Paul Sajna
30 lines
713 B
Rust
30 lines
713 B
Rust
use core::slice;
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pub unsafe fn cstr_to_slice<'a>(buf: *const c_char) -> &'a [u8] {
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slice::from_raw_parts(buf as *const u8, ::strlen(buf) as usize)
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}
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pub fn chdir(path: *const c_char) -> c_int {
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syscall::chdir(cstr_to_slice(path))? as c_int
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}
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pub fn close(fildes: c_int) -> c_int {
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syscall::close(fildes as usize)? as c_int
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}
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pub fn dup(fildes: c_int) -> c_int {
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syscall::dup(file as usize, &[])? as c_int
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}
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pub fn dup2(fildes: c_int, fildes2) -> c_int {
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syscall::dup2(fildes as usize, fildes2 as usize, &[])? as c_int
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pub fn exit(status: c_int) -> ! {
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syscall::exit(status);
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}
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pub fn write(fd: c_int, buf: &[u8]) -> ssize_t {
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syscall::write(fd, buf);
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buf.len() as ssize_t
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}
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