From 090327868d8beeeb38bc45de961550a815bcf5b0 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed, 20 Dec 2023 16:15:40 +0100
Subject: [PATCH] show the piped message if any

---
 fuzz/fuzz_targets/fuzz_common.rs | 4 ++++
 fuzz/fuzz_targets/fuzz_echo.rs   | 1 +
 fuzz/fuzz_targets/fuzz_expr.rs   | 1 +
 fuzz/fuzz_targets/fuzz_printf.rs | 1 +
 fuzz/fuzz_targets/fuzz_seq.rs    | 1 +
 fuzz/fuzz_targets/fuzz_test.rs   | 1 +
 6 files changed, 9 insertions(+)

diff --git a/fuzz/fuzz_targets/fuzz_common.rs b/fuzz/fuzz_targets/fuzz_common.rs
index 615b7b6480..11b75a2fa0 100644
--- a/fuzz/fuzz_targets/fuzz_common.rs
+++ b/fuzz/fuzz_targets/fuzz_common.rs
@@ -293,12 +293,16 @@ pub fn run_gnu_cmd(
 pub fn compare_result(
     test_type: &str,
     input: &str,
+    pipe_input: Option<&str>,
     rust_result: &CommandResult,
     gnu_result: &CommandResult,
     fail_on_stderr_diff: bool,
 ) {
     println!("Test Type: {}", test_type);
     println!("Input: {}", input);
+    if let Some(pipe) = pipe_input {
+        println!("Pipe: {}", pipe);
+    }
 
     let mut discrepancies = Vec::new();
     let mut should_panic = false;
diff --git a/fuzz/fuzz_targets/fuzz_echo.rs b/fuzz/fuzz_targets/fuzz_echo.rs
index 4a81b989a5..3f15b257e6 100644
--- a/fuzz/fuzz_targets/fuzz_echo.rs
+++ b/fuzz/fuzz_targets/fuzz_echo.rs
@@ -78,6 +78,7 @@ fuzz_target!(|_data: &[u8]| {
     compare_result(
         "echo",
         &format!("{:?}", &args[1..]),
+        None,
         &rust_result,
         &gnu_result,
         true,
diff --git a/fuzz/fuzz_targets/fuzz_expr.rs b/fuzz/fuzz_targets/fuzz_expr.rs
index bcb94de73f..cc0856edfd 100644
--- a/fuzz/fuzz_targets/fuzz_expr.rs
+++ b/fuzz/fuzz_targets/fuzz_expr.rs
@@ -86,6 +86,7 @@ fuzz_target!(|_data: &[u8]| {
     compare_result(
         "expr",
         &format!("{:?}", &args[1..]),
+        None,
         &rust_result,
         &gnu_result,
         false, // Set to true if you want to fail on stderr diff
diff --git a/fuzz/fuzz_targets/fuzz_printf.rs b/fuzz/fuzz_targets/fuzz_printf.rs
index 2f7e09cb7b..72fac540b1 100644
--- a/fuzz/fuzz_targets/fuzz_printf.rs
+++ b/fuzz/fuzz_targets/fuzz_printf.rs
@@ -99,6 +99,7 @@ fuzz_target!(|_data: &[u8]| {
     compare_result(
         "printf",
         &format!("{:?}", &args[1..]),
+        None,
         &rust_result,
         &gnu_result,
         false, // Set to true if you want to fail on stderr diff
diff --git a/fuzz/fuzz_targets/fuzz_seq.rs b/fuzz/fuzz_targets/fuzz_seq.rs
index 8dd5db40cb..7bb4f8af95 100644
--- a/fuzz/fuzz_targets/fuzz_seq.rs
+++ b/fuzz/fuzz_targets/fuzz_seq.rs
@@ -67,6 +67,7 @@ fuzz_target!(|_data: &[u8]| {
     compare_result(
         "seq",
         &format!("{:?}", &args[1..]),
+        None,
         &rust_result,
         &gnu_result,
         false, // Set to true if you want to fail on stderr diff
diff --git a/fuzz/fuzz_targets/fuzz_test.rs b/fuzz/fuzz_targets/fuzz_test.rs
index f9f077c443..bed7ca7708 100644
--- a/fuzz/fuzz_targets/fuzz_test.rs
+++ b/fuzz/fuzz_targets/fuzz_test.rs
@@ -203,6 +203,7 @@ fuzz_target!(|_data: &[u8]| {
     compare_result(
         "test",
         &format!("{:?}", &args[1..]),
+        None,
         &rust_result,
         &gnu_result,
         false, // Set to true if you want to fail on stderr diff