core: Use extern "C" for RPiCamAppsVersion() call

This avoids name mangling when it is not needed. Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
raspberrypi · Jan 7, 2025 · 8d09940 · 8d09940
1 parent 9636ef2
commit 8d09940
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Showing 2 changed files with 15 additions and 8 deletions.
diff --git a/core/version.cpp.in b/core/version.cpp.in
@@ -4,6 +4,8 @@
  *
  * AUTO-GENERATED, DO NOT MODIFY!
  */
+#include <string>
+
 #include "core/version.hpp"
 
 #if LIBEGL_PRESENT
@@ -37,12 +39,16 @@ static const std::string caps {"egl:" + std::to_string(egl) +
 							   " drm:" + std::to_string(drm) +
 							   " libav:" + std::to_string(libav)};
 
-const std::string &RPiCamAppsVersion()
+extern "C" {
+
+const char *RPiCamAppsVersion()
 {
-	return version;
+	return version.c_str();
 }
 
-const std::string &RPiCamAppsCapabilities()
+const char *RPiCamAppsCapabilities()
 {
-	return caps;
+	return caps.c_str();
+}
+
 }
diff --git a/core/version.hpp b/core/version.hpp
@@ -5,7 +5,8 @@
  */
 #pragma once
 
-#include <string>
-
-const std::string &RPiCamAppsVersion();
-const std::string &RPiCamAppsCapabilities();
+extern "C"
+{
+	const char *RPiCamAppsVersion();
+	const char *RPiCamAppsCapabilities();
+}