解决一个擦除的bug

dump_all_corruptions.py

@@ -0,0 +1,31 @@
+import sys, os
+sys.stdout.reconfigure(encoding='utf-8', errors='replace')
+rep = chr(0xfffd)
+base = 'D:\\Code\\DTU 程序\\STM32F4-Base\\'
+
+files = [
+    'Drivers\\BSP\\CH395F\\ch395f.c',
+    'Drivers\\BSP\\CH395F\\ch395f_test.c',
+    'Drivers\\BSP\\NET\\net_select.c',
+    'Drivers\\BSP\\GD5F2GQ5UE\\gd5f2gq5ue.c',
+    'Drivers\\BSP\\SD2506\\sd2506.c',
+    'Drivers\\BSP\\TPAFE5160\\tpafe5160.c',
+]
+
+for fname in files:
+    path = base + fname
+    with open(path, 'rb') as f:
+        raw = f.read()
+    text = raw.decode('utf-8', errors='replace')
+    lines = text.split(chr(10))
+    count = text.count(rep)
+    if count == 0:
+        continue
+    print('\\n=== {} ({} remaining) ==='.format(fname, count))
+    for i, line in enumerate(lines, 1):
+        if rep in line:
+            idx = line.index(rep)
+            left = line[max(0,idx-30):idx]
+            right = line[idx+2:idx+30]
+            ctx = left + '[?]' + right
+            print('L{}: |{}|'.format(i, ctx))