Hi~
I'm a newbie for coccinelle.
I would like to make a cocci file to patch like :
struct type_b *foo(void);
int some_function(...)
{
-struct type_a *v1, *v2;
+struct type_b *v1, *v2;
...
v1 = foo();
v2 = foo();
...
}
Return value of foo() was changed from struct type_a to struct type_b.
So, I want to find out the locations where a function use it in and
modify the type of local variables.
If the number of local variable is just one, this cocci could make the
patch well.
@@
identifier i;
@@
{
...
-struct type_a *i;
+struct type_b *i;
...
i = foo();
...
}
But, assuming that the number of local variables is two or more, I have
failed again and again.
How can I make cocci file?
Thank you in advance for your consideration.
Best regards,
Junghak
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