diff options
| author | guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7> | 2003-11-06 09:47:06 +0000 |
|---|---|---|
| committer | guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7> | 2003-11-06 09:47:06 +0000 |
| commit | 3e04c18deb280cd878549959a2f11bd7b3f175c5 (patch) | |
| tree | 27f48f416f5b38464f7f3e4ef81df888689acb79 /doc | |
| parent | ceb68336b199f21e18f931fbaa1b7631b308eba9 (diff) | |
Warn people not to use the "numbered argument" feature that many UNIX
printf's implement.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@8898 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.developer | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/doc/README.developer b/doc/README.developer index 4a2d8ac4bb..0e8746f285 100644 --- a/doc/README.developer +++ b/doc/README.developer @@ -1,4 +1,4 @@ -$Id: README.developer,v 1.84 2003/10/28 05:50:52 guy Exp $ +$Id: README.developer,v 1.85 2003/11/06 09:47:06 guy Exp $ This file is a HOWTO for Ethereal developers. It describes how to start coding a Ethereal protocol dissector and the use some of the important functions and @@ -198,6 +198,18 @@ as to avoid collisions with other names - this might be more of an issue on Windows, as it appears to #define names such as DELETE and OPTIONAL. +Don't use the "numbered argument" feature that many UNIX printf's +implement, e.g.: + + sprintf(add_string, " - (%1$d) (0x%1$04x)", value); + +as not all UNIX printf's implement it, and Windows printf doesn't appear +to implement it. Use something like + + sprintf(add_string, " - (%d) (0x%04x)", value, value); + +instead. + 1.1.2 Name convention. Ethereal uses the underscore_convention rather than the InterCapConvention for @@ -235,7 +247,7 @@ code inside is needed only if you are using the "snprintf()" function. -The "$Id: README.developer,v 1.84 2003/10/28 05:50:52 guy Exp $" +The "$Id: README.developer,v 1.85 2003/11/06 09:47:06 guy Exp $" in the comment will be updated by CVS when the file is checked in; it will allow the RCS "ident" command to report which version of the file is currently checked out. @@ -245,7 +257,7 @@ version of the file is currently checked out. * Routines for PROTONAME dissection * Copyright 2000, YOUR_NAME <YOUR_EMAIL_ADDRESS> * - * $Id: README.developer,v 1.84 2003/10/28 05:50:52 guy Exp $ + * $Id: README.developer,v 1.85 2003/11/06 09:47:06 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> |