claunia/libcdio-osx
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Check some validity of NRG image. More will come later....

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rocky
2004-05-09 16:52:20 +00:00
parent ce3de314d8
commit 51d132a457
1 changed files with 39 additions and 5 deletions
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44
lib/image/nrg.c
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@@ -1,5 +1,5 @@
/* /*
$Id: nrg.c,v 1.11 2004/04/30 06:54:15 rocky Exp $ $Id: nrg.c,v 1.12 2004/05/09 16:52:20 rocky Exp $
Copyright (C) 2001, 2003 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2001, 2003 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com> Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -48,7 +48,7 @@
#include "cdio_private.h" #include "cdio_private.h"
#include "_cdio_stdio.h" #include "_cdio_stdio.h"
static const char _rcsid[] = "$Id: nrg.c,v 1.11 2004/04/30 06:54:15 rocky Exp $"; static const char _rcsid[] = "$Id: nrg.c,v 1.12 2004/05/09 16:52:20 rocky Exp $";
/* structures used */ /* structures used */
@@ -1150,6 +1150,33 @@ _get_track_green_nrg(void *env, track_t track_num)
return _obj->tocent[track_num-1].track_green; return _obj->tocent[track_num-1].track_green;
} }
/*!
Check that a NRG file is valid.
*/
/* Later we'll probably do better. For now though, this gets us
started for now.
*/
bool
cdio_is_nrg(const char *psz_nrg)
{
int i;
if (psz_nrg == NULL) return false;
i=strlen(psz_nrg)-strlen("nrg");
if (i>0) {
if (psz_nrg[i]=='n' && psz_nrg[i+1]=='r' && psz_nrg[i+2]=='g') {
return true;
}
else if (psz_nrg[i]=='N' && psz_nrg[i+1]=='R' && psz_nrg[i+2]=='G') {
return true;
}
}
return false;
}
/*! /*!
Initialization routine. This is the only thing that doesn't Initialization routine. This is the only thing that doesn't
get called via a function pointer. In fact *we* are the get called via a function pointer. In fact *we* are the
@@ -1166,7 +1193,7 @@ cdio_open_am_nrg (const char *psz_source_name, const char *psz_access_mode)
CdIo * CdIo *
cdio_open_nrg (const char *source_name) cdio_open_nrg (const char *psz_source)
{ {
CdIo *ret; CdIo *ret;
_img_private_t *_data; _img_private_t *_data;
@@ -1207,12 +1234,19 @@ cdio_open_nrg (const char *source_name)
_data->is_cues = false; /* FIXME: remove is_cues. */ _data->is_cues = false; /* FIXME: remove is_cues. */
_set_arg_nrg(_data, "source", (NULL == source_name) _set_arg_nrg(_data, "source", (NULL == psz_source)
? DEFAULT_CDIO_DEVICE: source_name); ? DEFAULT_CDIO_DEVICE: psz_source);
ret = cdio_new (_data, &_funcs); ret = cdio_new (_data, &_funcs);
if (ret == NULL) return NULL; if (ret == NULL) return NULL;
if (!cdio_is_nrg(psz_source)) {
cdio_debug ("source name %s is not recognized as a NRG image",
psz_source);
return NULL;
}
if (_cdio_init(_data)) if (_cdio_init(_data))
return ret; return ret;
else { else {