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New flag bit12 with isoburn_read_iso_head()

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This commit is contained in:
Thomas Schmitt 2023-02-24 09:01:04 +01:00
parent 163129ca6a
commit 6a921c7411
3 changed files with 7 additions and 2 deletions
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4
libisoburn/burn_wrap.c
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@ -1291,6 +1291,8 @@ int isoburn_read_iso_head_parse(unsigned char *data,
0= do not return anything in info (do not even touch it) 0= do not return anything in info (do not even touch it)
1= copy volume id to info (info needs 33 bytes) 1= copy volume id to info (info needs 33 bytes)
2= copy 64 kB header to info (needs 65536 bytes) 2= copy 64 kB header to info (needs 65536 bytes)
bit12= read even if the start of multi-session emulation
yielded a read error
bit13= do not read head from media but use first 64 kB from info bit13= do not read head from media but use first 64 kB from info
bit14= check both half buffers (not only second) bit14= check both half buffers (not only second)
return 2 if found in first block return 2 if found in first block
@ -1333,7 +1335,7 @@ int isoburn_read_iso_head(struct burn_drive *d, int lba,
if(ret > 0 && to_read >= (off_t) (36 * 1024)) { if(ret > 0 && to_read >= (off_t) (36 * 1024)) {
ret= isoburn_find_emulator(&o, d, 0); ret= isoburn_find_emulator(&o, d, 0);
if(ret > 0) if(ret > 0)
if(o->media_read_error) if(o->media_read_error && !(flag & (1 << 12)))
{ret= (-1 * !!(flag & (1 << 15))); goto ex;} {ret= (-1 * !!(flag & (1 << 15))); goto ex;}
if(to_read >= (off_t) (64 * 1024)) if(to_read >= (off_t) (64 * 1024))
to_read= 64 * 1024; to_read= 64 * 1024;

3
libisoburn/libisoburn.h
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@ -725,6 +725,9 @@ void isoburn_toc_disc_free(struct isoburn_toc_disc *disc);
1= copy volume id to info (info needs 33 bytes) 1= copy volume id to info (info needs 33 bytes)
2= @since 0.2.2 : 2= @since 0.2.2 :
copy 64 kB header to info (needs 65536 bytes) copy 64 kB header to info (needs 65536 bytes)
bit12= @since 1.5.6 :
Read even if the start of multi-session emulation
yielded a read error
bit13= @since 0.2.2: bit13= @since 0.2.2:
Do not read head from medium but use first 64 kB from Do not read head from medium but use first 64 kB from
info. info.

2
xorriso/xorriso_timestamp.h
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@ -1 +1 @@
#define Xorriso_timestamP "2023.02.08.200727" #define Xorriso_timestamP "2023.02.24.080036"