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libc/misc/err.c:add err.c to libc

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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
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anjiahao
2021-11-25 16:44:06 +08:00
committed by David Sidrane
parent c39ef4420e
commit f9570810c0
4 changed files with 223 additions and 0 deletions
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include/err.h
+57
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/****************************************************************************
* include/err.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_ERR_H
#define __INCLUDE_ERR_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdarg.h>
#include <nuttx/compiler.h>
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef CONFIG_LIBC_ERR
/* Print "pid: ", FORMAT, ": ", the standard error string for errno,
* and a newline, on stderr.
*/
void warn(FAR const char *fmt, ...);
void vwarn(FAR const char *fmt, va_list ap);
/* Likewise, but without ": " and the standard error string. */
void warnx(FAR const char *fmt, ...);
void vwarnx(FAR const char *fmt, va_list ap);
/* Likewise, and then exit with STATUS. */
void err(int status, FAR const char *fmt, ...);
void verr(int status, FAR const char *fmt, va_list ap);
void errx(int status, FAR const char *fmt, ...);
void verrx(int status, FAR const char *, va_list ap);
#endif /* CONFIG_LIBC_ERR */
#endif /* __INCLUDE_ERR_H */