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vprintf: Add handler that mutes all output.

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This adds a vprintf handler that can be used to suppress all outputs of
the libbsd.
This commit is contained in:
Christian Mauderer
2018-03-23 07:58:18 +01:00
parent d300a34424
commit 7ec935e03f
3 changed files with 43 additions and 0 deletions
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9
rtemsbsd/include/rtems/bsd/bsd.h
View File

@@ -294,6 +294,15 @@ int rtems_bsd_vprintf(int level, const char *fmt, va_list ap);
*/
int rtems_bsd_setlogpriority(const char* priority);
/**
* @brief Set this vprintf handler to suppress all output.
*
* @retval Allways 0.
*
* @see rtems_bsd_vprintf() for the parameters.
*/
int rtems_bsd_vprintf_handler_mute(int level, const char *fmt, va_list ap);
/** @} */
#ifdef __cplusplus

10
rtemsbsd/rtems/rtems-kernel-vprintf.c
View File

@@ -103,6 +103,16 @@ default_vprintf_handler(int level, const char *fmt, va_list ap)
static int (*vprintf_handler)(int, const char *, va_list) =
default_vprintf_handler;
int
rtems_bsd_vprintf_handler_mute(int level, const char *fmt, va_list ap)
{
(void) level;
(void) fmt;
(void) ap;
return 0;
}
rtems_bsd_vprintf_handler
rtems_bsd_set_vprintf_handler(rtems_bsd_vprintf_handler new_handler)
{