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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 dee5c880ea
commit 43faea6678
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]));