From 830d5c37b19bf818c5d75e6e2b74f27f75c85419 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Mon, 5 May 2025 01:33:37 +0900
Subject: desugar: do not use result of assignment

---
 main.c       |  6 +++++-
 tests/038.sh | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 tests/038.sh

diff --git a/main.c b/main.c
index 1ac07e3..3cd918d 100644
--- a/main.c
+++ b/main.c
@@ -22,7 +22,11 @@ void fatal_error(char* msg) {
 int read_all(char* buf) {
     int c;
     int n = 0;
-    for (0; (c = getchar()) != -1; 0) {
+    for (0; 1; 0) {
+        c = getchar();
+        if (c == -1) {
+            break;
+        }
         buf[n] = c;
         n = n + 1;
     }
diff --git a/tests/038.sh b/tests/038.sh
new file mode 100644
index 0000000..66ab0ed
--- /dev/null
+++ b/tests/038.sh
@@ -0,0 +1,38 @@
+set -e
+
+cat <<'EOF' > input
+abc
+EOF
+cat <<'EOF' > expected
+4
+abc
+EOF
+bash ../../test_diff.sh <<'EOF'
+void* calloc();
+int getchar();
+int printf();
+
+int read_all(char* buf) {
+    int c;
+    int n = 0;
+    for (0; 1; 0) {
+        c = getchar();
+        if (c == -1) {
+            break;
+        }
+        buf[n] = c;
+        n = n + 1;
+    }
+    return n;
+}
+
+int main() {
+    char* source = calloc(1024, sizeof(char));
+    int source_len = read_all(source);
+
+    printf("%d\n", source_len);
+    printf("%s", source);
+
+    return 0;
+}
+EOF
-- 
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