Got rid of assert() in mmc.c by soft means
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cf8aacb27d
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@ -1 +1 @@
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#define Cdrskin_timestamP "2006.10.09.083438"
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#define Cdrskin_timestamP "2006.10.09.123518"
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@ -229,60 +229,107 @@ ts A61007
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------------------------------------------------------------------------------
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17) libburn/mmc.c: assert(o->drive == d);
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++ 17) libburn/mmc.c: assert(o->drive == d);
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mmc_close_disc():
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alias: struct burn_drive.close_disc()
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Parameters struct burn_drive and struct burn_write_opts do not match
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Called by -nobody- ?
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=> Disable unused function ?
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( => Disable unused function ? )
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=> removed redundant parameter struct burn_drive
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ts A61009
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------------------------------------------------------------------------------
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18) libburn/mmc.c: assert(o->drive == d);
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++ 18) libburn/mmc.c: assert(o->drive == d);
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mmc_close_session():
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Same as 17)
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alias: struct burn_drive.close_session()
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Called by -nobody- ?
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=> Disable unused function ?
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( => Disable unused function ? )
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=> removed redundant parameter struct burn_drive
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ts A61009
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------------------------------------------------------------------------------
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19) libburn/mmc.c: assert(buf->bytes >= buf->sectors); /* can be == at 0... */
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++ 19) libburn/mmc.c: assert(buf->bytes >= buf->sectors); /* can be == at 0... */
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mmc_write_12():
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- Unclear what .bytes and .sectors mean in struct buffer -
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Called by -nobody- ?
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=> Disable unused function ?
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=> problems with filling the write buffer have to be handled by callers
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=> delete assert
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ts A61009
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------------------------------------------------------------------------------
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20) libburn/mmc.c: assert(buf->bytes >= buf->sectors); /* can be == at 0... */
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++ 20) libburn/mmc.c: assert(buf->bytes >= buf->sectors); /* can be == at 0... */
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mmc_write():
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- Unclear what .bytes and .sectors mean in struct buffer -
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alias: struct burn_drive.write()
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libburn/mmc.c: c.page->sectors = errorblock - start + 1;
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mmc_read_sectors() by toc_find_modes() by mmc_read_toc() alias drive.read_toc()
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by burn_drive_grab()
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This seems to be unrelated to mmc_write().
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libburn/sector.c: out->sectors++;
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get_sector()
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Seems to hand out sector start pointer in opts->drive->buffer
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and to count reservation transactions as well as reserved bytes.
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Ensures out->bytes >= out->sectors
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libburn/mmc.c: c.page->bytes = s->count * 8;
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mmc_send_cue_sheet()
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Does not use mmc_write() but directly (sg_)issue_command()
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libburn/sector.c: out->bytes += seclen;
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get_sector()
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See above
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Ensures out->bytes >= out->sectors
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libburn/spc.c: c.page->bytes = 8 + 2 + d->mdata->retry_page_length;
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spc_select_error_params()
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Does not use mmc_write() but directly (sg_)issue_command()
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libburn/spc.c: c.page->bytes = 8 + 2 + d->mdata->write_page_length;
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spc_select_error_params()
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Does not use mmc_write() but directly (sg_)issue_command()
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libburn/spc.c: c.page->bytes = 8 + 2 + 0x32;
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spc_probe_write_modes()
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Does not use mmc_write() but directly (sg_)issue_command()
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alias struct burn_drive.write()
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Called by static get_sector, by many
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Called by burn_write_flush
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Called by burn_write_track
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=> ???
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=> problems with filling the write buffer have to be handled by callers
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=> delete assert
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ts A61009
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------------------------------------------------------------------------------
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21) libburn/mmc.c: assert(((dlen - 2) % 11) == 0);
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++ 21) libburn/mmc.c: assert(((dlen - 2) % 11) == 0);
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mmc_read_toc():
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- Is defunct -
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=> :)
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ts A61009
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------------------------------------------------------------------------------
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22) libburn/mmc.c: assert(len >= 0);
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++ 22) libburn/mmc.c: assert(len >= 0);
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mmc_read_sectors():
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Catches a bad parameter
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@ -294,9 +341,11 @@ Called by toc_find_modes(), problem cannot occur: mem.sectors = 1;
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(=> in burn_disc_read() check page.sectors before d->read_sectors() )
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=> :)
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ts A61009
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------------------------------------------------------------------------------
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23) libburn/mmc.c: assert(d->busy);
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++ 23) libburn/mmc.c: assert(d->busy);
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mmc_read_sectors():
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Catches use of a drive that is not marked as busy
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@ -307,6 +356,8 @@ Called by toc_find_modes(), does the same assert. To be solved there.
