diff options
Diffstat (limited to 'src/input/vcd/libcdio/iso9660_fs.c')
-rw-r--r-- | src/input/vcd/libcdio/iso9660_fs.c | 567 |
1 files changed, 461 insertions, 106 deletions
diff --git a/src/input/vcd/libcdio/iso9660_fs.c b/src/input/vcd/libcdio/iso9660_fs.c index b54cf2c0f..5841b7d87 100644 --- a/src/input/vcd/libcdio/iso9660_fs.c +++ b/src/input/vcd/libcdio/iso9660_fs.c @@ -1,8 +1,8 @@ /* - $Id: iso9660_fs.c,v 1.1 2003/10/13 11:47:12 f1rmb Exp $ + $Id: iso9660_fs.c,v 1.2 2004/04/11 12:20:31 miguelfreitas Exp $ Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> - Copyright (C) 2003 Rocky Bernstein <rocky@panix.com> + Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -35,88 +35,173 @@ #include "cdio_assert.h" #include "bytesex.h" #include "ds.h" +#include "_cdio_stdio.h" +#include "cdio_private.h" #include <stdio.h> -static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.1 2003/10/13 11:47:12 f1rmb Exp $"; +static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.2 2004/04/11 12:20:31 miguelfreitas Exp $"; -static void -_idr2statbuf (const iso9660_dir_t *idr, iso9660_stat_t *stat, bool is_mode2) +/* Implementation of iso9660_t type */ +struct _iso9660 { + CdioDataSource *stream; /* Stream pointer */ + void *env; /* environment. */ +}; + +/*! + Open an ISO 9660 image for reading. Maybe in the future we will have + flags and mode. NULL is returned on error. +*/ +iso9660_t * +iso9660_open (const char *pathname /*flags, mode */) +{ + iso9660_t *iso = (iso9660_t *) _cdio_malloc(sizeof(struct _iso9660)) ; + + if (NULL == iso) return NULL; + + iso->stream = cdio_stdio_new( pathname ); + if (NULL == iso->stream) { + free(iso); + return NULL; + } + + return iso; +} + + + +/*! + Close previously opened ISO 9660 image. + True is unconditionally returned. If there was an error false would + be returned. +*/ +bool +iso9660_close (iso9660_t *iso) +{ + if (NULL != iso) { + cdio_stdio_destroy(iso->stream); + free(iso); + } + return true; +} + + + +/*! + Seek to a position and then read n blocks. Size read is returned. +*/ +long int +iso9660_iso_seek_read (iso9660_t *iso, void *ptr, lsn_t start, long int size) +{ + long int ret; + if (NULL == iso) return 0; + ret = cdio_stream_seek (iso->stream, start * ISO_BLOCKSIZE, SEEK_SET); + if (ret!=0) return 0; + return cdio_stream_read (iso->stream, ptr, ISO_BLOCKSIZE, size); +} + + +static iso9660_stat_t * +_iso9660_dir_to_statbuf (const iso9660_dir_t *iso9660_dir, bool is_mode2) { iso9660_xa_t *xa_data = NULL; - uint8_t dir_len= iso9660_get_dir_len(idr); + uint8_t dir_len= iso9660_get_dir_len(iso9660_dir); + unsigned int filename_len; + unsigned int stat_len; + iso9660_stat_t *stat; + + if (!dir_len) return NULL; - memset ((void *) stat, 0, sizeof (iso9660_stat_t)); + filename_len = from_711(iso9660_dir->filename_len); - if (!dir_len) return; + /* .. string in statbuf is one longer than in iso9660_dir's listing '\1' */ + stat_len = sizeof(iso9660_stat_t)+filename_len+2; - stat->type = (idr->file_flags & ISO_DIRECTORY) ? _STAT_DIR : _STAT_FILE; - stat->lsn = from_733 (idr->extent); - stat->size = from_733 (idr->size); + stat = _cdio_malloc(stat_len); + stat->type = (iso9660_dir->file_flags & ISO_DIRECTORY) + ? _STAT_DIR : _STAT_FILE; + stat->lsn = from_733 (iso9660_dir->extent); + stat->size = from_733 (iso9660_dir->size); stat->secsize = _cdio_len2blocks (stat->size, ISO_BLOCKSIZE); - iso9660_get_dtime(&(idr->recording_time), true, &(stat->tm)); + if (iso9660_dir->filename[0] == '\0') + strcpy (stat->filename, "."); + else if (iso9660_dir->filename[0] == '\1') + strcpy (stat->filename, ".."); + else + strncpy (stat->filename, iso9660_dir->filename, filename_len); + + iso9660_get_dtime(&(iso9660_dir->recording_time), true, &(stat->tm)); cdio_assert (dir_len >= sizeof (iso9660_dir_t)); if (is_mode2) { - int su_length = iso9660_get_dir_len(idr) - sizeof (iso9660_dir_t); - su_length -= idr->filename_len; + int su_length = iso9660_get_dir_len(iso9660_dir) - sizeof (iso9660_dir_t); + su_length -= filename_len; if (su_length % 2) su_length--; if (su_length < 0 || su_length < sizeof (iso9660_xa_t)) - return; + return stat; - xa_data = (void *) (((char *) idr) + (iso9660_get_dir_len(idr) - su_length)); + xa_data = (void *) (((char *) iso9660_dir) + + (iso9660_get_dir_len(iso9660_dir) - su_length)); if (xa_data->signature[0] != 'X' || xa_data->signature[1] != 'A') { cdio_warn ("XA signature not found in ISO9660's system use area;" " ignoring XA attributes for this file entry."); - cdio_debug ("%d %d %d, '%c%c' (%d, %d)", iso9660_get_dir_len(idr), - idr->filename_len, + cdio_debug ("%d %d %d, '%c%c' (%d, %d)", + iso9660_get_dir_len(iso9660_dir), + filename_len, su_length, xa_data->signature[0], xa_data->signature[1], xa_data->signature[0], xa_data->signature[1]); - return; + return stat; } stat->xa = *xa_data; } + return stat; } -static char * -_idr2name (const iso9660_dir_t *idr) +/*! + Return the directory name stored in the iso9660_dir_t + + A string is allocated: the caller must deallocate. + */ +char * +iso9660_dir_to_name (const iso9660_dir_t *iso9660_dir) { char namebuf[256] = { 0, }; - uint8_t len=iso9660_get_dir_len(idr); + uint8_t len=iso9660_get_dir_len(iso9660_dir); if (!len) return NULL; cdio_assert (len >= sizeof (iso9660_dir_t)); - /* (idr->file_flags & ISO_DIRECTORY) */ + /* (iso9660_dir->file_flags & ISO_DIRECTORY) */ - if (idr->filename[0] == '\0') + if (iso9660_dir->filename[0] == '\0') strcpy (namebuf, "."); - else if (idr->filename[0] == '\1') + else if (iso9660_dir->filename[0] == '\1') strcpy (namebuf, ".."); else - strncpy (namebuf, idr->filename, idr->filename_len); + strncpy (namebuf, iso9660_dir->filename, iso9660_dir->filename_len); return strdup (namebuf); } -static void -_fs_stat_root (const CdIo *cdio, iso9660_stat_t *stat, bool is_mode2) +static iso9660_stat_t * +_fs_stat_root (const CdIo *cdio, bool is_mode2) { char block[ISO_BLOCKSIZE] = { 0, }; const iso9660_pvd_t *pvd = (void *) █ - const iso9660_dir_t *idr = (void *) pvd->root_directory_record; + const iso9660_dir_t *iso9660_dir = (void *) pvd->root_directory_record; + iso9660_stat_t *stat; if (is_mode2) { if (cdio_read_mode2_sector (cdio, &block, ISO_PVD_SECTOR, false)) @@ -126,25 +211,44 @@ _fs_stat_root (const CdIo *cdio, iso9660_stat_t *stat, bool is_mode2) cdio_assert_not_reached (); } - _idr2statbuf (idr, stat, is_mode2); + stat = _iso9660_dir_to_statbuf (iso9660_dir, is_mode2); + return stat; +} + +static iso9660_stat_t * +_fs_stat_iso_root (iso9660_t *iso) +{ + char block[ISO_BLOCKSIZE] = { 0, }; + const iso9660_pvd_t *pvd = (void *) █ + const iso9660_dir_t *iso9660_dir = (void *) pvd->root_directory_record; + iso9660_stat_t *stat; + int ret; + + ret = iso9660_iso_seek_read (iso, block, ISO_PVD_SECTOR, 1); + if (ret!