mirror of https://github.com/rust-lang/rust
101 lines
3.3 KiB
Plaintext
101 lines
3.3 KiB
Plaintext
error[E0045]: C-variadic function must have a compatible calling convention, like `C` or `cdecl`
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--> $DIR/variadic-ffi-1.rs:9:5
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LL | fn printf(_: *const u8, ...);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ C-variadic function must have a compatible calling convention
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error[E0060]: this function takes at least 2 arguments but 0 arguments were supplied
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--> $DIR/variadic-ffi-1.rs:22:9
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LL | foo();
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| ^^^-- two arguments of type `isize` and `u8` are missing
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note: function defined here
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--> $DIR/variadic-ffi-1.rs:15:8
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LL | fn foo(f: isize, x: u8, ...);
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| ^^^
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help: provide the arguments
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LL | foo(/* isize */, /* u8 */);
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| ~~~~~~~~~~~~~~~~~~~~~~~
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error[E0060]: this function takes at least 2 arguments but 1 argument was supplied
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--> $DIR/variadic-ffi-1.rs:23:9
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LL | foo(1);
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| ^^^--- an argument of type `u8` is missing
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note: function defined here
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--> $DIR/variadic-ffi-1.rs:15:8
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LL | fn foo(f: isize, x: u8, ...);
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| ^^^
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help: provide the argument
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LL | foo(1, /* u8 */);
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| ~~~~~~~~~~~~~
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error[E0308]: mismatched types
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--> $DIR/variadic-ffi-1.rs:25:56
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LL | let x: unsafe extern "C" fn(f: isize, x: u8) = foo;
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| ------------------------------------- ^^^ expected non-variadic fn, found variadic function
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| |
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| expected due to this
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= note: expected fn pointer `unsafe extern "C" fn(_, _)`
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found fn item `unsafe extern "C" fn(_, _, ...) {foo}`
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error[E0308]: mismatched types
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--> $DIR/variadic-ffi-1.rs:26:54
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LL | let y: extern "C" fn(f: isize, x: u8, ...) = bar;
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| ----------------------------------- ^^^ expected variadic fn, found non-variadic function
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| |
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| expected due to this
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= note: expected fn pointer `extern "C" fn(_, _, ...)`
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found fn item `extern "C" fn(_, _) {bar}`
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error[E0617]: can't pass `f32` to variadic function
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--> $DIR/variadic-ffi-1.rs:28:19
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LL | foo(1, 2, 3f32);
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| ^^^^ help: cast the value to `c_double`: `3f32 as c_double`
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error[E0617]: can't pass `bool` to variadic function
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--> $DIR/variadic-ffi-1.rs:29:19
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LL | foo(1, 2, true);
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| ^^^^ help: cast the value to `c_int`: `true as c_int`
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error[E0617]: can't pass `i8` to variadic function
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--> $DIR/variadic-ffi-1.rs:30:19
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LL | foo(1, 2, 1i8);
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| ^^^ help: cast the value to `c_int`: `1i8 as c_int`
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error[E0617]: can't pass `u8` to variadic function
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--> $DIR/variadic-ffi-1.rs:31:19
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LL | foo(1, 2, 1u8);
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| ^^^ help: cast the value to `c_uint`: `1u8 as c_uint`
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error[E0617]: can't pass `i16` to variadic function
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--> $DIR/variadic-ffi-1.rs:32:19
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LL | foo(1, 2, 1i16);
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| ^^^^ help: cast the value to `c_int`: `1i16 as c_int`
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error[E0617]: can't pass `u16` to variadic function
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--> $DIR/variadic-ffi-1.rs:33:19
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LL | foo(1, 2, 1u16);
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| ^^^^ help: cast the value to `c_uint`: `1u16 as c_uint`
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error: aborting due to 11 previous errors
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Some errors have detailed explanations: E0045, E0060, E0308, E0617.
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For more information about an error, try `rustc --explain E0045`.
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