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-rw-r--r--core/device.c37
1 files changed, 16 insertions, 21 deletions
diff --git a/core/device.c b/core/device.c
index d5e723765..c9036304a 100644
--- a/core/device.c
+++ b/core/device.c
@@ -109,33 +109,29 @@ static void fill_samples_no_avg(struct sample *s, int max_d, int max_t, double s
}
}
-struct divecomputer *fake_dc(struct divecomputer *dc, bool alloc)
+void fake_dc(struct divecomputer *dc)
{
- static struct sample fake_samples[6];
- static struct divecomputer fakedc;
- struct sample *fake = fake_samples;
+ alloc_samples(dc, 6);
+ struct sample *fake = dc->sample;
int i;
- fakedc = (*dc);
- if (alloc)
- fake = malloc(sizeof(fake_samples));
-
- fakedc.sample = fake;
- fakedc.samples = 6;
+ dc->samples = 6;
/* The dive has no samples, so create a few fake ones */
int max_t = dc->duration.seconds;
int max_d = dc->maxdepth.mm;
int avg_d = dc->meandepth.mm;
- memset(fake, 0, sizeof(fake_samples));
+ memset(fake, 0, 6 * sizeof(struct sample));
fake[5].time.seconds = max_t;
for (i = 0; i < 6; i++) {
- fake_samples[i].bearing.degrees = -1;
- fake_samples[i].ndl.seconds = -1;
+ fake[i].bearing.degrees = -1;
+ fake[i].ndl.seconds = -1;
+ }
+ if (!max_t || !max_d) {
+ dc->samples = 0;
+ return;
}
- if (!max_t || !max_d)
- return &fakedc;
/*
* We want to fake the profile so that the average
@@ -149,10 +145,10 @@ struct divecomputer *fake_dc(struct divecomputer *dc, bool alloc)
* the user supplied data */
fill_samples_no_avg(fake, max_d, max_t, MAX(2.0 * max_d / max_t, 5000.0 / 60));
if (fake[3].time.seconds == 0) { // just a 4 point profile
- fakedc.samples = 4;
+ dc->samples = 4;
fake[3].time.seconds = max_t;
}
- return &fakedc;
+ return;
}
if (avg_d < max_d / 10 || avg_d >= max_d) {
avg_d = (max_d + 10000) / 3;
@@ -167,7 +163,7 @@ struct divecomputer *fake_dc(struct divecomputer *dc, bool alloc)
* rate (5 meters per minute) and d_frac (1/3).
*/
if (fill_samples(fake, max_d, avg_d, max_t, 5000.0 / 60, 0.33))
- return &fakedc;
+ return;
/*
* Ok, assume that didn't work because we cannot make the
@@ -175,7 +171,7 @@ struct divecomputer *fake_dc(struct divecomputer *dc, bool alloc)
* followed by a much shallower region
*/
if (fill_samples(fake, max_d, avg_d, max_t, 10000.0 / 60, 0.10))
- return &fakedc;
+ return;
/*
* Uhhuh. That didn't work. We'd need to find a good combination that
@@ -183,10 +179,9 @@ struct divecomputer *fake_dc(struct divecomputer *dc, bool alloc)
* slopes.
*/
if (fill_samples(fake, max_d, avg_d, max_t, 10000.0, 0.01))
- return &fakedc;
+ return;
/* Even that didn't work? Give up, there's something wrong */
- return &fakedc;
}
static void match_id(void *_dc, const char *model, uint32_t deviceid,