From c58bec935c3adffac9d99b1675a563d7f2e9ae04 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Thu, 25 Jun 2020 04:23:35 +0300
Subject: libcamera: utils: Add map_keys() function
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Add a map_keys() function to the utils namespace to extract keys from a
map.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Niklas: change return type to std::vector instead of std::set]
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
 src/libcamera/utils.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/libcamera')

diff --git a/src/libcamera/utils.cpp b/src/libcamera/utils.cpp
index d55338fe..0567328f 100644
--- a/src/libcamera/utils.cpp
+++ b/src/libcamera/utils.cpp
@@ -127,6 +127,13 @@ std::string dirname(const std::string &path)
 	return path.substr(0, pos + 1);
 }
 
+/**
+ * \fn std::vector<typename T::key_type> map_keys(const T &map)
+ * \brief Retrieve the keys of a std::map<>
+ * \param[in] map The map whose keys to retrieve
+ * \return A std::vector<> containing the keys of \a map
+ */
+
 /**
  * \fn libcamera::utils::set_overlap(InputIt1 first1, InputIt1 last1,
  *				     InputIt2 first2, InputIt2 last2)
-- 
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