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Annotation of embedaddon/sudo/compat/dlfcn.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  */
        !            16: 
        !            17: #ifndef _DLFCN_H_
        !            18: #define _DLFCN_H_
        !            19: 
        !            20: /* Emulated functions. */
        !            21: void *sudo_dlopen(const char *path, int mode);
        !            22: int sudo_dlclose(void *handle);
        !            23: void *sudo_dlsym(void *handle, const char *symbol);
        !            24: char *sudo_dlerror(void);
        !            25: 
        !            26: /* Map emulated functions to standard names. */
        !            27: #define dlopen(p, m)   sudo_dlopen(p, m)
        !            28: #define dlclose(h)     sudo_dlclose(h)
        !            29: #define dlsym(h, s)    sudo_dlsym(h, s)
        !            30: #define dlerror()      sudo_dlerror()
        !            31: 
        !            32: /* Values for dlopen() mode. */
        !            33: #define RTLD_LAZY      0x1
        !            34: #define RTLD_NOW       0x2
        !            35: #define RTLD_GLOBAL    0x4
        !            36: #define RTLD_LOCAL     0x8
        !            37: 
        !            38: /* Special handle arguments for dlsym(). */
        !            39: #define        RTLD_NEXT       ((void *) -1)   /* Search subsequent objects. */
        !            40: #define        RTLD_DEFAULT    ((void *) -2)   /* Use default search algorithm. */
        !            41: #define        RTLD_SELF       ((void *) -3)   /* Search the caller itself. */
        !            42: 
        !            43: #endif /* !_DLFCN_H_ */