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common: New function log_debug_with_string.

* common/logging.c (do_logv): Factor some code out to ...
(print_prefix): new.
(log_logv): Add arg EXTRASTRING and print it.  Change all callers to
pass NULL for it.
(log_debug_with_string): New.  Uses EXTRASTRING.
--

This function can be used to print a human readable buffer in addition
to a log message to the log stream.  This function will keep all lines
together and prefix them with ">> ".

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-01-11 10:21:32 +01:00
parent 7249ab0f95
commit 088d71d367
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GPG key ID: E3FDFF218E45B72B
2 changed files with 106 additions and 37 deletions

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@ -96,6 +96,8 @@ void log_fatal (const char *fmt, ...) GPGRT_ATTR_NR_PRINTF(1,2);
void log_error (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_info (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_debug (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_debug_with_string (const char *string, const char *fmt,
...) GPGRT_ATTR_PRINTF(2,3);
void log_printf (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_flush (void);