/*
* Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DLFCN_H_
#define _DLFCN_H_
/* Emulated functions. */
void *sudo_dlopen(const char *path, int mode);
int sudo_dlclose(void *handle);
void *sudo_dlsym(void *handle, const char *symbol);
char *sudo_dlerror(void);
/* Map emulated functions to standard names. */
#define dlopen(p, m) sudo_dlopen(p, m)
#define dlclose(h) sudo_dlclose(h)
#define dlsym(h, s) sudo_dlsym(h, s)
#define dlerror() sudo_dlerror()
/* Values for dlopen() mode. */
#define RTLD_LAZY 0x1
#define RTLD_NOW 0x2
#define RTLD_GLOBAL 0x4
#define RTLD_LOCAL 0x8
/* Special handle arguments for dlsym(). */
#define RTLD_NEXT ((void *) -1) /* Search subsequent objects. */
#define RTLD_DEFAULT ((void *) -2) /* Use default search algorithm. */
#define RTLD_SELF ((void *) -3) /* Search the caller itself. */
#endif /* !_DLFCN_H_ */
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