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: Severe Libburn Error
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=> :)
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ts A61009
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------------------------------------------------------------------------------
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++ 24) libburn/options.c: assert(0);
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@ -563,7 +614,7 @@ ts A61008
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------------------------------------------------------------------------------
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43) libburn/structure.c: assert(s->track != NULL);
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++ 43) libburn/structure.c: assert(s->track != NULL);
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API burn_session_remove_track()
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An application supplied pointer is NULL
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@ -1,6 +1,8 @@
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
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#include <assert.h>
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/* ts A61009 */
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/* #include <a ssert.h> */
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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@ -18,6 +20,12 @@
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#include "structure.h"
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#include "options.h"
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/* ts A61005 */
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#include "libdax_msgs.h"
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extern struct libdax_msgs *libdax_messenger;
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static unsigned char MMC_GET_TOC[] = { 0x43, 2, 2, 0, 0, 0, 0, 16, 0, 0 };
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static unsigned char MMC_GET_ATIP[] = { 0x43, 2, 4, 0, 0, 0, 0, 16, 0, 0 };
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static unsigned char MMC_GET_DISC_INFO[] =
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@ -99,19 +107,43 @@ int mmc_get_nwa(struct burn_drive *d)
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+ (data[14] << 8) + data[15];
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}
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void mmc_close_disc(struct burn_drive *d, struct burn_write_opts *o)
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/* ts A61009 : function is obviously unused. */
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/* void mmc_close_disc(struct burn_drive *d, struct burn_write_opts *o) */
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void mmc_close_disc(struct burn_write_opts *o)
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{
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struct burn_drive *d;
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mmc_function_spy("mmc_close_disc");
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assert(o->drive == d);
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libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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"HOW THAT ? mmc_close_disc() was called", 0, 0);
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/* ts A61009 : made impossible by removing redundant parameter d */
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/* a ssert(o->drive == d); */
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d = o->drive;
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o->multi = 0;
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spc_select_write_params(d, o);
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mmc_close(d, 1, 0);
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}
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void mmc_close_session(struct burn_drive *d, struct burn_write_opts *o)
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/* ts A61009 : function is obviously unused. */
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/* void mmc_close_session(struct burn_drive *d, struct burn_write_opts *o) */
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void mmc_close_session(struct burn_write_opts *o)
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{
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struct burn_drive *d;
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mmc_function_spy("mmc_close_session");
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assert(o->drive == d);
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libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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"HOW THAT ? mmc_close_session() was called", 0, 0);
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/* ts A61009 : made impossible by removing redundant parameter d */
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/* a ssert(o->drive == d); */
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d = o->drive;
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o->multi = 3;
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spc_select_write_params(d, o);
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mmc_close(d, 1, 0);
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@ -121,7 +153,12 @@ void mmc_close(struct burn_drive *d, int session, int track)
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{
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struct command c;
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mmc_function_spy("mmc_close_session");
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mmc_function_spy("mmc_close");
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libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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"HOW THAT ? mmc_close() was called", 0, 0);
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c.retry = 1;
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c.oplen = sizeof(MMC_CLOSE);
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memcpy(c.opcode, MMC_CLOSE, sizeof(MMC_CLOSE));
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@ -154,6 +191,7 @@ void mmc_get_event(struct burn_drive *d)
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c.page->data[5], c.page->data[6], c.page->data[7]);
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}
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void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf)
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{
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struct command c;
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@ -161,7 +199,10 @@ void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf)
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mmc_function_spy("mmc_write_12");
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len = buf->sectors;
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assert(buf->bytes >= buf->sectors); /* can be == at 0... */
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/* ts A61009 */
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/* a ssert(buf->bytes >= buf->sectors);*/ /* can be == at 0... */
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burn_print(100, "trying to write %d at %d\n", len, start);
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memcpy(c.opcode, MMC_WRITE_12, sizeof(MMC_WRITE_12));
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c.retry = 1;
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@ -195,7 +236,10 @@ int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
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return BE_CANCELLED;
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len = buf->sectors;
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assert(buf->bytes >= buf->sectors); /* can be == at 0... */
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/* ts A61009 : buffer fill problems are to be handled by caller */
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/* a ssert(buf->bytes >= buf->sectors);*/ /* can be == at 0... */
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burn_print(100, "trying to write %d at %d\n", len, start);
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memcpy(c.opcode, MMC_WRITE_10, sizeof(MMC_WRITE_10));
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c.retry = 1;
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@ -251,7 +295,8 @@ void mmc_read_toc(struct burn_drive *d)
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/*
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some drives fail this check.
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assert(((dlen - 2) % 11) == 0);
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ts A61007 : if re-enabled then not via Assert.
