mirror of
https://github.com/systemd/systemd.git
synced 2024-12-11 11:13:58 +08:00
60d9959dd8
For example, following transformation:
- isempty(s) ? NULL : s
+ empty_to_null(s)
would get applied to the empty_to_null function itself as well,
causing an infinite recursion, like:
--- src/basic/string-util.h
+++ /tmp/cocci-output-307-9f76e6-string-util.h
@@ -50,11 +50,11 @@ static inline bool isempty(const char *p
}
static inline const char *empty_to_null(const char *p) {
- return isempty(p) ? NULL : p;
+ return empty_to_null(p);
}
Let's avoid that by checking the current match position
9 lines
202 B
Plaintext
9 lines
202 B
Plaintext
@@
|
|
/* Avoid running this transformation on the mfree function itself */
|
|
position p : script:python() { p[0].current_element != "mfree" };
|
|
expression e;
|
|
@@
|
|
- free@p(e);
|
|
- return NULL;
|
|
+ return mfree(e);
|