X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Ffile.h;h=36f37706a8432b35aed12f8772b9bd3958c7a78b;hb=99b9121e2158603372c7313400283b622e6754d8;hp=85075d0cca6e8709db663012ced369dd5f0cda52;hpb=ea8bf8f588310b0d7fd3297d74907602705bba1d;p=libs%2Fcore.git

diff --git a/source/io/file.h b/source/io/file.h
index 85075d0..36f3770 100644
--- a/source/io/file.h
+++ b/source/io/file.h
@@ -15,14 +15,14 @@ class file_not_found: public std::runtime_error
 {
 public:
 	file_not_found(const std::string &fn): std::runtime_error(fn) { }
-	~file_not_found() throw() { }
+	virtual ~file_not_found() throw() = default;
 };
 
 class file_already_exists: public std::runtime_error
 {
 public:
 	file_already_exists(const std::string &fn): std::runtime_error(fn) { }
-	~file_already_exists() throw() { }
+	virtual ~file_already_exists() throw() = default;
 };
 
 
@@ -61,8 +61,8 @@ public:
 	virtual void set_inherit(bool);
 
 protected:
-	virtual unsigned do_write(const char *, unsigned);
-	virtual unsigned do_read(char *, unsigned);
+	virtual std::size_t do_write(const char *, std::size_t);
+	virtual std::size_t do_read(char *, std::size_t);
 
 public:
 	virtual void sync();
@@ -97,10 +97,10 @@ public:
 	virtual void set_inherit(bool);
 
 protected:
-	virtual unsigned do_write(const char *, unsigned);
-	virtual unsigned do_read(char *, unsigned);
+	virtual std::size_t do_write(const char *, std::size_t);
+	virtual std::size_t do_read(char *, std::size_t);
 public:
-	virtual unsigned put(char);
+	virtual std::size_t put(char);
 
 	virtual bool getline(std::string &);
 	virtual int get();