--- validation/check_identical_exprs_on_and.c | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-) create mode 100644 validation/check_identical_exprs_on_and.c diff --git a/validation/check_identical_exprs_on_and.c b/validation/check_identical_exprs_on_and.c new file mode 100644 index 0000000..712395d --- /dev/null +++ b/validation/check_identical_exprs_on_and.c @@ -0,0 +1,24 @@ +extern void bar(void); + +static void foo(void *a, void *b, void *c) +{ + if (a && a) /* should warn */ + bar(); + + if (a && b) /* should not warn */ + bar(); + + if ((a == b) && (a == b)) /* should warn */ + bar(); + + if ((a == b) && (b == c)) /* should not warn */ + bar(); +} +/* + * check-name: A warning should be issued for identical expressions on both sides of the '&&' operator. + * + * check-error-start +check_identical_exprs_on_and.c:5:15: warning: identical expressions on both sides of '&&' +check_identical_exprs_on_and.c:11:22: warning: identical expressions on both sides of '&&' + * check-error-end + */ -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html