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Comparing well names protects againts NULL.

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This commit is contained in:
Joakim Hove
2014-01-08 16:10:43 +01:00
parent d96b88742e
commit f00e3d5763
1 changed files with 16 additions and 1 deletions
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17
opm/core/wells/wells.c
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@@ -552,7 +552,22 @@ wells_equal(const struct Wells *W1, const struct Wells *W2)
}
for (int i=0; i<W1->number_of_wells; i++) {
are_equal = are_equal && (strcmp(W1->name[i], W2->name[i]) == 0);
if (are_equal) {
/*
The name attribute can be NULL. The comparison is as
follows:
1. If both names are different from NULL a normal
strcmp() is performed.
2. If both names are NULL they compare as equal.
3. If one name is NULL and the other is not NULL
they are regarded as different.
*/
if (W1->name[i] && W2->name[i])
are_equal = are_equal && (strcmp(W1->name[i], W2->name[i]) == 0);
else
are_equal = are_equal && (W1->name[i] == W2->name[i]);
}
are_equal = are_equal && (W1->type[i] == W2->type[i]);
are_equal = are_equal && (W1->depth_ref[i] == W2->depth_ref[i]);
are_equal = are_equal && (well_controls_equal(W1->ctrls[i], W2->ctrls[i]));