1 files changed, 30 insertions, 1 deletions

diff --git a/test.c b/test.c
index d6280e4..878694e 100644
--- a/test.c
+++ b/test.c
@@ -31,7 +31,8 @@
 #define CLOSE_LIB    dlclose( library )

 #define CLOSE_GLOBAL dlclose( global  )

 

-#define RETURN_ERROR return 1

+#define RETURN_ERROR printf("From line %d\n", __LINE__); return 1

+

 #define RUNFUNC do { \

                     ret = function (); \

                     if( ret != 0) {    \

@@ -73,6 +74,7 @@ int main()
     void *library;

     char *error;

     int (*function)( void );

+    int (*printf_local)( const char * );

     int (*nonexistentfunction)( void );

     int ret;

 

@@ -106,6 +108,20 @@ int main()
     else

         printf( "SUCCESS\tGot global handle: %p\n", global );

 

+    printf_local = dlsym(global, "printf");

+    if (!printf_local)

+    {

+        error = dlerror();

+        printf("ERROR\tCould not get symbol from global handle: %s\n",

+            error ? error : "");

+        CLOSE_LIB;

+        CLOSE_GLOBAL;

+        RETURN_ERROR;

+    }

+    else

+        printf("SUCCESS\tGot symbol from global handle: %p\n", printf_local);

+    printf_local("Hello world from local printf!\n");

+

     function = dlsym( library, "function" );

     if( !function )

     {

@@ -288,6 +304,19 @@ int main()
                 error ? error : "" );

     }

 

+    function = dlsym(global, "printf");

+    if (!function)

+    {

+        error = dlerror();

+        printf("ERROR\tCould not get symbol from global handle: %s\n",

+            error ? error : "");

+        CLOSE_LIB;

+        CLOSE_GLOBAL;

+        RETURN_ERROR;

+    }

+    else

+        printf("SUCCESS\tGot symbol from global handle: %p\n", function);

+

     ret = dlclose( library );

     if( ret )

     {