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Restore lib_sprintf(). It was removed because I thought was not used. But I was wrong; there is logic in drivers/syslog that depends on lib_sprintf().

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This commits reverts a part of commit c271151d57.  That commit also removed lib_sscanf() which really is not needed.
This commit is contained in:
Gregory Nutt
2019-02-16 12:29:00 -06:00
parent 3131195d7a
commit 653ff2c34e
3 changed files with 77 additions and 3 deletions
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include/nuttx/streams.h
+11
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@@ -442,6 +442,17 @@ int lib_noflush(FAR struct lib_outstream_s *stream);
int lib_snoflush(FAR struct lib_sostream_s *this);
/****************************************************************************
* Name: lib_sprintf
*
* Description:
* Stream-oriented implementation of sprintf. Used only by the SYSLOG.
*
****************************************************************************/
int lib_sprintf(FAR struct lib_outstream_s *obj,
FAR const IPTR char *fmt, ...);
/****************************************************************************
* Name: lib_vsprintf
*