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Use displayed_dc instead of current_dc

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current_dc is a macro that determines the dive computer
based on the current dive number. When the planner is started
from an emtpy dive list, the dive number ends up being -1 and
that doesn't produce a valid dive computer. Use the divecomputer
of the displayed_dive instead. This is done via a macro that
can also be used in two other places. Without this patch, the
planner crashed when called on an empty dive list.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
This commit is contained in:
Robert C. Helling 2017-10-19 15:29:59 +02:00 • committed by Dirk Hohndel
parent a9b692f0c3
commit a422957cd6
4 changed files with 3 additions and 3 deletions
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1
core/dive.h
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@ -549,6 +549,7 @@ extern int selected_dive;
extern unsigned int dc_number;
#define current_dive (get_dive(selected_dive))
#define current_dc (get_dive_dc(current_dive, dc_number))
#define displayed_dc (get_dive_dc(&displayed_dive, dc_number))
static inline struct dive *get_dive(int nr)
{