diff --git a/Makefile.inc b/Makefile.inc index bf249344..32278589 100644 --- a/Makefile.inc +++ b/Makefile.inc @@ -67,6 +67,7 @@ MANPAGES = ares_cancel.3 \ ares_expand_name.3 \ ares_expand_string.3 \ ares_fds.3 \ + ares_free_data.3 \ ares_free_hostent.3 \ ares_free_string.3 \ ares_gethostbyaddr.3 \ @@ -102,6 +103,7 @@ HTMLPAGES = ares_cancel.html \ ares_expand_name.html \ ares_expand_string.html \ ares_fds.html \ + ares_free_data.html \ ares_free_hostent.html \ ares_free_string.html \ ares_gethostbyaddr.html \ @@ -137,6 +139,7 @@ PDFPAGES = ares_cancel.pdf \ ares_expand_name.pdf \ ares_expand_string.pdf \ ares_fds.pdf \ + ares_free_data.pdf \ ares_free_hostent.pdf \ ares_free_string.pdf \ ares_gethostbyaddr.pdf \ diff --git a/ares_free_data.3 b/ares_free_data.3 new file mode 100644 index 00000000..c9ec5980 --- /dev/null +++ b/ares_free_data.3 @@ -0,0 +1,62 @@ +.\" $Id$ +.\" +.\" Copyright 1998 by the Massachusetts Institute of Technology. +.\" Copyright (C) 2004-2009 by Daniel Stenberg +.\" +.\" Permission to use, copy, modify, and distribute this +.\" software and its documentation for any purpose and without +.\" fee is hereby granted, provided that the above copyright +.\" notice appear in all copies and that both that copyright +.\" notice and this permission notice appear in supporting +.\" documentation, and that the name of M.I.T. not be used in +.\" advertising or publicity pertaining to distribution of the +.\" software without specific, written prior permission. +.\" M.I.T. makes no representations about the suitability of +.\" this software for any purpose. It is provided "as is" +.\" without express or implied warranty. +.\" +.TH ARES_FREE_DATA 3 "20 Nov 2009" +.SH NAME +ares_free_data \- Free data allocated by several c-ares functions +.SH SYNOPSIS +.nf +.B #include +.PP +.B void ares_free_data(void *\fIdataptr\fP) +.PP +.B cc file.c -lcares +.fi +.SH DESCRIPTION +.PP +The +.B ares_free_data(3) +function frees one or more data structures allocated and returned +by several c-ares functions. Specifically the data returned by the +following list of functions must be deallocated using this function. +.TP 5 +.B ares_parse_srv_reply(3) +When used to free the data returned by ares_parse_srv_reply(3) this +will free the whole linked list of ares_srv_reply structures returned +by ares_parse_srv_reply(3), along with any additional storage +associated with those structures. +.TP +.B ares_parse_txt_reply(3) +When used to free the data returned by ares_parse_txt_reply(3) this +will free the whole linked list of ares_txt_reply structures returned +by ares_parse_txt_reply(3), along with any additional storage +associated with those structures. +.SH RETURN VALUE +The ares_free_data() function does not return a value. +.SH AVAILABILITY +This function was first introduced in c-ares version 1.6.1 along with the +definition of preprocessor symbol \fICARES_HAVE_ARES_FREE_DATA\fP as an +indication of the availability of this function. +.SH SEE ALSO +.BR ares_parse_srv_reply(3), +.BR ares_parse_txt_reply(3) +.SH AUTHOR +Yang Tse +.PP +Copyright 1998 by the Massachusetts Institute of Technology. +.br +Copyright (C) 2004-2009 by Daniel Stenberg.