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trif.c
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trif.c
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#include <errno.h>
#include <dirent.h>
#include <libgen.h>
#include <signal.h>
#include <sys/stat.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/wait.h>
#include "ft.h"
#include "triflib.h"
bool rflag = false; // rflag - remove duplicate flag
bool iflag = false; // iflag - interactive mode flag
bool fflag = false; // fflag - full path flag
bool dflag = false; // dflag - directory only fflag
bool Dflag = false; // Dflag - Difference flag flag
bool sflag = false; // sflag - sync flag
bool helpflag = false; // helpflag - help flag
bool fileflag = true; // fileflag - flag for, is file type specified or not
size_t level = 10000; // level - level of the tree initialized as 10000, if user gives it will be over written
int no_dir; // no_dir - number of directory argument given
char *p_string = NULL; // pstring - pattern string
char *filetype = NULL; // specified file type
char *pwd = "";
char *trash_path = "";
typedef struct t_node // node in tree
{
char path[PATH_MAX]; // full path name
char name[NAME_MAX]; // base name e.g lab-1 in lab-1.c
char *ext; // extension e.g .c in lab-1.c
bool isdir; // is directory or not
bool flag; // flag for , whether to print or not
bool ishidden; // is this hidden file or not
int level; // level of the file or directory
size_t n_files; // number of files, if it is directory
struct t_node **child; // array of pointers for child nodes( i.e) files
} t_node;
typedef struct func_list // node for function pointer stack
{
void (*func_ptr)(void);
struct func_list *previous;
struct func_list *next;
} t_func_node;
t_func_node *strListFront = NULL;
t_func_node *strListRear = NULL;
void cruelWorld() // keyboard interupt message
{
if (pwd != NULL)
free(pwd);
if (trash_path != NULL)
free(trash_path);
if (p_string != NULL)
free(p_string);
if (filetype != NULL)
free(filetype);
fprintf(stdout, FT_B_YEL "Good bye, Cruel World😿\n" FT_NRM);
exit(EXIT_FAILURE);
}
void init_roots(t_node **root_arr, int argc, int optind, char **argv);
t_node *create_tree(char *dir_name, char *dir_path, t_node *grandfather);
t_node *create_dot(char *name, t_node *ptr, int x);
void strListPrint();
void strListPush(void (*func_ptr)(void));
void strListPop();
void mem_eff_print_tree(char *dir_name, char *dir_path, int level);
bool isvalid(char *name, char *path, char *ext);
void find_diff(t_dir_list **front_ptr1, t_dir_list **front_ptr2);
void print_diff_tree(t_node *root);
void removeDuplicate(t_node *root, t_dir_list **front_ptr, t_dir_list **rear_ptr);
void invalid_arg_check();
void free_queue(t_dir_list **ptr, t_dir_list **rear);
void create_fd_queue(t_node **root_ptr, t_dir_list **file_queue_arr, t_dir_list **file_queue_arr_rear);
void search();
void sync_folder(t_node *root, char *dest, char *src);
char *destPath(char *s1, char *s2, char *s3);
void free_tree(t_node *root);
void print_tree(t_node *root);
char *ret_path(char *parent, char *filename);
char *getBName(char *name);
char *getExt(const char *fspec);
void check_dir(int argc, int optind, char **argv);
int main(int argc, char **argv, char **env)
{
signal(SIGINT, cruelWorld);
pwd = strdup(getenv("PWD"));
