On Dec 17 19:29, Warren Young wrote: > On this page > > http://cygwin.com/1.7/cygwin-api/func-cygwin-conv-path.html > > the size parameter should say whether it's measured in bytes or > characters. > > For instance, if I pass CCP_POSIX_TO_WIN_W for the first parameter > and a pure ASCII file name for the 'from' parameter, it's obvious > the 'to' buffer needs to be at least 2x the size of 'from'. The > question the docs don't answer is whether I should pass >= > 2*(strlen(from)+1) for size or >= strlen(from)+1?
I really thought that would be clear from the description of what happens if size is 0: "If size is 0, cygwin_conv_path just returns the required buffer size in bytes." and the subsequent example code which uses the size returned by cygwin_conv_path in a call to malloc and then, unchanged in the next cygwin_conv_path call. I suggest to implement it as in the example. Otherwise you will potentially need a buffer of 64K to return the path in it. Alternatively just use the cygwin_create_path function which will malloc the buffer for you. I'll change the description so that the value of "size" should be clear from the beginning. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
