systemd-stable/coccinelle/bool-cast.cocci

@@
bool b;
expression y;
@@
- b = !!(y);
+ b = y;
@@
bool b;
expression y;
@@
- b = !!y;
+ b = y;
tree-wide: drop !! casts to booleans They are not needed, because anything that is non-zero is converted to true. C11: > 6.3.1.2: When any scalar value is converted to _Bool, the result is 0 if the > value compares equal to 0; otherwise, the result is 1. https://stackoverflow.com/questions/31551888/casting-int-to-bool-in-c-c 2018-06-11 17:02:03 +03:00			`@@`
			`bool b;`
			`expression y;`
			`@@`
			`- b = !!(y);`
			`+ b = y;`
			`@@`
			`bool b;`
			`expression y;`
			`@@`
			`- b = !!y;`
			`+ b = y;`