Version 1

[yaffs-website] / node_modules / fs-extra / lib / copy-sync / copy-file-sync.js

diff --git a/node_modules/fs-extra/lib/copy-sync/copy-file-sync.js b/node_modules/fs-extra/lib/copy-sync/copy-file-sync.js
new file mode 100644 (file)
index 0000000..9cac892
--- /dev/null
+++ b/node_modules/fs-extra/lib/copy-sync/copy-file-sync.js
@@ -0,0 +1,42 @@
+var fs = require('graceful-fs')
+
+var BUF_LENGTH = 64 * 1024
+var _buff = new Buffer(BUF_LENGTH)
+
+function copyFileSync (srcFile, destFile, options) {
+  var clobber = options.clobber
+  var preserveTimestamps = options.preserveTimestamps
+
+  if (fs.existsSync(destFile)) {
+    if (clobber) {
+      fs.unlinkSync(destFile)
+    } else {
+      var err = new Error('EEXIST: ' + destFile + ' already exists.')
+      err.code = 'EEXIST'
+      err.errno = -17
+      err.path = destFile
+      throw err
+    }
+  }
+
+  var fdr = fs.openSync(srcFile, 'r')
+  var stat = fs.fstatSync(fdr)
+  var fdw = fs.openSync(destFile, 'w', stat.mode)
+  var bytesRead = 1
+  var pos = 0
+
+  while (bytesRead > 0) {
+    bytesRead = fs.readSync(fdr, _buff, 0, BUF_LENGTH, pos)
+    fs.writeSync(fdw, _buff, 0, bytesRead)
+    pos += bytesRead
+  }
+
+  if (preserveTimestamps) {
+    fs.futimesSync(fdw, stat.atime, stat.mtime)
+  }
+
+  fs.closeSync(fdr)
+  fs.closeSync(fdw)
+}
+
+module.exports = copyFileSync