/
list_files.c
168 lines (149 loc) · 5.56 KB
/
list_files.c
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#include "ft_ls.h"
#include <stdint.h>
#include <errno.h>
#include <sys/sysmacros.h>
static void set_file_type(t_file * file, ls_flags * flags) {
int result;
char * full_path;
char * link_file_name;
if (!file || !flags)
return ;
full_path = ft_strjoin(ft_strdup((file->f_path != NULL) ? file->f_path : ""), file->f_name);
if (!full_path)
ft_exit(1, "Failed to allocate memory\n", 0);
result = lstat(full_path, &file->f_stat);
if (result == -1) {
if (EACCES) {
file->f_errors = NotFounded;
} else {
file->f_errors = PermissionDenied;
}
if (DEBUG)
perror("ft_ls");
}
switch (file->f_stat.st_mode & S_IFMT) {
case S_IFBLK: file->f_type = Block_Device_File; break;
case S_IFCHR: file->f_type = Character_Device_File; break;
case S_IFDIR: file->f_type = Directory; break;
case S_IFIFO: file->f_type = Named_Pipe; break;
case S_IFLNK: file->f_type = Symbolic_Link; break;
case S_IFREG: file->f_type = Regular_File; break;
case S_IFSOCK: file->f_type = Local_Socket_File; break;
default: file->f_type = Unknown; break;
}
if (file->f_type == Symbolic_Link) {
//ft_printf("Symlink %s\n", full_path);
link_file_name = (char *)ft_calloc(sizeof(char), 4096);
if (readlink(full_path, link_file_name, 4096) == -1)
ft_exit(1, "Link Buf biggger than allowed\n", 0);
file->f_link_file = init_file(link_file_name, file->f_path);
if (!file->f_link_file)
ft_exit(1, "Failed to allocate memory\n", 0);
set_file_type(file->f_link_file, flags);
free(link_file_name);
}
if (DEBUG)
ft_printf("[%s]\n", full_path);
free(full_path);
if (!DEBUG)
return ;
printf("ID of containing device: [%jx,%jx]\n",
(uintmax_t) major(file->f_stat.st_dev),
(uintmax_t) minor(file->f_stat.st_dev));
printf("File type: ");
switch (file->f_stat.st_mode & S_IFMT) {
case S_IFBLK: printf("block device\n"); break;
case S_IFCHR: printf("character device\n"); break;
case S_IFDIR: printf("directory\n"); break;
case S_IFIFO: printf("FIFO/pipe\n"); break;
case S_IFLNK: printf("symlink\n"); break;
case S_IFREG: printf("regular file\n"); break;
case S_IFSOCK: printf("socket\n"); break;
default: printf("unknown?\n"); break;
}
printf("I-node number: %ju\n", (uintmax_t) file->f_stat.st_ino);
printf("Mode: %jo (octal)\n",
(uintmax_t) file->f_stat.st_mode);
printf("Link count: %ju\n", (uintmax_t) file->f_stat.st_nlink);
printf("Ownership: UID=%ju GID=%ju\n",
(uintmax_t) file->f_stat.st_uid, (uintmax_t) file->f_stat.st_gid);
printf("Preferred I/O block size: %jd bytes\n",
(intmax_t) file->f_stat.st_blksize);
printf("File size: %jd bytes\n",
(intmax_t) file->f_stat.st_size);
printf("Blocks allocated: %jd\n",
(intmax_t) file->f_stat.st_blocks);
printf("Last status change: %s", ctime(&file->f_stat.st_ctime));
printf("Last file access: %s", ctime(&file->f_stat.st_atime));
printf("Last file modification: %s", ctime(&file->f_stat.st_mtime));
if (file->f_type == Symbolic_Link) {
printf("%s -> %s\n", file->f_name, file->f_link_file->f_name);
}
printf("*********************************************************\n");
}
static void setup_directory_children(t_file * parent, DIR * dir, ls_flags * flags) {
t_file * tmp;
struct dirent * ent;
char * full_path;
if (!parent || !dir || !flags)
return ;
full_path = ft_strjoin(ft_strdup((parent->f_path != NULL) ? parent->f_path : ""), parent->f_name);
while ((ent = readdir(dir))) {
if (*ent->d_name == '.' && !flags->flaga)
continue ;
if (DEBUG)
printf("[%s] %s\n\td_ino [%lu]\n\td_off [%lu]\n\td_reclen [%u]\n\td_type [%d]\n", full_path, ent->d_name, ent->d_ino, ent->d_off, ent->d_reclen, ent->d_type);
tmp = init_file(ent->d_name, full_path);
if (!tmp) {
free(full_path);
return ;
}
tmp->d_ino = ent->d_ino;
set_file_type(tmp, flags);
// I can sort the files here!!!
ft_lstadd_front_cmp(&parent->children, ft_lstnew(tmp), cmp_ascii_order);
}
free(full_path);
}
static void setup_file_directory(t_file * file, ls_flags * flags);
static void setup_file_directory_recursive(void * ptr1, void * ptr2) {
t_file * file;
ls_flags * flags;
file = (t_file *)ptr1;
flags = (ls_flags *)ptr2;
if (file && flags
&& ft_strncmp(file->f_name, "..", ft_max(ft_strlen(file->f_name), ft_strlen("..")))
&& ft_strncmp(file->f_name, ".", ft_max(ft_strlen(file->f_name), ft_strlen(".")))
&& (file->f_stat.st_mode & S_IFMT) == S_IFDIR)
setup_file_directory(file, flags);
}
static void setup_file_directory(t_file * file, ls_flags * flags) {
char * full_path;
DIR * dir;
if (!file || !flags)
return ;
full_path = ft_strjoin(ft_strdup((file->f_path != NULL) ? file->f_path : ""), file->f_name);
if (!full_path)
ft_exit(1, "Failed to allocate memory\n", 0);
dir = opendir(full_path);
free(full_path);
if (!dir) {
file->f_errors = PermissionDenied;
return ;
}
setup_directory_children(file, dir, flags);
closedir(dir);
if (flags->flagR && file->children)
ft_lstiter_param(file->children, setup_file_directory_recursive, flags);
}
void setup_file(void * ptr1, void * ptr2) {
t_file * file;
ls_flags * flags;
file = (t_file *)ptr1;
flags = (ls_flags *)ptr2;
if (!file || !flags)
ft_exit(1, "Bad Error invalid (void *) cast\n", 0);
set_file_type(file, flags);
if (file->f_errors == NoError && (file->f_stat.st_mode & S_IFMT) == S_IFDIR && !flags->flagD) // AND FLAG D NOT PRESENT
setup_file_directory(file, flags);
}