From 7aa58c8e86b24b2e99d4d1b4629c03b668c15d8c Mon Sep 17 00:00:00 2001
From: Christopher Monsanto <chris@monsan.to>
Date: Wed, 22 Dec 2021 16:16:45 -0500
Subject: [PATCH] Revert "Remove malloc(): corrupted top size workaround"

This reverts commit ac3dbe0178958cd0e2a1371055fa1befff279fce.
---
 tools/sheet/index.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/sheet/index.ts b/tools/sheet/index.ts
index 9ba4fa41..ec53e7dc 100644
--- a/tools/sheet/index.ts
+++ b/tools/sheet/index.ts
@@ -38,8 +38,15 @@ const proc = cp.spawn("magick", [
     stdio: ['pipe', 'inherit', 'inherit']
 });
 
+// Write one at a time to avoid "malloc(): corrupted top size" error
 for (const entry of sheet.entries) {
-    proc.stdin.write(entry + "\n");
+    if (!proc.stdin.write(entry + "\n")) {
+        // imagick doesn't like it when it receives the input too fast. This
+        // seems to avoid a realloc() invalid next size error.
+        await new Promise(resolve => {
+            proc.stdin.once('drain', resolve);
+        });
+    }
 }
 proc.stdin.end();