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| author | Yogesh Chaudhari <mr.yogesh@gmail.com> | 2013-10-08 21:42:42 +0200 |
|---|---|---|
| committer | Ondřej Bílka <neleai@seznam.cz> | 2013-10-08 21:42:42 +0200 |
| commit | b86835ca92a1942ed08d8b5ee47498e711feaddb (patch) | |
| tree | fa4151229252d075d8f7797e799fcd779fbcba51 /manual/socket.texi | |
| parent | 7d0c5ed0fe4ea1230fd47710ff355faa125ba546 (diff) | |
| download | glibc-b86835ca92a1942ed08d8b5ee47498e711feaddb.zip glibc-b86835ca92a1942ed08d8b5ee47498e711feaddb.tar.gz glibc-b86835ca92a1942ed08d8b5ee47498e711feaddb.tar.bz2 | |
Update gethostbyname2_r documentation. Fixes bug #156.
Diffstat (limited to 'manual/socket.texi')
| -rw-r--r-- | manual/socket.texi | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/manual/socket.texi b/manual/socket.texi index e187402..25c35c4 100644 --- a/manual/socket.texi +++ b/manual/socket.texi @@ -1290,14 +1290,17 @@ pointer and the size of the buffer in the @var{buf} and @var{buflen} parameters. A pointer to the buffer, in which the result is stored, is available in -@code{*@var{result}} after the function call successfully returned. If -an error occurs or if no entry is found, the pointer @code{*@var{result}} -is a null pointer. Success is signalled by a zero return value. If the -function failed the return value is an error number. In addition to the -errors defined for @code{gethostbyname} it can also be @code{ERANGE}. -In this case the call should be repeated with a larger buffer. -Additional error information is not stored in the global variable -@code{h_errno} but instead in the object pointed to by @var{h_errnop}. +@code{*@var{result}} after the function call successfully returned. The +buffer passed as the @var{buf} parameter can be freed only once the caller +has finished with the result hostent struct, or has copied it including all +the other memory that it points to. If an error occurs or if no entry is +found, the pointer @code{*@var{result}} is a null pointer. Success is +signalled by a zero return value. If the function failed the return value +is an error number. In addition to the errors defined for +@code{gethostbyname} it can also be @code{ERANGE}. In this case the call +should be repeated with a larger buffer. Additional error information is +not stored in the global variable @code{h_errno} but instead in the object +pointed to by @var{h_errnop}. Here's a small example: @smallexample |