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Treat discs with empty first 64k as blank, and as full otherwise.

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This commit is contained in:
Vreixo Formoso Lopes 2007-09-21 15:27:45 +00:00
parent 929644d186
commit c0cda85897
1 changed files with 13 additions and 2 deletions
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15
libisoburn/trunk/src/isofs_wrap.c
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@ -240,8 +240,19 @@ int isoburn_start_emulation(struct isoburn *o, int flag)
isoburn_set_start_byte(o, (off_t) 0, 0);
o->fabricated_disc_status= BURN_DISC_BLANK;
} else {
// TODO for now I treat this as a full disc
o->fabricated_disc_status= BURN_DISC_FULL;
int i;
/* check first 64K. If 0's, the disc is treated as a blank disc, and thus
overwritten without extra check. If not, the disc is treated as full,
and user needs to isoburn_disc_erase() it before burn it again */
i = sizeof(o->target_iso_head);
while (i && !o->target_iso_head[i-1])
--i;
if (i)
o->fabricated_disc_status= BURN_DISC_FULL;
else
o->fabricated_disc_status= BURN_DISC_BLANK;
}
return 1;
}