int ext2fs_ls (const char *dirname) {
struct ext2fs_node *dirnode;
int status;
if (ext2fs_root == NULL) {
return (0);
}
status = ext2fs_find_file (dirname, &ext2fs_root->diropen, &dirnode,
FILETYPE_DIRECTORY);
if (status != 1) {
printf ("** Can not find directory. **\n");
return (1);
}
ext2fs_iterate_dir (dirnode, NULL, NULL, NULL);
ext2fs_free_node (dirnode, &ext2fs_root->diropen);
return (0);
}
quik_err_t
ext2fs_ls(char *dirname)
{
ext2fs_node_t dirnode;
quik_err_t err;
if (ext2fs_root == NULL) {
return ERR_FS_NOT_FOUND;
}
err = ext2fs_find_file(dirname, &ext2fs_root->diropen, &dirnode,
FILETYPE_DIRECTORY);
if (err != ERR_NONE) {
return err;
}
ext2fs_iterate_dir(dirnode, NULL, NULL, NULL);
ext2fs_free_node(dirnode, &ext2fs_root->diropen);
return ERR_NONE;
}
int ext2fs_find_file1
(const char *currpath, struct ext2fs_node *currroot,
struct ext2fs_node **currfound, int *foundtype)
{
char fpath[strlen (currpath) + 1];
char *name = fpath;
char *next;
int status;
int type = FILETYPE_DIRECTORY;
struct ext2fs_node *currnode = currroot;
struct ext2fs_node *oldnode = currroot;
strncpy (fpath, currpath, strlen (currpath) + 1);
/* Remove all leading slashes. */
while (*name == '/') {
name++;
}
if (!*name) {
*currfound = currnode;
return (1);
}
for (;;) {
int found;
/* Extract the actual part from the pathname. */
next = strchr (name, '/');
if (next) {
/* Remove all leading slashes. */
while (*next == '/') {
*(next++) = '\0';
}
}
/* At this point it is expected that the current node is a directory, check if this is true. */
if (type != FILETYPE_DIRECTORY) {
ext2fs_free_node (currnode, currroot);
return (0);
}
oldnode = currnode;
/* Iterate over the directory. */
found = ext2fs_iterate_dir (currnode, name, &currnode, &type);
if (found == 0) {
return (0);
}
if (found == -1) {
break;
}
/* Read in the symlink and follow it. */
if (type == FILETYPE_SYMLINK) {
char *symlink;
/* Test if the symlink does not loop. */
if (++symlinknest == 8) {
ext2fs_free_node (currnode, currroot);
ext2fs_free_node (oldnode, currroot);
return (0);
}
symlink = ext2fs_read_symlink (currnode);
ext2fs_free_node (currnode, currroot);
if (!symlink) {
ext2fs_free_node (oldnode, currroot);
return (0);
}
#ifdef DEBUG
printf ("Got symlink >%s<\n", symlink);
#endif /* of DEBUG */
/* The symlink is an absolute path, go back to the root inode. */
if (symlink[0] == '/') {
ext2fs_free_node (oldnode, currroot);
oldnode = &ext2fs_root->diropen;
}
/* Lookup the node the symlink points to. */
status = ext2fs_find_file1 (symlink, oldnode,
&currnode, &type);
free (symlink);
if (status == 0) {
ext2fs_free_node (oldnode, currroot);
return (0);
}
}
ext2fs_free_node (oldnode, currroot);
/* Found the node! */
if (!next || *next == '\0') {
*currfound = currnode;
*foundtype = type;
return (1);
}
name = next;
}
return (-1);
}
