add file_clean()

GandelXIV · May 30, 2021 · 25f29c3 · 25f29c3
1 parent b9e0111
commit 25f29c3
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Showing 3 changed files with 18 additions and 0 deletions.
diff --git a/fs/fscore.c b/fs/fscore.c
@@ -187,6 +187,22 @@ int file_write(char* filename, char* data, uint32_t depth)
   return OK;
 }
 
+void file_clean(char* filename)
+{
+  if (!file_exists(filename)) return FILE_NOT_FOUND;
+  File* fp = find_file(filename);
+  Sector* fs = fp->first_sector;
+  do {
+    for (int i = 0; i < FS_SECTOR_DATA_SIZE; ++i)
+    {
+      fs->data[i] = 0;
+    }
+    Sector* next_fs = fs->next;
+    fs = next_fs;
+  } while(fs != 0);
+  return OK;
+}
+
 int file_writes(char* filename, char* text)
 {
   return file_write(filename, text, strlen(text));

diff --git a/fs/fscore.h b/fs/fscore.h
@@ -26,3 +26,4 @@ int file_size(char* name);
 int file_read(char* filename, char* output);
 int file_write(char* filename, char* data, uint32_t depth);
 int file_writes(char* filename, char* text);
+void file_clean(char* filename);
diff --git a/kernel/advanced_cmds/write_to_file.h b/kernel/advanced_cmds/write_to_file.h
@@ -8,6 +8,7 @@ void ksh_write_to_file()
   kprints("Enter data: ");
   kinputs(data);
 
+  file_clean(filename);
   file_writes(filename, data);
 
   kfree(filename);