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a ssert(((dlen - 2) % 11) == 0);
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*/
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d->toc_entry = malloc(d->toc_entries * sizeof(struct burn_toc_entry));
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tdata = c.page->data + 4;
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@ -382,9 +427,14 @@ void mmc_read_sectors(struct burn_drive *d,
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struct command c;
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mmc_function_spy("mmc_read_sectors");
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assert(len >= 0);
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/* if the drive isn't busy, why the hell are we here? */
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assert(d->busy);
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/* ts A61009 : to be ensured by callers */
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/* a ssert(len >= 0); */
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/* if the drive isn't busy, why the hell are we here? */
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/* ts A61006 : i second that question */
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/* a ssert(d->busy); */
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burn_print(12, "reading %d from %d\n", len, start);
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memcpy(c.opcode, MMC_READ_CD, sizeof(MMC_READ_CD));
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c.retry = 1;
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@ -12,8 +12,13 @@ struct cue_sheet;
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/* MMC commands */
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void mmc_read(struct burn_drive *);
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void mmc_close_session(struct burn_drive *, struct burn_write_opts *);
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void mmc_close_disc(struct burn_drive *, struct burn_write_opts *);
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/* ts A61009 : removed redundant parameter d in favor of o->drive */
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/* void mmc_close_session(struct burn_drive *, struct burn_write_opts *); */
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/* void mmc_close_disc(struct burn_drive *, struct burn_write_opts *); */
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void mmc_close_session(struct burn_write_opts *o);
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void mmc_close_disc(struct burn_write_opts *o);
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void mmc_close(struct burn_drive *, int session, int track);
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void mmc_get_event(struct burn_drive *);
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int mmc_write(struct burn_drive *, int start, struct buffer *buf);
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@ -47,6 +47,9 @@ void burn_disc_read(struct burn_drive *d, const struct burn_read_opts *o)
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a ssert(d->toc->valid);
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a ssert(o->datafd != -1);
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/* moved up from spc_select_error_params alias d->send_parameters() */
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a ssert(d->mdata->valid);
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/* XXX not sure this is a good idea. copy it? */
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/* XXX also, we have duplicated data now, do we remove the fds from struct
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drive, or only store a subset of the _opts structs in drives */
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@ -56,6 +59,7 @@ drive, or only store a subset of the _opts structs in drives */
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d->set_speed(d, speed, 0);
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d->params.retries = o->hardware_error_retries;
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d->send_parameters(d, o);
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d->cancel = 0;
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@ -133,7 +137,10 @@ drive, or only store a subset of the _opts structs in drives */
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page.sectors = (finish < maxsects) ? finish : maxsects;
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printf("reading %d sectors from %d\n", page.sectors,
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drive_lba);
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d->read_sectors(d, drive_lba, page.sectors, o, &page);
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/* >>> ts A61009 : ensure page.sectors >= 0 before calling */
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d->r ead_sectors(d, drive_lba, page.sectors, o, &page);
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printf("Read %d\n", page.sectors);
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}
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#endif
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@ -148,6 +148,9 @@ static void get_bytes(struct burn_track *track, int count, unsigned char *data)
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return;
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memset(data + curr, 0, shortage);
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}
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/* ts A61009 : seems to hand out sector start pointer in opts->drive->buffer
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and to count hand outs as well as reserved bytes */
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static unsigned char *get_sector(struct burn_write_opts *opts, int inmode)
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{
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struct burn_drive *d = opts->drive;
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@ -160,7 +163,13 @@ static unsigned char *get_sector(struct burn_write_opts *opts, int inmode)
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if (outmode == 0)
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outmode = inmode;
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seclen = burn_sector_length(outmode) + burn_subcode_length(outmode);
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/* ts A61009 : react on eventual failure of burn_sector_length()
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(should not happen if API tested properly).
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Ensures out->bytes >= out->sectors */
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seclen = burn_sector_length(outmode);
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if (seclen <= 0)
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return NULL;
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seclen += burn_subcode_length(outmode);
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if (out->bytes + (seclen) >= BUFFER_SIZE) {
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int err;
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@ -161,9 +161,16 @@ struct burn_drive
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void (*sync_cache) (struct burn_drive *);
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int (*get_erase_progress) (struct burn_drive *);
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int (*get_nwa) (struct burn_drive *);
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void (*close_disc) (struct burn_drive * d, struct burn_write_opts * o);
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void (*close_session) (struct burn_drive * d,
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/* ts A61009 : removed d in favor of o->drive */
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/* void (*close_disc) (struct burn_drive * d,
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struct burn_write_opts * o);
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void (*close_session) (struct burn_drive * d,
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struct burn_write_opts * o);
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*/
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void (*close_disc) (struct burn_write_opts * o);
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void (*close_session) ( struct burn_write_opts * o);
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int (*test_unit_ready) (struct burn_drive * d);
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void (*probe_write_modes) (struct burn_drive * d);
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struct params params;
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