c/unlink-wrapper/unlink-wrapper.c

   1 #define _GNU_SOURCE
   2 #include <dlfcn.h>
   3 #include <stdio.h>
   4 //#include <unistd.h>
   5 //#define RTLD_NEXT ((void *) -1l)
   6
   7
   8 int unlinkat(int dirfd, const char *pathname, int flags)
   9 {
  10         puts("unlinkat");
  11         int (*orig_unlinkat)(int, const char*, int) = dlsym(RTLD_NEXT, "unlinkat");
  12         return orig_unlinkat(dirfd,pathname,flags);
  13 }
  14
  15 //int unlink(const char *pathname)
  16 //ssize_t write(int fd, const void *buf, size_t count)