X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=extras%2Fcdrom_id%2Fcdrom_id.c;h=d4156ce7ac310586f90e5c28ef924353d3bb9f6a;hb=bcee964977fe6a85e1c7e60f6a58ec61843e8921;hp=dbe80ea7e3709f53f4847a2a103d169d257d06ed;hpb=7d563a17f3967890331daf08d43f2f005418139b;p=elogind.git

diff --git a/extras/cdrom_id/cdrom_id.c b/extras/cdrom_id/cdrom_id.c
index dbe80ea7e..d4156ce7a 100644
--- a/extras/cdrom_id/cdrom_id.c
+++ b/extras/cdrom_id/cdrom_id.c
@@ -3,19 +3,18 @@
  *
  * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
  *
- *	This program is free software; you can redistribute it and/or modify it
- *	under the terms of the GNU General Public License as published by the
- *	Free Software Foundation version 2 of the License.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
  *
- *	This program is distributed in the hope that it will be useful, but
- *	WITHOUT ANY WARRANTY; without even the implied warranty of
- *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *	General Public License for more details.
- *
- *	You should have received a copy of the GNU General Public License along
- *	with this program; if not, write to the Free Software Foundation, Inc.,
- *	675 Mass Ave, Cambridge, MA 02139, USA.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef _GNU_SOURCE
@@ -38,11 +37,8 @@
 #include <sys/ioctl.h>
 #include <linux/cdrom.h>
 
-#include "../../udev/udev.h"
-
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
-#endif
+#include "libudev.h"
+#include "libudev-private.h"
 
 static int debug;
 
@@ -81,6 +77,7 @@ static unsigned int cd_mrw;
 static unsigned int cd_mrw_w;
 
 /* media info */
+static unsigned int cd_media;
 static unsigned int cd_media_cd_rom;
 static unsigned int cd_media_cd_r;
 static unsigned int cd_media_cd_rw;
@@ -201,6 +198,16 @@ static int cd_capability_compat(struct udev *udev, int fd)
 	return 0;
 }
 
+static int cd_media_compat(struct udev *udev, int fd)
+{
+	if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
+		info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
+		return -1;
+	}
+	cd_media = 1;
+	return 0;
+}
+
 static int cd_inquiry(struct udev *udev, int fd) {
 	struct scsi_cmd sc;
 	unsigned char inq[128];
@@ -330,6 +337,8 @@ static int cd_profiles(struct udev *udev, int fd)
 		return -1;
 	}
 
+	cd_media = 1;
+
 	switch (cur_profile) {
 	case 0x03:
 	case 0x04:
@@ -418,8 +427,10 @@ static int cd_media_info(struct udev *udev, int fd)
 
 	info(udev, "disk type %02x\n", header[8]);
 
-	if ((header[2] & 3) < 4)
+	/* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
+	if (!cd_media_cd_rom && (header[2] & 3) < 4)
 		cd_media_state = media_status[header[2] & 3];
+
 	if ((header[2] & 3) != 2)
 		cd_media_session_next = header[10] << 8 | header[5];
 	cd_media_session_count = header[9] << 8 | header[4];
@@ -504,9 +515,9 @@ int main(int argc, char *argv[])
 {
 	struct udev *udev;
 	static const struct option options[] = {
-		{ "export", 0, NULL, 'x' },
-		{ "debug", 0, NULL, 'd' },
-		{ "help", 0, NULL, 'h' },
+		{ "export", no_argument, NULL, 'x' },
+		{ "debug", no_argument, NULL, 'd' },
+		{ "help", no_argument, NULL, 'h' },
 		{}
 	};
 	const char *node = NULL;
@@ -518,7 +529,7 @@ int main(int argc, char *argv[])
 	if (udev == NULL)
 		goto exit;
 
-	logging_init("cdrom_id");
+	udev_log_init("cdrom_id");
 	udev_set_log_fn(udev, log_fn);
 
 	while (1) {
@@ -560,6 +571,7 @@ int main(int argc, char *argv[])
 	fd = open(node, O_RDONLY | O_NONBLOCK);
 	if (fd < 0) {
 		info(udev, "unable to open '%s'\n", node);
+		fprintf(stderr, "unable to open '%s'\n", node);
 		rc = 1;
 		goto exit;
 	}
@@ -571,11 +583,13 @@ int main(int argc, char *argv[])
 		goto exit;
 	}
 
-	/* check drive */
-	if (cd_inquiry(udev, fd) < 0) {
-		rc = 2;
-		goto exit;
-	}
+	/* check for media */
+	if (cd_media_compat(udev, fd) < 0)
+		goto print;
+
+	/* check if drive talks MMC */
+	if (cd_inquiry(udev, fd) < 0)
+		goto print;
 
 	/* read drive and possibly current profile */
 	if (cd_profiles(udev, fd) < 0)
@@ -632,6 +646,8 @@ print:
 	if (cd_mrw_w)
 		printf("ID_CDROM_MRW_W=1\n");
 
+	if (cd_media)
+		printf("ID_CDROM_MEDIA=1\n");
 	if (cd_media_mo)
 		printf("ID_CDROM_MEDIA_MO=1\n");
 	if (cd_media_mrw)
@@ -691,7 +707,7 @@ exit:
 	if (fd >= 0)
 		close(fd);
 	udev_unref(udev);
-	logging_close();
+	udev_log_close();
 	return rc;
 }