win32-dlfcn.h

/**
 * @file Minimal emulation of POSIX dlopen/dlsym/dlclose on Windows.
 * @license Public domain.
 *
 * This code works fine for the common scenario of loading a
 * specific DLL and calling one (or more) functions within it.
 * No attempt is made to emulate POSIX symbol table semantics.
 */

#ifndef _INCLUDE_DLFCN_H_
#define _INCLUDE_DLFCN_H_

#ifdef __cplusplus
extern "C" {
#endif

#define RTLD_LAZY       0
#define RTLD_NOW        0
#define RTLD_GLOBAL     0
#define RTLD_LOCAL      0

#define RTLD_DEFAULT    ((void*) NULL)
#define RTLD_NEXT       ((void*) NULL)

/**
 * Open DLL, returning a handle.
 */

void*
dlopen(
    const char *file,   /** DLL filename. */
    int mode            /** mode flags (ignored). */
);

/**
 * Close DLL.
 */

int
dlclose(
    void* handle        /** Handle from dlopen(). */
);

/**
 * Look up symbol exported by DLL.
 */

void*
dlsym(
    void* handle,       /** Handle from dlopen(). */
    const char* name    /** Name of exported symbol. */
);

/**
 * Return message describing last error.
 */

char*
dlerror(void);

#ifdef __cplusplus
}
#endif

#endif