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@ -16,10 +16,6 @@
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#include "../libburn/libburn.h"
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#include "isoburn.h"
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// TODO this are libisofs internals, should then be imported here?
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#include "../libisofs/util.h"
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#include "../libisofs/ecma119.h"
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/* Vreixo:
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This is now all yours. My text here is only a snapshot
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@ -32,6 +28,57 @@
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*/
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#define BP(a,b) [(b) - (a) + 1]
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struct ecma119_pri_vol_desc
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{
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uint8_t vol_desc_type BP(1, 1);
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uint8_t std_identifier BP(2, 6);
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uint8_t vol_desc_version BP(7, 7);
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uint8_t unused1 BP(8, 8);
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uint8_t system_id BP(9, 40);
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uint8_t volume_id BP(41, 72);
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uint8_t unused2 BP(73, 80);
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uint8_t vol_space_size BP(81, 88);
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uint8_t unused3 BP(89, 120);
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uint8_t vol_set_size BP(121, 124);
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uint8_t vol_seq_number BP(125, 128);
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uint8_t block_size BP(129, 132);
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uint8_t path_table_size BP(133, 140);
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uint8_t l_path_table_pos BP(141, 144);
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uint8_t opt_l_path_table_pos BP(145, 148);
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uint8_t m_path_table_pos BP(149, 152);
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uint8_t opt_m_path_table_pos BP(153, 156);
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uint8_t root_dir_record BP(157, 190);
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uint8_t vol_set_id BP(191, 318);
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uint8_t publisher_id BP(319, 446);
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uint8_t data_prep_id BP(447, 574);
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uint8_t application_id BP(575, 702);
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uint8_t copyright_file_id BP(703, 739);
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uint8_t abstract_file_id BP(740, 776);
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uint8_t bibliographic_file_id BP(777, 813);
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uint8_t vol_creation_time BP(814, 830);
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uint8_t vol_modification_time BP(831, 847);
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uint8_t vol_expiration_time BP(848, 864);
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uint8_t vol_effective_time BP(865, 881);
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uint8_t file_structure_version BP(882, 882);
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uint8_t reserved1 BP(883, 883);
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uint8_t app_use BP(884, 1395);
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uint8_t reserved2 BP(1396, 2048);
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};
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static
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uint32_t iso_read_lsb(const uint8_t *buf, int bytes)
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{
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int i;
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uint32_t ret = 0;
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for (i=0; i<bytes; i++) {
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ret += ((uint32_t) buf[i]) << (i*8);
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}
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return ret;
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}
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/* API function. See libisoburn.h
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*/
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@ -148,14 +195,10 @@ int isoburn_start_emulation(struct isoburn *o, int flag)
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return 1;
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}
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// TODO why read is needed? can't I assume 64k are already cached?
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// TODO can I assume isoburn_start_emulation was already called and
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// disc contains a valid image?
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// TODO why "The result shall especially keep libisofs from accepting the
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// media image as ISO filesystem"?
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/** Reads, alters and writes the first 64 kB of a "media" to invalidate
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/** Alters and writes the first 64 kB of a "media" to invalidate
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an ISO image. (It shall stay restorable by skilled humans, though).
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The result shall especially keep libisofs from accepting the media
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The result shall especially keep libisoburn from accepting the media
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image as ISO filesystem.
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@param o A fully activated isoburn object. isoburn_start_emulation()
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was already called.
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