proxmox-mirrors/proxmox-backup-qemu
1
0
Fork 0
mirror of https://git.proxmox.com/git/proxmox-backup-qemu synced 2025-10-04 20:49:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

correctly convert error messages to CString

Browse Source
This commit is contained in:
Dietmar Maurer 2020-03-11 10:24:23 +01:00
parent 091e70b0c8
commit eff15f5748
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/lib.rs
View File

@ -37,9 +37,20 @@ pub extern "C" fn proxmox_backup_free_error(ptr: * mut c_char) {
}
}
// Note: UTF8 Strings may contain 0 bytes.
fn convert_error_to_cstring(err: String) -> CString {
match CString::new(err) {
Ok(msg) => msg,
Err(err) => {
eprintln!("got error containung 0 bytes: {}", err);
CString::new("failed to convert error message containing 0 bytes").unwrap()
},
}
}
macro_rules! raise_error_null {
($error:ident, $err:expr) => {{
let errmsg = CString::new($err.to_string()).unwrap(); // fixme
let errmsg = convert_error_to_cstring($err.to_string());
unsafe { *$error = errmsg.into_raw(); }
return ptr::null_mut();
}}
@ -47,7 +58,7 @@ macro_rules! raise_error_null {
macro_rules! raise_error_int {
($error:ident, $err:expr) => {{
let errmsg = CString::new($err.to_string()).unwrap(); // fixme
let errmsg = convert_error_to_cstring($err.to_string());
unsafe { *$error = errmsg.into_raw(); }
return -1 as c_int;
}}