Added /bin/eject; has improvements over the R5 one.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4398 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/bin/Jamfile

@@ -31,6 +31,7 @@ StdBinCommands
 StdBinCommands
 	chop.c
 	echo.c
+	eject.c
 	hd.c
 	listarea.c
 	listimage.c

src/apps/bin/eject.c

@@ -0,0 +1,92 @@
+// ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
+//
+//  Copyright (c) 2003, OpenBeOS
+//
+//  This software is part of the OpenBeOS distribution and is covered
+//  by the OpenBeOS license.
+//
+//
+//  File:        eject.c
+//  Author:      François Revol (mmu_man@users.sf.net)
+//  Description: ejects physical media from a drive.
+//               This version also loads a media and can query for the status.
+//
+// ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <Drivers.h>
+
+int usage(char *prog)
+{
+	printf("usage: eject [-q|-l] /dev/disk/.../raw\n");
+	printf("	eject the device, or:\n");
+	printf("	-l: load it (close the tray)\n");
+	printf("	-q: query for media status\n");
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	char *device = "/dev/disk/floppy/raw";
+	char operation = 'e';
+	int fd, i;
+	status_t devstatus;
+	for (i = 1; i < argc; i++) {
+		if (strncmp(argv[i], "-", 1) == 0) {
+			if (strlen(argv[i]) > 1)
+				operation = argv[i][1];
+			else {
+				usage(argv[0]);
+				return 1;
+			}
+		} else if (strncmp(argv[i], "--h", 2) == 0)
+			return usage(argv[0]);
+		else {
+			device = argv[i];
+			break;
+		}
+	}
+	fd = open(device, O_RDONLY);
+	if (fd < 0) {
+		perror(device);
+		return 1;
+	}
+	switch (operation) {
+	case 'h':
+		return usage(argv[0]);
+	case 'e':
+		if (ioctl(fd, B_EJECT_DEVICE) < 0) {
+			perror(device);
+			return 1;
+		}
+		break;
+	case 'l':
+		if (ioctl(fd, B_LOAD_MEDIA) < 0) {
+			perror(device);
+			return 1;
+		}
+		break;
+	case 'q':
+		if (ioctl(fd, B_GET_MEDIA_STATUS, &devstatus) < 0) {
+			perror(device);
+			return 1;
+		}
+		switch (devstatus) {
+		case B_NO_ERROR:
+			puts("Media present");
+			break;
+		default:
+			puts(strerror(devstatus));
+		}
+		break;
+	default:
+		usage(argv[0]);
+		return 1;
+	}
+	close(fd);
+	return 0;
+}
+