Added check for .might_simulate to burn_write_opts_auto_write_type()

cdrskin/cdrskin.1

@@ -365,8 +365,10 @@ even if attempted explicitely via "driveropts=burnfree".
 .TP
 .BI \-dummy
 Try to perform the drive operations without actually affecting the inserted
-media. There is no guarantee that this will work with a particular combination
+media. There is no warranty that this will work with a particular combination
 of drive, media, and write mode. Blanking is prevented reliably, though.
+To avoid inadverted real burning, -dummy refuses burn runs on anything but
+CD-R[W] and DVD-R[W].
 .TP
 .BI \-eject
 Eject the disc after work is done.
@@ -380,6 +382,9 @@ write modes which libburn believes they are not supported by the drive.
 Another application is to enforce blanking or re-formatting of media
 which appear to be in the desired blank or format state already.
 .br
+This option enables a burn run with option -dummy even if libburn believes
+that drive and media will not simulate the write mode but will write for real.
+.br
 .B Caution:
 Use this only when in urgent need.
 .TP

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2007.05.28.165630"
+#define Cdrskin_timestamP "2007.05.28.170243"

libburn/options.c

@@ -124,11 +124,19 @@ void burn_write_opts_set_format(struct burn_write_opts *opts, int format)
 
 int burn_write_opts_set_simulate(struct burn_write_opts *opts, int sim)
 {
+/* <<< ts A70529 :
+       One cannot predict the ability to simulate from page 05h
+       information alone. This check is now done later in 
+       function  burn_write_opts_auto_write_type().
+
 	if (opts->drive->mdata->simulate) {
 		opts->simulate = sim;
 		return 1;
 	}
 	return 0;
+*/
+	opts->simulate = !!sim;
+	return 1;
 }
 
 int burn_write_opts_set_underrun_proof(struct burn_write_opts *opts,
@@ -265,6 +273,8 @@ no_caps:;
 	} else if (caps->might_do_sao >= 3 && !(flag & 1))
 		goto try_tao;
 do_sao:;
+	if (caps->might_simulate == 0 && opts->simulate && !opts->force_is_set)
+		goto no_simulate;
 	if (!(flag & 1))
 		burn_write_opts_set_write_type(
 					opts, BURN_WRITE_SAO, BURN_BLOCK_SAO);
@@ -296,6 +306,8 @@ try_tao:;
 	if (strcmp(reason_pt, "TAO: ") != 0)
 		goto no_tao;
 	/* ( TAO data/audio block size will be handled automatically ) */
+	if (caps->might_simulate == 0 && opts->simulate && !opts->force_is_set)
+		goto no_simulate;
 	if (!(flag & 1))
 		burn_write_opts_set_write_type(
 				opts, BURN_WRITE_TAO, BURN_BLOCK_MODE1);
@@ -323,13 +335,21 @@ try_raw:;
 		strcat(reasons, "drive dislikes block type, ");
 	if (strcmp(reason_pt, "RAW: ") != 0)
 		goto no_write_mode;
+	if (!opts->force_is_set)
+		goto no_simulate;
 
 	/*  For now: no setting of raw write modes */
 
 	{wt = BURN_WRITE_RAW; goto ex;}
 
 no_write_mode:;
-	wt = BURN_WRITE_NONE;
+	{wt = BURN_WRITE_NONE; goto ex;}
+
+no_simulate:;
+	strcat(reasons,
+	       "simulation of write job not supported by drive and media, ");
+	{wt = BURN_WRITE_NONE; goto ex;}
+	
 ex:;
 	burn_disc_free_multi_caps(&caps);
 	if (wt == BURN_WRITE_NONE && !(flag & 3)) {