=ISO_BLOCKSIZE) return NULL; + + stat = _iso9660_dir_to_statbuf (iso9660_dir, true); + return stat; } -static int +static iso9660_stat_t * _fs_stat_traverse (const CdIo *cdio, const iso9660_stat_t *_root, - char **splitpath, /*out*/ iso9660_stat_t *buf, - bool is_mode2) + char **splitpath, bool is_mode2, bool translate) { unsigned offset = 0; uint8_t *_dirbuf = NULL; + iso9660_stat_t *stat; if (!splitpath[0]) { - *buf = *_root; - return 0; + unsigned int len=sizeof(iso9660_stat_t) + strlen(_root->filename)+1; + stat = _cdio_malloc(len); + memcpy(stat, _root, len); + return stat; } if (_root->type == _STAT_FILE) - return -1; + return NULL; cdio_assert (_root->type == _STAT_DIR); @@ -160,137 +264,386 @@ _fs_stat_traverse (const CdIo *cdio, const iso9660_stat_t *_root, if (is_mode2) { if (cdio_read_mode2_sectors (cdio, _dirbuf, _root->lsn, false, _root->secsize)) - cdio_assert_not_reached (); + return NULL; } else { if (cdio_read_mode1_sectors (cdio, _dirbuf, _root->lsn, false, _root->secsize)) - cdio_assert_not_reached (); + return NULL; } while (offset < (_root->secsize * ISO_BLOCKSIZE)) { - const iso9660_dir_t *idr = (void *) &_dirbuf[offset]; - iso9660_stat_t stat; - char *name; + const iso9660_dir_t *iso9660_dir = (void *) &_dirbuf[offset]; + iso9660_stat_t *stat; + int cmp; - if (!iso9660_get_dir_len(idr)) + if (!iso9660_get_dir_len(iso9660_dir)) { offset++; continue; } - name = _idr2name (idr); - _idr2statbuf (idr, &stat, is_mode2); + stat = _iso9660_dir_to_statbuf (iso9660_dir, is_mode2); + + if (translate) { + char *trans_fname = malloc(strlen(stat->filename)); + int trans_len; + + if (trans_fname == NULL) { + cdio_warn("can't allocate %lu bytes", + (long unsigned int) strlen(stat->filename)); + return NULL; + } + trans_len = iso9660_name_translate(stat->filename, trans_fname); + cmp = strcmp(splitpath[0], trans_fname); + free(trans_fname); + } else { + cmp = strcmp(splitpath[0], stat->filename); + } + + if (!cmp) { + iso9660_stat_t *ret_stat + = _fs_stat_traverse (cdio, stat, &splitpath[1], is_mode2, + translate); + free(stat); + free (_dirbuf); + return ret_stat; + } + + free(stat); + + offset += iso9660_get_dir_len(iso9660_dir); + } + + cdio_assert (offset == (_root->secsize * ISO_BLOCKSIZE)); + + /* not found */ + free (_dirbuf); + return NULL; +} + +static iso9660_stat_t * +_fs_iso_stat_traverse (iso9660_t *iso, const iso9660_stat_t *_root, + char **splitpath, bool translate) +{ + unsigned offset = 0; + uint8_t *_dirbuf = NULL; + iso9660_stat_t *stat; + int ret; + + if (!splitpath[0]) + { + unsigned int len=sizeof(iso9660_stat_t) + strlen(_root->filename)+1; + stat = _cdio_malloc(len); + memcpy(stat, _root, len); + return stat; + } + + if (_root->type == _STAT_FILE) + return NULL; + + cdio_assert (_root->type == _STAT_DIR); + + if (_root->size != ISO_BLOCKSIZE * _root->secsize) + { + cdio_warn ("bad size for ISO9660 directory (%ud) should be (%lu)!", + (unsigned) _root->size, + (unsigned long int) ISO_BLOCKSIZE * _root->secsize); + } + + _dirbuf = _cdio_malloc (_root->secsize * ISO_BLOCKSIZE); + + ret = iso9660_iso_seek_read (iso, _dirbuf, _root->lsn, _root->secsize); + if (ret!