processes: add timeouts and keep decoding off the runtime

1 files changed, 14 insertions, 5 deletions

diff --git a/src/commands/math.rs b/src/commands/math.rs
index 43a7de8..25ddaab 100644
--- a/src/commands/math.rs
+++ b/src/commands/math.rs
@@ -57,11 +57,20 @@ pub async fn math(
         return Ok(());
     }
 
-    let output = tokio::process::Command::new("qalc")
-        .arg(&equation)
-        .output()
-        .await
-        .map_err(|e| Error::Custom(lang::fmt_math_qalc_err(&e)))?;
+    let output = match tokio::time::timeout(
+        std::time::Duration::from_secs(5),
+        tokio::process::Command::new("qalc")
+            .arg(&equation)
+            .output(),
+    )
+    .await
+    {
+        Ok(result) => result.map_err(|e| Error::Custom(lang::fmt_math_qalc_err(&e)))?,
+        Err(_) => {
+            ctx.say(lang::L_MATH_NO_RESULT).await?;
+            return Ok(());
+        }
+    };
 
     let result = String::from_utf8_lossy(&output.stdout).trim().to_string();
     if result.is_empty() {