1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
= nng_msg_alloc(3)
//
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// This document is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
== NAME
nng_msg_alloc - allocate a message
== SYNOPSIS
[source, c]
-----------
#include <nng/nng.h>
int nng_msg_alloc(nng_msg **msgp, size_t size);
-----------
== DESCRIPTION
The `nng_msg_alloc()` function allocates a new message with body length _size_
and stores the result in __msgp__.
Messages allocated with this function contain a body and optionally a header.
They are used with receive and transmit functions.
== RETURN VALUES
This function returns 0 on success, and non-zero otherwise.
== ERRORS
`NNG_ENOMEM`:: Insufficient free memory exists to allocate a message.
== SEE ALSO
<<nng_msg_free#,nng_msg_free(3)>>,
<<nng_msg_body#,nng_msg_body(3)>>,
<<nng_msg_dup#,nng_msg_dup(3)>>,
<<nng_msg_header#,nng_msg_header(3)>>,
<<nng_msg_header_len#,nng_msg_header_len(3)>>,
<<nng_msg_len#,nng_msg_len(3)>>,
<<nng_msg_realloc#,nng_msg_realloc(3)>>,
<<nng_strerror#,nng_strerror(3)>>,
<<nng#,nng(7)>>
|
