xiaoxiang781216 commented on code in PR #12615:
URL: https://github.com/apache/nuttx/pull/12615#discussion_r1663937142
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fs/fat/fs_fat32.c:
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@@ -470,6 +474,271 @@ static int fat_close(FAR struct file *filep)
return ret;
}
+/****************************************************************************
+ * Name: fat_zero_cluster
+
+ * Description:
+ * Zero the data in a cluster. Use to zero the data in the gap between EOF
+ * and the write offset.
+ *
+ * Input Parameters:
+ * fs - A reference to the fat volume object instance
+ * cluster - Cluster index to be zeroed
+ * start - The starting position in the cluster
+ * end - The ending position in the cluster
+ *
+ * Returned Value:
+ * Zero (OK) is returned on success; A negated errno value is returned on
+ * any failure.
+ *
+ ****************************************************************************/
+
+static int fat_zero_cluster(FAR struct fat_mountpt_s *fs, int cluster,
+ int start, int end)
+{
+ uint8_t *buf;
Review Comment:
add FAR for ALL pointer
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