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/* Support for dynamic loading of extension modules */

#include "dl.h"

#include <errno.h>

#include "Python.h"

#include "importdl.h"

#if defined(__hp9000s300)

#define FUNCNAME_PATTERN "_%.20s_%.200s"

#else

#define FUNCNAME_PATTERN "%.20s_%.200s"

#endif

const char *_PyImport_DynLoadFiletab[] = {SHLIB_EXT, NULL};

dl_funcptr _PyImport_FindSharedFuncptr(const char *prefix,

const char *shortname,

const char *pathname, FILE *fp)

{

dl_funcptr p;

shl_t lib;

int flags;

char funcname[258];

flags = BIND_FIRST | BIND_DEFERRED;

if (Py_VerboseFlag) {

flags = BIND_FIRST | BIND_IMMEDIATE |

BIND_NONFATAL | BIND_VERBOSE;

printf("shl_load %s\n",pathname);

}

lib = shl_load(pathname, flags, 0);

/* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */

if (lib == NULL) {

char buf[256];

PyObject *pathname_ob = NULL;

PyObject *buf_ob = NULL;

PyObject *shortname_ob = NULL;

if (Py_VerboseFlag)

perror(pathname);

PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",

pathname);

buf_ob = PyUnicode_FromString(buf);

shortname_ob = PyUnicode_FromString(shortname);

pathname_ob = PyUnicode_FromString(pathname);

PyErr_SetImportError(buf_ob, shortname_ob, pathname_ob);

Py_DECREF(buf_ob);

Py_DECREF(shortname_ob);

Py_DECREF(pathname_ob);

return NULL;

}

PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN,

prefix, shortname);

if (Py_VerboseFlag)

printf("shl_findsym %s\n", funcname);

if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {

shl_unload(lib);

p = NULL;

}

if (p == NULL && Py_VerboseFlag)

perror(funcname);

return p;

}