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When copying dives, make copies of samples/events in first DC
We carefully copied the dive computers and their samples and events, but only for the second and later DCs. For the first DC we simply copied the pointers but not what they were pointing at. So when the copied dive was freed, those pointers in the original went to freed memory. Not good. Fixes #599 Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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1 changed files with 5 additions and 1 deletions
6
dive.c
6
dive.c
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@ -341,9 +341,13 @@ void copy_dive(struct dive *s, struct dive *d)
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d->location = copy_string(s->location);
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d->notes = copy_string(s->notes);
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d->suit = copy_string(s->suit);
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STRUCTURED_LIST_COPY(struct divecomputer, s->dc.next, d->dc.next, copy_dc);
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STRUCTURED_LIST_COPY(struct picture, s->picture_list, d->picture_list, copy_pl);
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STRUCTURED_LIST_COPY(struct tag_entry, s->tag_list, d->tag_list, copy_tl);
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STRUCTURED_LIST_COPY(struct divecomputer, s->dc.next, d->dc.next, copy_dc);
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/* this only copied dive computers 2 and up. The first dive computer is part
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* of the struct dive, so let's make copies of its samples and events */
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copy_samples(&s->dc, &d->dc);
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copy_events(&s->dc, &d->dc);
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}
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/* make a clone of the source dive and clean out the source dive;
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