2019-02-08 17:30:42 +00:00
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error[E0045]: C-variadic function must have C or cdecl calling convention
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2018-11-30 15:53:44 +00:00
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--> $DIR/variadic-ffi-1.rs:5:5
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2018-08-08 14:28:26 +02:00
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2019-03-09 15:03:44 +03:00
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LL | fn printf(_: *const u8, ...);
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2019-02-08 17:30:42 +00:00
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ C-variadics require C or cdecl calling convention
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2018-08-08 14:28:26 +02:00
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2019-04-19 15:37:34 -07:00
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error[E0060]: this function takes at least 2 parameters but 0 parameters were supplied
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--> $DIR/variadic-ffi-1.rs:16:9
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LL | fn foo(f: isize, x: u8, ...);
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| ----------------------------- defined here
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...
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LL | foo();
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| ^^^^^ expected at least 2 parameters
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error[E0060]: this function takes at least 2 parameters but 1 parameter was supplied
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--> $DIR/variadic-ffi-1.rs:17:9
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LL | fn foo(f: isize, x: u8, ...);
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| ----------------------------- defined here
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...
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LL | foo(1);
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| ^^^^^^ expected at least 2 parameters
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error[E0308]: mismatched types
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--> $DIR/variadic-ffi-1.rs:19:56
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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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2019-11-13 14:16:56 -08:00
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= note: expected fn pointer `unsafe extern "C" fn(isize, u8)`
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found fn item `unsafe extern "C" fn(isize, u8, ...) {foo}`
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2019-04-19 15:37:34 -07:00
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error[E0308]: mismatched types
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--> $DIR/variadic-ffi-1.rs:20:54
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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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2019-11-13 14:16:56 -08:00
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= note: expected fn pointer `extern "C" fn(isize, u8, ...)`
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found fn item `extern "C" fn(isize, u8) {bar}`
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2019-04-19 15:37:34 -07:00
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error[E0617]: can't pass `f32` to variadic function
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--> $DIR/variadic-ffi-1.rs:22:19
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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:23:19
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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:24:19
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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:25:19
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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:26:19
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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:27:19
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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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2018-08-08 14:28:26 +02:00
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2019-04-19 15:37:34 -07:00
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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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