1 #include <dirent.h>

     2 #include "dl.h"

     3 

     4 /* shameless stolen from

     5  * http://uberhip.com/people/godber/interception/html/slide_6.html

     6  * and of course from the manpage of dlopen(3)

     7  */

     8 

     9 

    10 struct dirent* readdir(DIR *dirp)

    11 {

    12 

    13     static struct dirent* (*orig)(DIR *);

    14     struct dirent *dent;

    15 

    16     if (!orig) 

    17 	orig = get_original_function("libc.so.6", "readdir64");

    18 

    19     dent = (*orig)(dirp);

    20 

    21     /* skip selected entries */

    22     if (dent && dent->d_name[0] == 'M') 

    23 	dent = (*orig)(dirp);

    24 

    25     return dent;

    26 }