Add ISO9660::FS - the cdio portion of ISO9660 reading.

iso9600.h: another function rename to be more consistent.
This commit is contained in:
rocky
2006-03-06 21:54:56 +00:00
parent 42b0b841d0
commit 7a3ded9bd7
7 changed files with 357 additions and 40 deletions

View File

@@ -1,5 +1,5 @@
/*
$Id: iso9660_fs.c,v 1.32 2005/11/06 00:39:37 rocky Exp $
$Id: iso9660_fs.c,v 1.33 2006/03/06 21:54:56 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -52,7 +52,7 @@
#include <stdio.h>
static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.32 2005/11/06 00:39:37 rocky Exp $";
static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.33 2006/03/06 21:54:56 rocky Exp $";
/* Implementation of iso9660_t type */
struct _iso9660_s {
@@ -987,7 +987,7 @@ _fs_stat_root (CdIo_t *p_cdio)
}
static iso9660_stat_t *
_fs_stat_iso_root (iso9660_t *p_iso)
_ifs_stat_root (iso9660_t *p_iso)
{
iso9660_stat_t *p_stat;
iso9660_dir_t *p_iso9660_dir;
@@ -1253,7 +1253,7 @@ iso9660_ifs_stat (iso9660_t *p_iso, const char psz_path[])
if (!p_iso) return NULL;
if (!psz_path) return NULL;
p_root = _fs_stat_iso_root (p_iso);
p_root = _ifs_stat_root (p_iso);
if (!p_root) return NULL;
splitpath = _cdio_strsplit (psz_path, '/');
@@ -1280,7 +1280,7 @@ iso9660_ifs_stat_translate (iso9660_t *p_iso, const char psz_path[])
if (!p_iso) return NULL;
if (!psz_path) return NULL;
p_root = _fs_stat_iso_root (p_iso);
p_root = _ifs_stat_root (p_iso);
if (NULL == p_root) return NULL;
p_psz_splitpath = _cdio_strsplit (psz_path, '/');
@@ -1483,6 +1483,60 @@ find_fs_lsn_recurse (CdIo_t *p_cdio, const char psz_path[], lsn_t lsn)
return NULL;
}
static iso9660_stat_t *
find_ifs_lsn_recurse (iso9660_t *p_iso, const char psz_path[], lsn_t lsn)
{
CdioList_t *entlist = iso9660_ifs_readdir (p_iso, psz_path);
CdioList_t *dirlist = _cdio_list_new ();
CdioListNode_t *entnode;
cdio_assert (entlist != NULL);
/* iterate over each entry in the directory */
_CDIO_LIST_FOREACH (entnode, entlist)
{
iso9660_stat_t *statbuf = _cdio_list_node_data (entnode);
char _fullname[4096] = { 0, };
char *filename = (char *) statbuf->filename;
snprintf (_fullname, sizeof (_fullname), "%s%s/", psz_path, filename);
if (statbuf->type == _STAT_DIR
&& strcmp ((char *) statbuf->filename, ".")
&& strcmp ((char *) statbuf->filename, ".."))
_cdio_list_append (dirlist, strdup (_fullname));
if (statbuf->lsn == lsn) {
unsigned int len=sizeof(iso9660_stat_t)+strlen(statbuf->filename)+1;
iso9660_stat_t *ret_stat = calloc(1, len);
memcpy(ret_stat, statbuf, len);
_cdio_list_free (entlist, true);
_cdio_list_free (dirlist, true);
return ret_stat;
}
}
_cdio_list_free (entlist, true);
/* now recurse/descend over directories encountered */
_CDIO_LIST_FOREACH (entnode, dirlist)
{
char *_fullname = _cdio_list_node_data (entnode);
iso9660_stat_t *ret_stat = find_ifs_lsn_recurse (p_iso, _fullname, lsn);
if (NULL != ret_stat) {
_cdio_list_free (dirlist, true);
return ret_stat;
}
}
_cdio_list_free (dirlist, true);
return NULL;
}
/*!
Given a directory pointer, find the filesystem entry that contains
lsn and return information about it.
@@ -1490,11 +1544,23 @@ find_fs_lsn_recurse (CdIo_t *p_cdio, const char psz_path[], lsn_t lsn)
Returns stat_t of entry if we found lsn, or NULL otherwise.
*/
iso9660_stat_t *
iso9660_find_fs_lsn(CdIo_t *p_cdio, lsn_t i_lsn)
iso9660_fs_find_lsn(CdIo_t *p_cdio, lsn_t i_lsn)
{
return find_fs_lsn_recurse (p_cdio, "/", i_lsn);
}
/*!
Given a directory pointer, find the filesystem entry that contains
lsn and return information about it.
Returns stat_t of entry if we found lsn, or NULL otherwise.
*/
iso9660_stat_t *
iso9660_ifs_find_lsn(iso9660_t *p_iso, lsn_t i_lsn)
{
return find_ifs_lsn_recurse (p_iso, "/", i_lsn);
}
/*!
Return true if ISO 9660 image has extended attrributes (XA).
*/

View File

@@ -13,7 +13,7 @@ iso9660_dir_init_new
iso9660_dir_init_new_su
iso9660_dir_to_name
iso9660_dirname_valid_p
iso9660_find_fs_lsn
iso9660_fs_find_lsn
iso9660_fs_read_pvd
iso9660_fs_read_superblock
iso9660_fs_readdir
@@ -39,6 +39,7 @@ iso9660_get_system_id
iso9660_get_volume_id
iso9660_get_volumeset_id
iso9660_get_xa_attr_str
iso9660_ifs_find_lsn
iso9660_ifs_fuzzy_read_superblock
iso9660_ifs_get_application_id
iso9660_ifs_get_joliet_level