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/* Copyright (C) 2023 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
//! Rust bindings to the "feature" API.
//!
//! As this feature module is a binding to a Suricata C module it is
//! not available to Rust unit tests. Instead when running Rust unit
//! tests and "mock" version is provided that will return true for any
//! feature starting with "true" and false for any other feature name.
#[cfg(test)]
mod mock {
/// Check for a feature returning true if found.
///
/// This a "mock" variant of `requires` that will return true for
/// any feature starting with string `true`, and false for
/// anything else.
pub fn requires(feature: &str) -> bool {
return feature.starts_with("true");
}
}
#[cfg(not(test))]
mod real {
use std::ffi::CString;
use std::os::raw::c_char;
extern "C" {
fn RequiresFeature(feature: *const c_char) -> bool;
}
/// Check for a feature returning true if found.
pub fn requires(feature: &str) -> bool {
if let Ok(feature) = CString::new(feature) {
unsafe { RequiresFeature(feature.as_ptr()) }
} else {
false
}
}
}
#[cfg(not(test))]
pub use real::*;
#[cfg(test)]
pub use mock::*;
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