char *home = strdup(getenv("HOME"));
int c;
static struct option long_options[] = {
/* NAME ARGUMENT FLAG SHORTNAME */
{"remove-duplicate", no_argument, NULL, 'r'},
{"interactive", no_argument, NULL, 'i'},
{"full-path", no_argument, NULL, 'f'},
{"level", required_argument, NULL, 'L'},
{"directory-only", required_argument, NULL, 'd'},
{"pattern", required_argument, NULL, 'P'},
{"file-type", required_argument, NULL, 0},
{"sync", no_argument, NULL, 's'},
{"help", no_argument, NULL, 0},
{"difference", no_argument, NULL, 'D'},
{NULL, 0, NULL, 0}};
int option_index = 0;
// FILE *fp = fopen("/dev/pts/0", "w");
if (argc < 2)
{
fprintf(stderr, "trif: missing operand\n");
fprintf(stderr, "Try: 'trif --help' for more information\n");
exit(EXIT_FAILURE);
}
else
{
while ((c = getopt_long(argc, argv, "rifL:dP:sD", long_options, &option_index)) != -1)
{
switch (c)
{
case 0:
{
if (!strcmp(long_options[option_index].name, "file-type"))
{
if (optarg)
{
filetype = (char *)malloc((strlen(optarg) + 1) * sizeof(char));
filetype[0] = '\0';
strcat(filetype, ".");
strcat(filetype, optarg);
fileflag = false;
}
}
else if (!strcmp(long_options[option_index].name, "help"))
{
helpflag = true;
}
break;
}
case 'D':
// fprintf(stdout, "r-success\n");
Dflag = true;
break;
case 'r':
// fprintf(stdout, "r-success\n");
rflag = true;
break;
case 'i':
// fprintf(stdout, "i-success\n");
iflag = true;
break;
case 'f':
// fprintf(stdout, "f-success\n");
fflag = true;
break;
case 'L':
{
if (atoi(optarg) > 0)
level = atoi(optarg);
else
{
fprintf(stderr, "trif: option -L or --level requires an integer argument greater than 0 .\n");
fprintf(stderr, "Try: 'trif --help' for more information\n");
exit(EXIT_FAILURE);
}
// fprintf(stdout, "L-success\n");
break;
}
case 'd':
{
// fprintf(stdout, "d-success\n");
dflag = true;
break;
}
case 'P':
{
// fprintf(stdout, "P-success,%s\n", optarg);
p_string = strdup(optarg);
break;
}
case 's':
// fprintf(stdout, "s-success\n");
sflag = true;
break;
case '?':
fprintf(stderr, "Try: 'trif --help' for more information\n");
exit(EXIT_FAILURE);
break;
default:
fprintf(stderr, "?? getopt returned character code 0%o ??\n", c);
}
}
}
if (helpflag)
{
printhelp();
exit(EXIT_FAILURE);
}
// fprintf(stdout, "optind=%d,argc=%d", optind, argc);
if (argc - optind >= 1)
{
if (argc - optind >= 2)
{
}
else
{
if (sflag)
{
fprintf(stderr, "trif: missing destination file operand after \'%s\'\n", argv[optind]);
fprintf(stderr, "Try: 'trif --help' for more information\n");
exit(EXIT_FAILURE);
}
}
}
else
{
fprintf(stderr, "trif: missing operand\n");
fprintf(stderr, "Try: 'trif --help' for more information\n");
exit(EXIT_FAILURE);
}
invalid_arg_check();
no_dir = argc - optind;
// check weather directory exist accessible or not
check_dir(argc, optind, argv);
if (!sflag && !Dflag && !rflag)
{
for (int i = optind; i < argc; i++)
{
char path[PATH_MAX];
realpath(argv[i], path);
char *name = __xpg_basename(path);
mem_eff_print_tree(name, path, 0);
}
fprintf(stdout, "\n😍Linux rocks😍\n");
exit(EXIT_SUCCESS);
}
t_node **root_arr = (t_node **)malloc(no_dir * sizeof(t_node));
t_dir_list **file_queue_arr_front = (t_dir_list **)malloc(no_dir * sizeof(t_dir_list));
t_dir_list **file_queue_arr_rear = (t_dir_list **)malloc(no_dir * sizeof(t_dir_list));
