On Sat, 2006-08-12 at 20:37 +0200, Joerg Schilling wrote:
John Plocher <[EMAIL PROTECTED]> wrote:
But, if cdrecord *is* smart enough to discover all the cd/dvd devices on
the system, it should also be gracious enough to figure out what to do
if there is only one device found.
The problem with higly portable programs with cdrecord is that it is hard to
add features that cannot be implemented on all supported platforms. The Linux
Kernel developers did e.g. prevent this device discovery two years ago.
I don't think cdrw does this device detection in any especially clever
way. Certainly not with a "tell me the CD writer device" syscall.
Instead it just does opendir("/dev/dsk") and then tests each device in
turn to see if it's a CD/DVD writer.
So the guess would be that you could implement this on any platform
where "cdrecord -scanbus" works:
a) Perform the -scanbus scan. But save the results internally rather
than printing.
b) If you got exactly one device from scanbus, use that. Maybe also
check here that it contains writable media if desired.
Hugh.
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