From d7839de1f27a72aed84080756ce95231093b997a Mon Sep 17 00:00:00 2001
From: itchyny <itchyny@cybozu.co.jp>
Date: Mon, 26 Jun 2023 23:12:29 +0900
Subject: [PATCH] Fix halt_error to output the message in raw mode as
 documented

---
 src/main.c   | 3 ++-
 tests/shtest | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index 5f9e2b977f..1cc6542558 100644
--- a/src/main.c
+++ b/src/main.c
@@ -217,7 +217,8 @@ static int process(jq_state *jq, jv value, int flags, int dumpopts) {
     jv error_message = jq_get_error_message(jq);
     if (jv_get_kind(error_message) == JV_KIND_STRING) {
       // No prefix should be added to the output of `halt_error`.
-      fprintf(stderr, "%s", jv_string_value(error_message));
+      fwrite(jv_string_value(error_message), 1,
+          jv_string_length_bytes(jv_copy(error_message)), stderr);
     } else if (jv_get_kind(error_message) == JV_KIND_NULL) {
       // Halt with no output
     } else if (jv_is_valid(error_message)) {
diff --git a/tests/shtest b/tests/shtest
index dc9e4ad0bf..4a4f855a64 100755
--- a/tests/shtest
+++ b/tests/shtest
@@ -279,7 +279,11 @@ if [ -n "$($VALGRIND $Q $JQ -n '"xyz\n" | halt_error(1)' 2>/dev/null)" ]; then
     echo "jq halt_error(1) had unexpected output on stdout" 1>&2
     exit 1
 fi
-if [ "$($VALGRIND $Q $JQ -n '"xyz\n" | halt_error(1)' 2>&1)" != "xyz" ]; then
+if [ "$($VALGRIND $Q $JQ -n '"xy" | halt_error(1)' 2>&1 || echo "z")" != "xyz" ]; then
+    echo "jq halt_error(1) had unexpected output" 1>&2
+    exit 1
+fi
+if [ "$($VALGRIND $Q $JQ -n '"x\u0000y\u0000z" | halt_error(1)' 2>&1 | tr '\0' '.')" != "x.y.z" ]; then
     echo "jq halt_error(1) had unexpected output" 1>&2
     exit 1
 fi