From d43eeac5b61c7e3b9cd1aa8a29690d7864d13636 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Tempel?= <tempel@uni-bremen.de>
Date: Mon, 30 Jan 2023 19:17:13 +0100
Subject: [PATCH] fixup! coverage: Import most recent version from Zephyr

---
 dist/tools/coverage/coverage.py |  2 ++
 sys/include/coverage.h          | 31 +++++++++++++++++++------------
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/dist/tools/coverage/coverage.py b/dist/tools/coverage/coverage.py
index 0995b0ff7c0cd..301a634b0cee2 100755
--- a/dist/tools/coverage/coverage.py
+++ b/dist/tools/coverage/coverage.py
@@ -14,12 +14,14 @@
 import re
 import sys
 
+
 def get_input_stream(input_file):
     if input_file == "-":
         return sys.stdin
     else:
         return open(input_file, 'r')
 
+
 def retrieve_data(input_file):
     extracted_coverage_info = {}
     capture_data = False
diff --git a/sys/include/coverage.h b/sys/include/coverage.h
index b4ac5c19b80bc..b9c203790bb52 100644
--- a/sys/include/coverage.h
+++ b/sys/include/coverage.h
@@ -26,8 +26,12 @@
  * Which is governed by section 7 of additional permissions.
  */
 
-#ifndef _COVERAGE_H_
-#define _COVERAGE_H_
+#ifndef COVERAGE_H
+#define COVERAGE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #if (__GNUC__ >= 10)
 #define GCOV_COUNTERS 8U
@@ -72,8 +76,8 @@ typedef uint64_t gcov_type;
  *  at run-time with the exception of the values array.
  */
 struct gcov_ctr_info {
-    unsigned int num;    /* number of counter values for this type */
-    gcov_type *values;   /* array of counter values for this type */
+    unsigned int num;    /**< number of counter values for this type */
+    gcov_type *values;   /**< array of counter values for this type */
 };
 
 /**
@@ -102,17 +106,20 @@ struct gcov_fn_info {
  * at run-time with the exception of the next pointer.
  */
 struct gcov_info {
-    unsigned int version;        /**< Gcov version (same as GCC version) */
-    struct gcov_info *next;      /**< List head for a singly-linked list */
-    unsigned int stamp;          /**< Uniquifying time stamp */
+    unsigned int version;             /**< Gcov version (same as GCC version) */
+    struct gcov_info *next;           /**< List head for a singly-linked list */
+    unsigned int stamp;               /**< Uniquifying time stamp */
 #ifdef GCOV_12_FORMAT
-    unsigned int checksum;		/**< unique object checksum */
+    unsigned int checksum;            /**< unique object checksum */
 #endif
-    const char *filename;        /**< Name of the associated gcda data file */
-    /* merge functions, null for unused*/
-    void (*merge[GCOV_COUNTERS])(gcov_type **<, unsigned int);
+    const char *filename;             /**< Name of the associated gcda data file */
+    void (*merge[GCOV_COUNTERS])(gcov_type *, unsigned int); /**< merge functions, null for unused */
     unsigned int n_functions;         /**< number of instrumented functions */
     struct gcov_fn_info **functions;  /**< function information */
 };
 
-#endif /* _COVERAGE_H_ */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* COVERAGE_H */