From 4fa6174d1cf56c7e1f294853041fc17cedb91efa Mon Sep 17 00:00:00 2001
From: Mike L <cl.jeremy@qq.com>
Date: Wed, 30 Apr 2025 00:38:59 +0200
Subject: [PATCH] Fix handling LIST before anih

---
 ani2cape.py        | 5 ++++-
 ani2gif.py         | 5 ++++-
 ani2spritesheet.py | 5 ++++-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/ani2cape.py b/ani2cape.py
index ac01cc0..67feffb 100644
--- a/ani2cape.py
+++ b/ani2cape.py
@@ -43,10 +43,13 @@ def analyzeANI(f):
         return {'code': -1, 'msg': 'File is not a ANI File!'}
     logging.debug('魔数检查完成！')
     frameRate = (1/60)*1000
+    readANIH = False
     while (True):
         chunkName = f.read(4)
-        if chunkName == b'LIST':
+        if chunkName == b'LIST' and readANIH:
             break
+        if chunkName == b'anih':
+            readANIH = True
         chunkSize = int.from_bytes(f.read(4), byteorder='little', signed=False)
         if chunkName.lower() == b'rate':
             logging.debug('发现自定义速率！')
diff --git a/ani2gif.py b/ani2gif.py
index 818f5fd..e00ae28 100644
--- a/ani2gif.py
+++ b/ani2gif.py
@@ -17,10 +17,13 @@ def analyzeANIFile(filePath):
             return {"code":-1,"msg":"File is not a ANI File!"}
         logging.debug('魔数检查完成！')
         frameRate = (1/60)*1000
+        readANIH = False
         while(True):
             chunkName = f.read(4)
-            if chunkName == b'LIST':
+            if chunkName == b'LIST' and readANIH:
                 break
+            if chunkName == b'anih':
+                readANIH = True
             chunkSize = int.from_bytes(f.read(4), byteorder='little', signed=False)
             if chunkName.lower() == b'rate':
                 logging.debug('发现自定义速率！')
diff --git a/ani2spritesheet.py b/ani2spritesheet.py
index c25bd9e..4332bbe 100644
--- a/ani2spritesheet.py
+++ b/ani2spritesheet.py
@@ -17,10 +17,13 @@ def analyzeANIFile(filePath):
             return {"code":-1,"msg":"File is not a ANI File!"}
         logging.debug('魔数检查完成！')
         frameRate = (1/60)*1000
+        readANIH = False
         while(True):
             chunkName = f.read(4)
-            if chunkName == b'LIST':
+            if chunkName == b'LIST' and readANIH:
                 break
+            if chunkName == b'anih':
+                readANIH = True
             chunkSize = int.from_bytes(f.read(4), byteorder='little', signed=False)
             if chunkName.lower() == b'rate':
                 logging.debug('发现自定义速率！')