Takes a string encoding as well, and converts to UTF-8 from the encoding, + * possibly mapping some characters to the Unicode REPLACEMENT CHARACTER. * - * tvb_get_string_enc() takes a string encoding as well, and converts to UTF-8 - * from the encoding, possibly mapping some characters - * to the REPLACEMENT CHARACTER. - * - * If scope is set to NULL it is the user's responsibility to g_free() - * the memory allocated by tvb_memdup(). Otherwise memory is - * automatically freed when the scope lifetime is reached. + * If scope is set to NULL it is the user's responsibility to wmem_free() + * the memory allocated. Otherwise memory is automatically freed when the scope + * lifetime is reached. */ -WS_DLL_PUBLIC guint8 *tvb_get_string(wmem_allocator_t *scope, tvbuff_t *tvb, - const gint offset, const gint length); WS_DLL_PUBLIC guint8 *tvb_get_string_enc(wmem_allocator_t *scope, tvbuff_t *tvb, const gint offset, const gint length, const guint encoding); +/* DEPRECATED, do not use in new code, call tvb_get_string_enc directly! */ +#define tvb_get_string(SCOPE, TVB, OFFSET, LENGTH) \ + tvb_get_string_enc(SCOPE, TVB, OFFSET, LENGTH, ENC_ASCII) + /** * Given a tvbuff, a bit offset, and a number of characters, allocate * a buffer big enough to hold a non-null-terminated string of no_of_chars |