mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-13 15:41:57 +00:00
ac74d8b652
Replace the existing Apache 2.0 boilerplate header with an SPDX tag throughout the zephyr code tree. This patch was generated via a script run over the master branch. Also updated doc/porting/application.rst that had a dependency on line numbers in a literal include. Manually updated subsys/logging/sys_log.c that had a malformed header in the original file. Also cleanup several cases that already had a SPDX tag and we either got a duplicate or missed updating. Jira: ZEP-1457 Change-Id: I6131a1d4ee0e58f5b938300c2d2fc77d2e69572c Signed-off-by: David B. Kinder <david.b.kinder@intel.com> Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/* printk.h - low-level debug output */
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/*
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* Copyright (c) 2010-2012, 2014 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _PRINTK_H_
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#define _PRINTK_H_
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#include <toolchain.h>
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#include <stddef.h>
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#include <stdarg.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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*
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* @brief Print kernel debugging message.
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*
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* This routine prints a kernel debugging message to the system console.
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* Output is send immediately, without any mutual exclusion or buffering.
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*
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* A basic set of conversion specifier characters are supported:
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* - signed decimal: \%d, \%i
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* - unsigned decimal: \%u
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* - unsigned hexadecimal: \%x (\%X is treated as \%x)
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* - pointer: \%p
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* - string: \%s
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* - character: \%c
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* - percent: \%\%
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*
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* No other conversion specification capabilities are supported, such as flags,
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* field width, precision, or length attributes.
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*
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* @param fmt Format string.
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* @param ... Optional list of format arguments.
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*
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* @return N/A
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*/
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#ifdef CONFIG_PRINTK
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extern __printf_like(1, 2) int printk(const char *fmt, ...);
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extern __printf_like(3, 4) int snprintk(char *str, size_t size,
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const char *fmt, ...);
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extern int vsnprintk(char *str, size_t size, const char *fmt, va_list ap);
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void _vprintk(int (*out)(int, void *), void *ctx, const char *fmt, va_list ap);
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#else
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static inline __printf_like(1, 2) int printk(const char *fmt, ...)
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{
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ARG_UNUSED(fmt);
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return 0;
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}
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static inline __printf_like(3, 4) int snprintk(char *str, size_t size,
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const char *fmt, ...)
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{
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ARG_UNUSED(str);
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ARG_UNUSED(size);
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ARG_UNUSED(fmt);
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return 0;
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}
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static inline int vsnprintk(char *str, size_t size, const char *fmt,
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va_list ap)
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{
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ARG_UNUSED(str);
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ARG_UNUSED(size);
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ARG_UNUSED(fmt);
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ARG_UNUSED(ap);
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return 0;
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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