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/* dlfcn.c */
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
static struct {
long lasterror;
const char *err_rutin;
} var = {
0,
NULL
};
void *dlopen (const char *filename, int flags)
{
HINSTANCE hInst;
hInst= LoadLibrary (filename);
if (hInst==NULL) {
var.lasterror = GetLastError ();
var.err_rutin = "dlopen";
}
return hInst;
}
int dlclose (void *handle)
{
BOOL ok;
int rc= 0;
ok= FreeLibrary ((HINSTANCE)handle);
if (! ok) {
var.lasterror = GetLastError ();
var.err_rutin = "dlclose";
rc= -1;
}
return rc;
}
void *dlsym (void *handle, const char *name)
{
FARPROC fp;
fp= GetProcAddress ((HINSTANCE)handle, name);
if (!fp) {
var.lasterror = GetLastError ();
var.err_rutin = "dlsym";
}
return (void *)(intptr_t)fp;
}
const char *dlerror (void)
{
static char errstr [88];
if (var.lasterror) {
sprintf (errstr, "%s error #%ld", var.err_rutin, var.lasterror);
return errstr;
} else {
return NULL;
}
}
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