/* Support for dynamic loading of extension modules under vxworks */

#include "Python.h"
#include "importdl.h"

#include <ioLib.h>
#include <loadLib.h>
#include <symLib.h>
#include <sysSymTbl.h>

const struct filedescr _PyImport_DynLoadFiletab[] = {
        {".pyd", "rb", C_EXTENSION},
        {"module.pyd", "rb", C_EXTENSION},
    {0, 0}
};

dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
                    const char *pathname, FILE *fp)
{
    dl_funcptr p;
    SYM_TYPE type;
        MODULE_ID handle;
    char funcname[258];
    char pathbuf[260];

    if (strchr(pathname, '/') == NULL) {
        PyOS_snprintf(pathbuf, sizeof(pathbuf), "./%-.255s", pathname);
        pathname = pathbuf;
    }

    PyOS_snprintf(funcname, sizeof(funcname), "init%.200s", shortname);

    if (symFindByName(sysSymTbl, funcname, (char **)&p, &type) == OK)
        return p;

    if (Py_VerboseFlag)
        PySys_WriteStderr("loadModule(\"%s\");\n", pathname);

        if (fp != NULL) {
        handle = loadModule(fileno(fp), LOAD_GLOBAL_SYMBOLS);
        } else {
        int fd = open(pathname, O_RDONLY, 0644);
        handle = loadModule(fd, LOAD_GLOBAL_SYMBOLS);
        close(fd);
    }

    if (handle == NULL) {
        const char *error = strerror(errno);
        if (error == NULL)
            error = "unknown loadModule() error";
        PyErr_SetString(PyExc_ImportError, error);
        return NULL;
    }
    if (symFindByName(sysSymTbl, funcname, (char **)&p, &type) != OK)
    {
        const char *error = strerror(errno);
        if (error == NULL)
            error = "unknown symFindByName() error";
        PyErr_SetString(PyExc_ImportError, error);
        return NULL;
    }
    return p;
}