Line data    Source code

       1             : /*--------------------------------------------------------------------------
       2             :  *
       3             :  * test_cplusplusext.cpp
       4             :  *      Test that PostgreSQL headers compile with a C++ compiler.
       5             :  *
       6             :  * This file is compiled with a C++ compiler to verify that PostgreSQL
       7             :  * headers remain compatible with C++ extensions.
       8             :  *
       9             :  * Copyright (c) 2025-2026, PostgreSQL Global Development Group
      10             :  *
      11             :  * IDENTIFICATION
      12             :  *      src/test/modules/test_cplusplusext/test_cplusplusext.cpp
      13             :  *
      14             :  * -------------------------------------------------------------------------
      15             :  */
      16             : 
      17             : extern "C" {
      18             : #include "postgres.h"
      19             : #include "fmgr.h"
      20             : 
      21           2 : PG_MODULE_MAGIC;
      22             : 
      23           4 : PG_FUNCTION_INFO_V1(test_cplusplus_add);
      24             : }
      25             : 
      26             : /*
      27             :  * Simple function that returns the sum of two integers.  This verifies that
      28             :  * C++ extension modules can be loaded and called correctly at runtime.
      29             :  */
      30             : extern "C" Datum
      31           2 : test_cplusplus_add(PG_FUNCTION_ARGS)
      32             : {
      33           2 :     int32       a = PG_GETARG_INT32(0);
      34           2 :     int32       b = PG_GETARG_INT32(1);
      35             : 
      36           2 :     PG_RETURN_INT32(a + b);
      37             : }