diff options
Diffstat (limited to 'src/server_set.c')
-rw-r--r-- | src/server_set.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/server_set.c b/src/server_set.c new file mode 100644 index 0000000..07fa069 --- /dev/null +++ b/src/server_set.c @@ -0,0 +1,48 @@ +/* + * active port forwarder - software for secure forwarding + * Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include <stdlib.h> +#include <assert.h> + +#include "string_functions.h" + +/* + * Function name: set_value + * Description: If the variable has no value, set it from the given string. + * If the given string is NULL, use default value. + * Arguments: dest - the destination variable + * from - the given string + * def - the default value + */ + +void +set_value(char** dest, char* from, char* def) +{ + assert(dest != NULL); + + if ((*dest) == NULL) { + if (from != NULL) { + string_cp(dest, from); + } + else { + (*dest) = def; + } + } +} |