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