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printk: Export _vprintk similar to how _prf is exported

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There are some corner cases where direct access to the formatter
function is needed. Export _vprintk() so code can use it in a similar
way that _prf() can be directly used.

Change-Id: I9dfb68f87f310e900c662dc8beb320bb4ff7d8b2
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2016-12-09 21:41:30 +02:00 committed by Anas Nashif
parent 57e1975241
commit 244a4dfe73
2 changed files with 3 additions and 2 deletions
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2
include/misc/printk.h
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@ -55,6 +55,8 @@ extern __printf_like(1, 2) int printk(const char *fmt, ...);
extern __printf_like(3, 4) int snprintk(char *str, size_t size,
const char *fmt, ...);
extern int vsnprintk(char *str, size_t size, const char *fmt, va_list ap);
void _vprintk(int (*out)(int, void *), void *ctx, const char *fmt, va_list ap);
#else
static inline __printf_like(1, 2) int printk(const char *fmt, ...)
{

3
misc/printk.c
View File

@ -75,8 +75,7 @@ void __printk_hook_install(int (*fn)(int))
*
* @return N/A
*/
static inline void _vprintk(out_func_t out, void *ctx, const char *fmt,
va_list ap)
void _vprintk(out_func_t out, void *ctx, const char *fmt, va_list ap)
{
int might_format = 0; /* 1 if encountered a '%' */
int pad_zero = 0;