src/test/ui/c-variadic/variadic-ffi-1.stderr

   1 error[E0045]: C-variadic function must have C or cdecl calling convention
   2   --> $DIR/variadic-ffi-1.rs:9:5
   3    |
   4 LL |     fn printf(_: *const u8, ...);
   5    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ C-variadics require C or cdecl calling convention
   6
   7 error[E0060]: this function takes at least 2 arguments but 0 arguments were supplied
   8   --> $DIR/variadic-ffi-1.rs:20:9
   9    |
  10 LL |         foo();
  11    |         ^^^-- supplied 0 arguments
  12    |         |
  13    |         expected at least 2 arguments
  14    |
  15 note: function defined here
  16   --> $DIR/variadic-ffi-1.rs:13:8
  17    |
  18 LL |     fn foo(f: isize, x: u8, ...);
  19    |        ^^^
  20
  21 error[E0060]: this function takes at least 2 arguments but 1 argument was supplied
  22   --> $DIR/variadic-ffi-1.rs:21:9
  23    |
  24 LL |         foo(1);
  25    |         ^^^ - supplied 1 argument
  26    |         |
  27    |         expected at least 2 arguments
  28    |
  29 note: function defined here
  30   --> $DIR/variadic-ffi-1.rs:13:8
  31    |
  32 LL |     fn foo(f: isize, x: u8, ...);
  33    |        ^^^
  34
  35 error[E0308]: mismatched types
  36   --> $DIR/variadic-ffi-1.rs:23:56
  37    |
  38 LL |         let x: unsafe extern "C" fn(f: isize, x: u8) = foo;
  39    |                -------------------------------------   ^^^ expected non-variadic fn, found variadic function
  40    |                |
  41    |                expected due to this
  42    |
  43    = note: expected fn pointer `unsafe extern "C" fn(_, _)`
  44                  found fn item `unsafe extern "C" fn(_, _, ...) {foo}`
  45
  46 error[E0308]: mismatched types
  47   --> $DIR/variadic-ffi-1.rs:24:54
  48    |
  49 LL |         let y: extern "C" fn(f: isize, x: u8, ...) = bar;
  50    |                -----------------------------------   ^^^ expected variadic fn, found non-variadic function
  51    |                |
  52    |                expected due to this
  53    |
  54    = note: expected fn pointer `extern "C" fn(_, _, ...)`
  55                  found fn item `extern "C" fn(_, _) {bar}`
  56
  57 error[E0617]: can't pass `f32` to variadic function
  58   --> $DIR/variadic-ffi-1.rs:26:19
  59    |
  60 LL |         foo(1, 2, 3f32);
  61    |                   ^^^^ help: cast the value to `c_double`: `3f32 as c_double`
  62
  63 error[E0617]: can't pass `bool` to variadic function
  64   --> $DIR/variadic-ffi-1.rs:27:19
  65    |
  66 LL |         foo(1, 2, true);
  67    |                   ^^^^ help: cast the value to `c_int`: `true as c_int`
  68
  69 error[E0617]: can't pass `i8` to variadic function
  70   --> $DIR/variadic-ffi-1.rs:28:19
  71    |
  72 LL |         foo(1, 2, 1i8);
  73    |                   ^^^ help: cast the value to `c_int`: `1i8 as c_int`
  74
  75 error[E0617]: can't pass `u8` to variadic function
  76   --> $DIR/variadic-ffi-1.rs:29:19
  77    |
  78 LL |         foo(1, 2, 1u8);
  79    |                   ^^^ help: cast the value to `c_uint`: `1u8 as c_uint`
  80
  81 error[E0617]: can't pass `i16` to variadic function
  82   --> $DIR/variadic-ffi-1.rs:30:19
  83    |
  84 LL |         foo(1, 2, 1i16);
  85    |                   ^^^^ help: cast the value to `c_int`: `1i16 as c_int`
  86
  87 error[E0617]: can't pass `u16` to variadic function
  88   --> $DIR/variadic-ffi-1.rs:31:19
  89    |
  90 LL |         foo(1, 2, 1u16);
  91    |                   ^^^^ help: cast the value to `c_uint`: `1u16 as c_uint`
  92
  93 error: aborting due to 11 previous errors
  94
  95 Some errors have detailed explanations: E0045, E0060, E0308, E0617.
  96 For more information about an error, try `rustc --explain E0045`.