44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/*
|
|
* 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_ */
|