Changeset 1628 for trunk

Timestamp:

Nov 17, 2008, 10:24:18 PM (12 years ago)

Author:

Peter

Message:

improving exception message

Location:

trunk/yat/utility

Files:

• FileUtil.cc (modified) (1 diff)
• OptionFile.cc (modified) (2 diffs)

trunk/yat/utility/FileUtil.cc

@@ -98 +98 @@
     if ( failed && (errno!=ENOENT) ) {
       std::stringstream ss;
-      ss << "stat(2) call failed with errno: " << errno;
+      ss << "stat(2) call failed with errno: " << errno << "\n"
+         << strerror(errno);
       throw IO_error(ss.str());
     }

trunk/yat/utility/OptionFile.cc

@@ -48 +48 @@
       return;
     FileUtil fu(value().c_str());
-    if (exist_ && !fu.exists()){
+    bool exists=false;
+    try {
+      exists = fu.exists();
+    }
+    catch (IO_error& e) {
+      std::stringstream ss;
+      ss << "cannot stat `" << value() << "': " << strerror(errno);
+      errno = 0;
+      throw cmd_error(ss.str());
+    }
+    if (exist_ && !exists){
       std::stringstream ss;
       ss << "cannot stat `" << value() << "': No such file or directory";
@@ -58 +68 @@
         if (*iter=='r' && fu.permissions("r")){
           std::stringstream ss;
-          ss << "cannot stat `" << value() << "': No such file or directory";
+          ss << "cannot open `" << value() << "' for reading: Permission denied";
           throw cmd_error(ss.str());
         }