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Fix a crash risk in parsing JSON coordinate arrays

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This commit is contained in:
Eric Fischer 2018-10-23 12:33:16 -07:00
parent ca887f5ee2
commit 44c0a6b94a
1 changed files with 1 additions and 7 deletions
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8
read_json.cpp
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@ -77,13 +77,7 @@ void parse_geometry(int t, json_object *j, drawvec &out, int op, const char *fna
}
out.push_back(d);
} else if (j->length >= 2 && j->array[0]->type == JSON_NUMBER && j->array[1]->type == JSON_NUMBER) {
if (j == NULL || j->type != JSON_ARRAY) {
fprintf(stderr, "%s:%d: expected array for coordinate pair %d\n", fname, line, t);
json_context(feature);
return;
}
} else if (j != NULL && j->type == JSON_ARRAY && j->length >= 2 && j->array[0]->type == JSON_NUMBER && j->array[1]->type == JSON_NUMBER) {
long long x, y;
double lon = j->array[0]->number;
double lat = j->array[1]->number;