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Export semihosting::hio::open() #387

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Export semihosting::hio::open() #387

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5 changes: 4 additions & 1 deletion cortex-m-semihosting/src/hio.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,10 @@ pub fn hstdout() -> Result<HostStream, ()> {
open(":tt\0", nr::open::W_TRUNC)
}

fn open(name: &str, mode: usize) -> Result<HostStream, ()> {
/// Open a file on the host. The filename must be zero-terminated.
pub fn open(name: &str, mode: usize) -> Result<HostStream, ()> {
debug_assert_eq!(name.bytes().last(), Some(0), "the filename must be zero-terminated");

let name = name.as_bytes();
match unsafe { syscall!(OPEN, name.as_ptr(), mode, name.len() - 1) } as isize {
-1 => Err(()),
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