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-rw-r--r--gnuradio-core/src/lib/general/gr_prefs.h22
1 files changed, 11 insertions, 11 deletions
diff --git a/gnuradio-core/src/lib/general/gr_prefs.h b/gnuradio-core/src/lib/general/gr_prefs.h
index d9b0c791ba..68957faab9 100644
--- a/gnuradio-core/src/lib/general/gr_prefs.h
+++ b/gnuradio-core/src/lib/general/gr_prefs.h
@@ -46,39 +46,39 @@ public:
/*!
* \brief Does \p section exist?
*/
- virtual bool has_section(const std::string section);
+ virtual bool has_section(const std::string &section);
/*!
* \brief Does \p option exist?
*/
- virtual bool has_option(const std::string section, const std::string option);
+ virtual bool has_option(const std::string &section, const std::string &option);
/*!
* \brief If option exists return associated value; else default_val.
*/
- virtual const std::string get_string(const std::string section,
- const std::string option,
- const std::string default_val);
+ virtual const std::string get_string(const std::string &section,
+ const std::string &option,
+ const std::string &default_val);
/*!
* \brief If option exists and value can be converted to bool, return it; else default_val.
*/
- virtual bool get_bool(const std::string section,
- const std::string option,
+ virtual bool get_bool(const std::string &section,
+ const std::string &option,
bool default_val);
/*!
* \brief If option exists and value can be converted to long, return it; else default_val.
*/
- virtual long get_long(const std::string section,
- const std::string option,
+ virtual long get_long(const std::string &section,
+ const std::string &option,
long default_val);
/*!
* \brief If option exists and value can be converted to double, return it; else default_val.
*/
- virtual double get_double(const std::string section,
- const std::string option,
+ virtual double get_double(const std::string &section,
+ const std::string &option,
double default_val);
protected: