diff options
| author | Anders Broman <anders.broman@ericsson.com> | 2008-07-30 12:30:02 +0000 |
|---|---|---|
| committer | Anders Broman <anders.broman@ericsson.com> | 2008-07-30 12:30:02 +0000 |
| commit | 876e7510699d5c390d046cbdc2140a840d62aac7 (patch) | |
| tree | 4502a89da9e2468035310118d1d429f0bf0abf13 /doc | |
| parent | 832a507988340d11b67c0a39770c47d3c0f8e337 (diff) | |
From Alexey Neyman :
Implement BASE_CUSTOM display type
svn path=/trunk/; revision=25870
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.developer | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/doc/README.developer b/doc/README.developer index df2a98bb3a..f797e4521e 100644 --- a/doc/README.developer +++ b/doc/README.developer @@ -985,7 +985,7 @@ FIELDTYPE FT_NONE, FT_BOOLEAN, FT_UINT8, FT_UINT16, FT_UINT24, FT_UINT_STRING, FT_ETHER, FT_BYTES, FT_IPv4, FT_IPv6, FT_IPXNET, FT_FRAMENUM, FT_PROTOCOL, FT_GUID, FT_OID FIELDBASE BASE_NONE, BASE_DEC, BASE_HEX, BASE_OCT, BASE_DEC_HEX, - BASE_HEX_DEC, BASE_RANGE_STRING + BASE_HEX_DEC, BASE_RANGE_STRING, BASE_CUSTOM FIELDCONVERT VALS(x), RVALS(x), TFS(x), NULL BITMASK Usually 0x0 unless using the TFS(x) field conversion. FIELDDESCR A brief description of the field, or NULL. @@ -1575,12 +1575,22 @@ are: BASE_HEX, BASE_OCT, BASE_DEC_HEX, - BASE_HEX_DEC + BASE_HEX_DEC, + BASE_CUSTOM BASE_DEC, BASE_HEX, and BASE_OCT are decimal, hexadecimal, and octal, respectively. BASE_DEC_HEX and BASE_HEX_DEC display value in two bases (the 1st representation followed by the 2nd in parenthesis). +BASE_CUSTOM allows one to specify a callback function pointer that will +format the value. The function pointer of the same type as defined by +custom_fmt_func_t in epan/proto.h, specifically: + + void func(gchar *, guint32); + +The first argument is a pointer to a buffer of the ITEM_LABEL_LENGTH size +and the second argument is the value to be formatted. + For FT_BOOLEAN fields that are also bitfields, 'display' is used to tell the proto_tree how wide the parent bitfield is. With integers this is not needed since the type of integer itself (FT_UINT8, FT_UINT16, |