added: function cp (only for files)

git-svn-id: svn://ttmath.org/publicrep/winix/trunk@605 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/misc.cpp

@@ -653,7 +653,64 @@ bool CreateDirs(const std::string & base_dir, const std::string & dirs, int priv
 
 
 
+bool CopyFile(FILE * in, FILE * out)
+{
+char buf[1024];
+size_t buflen = sizeof(buf)/sizeof(char);
+size_t len;
 
+	do
+	{
+		len = fread(buf, 1, buflen, in);
+
+		if( len > 0 )
+			fwrite(buf, 1, len, out);
+
+		if( ferror(in) || ferror(out) )
+			return false;
+	}
+	while( !feof(in) );
+
+return true;
+}
+
+
+bool CopyFile(const char * src, const char * dst)
+{
+FILE * in, * out;
+
+	in = fopen(src, "rb");
+
+	if( !in )
+		return false;
+
+	out = fopen(dst, "wb");
+
+	if( !out )
+	{
+		fclose(in);
+		return false;
+	}
+
+	bool res = CopyFile(in, out);
+
+	fclose(in);
+	fclose(out);
+
+	if( res && ferror(out) )
+		res = false;
+
+	if( !res )
+		remove(dst);
+
+return res;
+}
+
+
+bool CopyFile(const std::string & src, const std::string & dst)
+{
+	return CopyFile(src.c_str(), dst.c_str());
+}
 
 
 // if there is not an extension it returns a pointer to the last '\0' character