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Backport: provide EVENT_LOG_* names, and deprecate _EVENT_LOG_*

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This is a partial backport of cb9da0bf and a backport of c9635349.

Because C doesn't like us to declare identifiers starting with an
underscore, Libevent 2.1 has renamed every such identifier.  The
only change that affects a public API is that the _EVENT_LOG_*
macros have been renamed to start with EVENT_LOG instead.  The old
names are still present, but deprecated.

I'm doing this backport because it represents the deprecation of a
Libevent 2.0 interface, and folks should have the opportunity to
write code that isn't deprecated and works with both 2.0 and 2.1.
This commit is contained in:
Nick Mathewson 2012-04-03 18:31:08 -04:00
parent f775521c31
commit d1a03b2ff1
1 changed files with 11 additions and 4 deletions
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15
include/event2/event.h
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@ -563,12 +563,19 @@ void event_base_free(struct event_base *);
/** @name Log severities /** @name Log severities
*/ */
/**@{*/ /**@{*/
#define _EVENT_LOG_DEBUG 0 #define EVENT_LOG_DEBUG 0
#define _EVENT_LOG_MSG 1 #define EVENT_LOG_MSG 1
#define _EVENT_LOG_WARN 2 #define EVENT_LOG_WARN 2
#define _EVENT_LOG_ERR 3 #define EVENT_LOG_ERR 3
/**@}*/ /**@}*/
/* Obsolete names: these are deprecated, but older programs might use them.
* They violate the reserved-identifier namespace. */
#define _EVENT_LOG_DEBUG EVENT_LOG_DEBUG
#define _EVENT_LOG_MSG EVENT_LOG_MSG
#define _EVENT_LOG_WARN EVENT_LOG_WARN
#define _EVENT_LOG_ERR EVENT_LOG_ERR
/** /**
A callback function used to intercept Libevent's log messages. A callback function used to intercept Libevent's log messages.