text: #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <unistd.h>
  
  #include <private/android_filesystem_config.h>
  
  #define DO_DEBUG 1
  
  #define ERROR(fmt,args...) \
  	do { \
  		fprintf(stderr, "%s:%d: ERROR: " fmt,  \
  		        __FILE__, __LINE__, ##args);    \
  	} while (0)
  
  #if DO_DEBUG
  #define DEBUG(fmt,args...) \
  	do { fprintf(stderr, "DEBUG: " fmt, ##args); } while(0)
  #else
  #define DEBUG(x...)               do {} while(0)
  #endif
  
  void
  print_help(void)
  {
  	fprintf(stderr, "fs_get_stats: retrieve the target file stats "
  	        "for the specified file\n");
  	fprintf(stderr, "usage: fs_get_stats cur_perms is_dir filename\n");
  	fprintf(stderr, "\tcur_perms - The current permissions of "
  	        "the file\n");
  	fprintf(stderr, "\tis_dir    - Is filename is a dir, 1. Otherwise, 0.\n");
  	fprintf(stderr, "\tfilename  - The filename to lookup\n");
  	fprintf(stderr, "\n");
  }
  
  int
  main(int argc, const char *argv[])
  {
  	char *endptr;
  	char is_dir = 0;
  	unsigned perms = 0;
  	unsigned uid = (unsigned)-1;
  	unsigned gid = (unsigned)-1;
  
  	if (argc < 4) {
  		ERROR("Invalid arguments\n");
  		print_help();
  		exit(-1);
  	}
  
  	perms = (unsigned)strtoul(argv[1], &endptr, 0);
  	if (!endptr || (endptr == argv[1]) || (*endptr != '\0')) {
  		ERROR("current permissions must be a number. Got '%s'.\n", argv[1]);
  		exit(-1);
  	}
  
  	if (!strcmp(argv[2], "1"))
  		is_dir = 1;
  
  	fs_config(argv[3], is_dir, &uid, &gid, &perms);
  	fprintf(stdout, "%d %d 0%o\n", uid, gid, perms);
  
  	return 0;
  }
  