Abstract out dive/sample allocation a bit

We're going to start to want to allocate dives and samples for the
libdivecomputer import too, so let's clean things up a bit for that.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/dive.h b/dive.h
index d96e0102d..ee57cf820 100644
--- a/dive.h
+++ b/dive.h
@@ -137,7 +137,7 @@ struct dive {
 	depth_t visibility;
 	temperature_t airtemp, watertemp;
 	cylinder_t cylinder[MAX_CYLINDERS];
-	int samples;
+	int samples, alloc_samples;
 	struct sample sample[];
 };
 
@@ -193,6 +193,12 @@ static inline unsigned int dive_size(int samples)
 	return sizeof(struct dive) + samples*sizeof(struct sample);
 }
 
+extern struct dive *alloc_dive(void);
+extern void record_dive(struct dive *dive);
+
+extern struct sample *prepare_sample(struct dive **divep);
+extern void finish_sample(struct dive *dive, struct sample *sample);
+
 extern struct dive *fixup_dive(struct dive *dive);
 extern struct dive *try_to_merge(struct dive *a, struct dive *b);