HGKeeper

Change this to a preprocessor check.
release-2.x.y
2014-09-29, Mark Doliner

6d2325070ec8

Change this to a preprocessor check.

Obviously this needs to happen at the preprocessor level because
SSLVersionRange won't exist in old versions. I'm not sure when
these constants started appearing... I'm kinda just hoping they've
been around as long as the NSS_VersionCheck function (NSS 3.2, I think,
which was many years ago). I might look into it. But checking this
in now to get in before the nightly Jenkins build for ppc.

/** @page imgstore-signals Image Store Signals

@signals

@signal image-deleting

@endsignals

@see imgstore.h

<hr>

@signaldef image-deleting

@signalproto

char *(*image_deleting)(const PurpleStoredImage *img);

@endsignalproto

@signaldesc

Emitted when a #PurpleStoredImage is about to be destroyed. This allows

for what amounts to weak references. Code can hold onto a pointer to

the PurpleStoredImage without actually "holding" a reference. They can

then use a signal handler to let them know when their img is about to

be destroyed.

@param img The image about to be destroyed.

@note It's not possible to purple_imgstore_ref() img to save it.

@endsignaldef

// vim: syntax=c.doxygen tw=75 et

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