1  /*
       2   * testModule.c : a small tester program for xmlModule
       3   *
       4   * See Copyright for the status of this software.
       5   *
       6   * joelwreed@comcast.net
       7   */
       8  
       9  #include <stdio.h>
      10  #include <libxml/xmlversion.h>
      11  
      12  #ifdef LIBXML_MODULES_ENABLED
      13  
      14  #include <limits.h>
      15  #include <string.h>
      16  #include <stdarg.h>
      17  
      18  #include <libxml/xmlmemory.h>
      19  #include <libxml/debugXML.h>
      20  #include <libxml/xmlmodule.h>
      21  
      22  #ifdef _WIN32
      23  #define MODULE_PATH "."
      24  #include <stdlib.h> /* for _MAX_PATH */
      25  #ifndef __MINGW32__
      26  #define PATH_MAX _MAX_PATH
      27  #endif
      28  #else
      29  #define MODULE_PATH ".libs"
      30  #endif
      31  
      32  /* Used for SCO Openserver*/
      33  #ifndef PATH_MAX
      34  #ifdef _POSIX_PATH_MAX
      35  #define PATH_MAX _POSIX_PATH_MAX
      36  #else
      37  #define PATH_MAX 4096
      38  #endif
      39  #endif
      40  
      41  typedef int (*hello_world_t)(void);
      42  
      43  int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
      44      xmlChar filename[PATH_MAX];
      45      xmlModulePtr module = NULL;
      46      hello_world_t hello_world = NULL;
      47  
      48      /* build the module filename, and confirm the module exists */
      49      xmlStrPrintf(filename, sizeof(filename),
      50                   "%s/testdso%s",
      51                   (const xmlChar*)MODULE_PATH,
      52                   (const xmlChar*)LIBXML_MODULE_EXTENSION);
      53  
      54      module = xmlModuleOpen((const char*)filename, 0);
      55      if (module == NULL) {
      56        fprintf(stderr, "Failed to open module\n");
      57        return(1);
      58      }
      59  
      60      if (xmlModuleSymbol(module, "hello_world", (void **) &hello_world)) {
      61        fprintf(stderr, "Failure to lookup\n");
      62        return(1);
      63      }
      64      if (hello_world == NULL) {
      65        fprintf(stderr, "Lookup returned NULL\n");
      66        return(1);
      67      }
      68  
      69      (*hello_world)();
      70  
      71      xmlModuleClose(module);
      72  
      73      return(0);
      74  }
      75  
      76  #else
      77  int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
      78      printf("%s : Module support not compiled in\n", argv[0]);
      79      return(0);
      80  }
      81  #endif /* LIBXML_SCHEMAS_ENABLED */