Function validate_mount_source

crates/openshell-core/src/driver_mounts.rs:36–47

Validate a non-empty driver mount source.

(source: &str, field: &str)

/// Validate a non-empty driver mount source.
pub fn validate_mount_source(source: &str, field: &str) -> Result<(), String> {
    if source.is_empty() {
        return Err(format!("{field} must not be empty"));
    }
    if source != source.trim() {
        return Err(format!("{field} must not contain surrounding whitespace"));
    }
    if source.as_bytes().contains(&0) {
        return Err(format!("{field} must not contain NUL bytes"));
    }
    Ok(())
}

/// Validate a bind mount source as an absolute host path.
pub fn validate_absolute_mount_source(source: &str, field: &str) -> Result<(), String> {