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Warn about non-monotonous plot data and prevent infinite loop

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The data are supposed to be sorted with monotonous time stamp. And while
the actual bug that causes this needs to be identified and fixed, this is
at least a stop gap measure that shows the issue and prevents Subsurface
from hanging.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-09-20 07:54:28 -07:00
parent e4d2092f33
commit a77d1a3f56
1 changed files with 6 additions and 0 deletions
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6
profile.c
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@ -849,6 +849,12 @@ void calculate_deco_information(struct dive *dive, struct divecomputer *dc, stru
(prefs.gflow - prefs.gfhigh) +
prefs.gfhigh) *
(100.0 - AMB_PERCENTAGE) / 100.0 + AMB_PERCENTAGE;
if (t0 > t1) {
fprintf(stderr, "non-monotonous dive stamps %d %d\n", t0, t1);
int xchg = t1;
t1 = t0;
t0 = xchg;
}
if (t0 != t1 && t1 - t0 < time_stepsize)
time_stepsize = t1 - t0;
for (j = t0 + time_stepsize; j <= t1; j += time_stepsize) {