t_dir_list **dir_queue_arr = (t_dir_list **)malloc(no_dir * sizeof(t_dir_list));
init_roots(root_arr, argc, optind, argv);
create_fd_queue(root_arr, file_queue_arr_front, file_queue_arr_rear);
if (rflag)
{
trash_path = (char *)malloc((strlen(home) + 60) * sizeof(char));
trash_path[0] = '\0';
strcat(trash_path, home);
strcat(trash_path, "/.local/share/Trash/files/");
{
pid_t pid = fork();
if (!pid)
{
execl("/usr/bin/mkdir", "mkdir", "-p", trash_path, (char *)0);
exit(1);
}
}
for (int i = 0; i < no_dir; i++)
{
removeDuplicate(root_arr[i], &file_queue_arr_front[i], &file_queue_arr_rear[i]);
free_tree(root_arr[i]);
free_queue(&file_queue_arr_front[i], &file_queue_arr_rear[i]);
}
free(root_arr);
fprintf(stdout, "\n😍Linux rocks😍\n");
exit(EXIT_SUCCESS);
}
if (Dflag)
{
for (int i = 0; i < (no_dir - 1); i++)
{
//find_diff(checking folder, reference folder)
find_diff(&file_queue_arr_front[i], &file_queue_arr_front[no_dir - 1]);
fprintf(stdout, FT_B_YEL "\t\t\tFiles Only in %s\n" FT_NRM, root_arr[i]->path);
print_diff_tree(root_arr[i]);
find_diff(&file_queue_arr_front[no_dir - 1], &file_queue_arr_front[i]);
fprintf(stdout, FT_B_YEL "\t\t\tFiles Only in %s\n" FT_NRM, root_arr[no_dir - 1]->path);
print_diff_tree(root_arr[no_dir - 1]);
free_queue(&file_queue_arr_front[i], &file_queue_arr_rear[i]);
free_tree(root_arr[i]);
}
free_queue(&file_queue_arr_front[no_dir - 1], &file_queue_arr_rear[no_dir - 1]);
free_tree(root_arr[no_dir - 1]);
free(root_arr);
fprintf(stdout, "\n😍Linux rocks😍\n");
exit(EXIT_SUCCESS);
}
if (sflag)
{
for (int i = 0; i < (no_dir - 1); i++)
{
find_diff(&file_queue_arr_front[i], &file_queue_arr_front[no_dir - 1]);
sync_folder(root_arr[i], root_arr[no_dir - 1]->path, root_arr[i]->path);
free_queue(&file_queue_arr_front[i], &file_queue_arr_rear[i]);
free_tree(root_arr[i]);
}
free_queue(&file_queue_arr_front[no_dir - 1], &file_queue_arr_rear[no_dir - 1]);
free_tree(root_arr[no_dir - 1]);
free(root_arr);
fprintf(stdout, "\n😍Linux rocks😍\n");
exit(EXIT_SUCCESS);
}
/* if ((!rflag) && (!Dflag))
{
for (int i = 0; i < no_dir; i++)
{
//ft_enter_alt_screen();
print_tree(root_arr[i]);
free_queue(&file_queue_arr_front[i], &file_queue_arr_rear[i]);
free_tree(root_arr[i]);
}
}*/
}
void free_tree(t_node *root) // frees a tree
{
if (root == NULL)
{
return;
}
free(root->child[0]->child);
free(root->child[1]->child);
free(root->child[0]);
free(root->child[1]);
for (int i = 2; i < root->n_files; i++)
{
if (root->child[i]->isdir)
{
free_tree(root->child[i]);
}
else
{
if (root->child[i] != NULL)
{
if (root->child[i]->ext != NULL)
free(root->child[i]->ext);
free(root->child[i]);
}
}
}
free(root->child);
free(root);
}
void print_tree(t_node *root)
{
if (root == NULL)
{
return;
}
if (root->isdir)
{
if (fflag)
printf(FT_B_BLU "%s\n" FT_NRM, root->path);
else
printf(FT_B_BLU "%s\n" FT_NRM, root->name);
}
else
{
printf("%s\n", root->name);
}
if (root->level == level)
{
return;
}
for (int i = 2; i < root->n_files; i++)
{
if (root->child[i]->isdir)
{
strListPrint();
if (root->n_files == i + 1)
{
printf("└── ");
}
else
{
printf("├── ");
}
void (*func_ptr)(void);
if (root->n_files == i + 1)
func_ptr = &tab;
else
func_ptr = ‐
strListPush(func_ptr);
print_tree(root->child[i]);
strListPop();
}
else if (!dflag)
{
if (filetype != NULL)
{
if (strcmp(root->child[i]->ext, filetype))
