From d395c7bbb73799ecef5a741a6d8c79d54070ee8c Mon Sep 17 00:00:00 2001
From: smathis <stefan.mathis@psi.ch>
Date: Tue, 17 Jun 2025 08:51:58 +0200
Subject: [PATCH] Added getAxisParam variant for char arrays

---
 src/sinqAxis.h | 40 ++++++++++++++++++++++++++++------------
 1 file changed, 28 insertions(+), 12 deletions(-)

diff --git a/src/sinqAxis.h b/src/sinqAxis.h
index 042f1cd..319116e 100644
--- a/src/sinqAxis.h
+++ b/src/sinqAxis.h
@@ -633,17 +633,6 @@ asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
     return asynSuccess;
 }
 
-template <typename A, typename C, size_t N>
-asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
-                            int (C::*func)(), char (*readValue)[N],
-                            const char *callerFunctionName, int lineNumber,
-                            TypeTag<char>) {
-    // Decay the array to char*
-    return getAxisParamImpl(axis, controller, indexName, func,
-                            static_cast<char *>(readValue), callerFunctionName,
-                            lineNumber);
-}
-
 template <typename A, typename C>
 asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
                             int (C::*func)(), std::string *readValue,
@@ -665,7 +654,7 @@ asynStatus getAxisParamImpl(A *axis, C *controller, const char *indexName,
 }
 
 /**
- * @brief Helper function to set an integer / double / string parameter for an
+ * @brief Helper function to get an integer / double / string parameter for an
  * axis in the paramLib
  *
  * This function should not be used directly, but rather through its macro
@@ -692,6 +681,33 @@ asynStatus getAxisParam(A *axis, C *controller, const char *indexName,
                             callerFunctionName, lineNumber, TypeTag<T>{});
 }
 
+/**
+ * @brief Helper function to get an integer / double / string parameter for an
+ * axis in the paramLib
+ *
+ * This function should not be used directly, but rather through its macro
+ * variant `getAxisParamChecked`. It is a specialized variant of the general
+ * getAxisParam defined above for char arrays.
+ *
+ * @tparam A
+ * @tparam C
+ * @tparam N
+ * @param axis
+ * @param controller
+ * @param indexName
+ * @param func
+ * @param callerFunctionName
+ * @param lineNumber
+ * @return asynStatus
+ */
+template <typename A, typename C, size_t N>
+asynStatus getAxisParam(A *axis, C *controller, const char *indexName,
+                        int (C::*func)(), char (*readValue)[N],
+                        const char *callerFunctionName, int lineNumber) {
+    return getAxisParamImpl(axis, controller, indexName, func, readValue,
+                            callerFunctionName, lineNumber, TypeTag<char>{});
+}
+
 /**
  * @brief Macro to get an paramLib parameter and error checking the return value
  *