bindings: cxx: provide line_request::chip_name()

Provide a wrapper around gpiod_line_request_get_chip_name() for C++
bindings and update the tests.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/bindings/cxx/gpiodcxx/line-request.hpp b/bindings/cxx/gpiodcxx/line-request.hpp
index c1e1520a8b42d96cc8f74cf470c71f30c9f54b0d..8c1b47436c34f53c6c44825dc2ff1142a7cbbcb4 100644 (file)
--- a/bindings/cxx/gpiodcxx/line-request.hpp
+++ b/bindings/cxx/gpiodcxx/line-request.hpp
@@ -75,6 +75,12 @@ public:
         */
        void release();
 
+       /**
+        * @brief Get the name of the chip this request was made on.
+        * @return Name to the GPIO chip.
+        */
+       ::std::string chip_name() const;
+
        /**
         * @brief Get the number of requested lines.
         * @return Number of lines in this request.

diff --git a/bindings/cxx/line-request.cpp b/bindings/cxx/line-request.cpp
index b0723c3502dea5110b6df17955b97d88b0730335..e8e0b96bdae40b224f9c5bfd6c1def3c5002aa51 100644 (file)
--- a/bindings/cxx/line-request.cpp
+++ b/bindings/cxx/line-request.cpp
@@ -63,6 +63,13 @@ GPIOD_CXX_API void line_request::release()
        this->_m_priv->request.reset();
 }
 
+GPIOD_CXX_API ::std::string line_request::chip_name() const
+{
+       this->_m_priv->throw_if_released();
+
+       return ::gpiod_line_request_get_chip_name(this->_m_priv->request.get());
+}
+
 GPIOD_CXX_API ::std::size_t line_request::num_lines() const
 {
        this->_m_priv->throw_if_released();
@@ -222,7 +229,8 @@ GPIOD_CXX_API ::std::ostream& operator<<(::std::ostream& out, const line_request
        if (!request)
                out << "gpiod::line_request(released)";
        else
-               out << "gpiod::line_request(num_lines=" << request.num_lines() <<
+               out << "gpiod::line_request(chip=\"" << request.chip_name() <<
+                      "\", num_lines=" << request.num_lines() <<
                       ", line_offsets=" << request.offsets() <<
                       ", fd=" << request.fd() <<
                       ")";

diff --git a/bindings/cxx/tests/tests-line-request.cpp b/bindings/cxx/tests/tests-line-request.cpp
index d1a56ae5087da02bd45c5417039c0b39b2847a48..9632ae0de6ab50a0197b533795ae26dce2ea9535 100644 (file)
--- a/bindings/cxx/tests/tests-line-request.cpp
+++ b/bindings/cxx/tests/tests-line-request.cpp
@@ -468,14 +468,16 @@ TEST_CASE("line_request stream insertion operator works", "[line-request]")
                .set_num_lines(4)
                .build();
 
-       auto request = ::gpiod::chip(sim.dev_path())
+       auto chip = ::gpiod::chip(sim.dev_path());
+       auto request = chip
                .prepare_request()
                .add_line_settings({ 3, 1, 0, 2}, ::gpiod::line_settings())
                .do_request();
 
        ::std::stringstream buf, expected;
 
-       expected << "gpiod::line_request(num_lines=4, line_offsets=gpiod::offsets(3, 1, 0, 2), fd=" <<
+       expected << "gpiod::line_request(chip=\"" << sim.name() <<
+                   "\", num_lines=4, line_offsets=gpiod::offsets(3, 1, 0, 2), fd=" <<
                    request.fd() << ")";
 
        SECTION("active request")