From 8e73ee88e9fe1319dd0a4eb672b79b7c778964f4 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sat, 23 Sep 2006 11:36:39 +0000
Subject: [PATCH] Enabled unused SCSI part of struct burn_drive. Switched
 persistent address to burn_drive.devname

---
 libburn/drive.c | 39 ++++++++++++++++++++++++++++++++++-----
 libburn/sg.c    | 21 +++++++++++++++------
 2 files changed, 49 insertions(+), 11 deletions(-)

diff --git a/libburn/drive.c b/libburn/drive.c
index ac9273f..509471c 100644
--- a/libburn/drive.c
+++ b/libburn/drive.c
@@ -656,15 +656,27 @@ int burn_drive_scan_and_grab(struct burn_drive_info *drive_infos[], char* adr,
 	return 1;
 }
 
-/* ts A60823 */
+/* ts A60923 */
+/** Inquire the persistent address of the given drive. */
+int burn_drive_raw_get_adr(struct burn_drive *d, char adr[])
+{
+	assert(strlen(d->devname) < BURN_DRIVE_ADR_LEN);
+	strcpy(adr,d->devname);
+	return 1;
+}
+
+/* ts A60823 - A60923 */
 /** Inquire the persistent address of the given drive. */
 int burn_drive_get_adr(struct burn_drive_info *drive_info, char adr[])
 {
-	assert(strlen(drive_info->location) < BURN_DRIVE_ADR_LEN);
-	strcpy(adr,drive_info->location);
-	return 1;
+	int ret;
+
+	assert(drive_info->drive!=NULL);
+	ret = burn_drive_raw_get_adr(drive_info->drive, adr);
+	return ret;
 }
 
+
 /* ts A60922 ticket 33 */
 /** Evaluate wether the given address would be enumerated by libburn */
 int burn_drive_is_enumerable_adr(char *adr)
@@ -849,7 +861,24 @@ fprintf(stderr,"libburn experimental: Nothing found for %s \n",path);
 int burn_drive_obtain_scsi_adr(char *path, int *host_no, int *channel_no,
 			       int *target_no, int *lun_no)
 {
-	int ret;
+	int ret, i;
+	char adr[BURN_DRIVE_ADR_LEN];
+
+	/* open drives cannot be inquired by sg_obtain_scsi_adr() */
+	for (i = 0; i < drivetop + 1; i++) {
+		if (drive_array[i].global_index < 0)
+	continue;
+		ret = burn_drive_raw_get_adr(&(drive_array[i]),adr);
+		if (ret <= 0)
+	continue;
+		if (strcmp(adr, path) == 0) {
+			*host_no = drive_array[i].host;
+			*channel_no = drive_array[i].channel;
+			*target_no = drive_array[i].id;
+			*lun_no = drive_array[i].lun;
+			return 1;
+		}
+	}
 
 	ret = sg_obtain_scsi_adr(path, host_no, channel_no, target_no, lun_no);
 	return ret;
diff --git a/libburn/sg.c b/libburn/sg.c
index 0250c23..3cfdc8a 100644
--- a/libburn/sg.c
+++ b/libburn/sg.c
@@ -23,7 +23,8 @@
 #include "toc.h"
 #include "util.h"
 
-static void enumerate_common(char *fname);
+static void enumerate_common(char *fname, int host_no, int channel_no,
+                             int target_no, int lun_no);
 
 /* ts A51221 */
 int burn_drive_is_banned(char *device_address);
@@ -177,7 +178,7 @@ void ata_enumerate(void)
 			return;
 		}
 		close(fd);
-		enumerate_common(fname);
+		enumerate_common(fname, -1, -1, -1, -1);
 	}
 }
 
@@ -248,15 +249,23 @@ void sg_enumerate(void)
 		fprintf(stderr,"libburn experimental: SCSI triple: %d,%d,%d\n",sid.host_no,sid.scsi_id,sid.lun);
 */
 
-		enumerate_common(fname);
+		enumerate_common(fname, sid.host_no, sid.channel, 
+				sid.scsi_id, sid.lun);
 	}
 }
-
-static void enumerate_common(char *fname)
+/* ts A60923 : introduced new SCSI parameters */
+static void enumerate_common(char *fname, int host_no, int channel_no, 
+			     int target_no, int lun_no)
 {
 	struct burn_drive *t;
 	struct burn_drive out;
 
+	/* ts A60923 */
+	out.host = host_no;
+	out.id = target_no;
+	out.channel = channel_no;
+	out.lun = lun_no;
+
 	out.devname = burn_strdup(fname);
 	out.fd = -1337;
 
@@ -321,7 +330,7 @@ static void enumerate_common(char *fname)
 	if refcount is not one, drive is open somewhere else.
 
 	ts A60813: this test is too late. O_EXCL is the stronger solution.
-	After all the test was diabled already in icculus.org/burn CVS.
+	After all the test was disabled already in icculus.org/burn CVS.
 */
 int sg_grab(struct burn_drive *d)
 {