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move unix code to unix only location

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This commit is contained in:
Mark McCaskey
2019-07-01 16:50:55 -07:00
parent 623bec001f
commit a4171892ea
3 changed files with 36 additions and 39 deletions
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31
lib/emscripten/src/syscalls/unix.rs
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@ -80,7 +80,7 @@ use std::ffi::CStr;
use wasmer_runtime_core::{memory::ptr::WasmPtr, vm::Ctx};
use crate::env::EmSockAddr;
use crate::utils;
use crate::utils::{self, get_cstr_path};
#[allow(unused_imports)]
use std::io::Error;
use std::mem;
@ -187,6 +187,35 @@ pub fn ___syscall83(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int
result
}
/// readlink
pub fn ___syscall85(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> i32 {
debug!("emscripten::___syscall85 (readlink)");
let pathname_addr = varargs.get_str(ctx);
let buf = varargs.get_str(ctx);
// let buf_addr: i32 = varargs.get(ctx);
let buf_size: i32 = varargs.get(ctx);
let real_path_owned = get_cstr_path(ctx, pathname_addr);
let real_path = if let Some(ref rp) = real_path_owned {
rp.as_c_str().as_ptr()
} else {
pathname_addr
};
let ret = unsafe { libc::readlink(real_path, buf as _, buf_size as _) as i32 };
if ret == -1 {
debug!("readlink failed");
return ret;
}
debug!(
"=> path: {}, buf: {}, buf_size: {}, return: {} ",
unsafe { std::ffi::CStr::from_ptr(real_path).to_str().unwrap() },
unsafe { std::ffi::CStr::from_ptr(buf as _).to_str().unwrap() },
buf_size,
ret
);
ret
}
/// ftruncate64
pub fn ___syscall194(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
debug!("emscripten::___syscall194 (ftruncate64) {}", _which);