wasmer/lib/emscripten/src/io/windows.rs

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use libc::{c_char, c_int};
use wasmer_runtime_core::vm::Ctx;
// This may be problematic for msvc which uses inline functions for the printf family
// this cfg_attr will try to link with the legacy lib that does not inline printf
// this will allow for compiliation, but will produce a linker error if there is a problem
// finding printf.
//#[cfg_attr(
// all(windows, target_env = "msvc"),
// link(name = "legacy_stdio_definitions", kind = "static-nobundle")
//)]
//extern "C" {
// #[link_name = "printf"]
// pub fn _printf(s: *const c_char, ...) -> c_int;
//}
/// putchar
pub fn putchar(chr: i32, ctx: &mut Ctx) {
unsafe { libc::putchar(chr) };
}
/// printf
pub fn printf(memory_offset: i32, extra: i32, ctx: &mut Ctx) -> i32 {
debug!("emscripten::printf {}, {}", memory_offset, extra);
// unsafe {
// let addr = emscripten_memory_pointer!(ctx.memory(0), memory_offset) as _;
// _printf(addr, extra)
// }
-1
}