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New API call burn_allow_drive_role_4()

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This commit is contained in:
Thomas Schmitt
2011-03-13 13:07:46 +00:00
parent 1b166f484d
commit 402f4c0b04
8 changed files with 154 additions and 35 deletions
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33
libburn/write.c
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@ -1005,9 +1005,12 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
reason_pt= reasons;
reasons[0] = 0;
if (d->drive_role == 0) {
sprintf(reasons,
"DRIVE: is a virtual placeholder (null-drive)");
if (d->drive_role == 0 || d->drive_role == 4) {
if (d->drive_role == 0)
sprintf(reasons,
"DRIVE: is a virtual placeholder (null-drive)");
else
sprintf(reasons, "DRIVE: read-only pseudo drive");
no_media = 1;
goto ex;
}
@ -2042,6 +2045,14 @@ int burn_stdio_open_write(struct burn_drive *d, off_t start_byte,
char msg[160];
off_t lseek_res;
if(d->drive_role == 4) {
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020181,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
"Pseudo-drive is a read-only file. Cannot write.",
0, 0);
return 0;
}
if (d->devname[0] == 0) /* null drives should not come here */
return -1;
fd = burn_drive__fd_from_special_adr(d->devname);
@ -2421,6 +2432,14 @@ calloc() seems not to have the desired effect. valgrind warns:
d->rlba = -150;
d->toc_temp = 9;
if(d->drive_role == 4) {
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020181,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
"Pseudo-drive is a read-only file. Cannot write.",
0, 0);
goto fail_wo_sync;
}
/* ts A70904 */
if (d->drive_role != 1) {
ret = burn_stdio_write_sync(o, disc);
@ -2644,6 +2663,14 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
"Drive is a virtual placeholder (null-drive)", 0, 0);
return 0;
}
if(d->drive_role == 4) {
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020181,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
"Pseudo-drive is a read-only file. Cannot write.",
0, 0);
return 0;
}
if(d->drive_role == 2)
alignment = 2 * 1024;