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Fix CD blanking for kernels 2.6.8 and newer
(write access is required to perform blanking commands)
The original version broke support on Linux 2.4, thanks to Ben Peddell for pointing
this out to me, and for the updated patch.
- Daniel Drake <dsd@gentoo.org>
- Ben Peddell <klightspeed@klightspeed.is-a-geek.net>
--- udftools-1.0.0b3/cdrwtool/main.c.orig 2004-12-30 22:53:52.000000000 +0000
+++ udftools-1.0.0b3/cdrwtool/main.c 2004-12-30 22:54:36.000000000 +0000
@@ -242,7 +242,9 @@ int main(int argc, char *argv[])
udf_init_disc(&disc.udf_disc);
strcpy(filename, CDROM_DEVICE);
parse_args(argc, argv, &disc, filename);
- if ((fd = open(filename, O_RDONLY | O_NONBLOCK)) < 0)
+ if (((fd = open(filename, O_RDWR | O_NONBLOCK)) < 0) &&
+ ((errno != EROFS) ||
+ ((fd = open(filename, O_RDONLY | O_NONBLOCK)) < 0)))
{
perror("open cdrom device");
return fd;
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