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Corrected strange behavior with non-ISO images on overwriteable media

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Thomas Schmitt
2008-05-13 13:52:33 +00:00
parent 6bc2d3e0a3
commit 5f5b0c7016
7 changed files with 38 additions and 18 deletions
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6
libisoburn/isofs_wrap.c
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@@ -283,7 +283,7 @@ int isoburn_activate_session(struct burn_drive *drive)
o->zero_nwa > 0)))
return 1;
ret = burn_random_access_write(drive, 0, (char*)o->target_iso_head,
ret = burn_random_access_write(drive, (off_t) 0, (char*)o->target_iso_head,
Libisoburn_target_head_sizE, 1);
return ret;
@@ -315,7 +315,7 @@ int isoburn_start_emulation(struct isoburn *o, int flag)
/* we can assume 0 as start block for image */
/* TODO what about ms? where we validate valid iso image in ms disc? */
ret = burn_read_data(drive, (off_t) 0, (char*)o->target_iso_head,
sizeof(o->target_iso_head), &data_count, 2);
(off_t) Libisoburn_target_head_sizE, &data_count, 2);
/* an error means an empty disc */
if (ret <= 0) {
@@ -325,7 +325,7 @@ int isoburn_start_emulation(struct isoburn *o, int flag)
/* check first 64K. If 0's, the disc is treated as a blank disc, and thus
overwritten without extra check. */
i = sizeof(o->target_iso_head);
i = Libisoburn_target_head_sizE;
while (i && !o->target_iso_head[i-1])
--i;