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Old 06-03-2009, 12:20 AM   #1
bitzsk
LQ Newbie
 
Registered: Apr 2009
Posts: 15

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How to get file info of a directory in linux kernel space?


hi, all

you know in the linux userspace , i can compile and run the following program to get the name or inode number of the files in the /bin directory.

i want to know how to do this in linux kernelspace ? thank you very much!

/*********************************************************************/

#include <unistd.h>

#include <sys/stat.h>

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <dirent.h>



void printdir(char *dir, int depth){

DIR *dp;

struct dirent *entry;

struct stat statbuf;

if((dp = opendir(dir)) == NULL){

fprintf(stderr,"cannot open directory: %s\n",dir);

return;

}

chdir(dir);

while((entry = readdir(dp)) != NULL){

lstat(entry->d_name,&statbuf);

if(S_ISDIR(statbuf.st_mode)){

if(strcmp("..",entry->d_name) == 0||

strcmp(".",entry->d_name) == 0)

continue;

printf("%*s%s/\n",depth,"",entry->d_name);

printdir(entry->d_name,depth+4);

}

else printf("%*s%s\n",depth,"",entry->d_name);

}

chdir("..");

closedir(dp);

}

int main(){

printdir("/bin",0);
}
 
  


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