2019-02-07 01:56:01 +00:00
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use libc::{c_char, c_int};
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use wasmer_runtime_core::vm::Ctx;
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// This may be problematic for msvc which uses inline functions for the printf family
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// this cfg_attr will try to link with the legacy lib that does not inline printf
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// this will allow for compiliation, but will produce a linker error if there is a problem
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// finding printf.
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2019-02-08 21:51:29 +00:00
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//#[cfg_attr(
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// all(windows, target_env = "msvc"),
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// link(name = "legacy_stdio_definitions", kind = "static-nobundle")
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//)]
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//extern "C" {
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// #[link_name = "printf"]
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// pub fn _printf(s: *const c_char, ...) -> c_int;
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//}
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2019-02-07 01:56:01 +00:00
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/// putchar
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pub fn putchar(chr: i32, ctx: &mut Ctx) {
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unsafe { libc::putchar(chr) };
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}
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/// printf
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pub fn printf(memory_offset: i32, extra: i32, ctx: &mut Ctx) -> i32 {
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debug!("emscripten::printf {}, {}", memory_offset, extra);
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2019-02-08 21:51:29 +00:00
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// unsafe {
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// let addr = emscripten_memory_pointer!(ctx.memory(0), memory_offset) as _;
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// _printf(addr, extra)
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// }
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-1
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2019-02-07 01:56:01 +00:00
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}
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