=ISO_BLOCKSIZE*_root->secsize) return NULL; + + while (offset < (_root->secsize * ISO_BLOCKSIZE)) + { + const iso9660_dir_t *iso9660_dir = (void *) &_dirbuf[offset]; + iso9660_stat_t *stat; + int cmp; - if (!strcmp (splitpath[0], name)) + if (!iso9660_get_dir_len(iso9660_dir)) { - int retval = _fs_stat_traverse (cdio, &stat, &splitpath[1], buf, - is_mode2); - free (name); - free (_dirbuf); - return retval; + offset++; + continue; } + + stat = _iso9660_dir_to_statbuf (iso9660_dir, true); + + if (translate) { + char *trans_fname = malloc(strlen(stat->filename)+1); + int trans_len; + + if (trans_fname == NULL) { + cdio_warn("can't allocate %lu bytes", + (long unsigned int) strlen(stat->filename)); + return NULL; + } + trans_len = iso9660_name_translate(stat->filename, trans_fname); + cmp = strcmp(splitpath[0], trans_fname); + free(trans_fname); + } else { + cmp = strcmp(splitpath[0], stat->filename); + } + + if (!cmp) { + iso9660_stat_t *ret_stat + = _fs_iso_stat_traverse (iso, stat, &splitpath[1], translate); + free(stat); + free (_dirbuf); + return ret_stat; + } - free (name); - - offset += iso9660_get_dir_len(idr); + free(stat); + + offset += iso9660_get_dir_len(iso9660_dir); } cdio_assert (offset == (_root->secsize * ISO_BLOCKSIZE)); /* not found */ free (_dirbuf); - return -1; + return NULL; +} + +/*! + Get file status for pathname into stat. NULL is returned on error. + */ +iso9660_stat_t * +iso9660_fs_stat (const CdIo *cdio, const char pathname[], bool is_mode2) +{ + iso9660_stat_t *root; + char **splitpath; + iso9660_stat_t *stat; + + if (cdio == NULL) return NULL; + if (pathname == NULL) return NULL; + + root = _fs_stat_root (cdio, is_mode2); + if (NULL == root) return NULL; + + splitpath = _cdio_strsplit (pathname, '/'); + stat = _fs_stat_traverse (cdio, root, splitpath, is_mode2, false); + free(root); + _cdio_strfreev (splitpath); + + return stat; +} + +/*! + Get file status for pathname into stat. NULL is returned on error. + pathname version numbers in the ISO 9660 + name are dropped, i.e. ;1 is removed and if level 1 ISO-9660 names + are lowercased. + */ +iso9660_stat_t * +iso9660_fs_stat_translate (const CdIo *cdio, const char pathname[], + bool is_mode2) +{ + iso9660_stat_t *root; + char **splitpath; + iso9660_stat_t *stat; + + if (cdio == NULL) return NULL; + if (pathname == NULL) return NULL; + + root = _fs_stat_root (cdio, is_mode2); + if (NULL == root) return NULL; + + splitpath = _cdio_strsplit (pathname, '/'); + stat = _fs_stat_traverse (cdio, root, splitpath, is_mode2, true); + free(root); + _cdio_strfreev (splitpath); + + return stat; +} + +/*! + Get file status for pathname into stat. NULL is returned on error. + */ +void * +iso9660_ifs_stat (iso9660_t *iso, const char pathname[]) +{ + iso9660_stat_t *root; + char **splitpath; + iso9660_stat_t *stat; + + if (iso == NULL) return NULL; + if (pathname == NULL) return NULL; + + root = _fs_stat_iso_root (iso); + if (NULL == root) return NULL; + + splitpath = _cdio_strsplit (pathname, '/'); + stat = _fs_iso_stat_traverse (iso, root, splitpath, false); + free(root); + _cdio_strfreev (splitpath); + + return stat; } /*! - Get file status for pathname into stat. As with libc's stat, 0 is returned - if no error and -1 on error. + Get file status for pathname into stat. NULL is returned on error. + pathname version numbers in the ISO 9660 + name are dropped, i.e. ;1 is removed and if level 1 ISO-9660 names + are lowercased. */ -int -iso9660_fs_stat (const CdIo *cdio, const char pathname[], - /*out*/ iso9660_stat_t *stat, bool is_mode2) +void * +iso9660_ifs_stat_translate (iso9660_t *iso, const char pathname[]) { - iso9660_stat_t _root; - int retval; + iso9660_stat_t *root; char **splitpath; + iso9660_stat_t *stat; - cdio_assert (cdio != NULL); - cdio_assert (pathname != NULL); - cdio_assert (stat != NULL); + if (iso == NULL) return NULL; + if (pathname == NULL) return NULL; - _fs_stat_root (cdio, &_root, is_mode2); + root = _fs_stat_iso_root (iso); + if (NULL == root) return NULL; splitpath = _cdio_strsplit (pathname, '/'); - retval = _fs_stat_traverse (cdio, &_root, splitpath, stat, is_mode2); + stat = _fs_iso_stat_traverse (iso, root, splitpath, true); + free(root); _cdio_strfreev (splitpath); - return retval; + return stat; } -void * /* list of char* -- caller must free it */ +/*! + Read pathname (a directory) and return a list of iso9660_stat_t + of the files inside that. The caller must free the returned result. +*/ +void * iso9660_fs_readdir (const CdIo *cdio, const char pathname[], bool is_mode2) { - iso9660_stat_t stat; + iso9660_stat_t *stat; - cdio_assert (cdio != NULL); - cdio_assert (pathname != NULL); + if (NULL == cdio) return NULL; + if (NULL == pathname) return NULL; - if (iso9660_fs_stat (cdio, pathname, &stat, is_mode2)) + stat = iso9660_fs_stat (cdio, pathname, is_mode2); + if (NULL == stat) return NULL; - if (stat.type != _STAT_DIR) + if (stat->type != _STAT_DIR) { + free(stat); return NULL; + } { unsigned offset = 0; uint8_t *_dirbuf = NULL; CdioList *retval = _cdio_list_new (); - if (stat.size != ISO_BLOCKSIZE * stat.secsize) + if (stat->size != ISO_BLOCKSIZE * stat->secsize) { cdio_warn ("bad size for ISO9660 directory (%ud) should be (%lu)!", - (unsigned) stat.size, - (unsigned long int) ISO_BLOCKSIZE * stat.secsize); + (unsigned) stat->size, + (unsigned long int) ISO_BLOCKSIZE * stat->secsize); } - _dirbuf = _cdio_malloc (stat.secsize * ISO_BLOCKSIZE); + _dirbuf = _cdio_malloc (stat->secsize * ISO_BLOCKSIZE); if (is_mode2) { - if (cdio_read_mode2_sectors (cdio, _dirbuf, stat.lsn, false, - stat.secsize)) + if (cdio_read_mode2_sectors (cdio, _dirbuf, stat->lsn, false, + stat->secsize)) cdio_assert_not_reached (); } else { - if (cdio_read_mode1_sectors (cdio, _dirbuf, stat.lsn, false, - stat.secsize)) + if (cdio_read_mode1_sectors (cdio, _dirbuf, stat->lsn, false, + stat->secsize)) cdio_assert_not_reached (); } - while (offset < (stat.secsize * ISO_BLOCKSIZE)) + while (offset < (stat->secsize * ISO_BLOCKSIZE)) + { + const iso9660_dir_t *iso9660_dir = (void *) &_dirbuf[offset]; + iso9660_stat_t *iso9660_stat; + + if (!iso9660_get_dir_len(iso9660_dir)) + { + offset++; + continue; + } + + iso9660_stat = _iso9660_dir_to_statbuf(iso9660_dir, is_mode2); + _cdio_list_append (retval, iso9660_stat); + + offset += iso9660_get_dir_len(iso9660_dir); + } + + cdio_assert (offset == (stat->secsize * ISO_BLOCKSIZE)); + + free (_dirbuf); + free (stat); + return retval; + } +} + +/*! + Read pathname (a directory) and return a list of iso9660_stat_t + of the files inside that. The caller must free the returned result. +*/ +void * +iso9660_ifs_readdir (iso9660_t *iso, const char pathname[]) +{ + iso9660_stat_t *stat; + + if (NULL == iso) return NULL; + if (NULL == pathname) return NULL; + + stat = iso9660_ifs_stat (iso, pathname); + if (NULL == stat) return NULL; + + if (stat->type != _STAT_DIR) { + free(stat); + return NULL; + } + + { + long int ret; + unsigned offset = 0; + uint8_t *_dirbuf = NULL; + CdioList *retval = _cdio_list_new (); + + if (stat->size != ISO_BLOCKSIZE * stat->secsize) { - const iso9660_dir_t *idr = (void *) &_dirbuf[offset]; + cdio_warn ("bad size for ISO9660 directory (%ud) should be (%lu)!", + (unsigned) stat->size, + (unsigned long int) ISO_BLOCKSIZE * stat->secsize); + } + + _dirbuf = _cdio_malloc (stat->secsize * ISO_BLOCKSIZE); - if (!iso9660_get_dir_len(idr)) + ret = iso9660_iso_seek_read (iso, _dirbuf, stat->lsn, stat->secsize); + if (ret != ISO_BLOCKSIZE*stat->secsize) return NULL; + + while (offset < (stat->secsize * ISO_BLOCKSIZE)) + { + const iso9660_dir_t *iso9660_dir = (void *) &_dirbuf[offset]; + iso9660_stat_t *iso9660_stat; + + if (!iso9660_get_dir_len(iso9660_dir)) { offset++; continue; } - _cdio_list_append (retval, _idr2name (idr)); + iso9660_stat = _iso9660_dir_to_statbuf(iso9660_dir, true); + _cdio_list_append (retval, iso9660_stat); - offset += iso9660_get_dir_len(idr); + offset += iso9660_get_dir_len(iso9660_dir); } - cdio_assert (offset == (stat.secsize * ISO_BLOCKSIZE)); + cdio_assert (offset == (stat->secsize * ISO_BLOCKSIZE)); free (_dirbuf); + free (stat); return retval; } } -static bool -find_fs_lsn_recurse (const CdIo *cdio, const char pathname[], - /*out*/ iso9660_stat_t *statbuf, lsn_t lsn) +static iso9660_stat_t * +find_fs_lsn_recurse (const CdIo *cdio, const char pathname[], lsn_t lsn) { CdioList *entlist = iso9660_fs_readdir (cdio, pathname, true); CdioList *dirlist = _cdio_list_new (); @@ -302,25 +655,26 @@ find_fs_lsn_recurse (const CdIo *cdio, const char pathname[], _CDIO_LIST_FOREACH (entnode, entlist) { - char *name = _cdio_list_node_data (entnode); + iso9660_stat_t *statbuf = _cdio_list_node_data (entnode); char _fullname[4096] = { 0, }; + char *filename = (char *) statbuf->filename; - snprintf (_fullname, sizeof (_fullname), "%s%s", pathname, name); + snprintf (_fullname, sizeof (_fullname), "%s%s", pathname, filename); - if (iso9660_fs_stat (cdio, _fullname, statbuf, true)) - cdio_assert_not_reached (); - strncat (_fullname, "/", sizeof (_fullname)); if (statbuf->type == _STAT_DIR - && strcmp (name, ".") - && strcmp (name, "..")) + && 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 = _cdio_malloc(len); + memcpy(ret_stat, statbuf, len); _cdio_list_free (entlist, true); _cdio_list_free (dirlist, true); - return true; + return ret_stat; } } @@ -332,26 +686,27 @@ find_fs_lsn_recurse (const CdIo *cdio, const char pathname[], _CDIO_LIST_FOREACH (entnode, dirlist) { char *_fullname = _cdio_list_node_data (entnode); + iso9660_stat_t *ret_stat = find_fs_lsn_recurse (cdio, _fullname, lsn); - if (find_fs_lsn_recurse (cdio, _fullname, statbuf, lsn)) { + if (NULL != ret_stat) { _cdio_list_free (dirlist, true); - return true; + return ret_stat; } } _cdio_list_free (dirlist, true); - return false; + return NULL; } /*! Given a directory pointer, find the filesystem entry that contains - lsn and return information about it in stat. + lsn and return information about it. - Returns true if we found an entry with the lsn and false if not. + Returns stat_t of entry if we found lsn, or NULL otherwise. */ -bool -iso9660_find_fs_lsn(const CdIo *cdio, lsn_t lsn, /*out*/ iso9660_stat_t *stat) +iso9660_stat_t * +iso9660_find_fs_lsn(const CdIo *cdio, lsn_t lsn) { - return find_fs_lsn_recurse (cdio, "/", stat, lsn); + return find_fs_lsn_recurse (cdio, "/", lsn); } |