{
continue;
}
strListPrint();
if (root->n_files == i + 1)
{
printf("└── ");
}
else
{
printf("├── ");
}
if (fflag)
printf("%s\n", root->child[i]->path);
else
printf("%s%s\n", root->child[i]->name, root->child[i]->ext);
}
else
{
strListPrint();
if (root->n_files == i + 1)
{
printf("└── ");
}
else
{
printf("├── ");
}
if (fflag)
printf("%s\n", root->child[i]->path);
else
printf("%s%s\n", root->child[i]->name, root->child[i]->ext);
}
}
}
}
bool isvalid(char *name, char *path, char *ext)
{
if (dflag)
{
return false;
}
else
{
if (filetype != NULL)
{
if (strcmp(ext, filetype) == 0)
{
if (p_string != NULL)
{
char *p = strstr(name, p_string);
if (p)
return true;
else
return false;
}
else
return true;
}
else
return false;
}
else
{
if (p_string != NULL)
{
char *p = strstr(name, p_string);
if (p)
return true;
else
return false;
}
else
return true;
}
}
}
void mem_eff_print_tree(char *dir_name, char *dir_path, int _level)
{ //checking for full path flag
if (fflag)
fprintf(stdout, FT_B_BLU "%s\n" FT_NRM, dir_path);
else
fprintf(stdout, FT_B_BLU "%s\n" FT_NRM, dir_name);
//checking level
if (_level == level)
{
return;
}
//opening directory
DIR *dir = opendir(dir_path);
struct dirent *entry;
struct stat st_buf;
int files = 0, i = 2;
if (dir == NULL)
{
return;
}
//finding the number of files
while ((entry = readdir(dir)) != NULL)
{
files++;
}
closedir(dir);
dir = opendir(dir_path);
//again reading the directory
while ((entry = readdir(dir)) != NULL)
{
char *name = strdup(entry->d_name);
char *path = ret_path(dir_path, name);
int status = stat(path, &st_buf);
if (status != 0)
{
printf("%s,", path);
perror("trif: ");
printf("Error, errno = %d\n", errno);
return;
}
// is regular file
if (S_ISREG(st_buf.st_mode))
{
char *base_name = getBName(name);
char *ext = strdup(getExt(name));
size_t path_len = strlen(path);
size_t name_len = strlen(base_name);
if (isvalid(name, path, ext)) // * checking whether to print or not
{
strListPrint();
if (files == i + 1)
{
printf("└── ");
}
else
{
printf("├── ");
}
//checking for fullpath flag
if (fflag)
fprintf(stdout, "%s\n", path);
else
fprintf(stdout, "%s%s\n", base_name, ext);
}
free(base_name);
free(ext);
}
// is directory file
if (S_ISDIR(st_buf.st_mode))
{
if (!strcmp(name, ".") || !strcmp(name, ".."))
{
i--;
}
else
{
strListPrint();
void (*func_ptr)(void);
if (files == i + 1)
{
func_ptr = &tab;
printf("└── ");
}
else
{
func_ptr = ‐
printf("├── ");
}
strListPush(func_ptr);
mem_eff_print_tree(name, path, _level + 1);
strListPop();
}
}
i++;
free(name);
free(path);
}
closedir(dir);
}
void print_diff_tree(t_node *root)
{
if (root == NULL)
{
return;
}
if (root->isdir)
{
printf(FT_B_BLU "%s\n" FT_NRM, root->name);
}
for (int i = 2; i < root->n_files; i++)
{
if (root->child[i] == NULL) // ! This checking is needed, it happens when a directory is deleted in interactive mode
continue;
if (root->child[i]->isdir)
{
strListPrint();
void (*func_ptr)(void);
if (root->n_files == i + 1)
{
func_ptr = &tab;
printf("└── ");
}
else
{
func_ptr = ‐
printf("├── ");
}
strListPush(func_ptr);
print_diff_tree(root->child[i]);
strListPop();
}
else
{
if (root->child[i]->flag)
{
strListPrint();
if (root->n_files == i + 1)
{
printf("└── ");
}
else
{
printf("├── ");
}
fprintf(stdout, "%s%s\n", root->child[i]->name, root->child[i]->ext);
