#42: C linkage when symbol is not in a header

avengineers · Aug 19, 2023 · 1b4358e · 1b4358e
1 parent c432f86
commit 1b4358e
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Showing 8 changed files with 19 additions and 0 deletions.
diff --git a/hammocking/templates/gmock/mockup.cc.j2 b/hammocking/templates/gmock/mockup.cc.j2
@@ -6,6 +6,7 @@ class_mockup *mockup_global_ptr = 0;
 {{ variable.get_definition() }};
 {% endfor %}
 
+extern "C" {
 {% for function in functions %}
 
 {{function.get_signature()}}{
@@ -20,3 +21,4 @@ class_mockup *mockup_global_ptr = 0;
 {% endif %}
 } /* {{function.name}} */
 {% endfor %}
+}
diff --git a/tests/data/gmock_test/test_add_function_get/mockup.cc b/tests/data/gmock_test/test_add_function_get/mockup.cc
@@ -3,10 +3,12 @@
 class_mockup *mockup_global_ptr = 0;
 
 
+extern "C" {
 
 int a_get_y2(){
  if(0 != mockup_global_ptr)
  return mockup_global_ptr->a_get_y2();
  else
  return (int)0;
 } /* a_get_y2 */
+}
diff --git a/tests/data/gmock_test/test_add_function_set_one_arg/mockup.cc b/tests/data/gmock_test/test_add_function_set_one_arg/mockup.cc
@@ -3,8 +3,10 @@
 class_mockup *mockup_global_ptr = 0;
 
 
+extern "C" {
 
 void set_some_int(int some_value){
  if(0 != mockup_global_ptr)
  mockup_global_ptr->set_some_int(some_value);
 } /* set_some_int */
+}
diff --git a/tests/data/gmock_test/test_add_function_with_unnamed_arg/mockup.cc b/tests/data/gmock_test/test_add_function_with_unnamed_arg/mockup.cc
@@ -3,10 +3,12 @@
 class_mockup *mockup_global_ptr = 0;
 
 
+extern "C" {
 
 float my_func(float unnamed1){
  if(0 != mockup_global_ptr)
  return mockup_global_ptr->my_func(unnamed1);
  else
  return (float)0;
 } /* my_func */
+}
diff --git a/tests/data/gmock_test/test_empty_templates/mockup.cc b/tests/data/gmock_test/test_empty_templates/mockup.cc
@@ -3,3 +3,5 @@
 class_mockup *mockup_global_ptr = 0;
 
 
+extern "C" {
+}
diff --git a/tests/data/gmock_test/test_mini_c_gmock/mockup.cc b/tests/data/gmock_test/test_mini_c_gmock/mockup.cc
@@ -6,6 +6,7 @@ int a_y1;
 a_y4_t a_y4;
 int c_u1;
 
+extern "C" {
 
 int a_get_y2(){
  if(0 != mockup_global_ptr)
@@ -54,3 +55,4 @@ void c_set_u6(c_u6_t u6){
  if(0 != mockup_global_ptr)
  mockup_global_ptr->c_set_u6(u6);
 } /* c_set_u6 */
+}
diff --git a/tests/data/mini_c_test/b.c b/tests/data/mini_c_test/b.c
@@ -3,6 +3,9 @@
 #include "a.h"
 #include "c.h"
 
+// This function is not found in a header, but only here.
+extern int local_extern(int x);
+
 void b_init(void){
 }
 
@@ -29,4 +32,6 @@ void b_step(void){
  int b6;
  a_get_y6(&b6);
  c_set_u6((c_u6_t)b6);
+
+ local_extern(2);
 }
diff --git a/tests/hammocking_test.py b/tests/hammocking_test.py
@@ -149,6 +149,8 @@ class class_mockup {
 int x;
 float y;
 
+extern "C" {
+}
 """
  )