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multiple devices support; -s option: close if opened/open if closed

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4497 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2003-09-04 08:26:57 +00:00
parent e12302da4b
commit 1d5050d24f
1 changed files with 44 additions and 9 deletions
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53
src/apps/bin/eject.c
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@ -21,34 +21,46 @@
int usage(char *prog) int usage(char *prog)
{ {
printf("usage: eject [-q|-l] /dev/disk/.../raw\n"); printf("usage: eject [-q|-l|-s] /dev/disk/.../raw\n");
printf(" eject the device, or:\n"); printf(" eject the device, or:\n");
printf(" -l: load it (close the tray)\n"); printf(" -l: load it (close the tray)\n");
printf(" -q: query for media status\n"); printf(" -q: query for media status\n");
printf(" -s: swap tray position (close/eject)\n");
return 0; return 0;
} }
static int do_eject(char operation, char *device);
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
char *device = "/dev/disk/floppy/raw"; char *device = NULL;
char operation = 'e'; char operation = 'e';
int fd, i; int i;
status_t devstatus; int ret;
for (i = 1; i < argc; i++) { for (i = 1; i < argc; i++) {
if (strncmp(argv[i], "-", 1) == 0) { if (strncmp(argv[i], "-", 1) == 0) {
if (strlen(argv[i]) > 1) if (strlen(argv[i]) > 1)
operation = argv[i][1]; operation = argv[i][1];
else { else {
usage(argv[0]); usage("eject");
return 1; return 1;
} }
} else if (strncmp(argv[i], "--h", 2) == 0) } else if (strncmp(argv[i], "--h", 2) == 0)
return usage(argv[0]); return usage("eject");
else { else {
device = argv[i]; device = argv[i];
break; ret = do_eject(operation, device);
if (ret != 0)
return ret;
} }
} }
if (device == NULL)
return do_eject(operation, "/dev/disk/floppy/raw");
}
static int do_eject(char operation, char *device)
{
int fd;
status_t devstatus;
fd = open(device, O_RDONLY); fd = open(device, O_RDONLY);
if (fd < 0) { if (fd < 0) {
perror(device); perror(device);
@ -56,7 +68,7 @@ int main(int argc, char **argv)
} }
switch (operation) { switch (operation) {
case 'h': case 'h':
return usage(argv[0]); return usage("eject");
case 'e': case 'e':
if (ioctl(fd, B_EJECT_DEVICE) < 0) { if (ioctl(fd, B_EJECT_DEVICE) < 0) {
perror(device); perror(device);
@ -82,8 +94,31 @@ int main(int argc, char **argv)
puts(strerror(devstatus)); puts(strerror(devstatus));
} }
break; break;
case 's':
if (ioctl(fd, B_GET_MEDIA_STATUS, &devstatus) < 0) {
perror(device);
return 1;
}
switch (devstatus) {
case B_NO_ERROR:
case B_DEV_NO_MEDIA:
if (ioctl(fd, B_EJECT_DEVICE) < 0) {
perror(device);
return 1;
}
break;
case B_DEV_DOOR_OPEN:
if (ioctl(fd, B_LOAD_MEDIA) < 0) {
perror(device);
return 1;
}
break;
default: default:
usage(argv[0]); perror(device);
}
break;
default:
usage("eject");
return 1; return 1;
} }
close(fd); close(fd);