claunia/libcdio-osx
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iso9660.h, iso9660_fs.c: Add iso9660_ifs_is_xa() a routine to

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determine if an iso image has XA attributes.

bytesex.h and bytesex_asm.h are now public. (Down the line should use
glib though.) Package  has been revised to the move.

iso-info.c: shows XA attributes what that it is available.
This commit is contained in:
rocky
2004-10-22 01:13:38 +00:00
parent 454497f058
commit b80d83f07b
11 changed files with 70 additions and 40 deletions
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46
lib/iso9660_fs.c
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@@ -1,5 +1,5 @@
/*
$Id: iso9660_fs.c,v 1.25 2004/10/09 23:20:52 rocky Exp $
$Id: iso9660_fs.c,v 1.26 2004/10/22 01:13:38 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -28,23 +28,23 @@
#endif
#include <cdio/cdio.h>
#include <cdio/bytesex.h>
#include <cdio/iso9660.h>
#include <cdio/util.h>
/* Private headers */
#include "cdio_assert.h"
#include "bytesex.h"
#include "_cdio_stdio.h"
#include "cdio_private.h"
#include <stdio.h>
static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.25 2004/10/09 23:20:52 rocky Exp $";
static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.26 2004/10/22 01:13:38 rocky Exp $";
/* Implementation of iso9660_t type */
struct _iso9660 {
CdioDataSource *stream; /* Stream pointer */
void *env; /* environment. */
bool b_xa; /* true if has XA attributes. */
};
/*!
@@ -54,17 +54,28 @@ struct _iso9660 {
iso9660_t *
iso9660_open (const char *pathname /*flags, mode */)
{
iso9660_t *iso = (iso9660_t *) _cdio_malloc(sizeof(struct _iso9660)) ;
iso9660_t *p_iso = (iso9660_t *) _cdio_malloc(sizeof(struct _iso9660)) ;
iso9660_pvd_t pvd;
if (NULL == iso) return NULL;
if (NULL == p_iso) return NULL;
iso->stream = cdio_stdio_new( pathname );
if (NULL == iso->stream) {
free(iso);
return NULL;
}
p_iso->stream = cdio_stdio_new( pathname );
if (NULL == p_iso->stream)
goto error;
return iso;
if (!iso9660_ifs_read_pvd(p_iso, &pvd))
goto error;
/* Determine if image has XA attributes. */
p_iso->b_xa = !strncmp ((char *) &pvd + ISO_XA_MARKER_OFFSET,
ISO_XA_MARKER_STRING,
strlen (ISO_XA_MARKER_STRING));
return p_iso;
error:
free(p_iso);
return NULL;
}
@@ -761,3 +772,14 @@ iso9660_find_fs_lsn(const CdIo *cdio, lsn_t lsn)
return find_fs_lsn_recurse (cdio, "/", lsn);
}
/*!
Return true if ISO 9660 image has extended attrributes (XA).
*/
bool
iso9660_ifs_is_xa (const iso9660_t * p_iso)
{
if (!p_iso) return false;
return p_iso->b_xa;
}