[C/C++] 列出資樂夾裡的資樂夾和檔案

 說明:
列出資樂夾裡的資樂夾和檔案

Code:

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <scsi/scsi.h>
#include <scsi/sg.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include <math.h>
#include <fcntl.h>
#include <linux/fs.h>
#include <dirent.h>
#include <string.h>
#include <linux/usbdevice_fs.h>

#define BOOL                    int
#define TRUE                    0
#define FALSE                   -1
#define MAX_LONG_LENGTH         1024
#define MAX_SHORT_LENGTH        128
#define MAX_MIDDLE_LENGTH       256

typedef enum FILEFOLDER_TYPE
{
    ATTRIBUTE_FILE,
    ATTRIBUTE_FOLDER,
}FILEFOLDER_TYPE_ENUM;

typedef struct filefolderInfo
{
    char                        pathname[MAX_MIDDLE_LENGTH];
    char                        name[MAX_MIDDLE_LENGTH];
    FILEFOLDER_TYPE_ENUM        type;
    struct filefolderInfo *next;
}filefolderInfoS;


BOOL get_file_folder_list_fun(char *path, filefolderInfoS **p_list)
{
    DIR *dir;
    struct dirent *p_ptr;
    filefolderInfoS *p_first = NULL;
    filefolderInfoS *p_current = NULL;

    dir =opendir(path);
    if (dir == NULL)
        return TRUE;

    while((p_ptr = readdir(dir))!=NULL) 
    {
        if ( strcmp(p_ptr->d_name, ".") == 0 
          || strcmp(p_ptr->d_name, "lost+found") == 0
          || strcmp(p_ptr->d_name, "..") == 0)
        {
            continue;
        }
        
        if (strlen(p_ptr->d_name) > 1 && p_ptr->d_name[0] == '.')
            continue;
        
        char pathname[MAX_MIDDLE_LENGTH];
        memset(pathname, '\0', MAX_MIDDLE_LENGTH);
        struct stat buf;
        sprintf(pathname,"%s%s", path, p_ptr->d_name);
        stat(pathname, &buf);
        
        filefolderInfoS *p_tmp = malloc(sizeof(filefolderInfoS));
        strcpy(p_tmp->pathname, pathname);
        strcpy(p_tmp->name, p_ptr->d_name);     
        p_tmp->next = NULL;
        
        if(S_ISREG(buf.st_mode))
            p_tmp->type = ATTRIBUTE_FILE;
        else
            p_tmp->type = ATTRIBUTE_FOLDER;
        
        //printf("%s, %s, %d\n", p_tmp->pathname, p_tmp->name, p_tmp->type);
        
        if (p_current == NULL)
        {
            p_first = p_tmp;
            p_current = p_tmp;
        }
        else
        {
            p_current->next = (filefolderInfoS*)p_tmp;
            p_current = p_tmp;
        }
            
    }
    closedir(dir);
    
    *p_list = p_first;
    
    return TRUE;

}

void free_file_folder_list(filefolderInfoS *p_list)
{
    filefolderInfoS *p_current, *p_next;
    p_current = p_list;

    while(p_current)
    {
        p_next = (filefolderInfoS*)p_current->next;
        free(p_current);
        p_current = p_next;
    }
}

int main(int argc, char *argv[])
{
    filefolderInfoS *p_info = NULL;
    filefolderInfoS *p_tmp = NULL;
    
    get_file_folder_list_fun("/etc/", &p_info);
    
    p_tmp = p_info;
    
    if (p_tmp)
    {
        while(p_tmp)
        {
            printf("file : %s, %s, %d\n", p_tmp->pathname, p_tmp->name, p_tmp->type);
            p_tmp = p_tmp->next;
        }
        
        free_file_folder_list(p_info);
    }
    
    return 0;
}

Result:

file : /etc/acpi, acpi, 1

file : /etc/profile, profile, 0

file : /etc/rc4.d, rc4.d, 1

file : /etc/openal, openal, 1

file : /etc/apparmor.d, apparmor.d, 1

.............