claunia/libcdio-osx
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Put in a much more stringent NRG image test. This means that for now

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we won't require the .NRG extension.
This commit is contained in:
rocky
2006-02-12 10:48:11 +00:00
parent 87974ac363
commit cccc78a064
1 changed files with 32 additions and 18 deletions
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50
lib/driver/image/nrg.c
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@@ -1,5 +1,5 @@
/*
$Id: nrg.c,v 1.20 2006/02/12 05:32:28 rocky Exp $
$Id: nrg.c,v 1.21 2006/02/12 10:48:11 rocky Exp $
Copyright (C) 2003, 2004, 2005, 2006 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2001, 2003 Herbert Valerio Riedel <hvr@gnu.org>
@@ -46,7 +46,7 @@
#include "_cdio_stdio.h"
#include "nrg.h"
static const char _rcsid[] = "$Id: nrg.c,v 1.20 2006/02/12 05:32:28 rocky Exp $";
static const char _rcsid[] = "$Id: nrg.c,v 1.21 2006/02/12 10:48:11 rocky Exp $";
nero_id_t nero_id;
nero_dtype_t nero_dtype;
@@ -69,7 +69,8 @@ typedef struct {
#define NEED_NERO_STRUCT
#include "image_common.h"
static bool parse_nrg (_img_private_t *env, const char *psz_cue_name);
static bool parse_nrg (_img_private_t *env, const char *psz_cue_name,
const cdio_log_level_t log_level);
static lsn_t get_disc_last_lsn_nrg (void *p_user_data);
/* Updates internal track TOC, so we can later
@@ -175,13 +176,12 @@ _register_mapping (_img_private_t *env, lsn_t start_lsn, uint32_t sec_count,
FIXME: right now psz_nrg_name is not used. It will be in the future.
*/
static bool
parse_nrg (_img_private_t *p_env, const char *psz_nrg_name)
parse_nrg (_img_private_t *p_env, const char *psz_nrg_name,
const cdio_log_level_t log_level)
{
long unsigned int footer_start;
long unsigned int size;
char *footer_buf = NULL;
cdio_log_level_t log_level = (NULL == p_env) ? CDIO_LOG_INFO : CDIO_LOG_WARN;
size = cdio_stream_stat (p_env->gen.data_source);
if (-1 == size) return false;
@@ -299,12 +299,14 @@ parse_nrg (_img_private_t *p_env, const char *psz_nrg_name)
#else
lsn = CDIO_INVALID_LSN;
#endif
cdio_warn ("untested (i.e. probably wrong) CUE MSF code");
cdio_log (log_level,
"untested (i.e. probably wrong) CUE MSF code");
break;
}
default:
lsn = CDIO_INVALID_LSN;
cdio_warn("unknown cdte_format %d", cdte_format);
cdio_log(log_level,
"unknown cdte_format %d", cdte_format);
}
sec_count = UINT32_FROM_BE (_entries[idx + 1].lsn);
@@ -774,7 +776,7 @@ _init_nrg (_img_private_t *p_env)
cdtext_init (&(p_env->gen.cdtext));
if ( !parse_nrg (p_env, p_env->gen.source_name) ) {
if ( !parse_nrg (p_env, p_env->gen.source_name, CDIO_LOG_WARN) ) {
cdio_warn ("image file %s is not a Nero image",
p_env->gen.source_name);
return false;
@@ -1166,22 +1168,34 @@ _get_track_green_nrg(void *p_user_data, track_t track_num)
/*!
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)
{
size_t psz_len;
_img_private_t env;
bool is_nrg = false;
if (psz_nrg == NULL) return false;
psz_len = strlen(psz_nrg);
/* At least 4 characters needed for .nrg extension */
if ( psz_len < 4 ) return false;
return strncasecmp( psz_nrg+(psz_len-3), "nrg", 3 ) == 0;
memset(&env, 0, sizeof(env));
if (!(env.gen.data_source = cdio_stdio_new (psz_nrg))) {
cdio_warn ("can't open nrg image file %s for reading", psz_nrg);
return false;
}
if (parse_nrg(&env, psz_nrg, CDIO_LOG_INFO)) {
is_nrg = true;
#ifdef ALSO_TEST_NAME
size_t psz_len;
psz_len = strlen(psz_nrg);
/* At least 4 characters needed for .nrg extension */
if ( psz_len < 4 ) return false;
is_nrg = strncasecmp( psz_nrg+(psz_len-3), "nrg", 3 ) == 0;
#endif
}
cdio_stdio_destroy(env.gen.data_source);
return is_nrg;
}
/*!