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extern int fun(void);
extern int (*ptr)(void);
static inline int inl(int *a)
{
return *a + 1;
}
int test(void);
int test(void)
{
unsigned int s = 0;
// OK
s += sizeof &fun;
s += sizeof ptr;
s += sizeof &ptr;
s += sizeof &inl;
// KO
s += sizeof fun;
s += sizeof *fun;
s += sizeof *ptr;
s += sizeof inl;
s += sizeof *inl;
s += sizeof __builtin_trap;
s += sizeof *__builtin_trap;
return s;
}
/*
* check-name: sizeof-function
* check-command: sparse -Wpointer-arith -Wno-decl $file
*
* check-error-start
sizeof-function.c:22:14: warning: expression using sizeof on a function
sizeof-function.c:23:14: warning: expression using sizeof on a function
sizeof-function.c:25:14: warning: expression using sizeof on a function
sizeof-function.c:27:14: warning: expression using sizeof on a function
sizeof-function.c:28:14: warning: expression using sizeof on a function
sizeof-function.c:30:14: warning: expression using sizeof on a function
sizeof-function.c:31:14: warning: expression using sizeof on a function
* check-error-end
*/
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