C language Traversal files and directories —————— "Badboy"

[CPP]

#include

#include

#include

#include

#include

#include

#include

#define MAX_PATH_LENGTH 512

#define Max_file_extension 9

unsigned long visit_dirs = 0;

unsigned long visit_files = 0;

void Listdir (char *path) {

DIR *ptr_dir;

struct Dirent *dir_entry;

int i = 0;

Char *child_path;

Char *file_path;

Child_path = (char*) malloc (sizeof (char) *max_path_length);

if (Child_path = = NULL) {

printf ("Allocate Memory for Path failed.\n");

Return

}

memset (child_path, 0, sizeof (char) *max_path_length);

File_path = (char*) malloc (sizeof (char) *max_path_length);

if (File_path = = NULL) {

printf ("Allocate memory for file path failed.\n");

Free (Child_path);

Child_path = NULL;

Return

}

memset (file_path, 0, sizeof (char) *max_path_length);

Ptr_dir = opendir (path);

while ((Dir_entry = Readdir (ptr_dir)) = NULL) {

if (Dir_entry->d_type & Dt_dir) {

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

strcmp (Dir_entry->d_name, "..") = = 0) {

Continue

}

sprintf (Child_path, "%s/%s", Path, dir_entry->d_name);

printf ("[dir]%s\n", Child_path);

visit_dirs++;

Listdir (Child_path);

}

if (Dir_entry->d_type & Dt_reg) {

sprintf (File_path, "%s/%s", Path, dir_entry->d_name);

printf ("[file]%s\n", File_path);

visit_files++;

}

}

Free (Child_path);

Child_path = NULL;

Free (file_path);

File_path = NULL;

}

int main (int argc, char* argv[]) {

if (argc = = 2) {

Listdir (argv[1]);

printf ("Total DIR:%ld, total FILE:%ld\n", Visit_dirs, Visit_files);

}else{

printf ("Usage:listdir

\n ");

return;

}

R Eturn 0;

}