NN_REALLOCMSG

Section: nanomsg 1.1.5 (3)
Updated: 2021-01-26
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NAME

nn_reallocmsg - reallocate a message

SYNOPSIS

#include <nanomsg/nn.h>

void *nn_reallocmsg (void *msg, size_t size);

DESCRIPTION

Reallocate a message previously allocated by nn_allocmsg(3) or received from a peer using NN_MSG mechanism.

Note that as with the standard realloc, the operation may involve copying the data in the buffer.

RETURN VALUE

If the function succeeds pointer to newly allocated buffer is returned. Otherwise, NULL is returned and errno is set to to one of the values defined below.

ERRORS

ENOMEM

: Not enough memory to allocate the message.

EXAMPLE

void *buf = nn_allocmsg (12, 0);
void *newbuf = nn_reallocmsg (buf, 20);
nn_freemsg (newbuf);