libevl/eshi/proxy.c

42 lines
781 B
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 Philippe Gerum <rpm@xenomai.org>
*/
#include <stdarg.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <evl/thread.h>
#include <evl/proxy.h>
#include "internal.h"
static __thread __attribute__ ((tls_model (EVL_TLS_MODEL)))
char fmt_buf[1024];
int evl_vprint_proxy(int proxyfd, const char *fmt, va_list ap)
{
ssize_t count, ret;
count = vsnprintf(fmt_buf, sizeof(fmt_buf), fmt, ap);
if (count < 0)
return -errno; /* Assume POSIX beahvior. */
ret = write(proxyfd, fmt_buf, count);
return ret < 0 ? -errno : ret;
}
int evl_print_proxy(int proxyfd, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
ret = evl_vprint_proxy(proxyfd, fmt, ap);
va_end(ap);
return ret;
}