diff options
Diffstat (limited to 'kernel/kapi/devices.cpp')
| -rw-r--r-- | kernel/kapi/devices.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/kapi/devices.cpp b/kernel/kapi/devices.cpp index c0b738e..7d35778 100644 --- a/kernel/kapi/devices.cpp +++ b/kernel/kapi/devices.cpp @@ -11,6 +11,7 @@ #include <atomic> #include <cstddef> #include <optional> +#include <string_view> #include <utility> namespace kapi::devices @@ -62,4 +63,25 @@ namespace kapi::devices return false; } + auto find_device(std::size_t major, std::size_t minor) -> kstd::observer_ptr<device> + { + if (device_tree.contains(std::pair{major, minor})) + { + return device_tree.at(std::pair{major, minor}); + } + return nullptr; + } + + auto find_device(std::string_view name) -> kstd::observer_ptr<device> + { + for (auto const & [key, value] : device_tree) + { + if (value->name() == name) + { + return value; + } + } + return nullptr; + } + } // namespace kapi::devices
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