X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Ffile.cpp;h=208371df8bff5b33bedb5ddbd72847dfc6fcf7d2;hp=dacc5d7c0ea47b1edd5449555633b75dc9382013;hb=fd074aa05df58fd60d490bb4e367aa2c82338741;hpb=70929f1a2265b112405eb2d4b03e1a374008b57d

diff --git a/source/io/file.cpp b/source/io/file.cpp
index dacc5d7..208371d 100644
--- a/source/io/file.cpp
+++ b/source/io/file.cpp
@@ -17,7 +17,9 @@ File::File(const string &fn, Mode m, CreateMode cm)
 {
 	if(!(m&M_RDWR))
 		throw invalid_argument("File::File mode");
-	if(cm&~(C_CREATE|C_TRUNCATE))
+	if(cm&~(C_CREATE|C_TRUNCATE|C_EXCLUSIVE))
+		throw invalid_argument("File::File create");
+	if((cm&C_EXCLUSIVE) && (!(cm&C_CREATE) || (cm&C_TRUNCATE)))
 		throw invalid_argument("File::File create");
 
 	mode = m;
@@ -38,6 +40,7 @@ File::File(const string &fn, Mode m, CreateMode cm)
 		case C_CREATE:   create_flags = OPEN_ALWAYS; break;
 		case C_TRUNCATE: create_flags = TRUNCATE_EXISTING; break;
 		case C_CREATE+C_TRUNCATE: create_flags = CREATE_ALWAYS; break;
+		case C_CREATE+C_EXCLUSIVE: create_flags = CREATE_NEW; break;
 		}
 	}
 
@@ -47,6 +50,8 @@ File::File(const string &fn, Mode m, CreateMode cm)
 		int err = GetLastError();
 		if(err==ERROR_FILE_NOT_FOUND)
 			throw file_not_found(fn);
+		else if(err==ERROR_FILE_EXISTS)
+			throw file_already_exists(fn);
 		else
 			throw system_error(format("CreateFile(%s)", fn), err);
 	}
@@ -66,6 +71,8 @@ File::File(const string &fn, Mode m, CreateMode cm)
 			flags |= O_CREAT;
 		if(cm&C_TRUNCATE)
 			flags |= O_TRUNC;
+		if(cm&C_EXCLUSIVE)
+			flags |= O_EXCL;
 	}
 	if(mode&M_APPEND)
 		flags |= O_APPEND;
@@ -78,6 +85,8 @@ File::File(const string &fn, Mode m, CreateMode cm)
 		int err = errno;
 		if(err==ENOENT)
 			throw file_not_found(fn);
+		else if(err==EEXIST)
+			throw file_already_exists(fn);
 		else
 			throw system_error(format("open(%s)", fn), err);
 	}
@@ -153,5 +162,11 @@ SeekOffset File::tell() const
 	return sys_seek(const_cast<Handle &>(handle), 0, S_CUR);
 }
 
+const Handle &File::get_handle(Mode m)
+{
+	check_access(m);
+	return handle;
+}
+
 } // namespace IO
 } // namespace Msp