Python/dynload_os2.c

   1
   2 /* Support for dynamic loading of extension modules */
   3
   4 #define  INCL_DOSERRORS
   5 #define  INCL_DOSMODULEMGR
   6 #include <os2.h>
   7
   8 #include "Python.h"
   9 #include "importdl.h"
  10
  11
  12 const struct filedescr _PyImport_DynLoadFiletab[] = {
  13         {".pyd", "rb", C_EXTENSION},
  14         {".dll", "rb", C_EXTENSION},
  15         {0, 0}
  16 };
  17
  18 dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
  19                                     const char *pathname, FILE *fp)
  20 {
  21         dl_funcptr p;
  22         APIRET  rc;
  23         HMODULE hDLL;
  24         char failreason[256];
  25         char funcname[258];
  26
  27         rc = DosLoadModule(failreason,
  28                            sizeof(failreason),
  29                            pathname,
  30                            &hDLL);
  31
  32         if (rc != NO_ERROR) {
  33                 char errBuf[256];
  34                 PyOS_snprintf(errBuf, sizeof(errBuf),
  35                               "DLL load failed, rc = %d: %.200s",
  36                               rc, failreason);
  37                 PyErr_SetString(PyExc_ImportError, errBuf);
  38                 return NULL;
  39         }
  40
  41         PyOS_snprintf(funcname, sizeof(funcname), "init%.200s", shortname);
  42         rc = DosQueryProcAddr(hDLL, 0L, funcname, &p);
  43         if (rc != NO_ERROR)
  44                 p = NULL; /* Signify Failure to Acquire Entrypoint */
  45         return p;
  46 }