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systemd/coccinelle/flags-set.cocci
Frantisek Sumsal ca21d59a3f coccinelle: filter out a couple of 'false-positive' transformations
* flag-set.cocci: perform the transformation only if the second
    argument is a constant
  * sd-journal/lookup3.c: skip the cocci completely for this file, since
    it's not "ours"
  * strjoina.cocci: skip the transformation on the "test_strjoina" test,
    since it intentionally tests the "incorrect" expression we're trying to
    transform (the same thing was already done in strjoin.cocci)
2021-03-18 11:59:53 +01:00

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@@
/* Disable this transformation in cases where it doesn't make sense or
* where it makes the resulting expression more confusing
*/
position p : script:python() {
not (p[0].file == "src/shared/securebits-util.h" or
p[0].file == "src/core/manager.h" or
p[0].current_element == "log_set_max_level_realm" or
p[0].current_element == "unichar_is_valid")
};
expression x;
constant y;
@@
(
- ((x@p) & (y)) == (y)
+ FLAGS_SET(x, y)
|
- (x@p & (y)) == (y)
+ FLAGS_SET(x, y)
|
- ((x@p) & y) == y
+ FLAGS_SET(x, y)
)