root->child[i]->flag = 0;
}
}
}
}
void init_roots(t_node **root_arr, int argc, int optind, char **argv)
{
int i = 0;
for (optind; optind < argc; optind++)
{
t_node *n1 = (t_node *)malloc(sizeof(t_node));
char path[PATH_MAX];
if (argv[optind][0] == '/')
{
realpath(argv[optind], path);
}
else
{
char buf[PATH_MAX + 1];
strcpy(buf, pwd);
strcat(buf, "/");
strcat(buf, argv[optind]);
realpath(buf, path);
}
strncpy(n1->path, path, strlen(path));
n1->path[strlen(path)] = '\0';
root_arr[i] = n1;
strcpy(n1->name, basename(n1->path));
n1->ext = NULL;
n1->isdir = true;
n1->flag = 0;
n1->level = 0;
DIR *dir = opendir(n1->path);
struct dirent *entry;
struct stat st_buf;
int files = 0;
if (dir == NULL)
{
return;
}
//counting no. of files
while ((entry = readdir(dir)) != NULL)
{
files++;
}
n1->n_files = files;
closedir(dir);
dir = opendir(n1->path);
//creating . and .. nodes
n1->child = (t_node **)malloc((files + 1) * sizeof(t_node *));
n1->child[0] = create_dot(".", root_arr[i], 1);
n1->child[1] = create_dot("..", root_arr[i], 1);
int pos = 2;
// creating remaining nodes
while ((entry = readdir(dir)) != NULL)
{
char *name;
name = strdup(entry->d_name);
// printf("file is %s\n", name);
char *path = ret_path(n1->path, name);
int status = stat(path, &st_buf);
if (status != 0)
{
printf("%s,", path);
printf("Error, errno = %d\n", errno);
return;
}
if (S_ISREG(st_buf.st_mode))
{
t_node *node = (t_node *)malloc(sizeof(t_node));
char *base_name = getBName(name);
char *ext = strdup(getExt(name));
size_t path_len = strlen(path);
size_t name_len = strlen(base_name);
strncpy(node->path, path, path_len);
strncpy(node->name, base_name, name_len);
free(base_name);
node->path[path_len] = '\0';
node->name[name_len] = '\0';
node->ext = ext;
node->isdir = false;
node->flag = 0;
node->level = 1;
node->n_files = -1;
node->child = NULL;
n1->child[pos] = node;
pos++;
}
if (S_ISDIR(st_buf.st_mode))
{
if (!strcmp(name, ".") || !strcmp(name, ".."))
{
}
else
{
n1->child[pos] = create_tree(name, path, root_arr[i]);
pos++;
}
}
free(name);
free(path);
}
closedir(dir);
i++;
}
}
t_node *create_dot(char *name, t_node *ptr, int x)
{
t_node *node = (t_node *)malloc(sizeof(t_node));
strncpy(node->path, ptr->path, strlen(ptr->path));
node->path[strlen(ptr->path)] = '\0';
strncpy(node->name, name, strlen(name));
node->name[strlen(name)] = '\0';
node->ext = NULL;
node->isdir = true;
node->level = x;
node->child = (t_node **)malloc(sizeof(t_node *));
node->child[0] = ptr;
return node;
}
t_node *create_tree(char *dir_name, char *dir_path, t_node *grandfather)
{
t_node *n1 = (t_node *)malloc(sizeof(t_node));
strncpy(n1->path, dir_path, strlen(dir_path));
n1->path[strlen(dir_path)] = '\0';
strncpy(n1->name, dir_name, strlen(dir_name));
n1->name[strlen(dir_name)] = '\0';
n1->ext = NULL;
n1->isdir = true;
n1->flag = 0;
n1->level = grandfather->level + 1;
DIR *dir = opendir(dir_path);
struct dirent *entry;
struct stat st_buf;
int files = 0;
if (dir == NULL)
{
return NULL;
}
//counting no. of files
while ((entry = readdir(dir)) != NULL)
{
files++;
// printf("file is %s\n", entry->d_name);
}
n1->n_files = files;
closedir(dir);
dir = opendir(n1->path);
//creating . and .. nodes
n1->child = (t_node **)malloc(files * sizeof(t_node *));
n1->child[0] = create_dot(".", n1, n1->level + 1);
