AppPkg/Applications/Python/Python-2.7.2/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 }