fluencelabs/wasmer
1
0
Fork 0
mirror of https://github.com/fluencelabs/wasmer synced 2025-06-18 11:21:21 +00:00
Code Issues Projects Releases Wiki Activity

Improved rename function

Browse Source
This commit is contained in:
Syrus
2019-05-05 12:09:27 -07:00
parent 10a965cc1e
commit 2ba680ad2f
2 changed files with 20 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
lib/emscripten/src/syscalls/mod.rs
View File

@ -36,6 +36,7 @@ use libc::{
// writev,
stat,
write,
rename,
// sockaddr_in,
};
use wasmer_runtime_core::vm::Ctx;
@ -118,9 +119,23 @@ pub fn ___syscall20(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
unsafe { getpid() }
}
pub fn ___syscall38(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
debug!("emscripten::___syscall38");
-1
// rename
pub fn ___syscall38(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> i32 {
debug!("emscripten::___syscall38 (rename)");
let old_path_addr: u32 = varargs.get(ctx);
let new_path_addr: u32 = varargs.get(ctx);
let old_path = emscripten_memory_pointer!(ctx.memory(0), old_path_addr) as *const i8;
let new_path = emscripten_memory_pointer!(ctx.memory(0), new_path_addr) as *const i8;
let result = unsafe { rename(old_path, new_path) };
unsafe {
debug!(
"=> old_path: {}, new_path: {}, result: {}",
std::ffi::CStr::from_ptr(old_path).to_str().unwrap(),
std::ffi::CStr::from_ptr(new_path).to_str().unwrap(),
result
);
}
result
}
// rmdir