Changeset 1627

Timestamp:

Nov 17, 2008, 2:27:46 AM (15 years ago)

Author:

Peter

Message:

adding a function FileUtil::lexists that uses lstat rather than stat.

Location:

trunk/yat/utility

Files:

• FileUtil.cc (modified) (2 diffs)
• FileUtil.h (modified) (2 diffs)

trunk/yat/utility/FileUtil.cc

@@ -90 +90 @@
   {
     struct stat statt;
-    if ( stat(path_.c_str(),&statt) && (errno!=ENOENT) ) {
+    return exists_common(stat(path_.c_str(),&statt));
+  }
+
+
+  bool FileUtil::exists_common(bool failed) const
+  {
+    if ( failed && (errno!=ENOENT) ) {
       std::stringstream ss;
       ss << "stat(2) call failed with errno: " << errno;
@@ -103 +109 @@
 
 
+  bool FileUtil::lexists(void) const
+  {
+    struct stat statt;
+    return exists_common(lstat(path_.c_str(),&statt));
+  }
+
+
   const std::string& FileUtil::path(void) const
   {

trunk/yat/utility/FileUtil.h

@@ -88 +88 @@
     bool exists(void) const;
 
+    /**
+       Same as exists(void) but uses \a lstat rather than \a
+       stat. That implies that the function will return true also if
+       \a path is a broken link.
+
+       \return true if file exists
+
+       \see lstat(2)
+       
+       \since New in yat 0.5
+     */
+    bool lexists(void) const;
+
     ///
     /// \brief Get path associated with the object.
@@ -98 +111 @@
     ///
     FileUtil(const FileUtil&);
+    FileUtil& operator=(const FileUtil&);
+
+    bool exists_common(bool) const;
 
     std::string path_;