Implemented resolving of softlinks (ticket 33)

libburn/drive.c

@@ -663,3 +663,10 @@ int burn_drive_get_adr(struct burn_drive_info *drive_info, char adr[])
 	return 1;
 }
 
+/* ts A60922 ticket 33 */
+/** Evaluate wether the given address would be enumerated by libburn */
+int burn_drive_is_enumerable_adr(char *adr)
+{
+	return sg_is_enumerable_adr(adr);
+}
+

libburn/libburn.h

@@ -579,6 +579,11 @@ void burn_drive_info_free(struct burn_drive_info drive_infos[]);
 */
 int burn_drive_get_adr(struct burn_drive_info *drive_info, char adr[]);
 
+/* ts A60922 ticket 33 */
+/** Evaluate wether the given address would be enumerated by libburn
+    @return 1 means yes, 0 means no */
+int burn_drive_is_enumerable_adr(char *adr);
+
 
 /** Grab a drive. This must be done before the drive can be used (for reading,
     writing, etc).

libburn/sg.c

@@ -56,6 +56,28 @@ static int sgio_test(int fd)
 	return ioctl(fd, SG_IO, &s);
 }
 
+
+/* ts A60922 ticket 33 */
+int sg_is_enumerable_adr(char *adr)
+{
+	char fname[10];
+	int i;
+
+	for (i = 0; i < 26; i++) {
+		sprintf(fname, "/dev/hd%c", 'a' + i);
+		if (strcmp(adr, fname) == 0)
+			return 1;
+	}
+	for (i = 0; i < 32; i++) {
+		sprintf(fname, "/dev/sg%d", i);
+		if (strcmp(adr, fname) == 0)
+			return 1;
+		
+	}
+	return 0;
+}
+
+
 void ata_enumerate(void)
 {
 	struct hd_driveid tm;

libburn/sg.h

@@ -9,6 +9,9 @@ struct command;
 enum response
 { RETRY, FAIL };
 
+/* ts A60922 ticket 33 */
+int sg_is_enumerable_adr(char *adr);
+
 void sg_enumerate(void);
 void ata_enumerate(void);
 int sg_grab(struct burn_drive *);