freebsd-skq/libexec/rtld-elf/rtld_printf.h
arichardson 56e633a631 Use rtld_putstr() instead of write() for the rtld msg() macro
This removes an unnecessary libc dependency from rtld.
See https://reviews.freebsd.org/D20663 for more details.
2019-06-26 15:43:26 +00:00

50 lines
2.0 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright 2011 Konstantin Belousov <kib@FreeBSD.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef RTLD_PRINTF_H
#define RTLD_PRINTF_H 1
#include <sys/cdefs.h>
#include <stdarg.h>
#include <unistd.h>
int rtld_snprintf(char *buf, size_t bufsize, const char *fmt, ...)
__printflike(3, 4);
int rtld_vsnprintf(char *buf, size_t bufsize, const char *fmt, va_list ap);
int rtld_vfdprintf(int fd, const char *fmt, va_list ap);
int rtld_fdprintf(int fd, const char *fmt, ...) __printflike(2, 3);
void rtld_fdputstr(int fd, const char *str);
void rtld_fdputchar(int fd, int c);
#define rtld_printf(...) rtld_fdprintf(STDOUT_FILENO, __VA_ARGS__)
#define rtld_putstr(str) rtld_fdputstr(STDOUT_FILENO, (str))
#define rtld_putchar(c) rtld_fdputchar(STDOUT_FILENO, (c))
#endif