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syslog: syslog_device ops are handled internally by the driver.

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This commit is contained in:
Fotis Panagiotopoulos
2021-04-07 17:35:18 +03:00
committed by Xiang Xiao
parent 4ca34ac5b5
commit ee7276e7a7
10 changed files with 190 additions and 415 deletions
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drivers/syslog/syslog_devchannel.c
-85
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@@ -29,7 +29,6 @@
#include <errno.h>
#include <nuttx/syslog/syslog.h>
#include <nuttx/compiler.h>
#include "syslog.h"
@@ -42,94 +41,14 @@
#define OPEN_FLAGS (O_WRONLY)
#define OPEN_MODE (S_IROTH | S_IRGRP | S_IRUSR | S_IWUSR)
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/* SYSLOG channel methods */
#ifdef CONFIG_SYSLOG_CHAR_CRLF
static int syslog_devchan_putc(FAR struct syslog_channel_s *channel,
int ch);
#endif
static int syslog_devchan_force(FAR struct syslog_channel_s *channel,
int ch);
/****************************************************************************
* Private Data
****************************************************************************/
/* This structure describes the channel's operations. */
static const struct syslog_channel_ops_s g_syslog_ops =
{
#ifdef CONFIG_SYSLOG_CHAR_CRLF
syslog_devchan_putc,
#else
syslog_dev_putc,
#endif
syslog_devchan_force,
syslog_dev_flush,
#ifdef CONFIG_SYSLOG_WRITE
syslog_dev_write,
#endif
};
/* Handle to the SYSLOG channel */
FAR static struct syslog_channel_s *g_syslog_dev_channel;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: syslog_devchan_putc
*
* Description:
* A front-end to syslog_dev_putc that does LF -> CR-LF expansion
*
****************************************************************************/
#ifdef CONFIG_SYSLOG_CHAR_CRLF
static int syslog_devchan_putc(FAR struct syslog_channel_s *channel, int ch)
{
int ret;
/* Check for a linefeed */
if (ch == '\n')
{
/* Pre-pend a carriage return */
ret = syslog_dev_putc(channel, '\r');
if (ret < 0)
{
return ret;
}
}
/* Output the provided character */
return syslog_dev_putc(channel, ch);
}
#endif
/****************************************************************************
* Name: syslog_devchan_force
*
* Description:
* A dummy FORCE method
*
****************************************************************************/
static int syslog_devchan_force(FAR struct syslog_channel_s *channel,
int ch)
{
UNUSED(channel);
return ch;
}
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -169,10 +88,6 @@ int syslog_dev_channel(void)
return -ENOMEM;
}
/* Register the channel operations */
g_syslog_dev_channel->sc_ops = &g_syslog_ops;
/* Use the character driver as the SYSLOG channel */
return syslog_channel(g_syslog_dev_channel);