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|
error[E0045]: C-variadic functions with the "stdcall" calling convention are not supported
--> $DIR/variadic-ffi-1.rs:11:5
|
LL | fn printf(_: *const u8, ...);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ C-variadic function must have a compatible calling convention
error[E0060]: this function takes at least 2 arguments but 0 arguments were supplied
--> $DIR/variadic-ffi-1.rs:23:9
|
LL | foo();
| ^^^-- two arguments of type `isize` and `u8` are missing
|
note: function defined here
--> $DIR/variadic-ffi-1.rs:16:8
|
LL | fn foo(f: isize, x: u8, ...);
| ^^^ - -
help: provide the arguments
|
LL | foo(/* isize */, /* u8 */);
| +++++++++++++++++++++
error[E0060]: this function takes at least 2 arguments but 1 argument was supplied
--> $DIR/variadic-ffi-1.rs:24:9
|
LL | foo(1);
| ^^^--- argument #2 of type `u8` is missing
|
note: function defined here
--> $DIR/variadic-ffi-1.rs:16:8
|
LL | fn foo(f: isize, x: u8, ...);
| ^^^ -
help: provide the argument
|
LL | foo(1, /* u8 */);
| ++++++++++
error[E0308]: mismatched types
--> $DIR/variadic-ffi-1.rs:26:56
|
LL | let x: unsafe extern "C" fn(f: isize, x: u8) = foo;
| ------------------------------------- ^^^ expected non-variadic fn, found variadic function
| |
| expected due to this
|
= note: expected fn pointer `unsafe extern "C" fn(_, _)`
found fn item `unsafe extern "C" fn(_, _, ...) {foo}`
error[E0308]: mismatched types
--> $DIR/variadic-ffi-1.rs:27:54
|
LL | let y: extern "C" fn(f: isize, x: u8, ...) = bar;
| ----------------------------------- ^^^ expected variadic fn, found non-variadic function
| |
| expected due to this
|
= note: expected fn pointer `extern "C" fn(_, _, ...)`
found fn item `extern "C" fn(_, _) {bar}`
error[E0617]: can't pass `f32` to variadic function
--> $DIR/variadic-ffi-1.rs:29:19
|
LL | foo(1, 2, 3f32);
| ^^^^
|
help: cast the value to `c_double`
|
LL | foo(1, 2, 3f32 as c_double);
| +++++++++++
error[E0617]: can't pass `bool` to variadic function
--> $DIR/variadic-ffi-1.rs:30:19
|
LL | foo(1, 2, true);
| ^^^^
|
help: cast the value to `c_int`
|
LL | foo(1, 2, true as c_int);
| ++++++++
error[E0617]: can't pass `i8` to variadic function
--> $DIR/variadic-ffi-1.rs:31:19
|
LL | foo(1, 2, 1i8);
| ^^^
|
help: cast the value to `c_int`
|
LL | foo(1, 2, 1i8 as c_int);
| ++++++++
error[E0617]: can't pass `u8` to variadic function
--> $DIR/variadic-ffi-1.rs:32:19
|
LL | foo(1, 2, 1u8);
| ^^^
|
help: cast the value to `c_uint`
|
LL | foo(1, 2, 1u8 as c_uint);
| +++++++++
error[E0617]: can't pass `i16` to variadic function
--> $DIR/variadic-ffi-1.rs:33:19
|
LL | foo(1, 2, 1i16);
| ^^^^
|
help: cast the value to `c_int`
|
LL | foo(1, 2, 1i16 as c_int);
| ++++++++
error[E0617]: can't pass `u16` to variadic function
--> $DIR/variadic-ffi-1.rs:34:19
|
LL | foo(1, 2, 1u16);
| ^^^^
|
help: cast the value to `c_uint`
|
LL | foo(1, 2, 1u16 as c_uint);
| +++++++++
error: aborting due to 11 previous errors
Some errors have detailed explanations: E0045, E0060, E0308, E0617.
For more information about an error, try `rustc --explain E0045`.
|