n1->child[1] = create_dot("..", grandfather, n1->level + 1);
int pos = 2;
while ((entry = readdir(dir)) != NULL)
{
char *name;
name = strdup(entry->d_name);
char *path = ret_path(n1->path, name);
int status = stat(path, &st_buf);
if (status != 0)
{
printf("%s,", path);
perror("trif: ");
printf("Error, errno = %d\n", errno);
return NULL;
}
if (S_ISREG(st_buf.st_mode))
{
t_node *node = (t_node *)malloc(sizeof(t_node));
char *base_name = getBName(name);
char *ext = strdup(getExt(name));
size_t path_len = strlen(path);
size_t name_len = strlen(base_name);
strncpy(node->path, path, path_len);
strncpy(node->name, base_name, name_len);
free(base_name);
node->path[path_len] = '\0';
node->name[name_len] = '\0';
if (name_len == 0)
{
node->ishidden = 1;
}
else
{
node->ishidden = 0;
}
node->ext = ext;
node->isdir = false;
node->flag = 0;
node->level = n1->level + 1;
node->n_files = -1;
node->child = NULL;
n1->child[pos] = node;
pos++;
}
if (S_ISDIR(st_buf.st_mode))
{
if (!strcmp(name, ".") || !strcmp(name, ".."))
{
}
else
{
n1->child[pos] = create_tree(name, path, n1);
pos++;
}
}
free(name);
free(path);
}
closedir(dir);
return n1;
}
char *getBName(char *name)
{
int len_name = 0;
int dot_flag = 0;
for (int i = 0; name[i] != '\0'; i++)
{
if (name[i] == '.')
{
dot_flag = 1;
len_name = i;
}
}
if (!dot_flag)
{
len_name = strlen(name);
}
char *result = (char *)malloc(NAME_MAX * sizeof(char));
strncpy(result, name, len_name);
result[len_name] = '\0';
return result;
}
char *ret_path(char *parent, char *filename)
{
char *result = (char *)malloc(PATH_MAX * sizeof(char));
strcpy(result, parent);
strcat(result, "/");
strcat(result, filename);
return result;
}
void check_dir(int argc, int optind, char **argv)
{
for (optind; optind < argc; optind++)
{
DIR *dir = opendir(argv[optind]);
if (dir == NULL)
{
fprintf(stderr, "trif: cannot stat '%s': ", argv[optind]);
perror("");
exit(EXIT_FAILURE);
}
closedir(dir);
}
}
char *getExt(const char *fspec)
{
char *e = strrchr(fspec, '.');
if (e == NULL)
e = "";
return e;
}
void strListPush(void (*func_ptr)(void))
{
if (strListRear == NULL && strListFront == NULL)
{
t_func_node *node = (t_func_node *)malloc(sizeof(t_func_node));
node->func_ptr = func_ptr;
node->previous = NULL;
node->next = NULL;
strListFront = node;
strListRear = node;
return;
}
t_func_node *node = (t_func_node *)malloc(sizeof(t_func_node));
node->func_ptr = func_ptr;
strListRear->next = node;
node->next = NULL;
node->previous = strListRear;
strListRear = node;
}
void strListPop()
{
if (strListRear == NULL)
{
return;
}
if (strListRear->previous != NULL)
{
strListRear->previous->next = NULL;
t_func_node *tmp = strListRear;
strListRear = strListRear->previous;
free(tmp);
}
else
{
free(strListRear);
strListFront = NULL;
strListRear = NULL;
}
}
void strListPrint()
{
t_func_node *dummy_front = strListFront;
for (dummy_front; dummy_front != NULL; dummy_front = dummy_front->next)
{
dummy_front->func_ptr();
}
}
void create_fd_queue(t_node **root_ptr, t_dir_list **file_queue_arr_front, t_dir_list **file_queue_arr_rear)
{
for (int i = 0; i < no_dir; i++)
{
t_dir_list *front = NULL;
t_dir_list *rear = NULL;
enqueue(&front, &rear, root_ptr[i]);
while (front != NULL)
{
t_node *top = front_top(front);
for (int j = 2; j < top->n_files; j++)