New -zisofs option by_magic=on
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2987704406
@ -2,7 +2,7 @@
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.\" First parameter, NAME, should be all caps
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.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
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.\" other parameters are allowed: see man(7), man(1)
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.TH XORRISO 1 "Apr 11, 2009"
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.TH XORRISO 1 "Apr 13, 2009"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.\" Some roff macros, for reference:
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@ -1808,7 +1808,11 @@ Parameters are:
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.br
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"block_size="32k|64k|128k size of compression blocks
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.br
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"default" same as "level=6:block_size=32k"
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"by_magic=on" enables an expensive test at image generation time which checks
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files from disk whether they already are zisofs compressed, e.g. by program
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mkzftree.
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.br
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"default" same as "level=6:block_size=32k:by_magic=off"
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.TP
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\fB\-speed\fR number[k|m|c|d|b]
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Set the burn speed. Default is 0 = maximum speed.
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@ -2692,7 +2696,7 @@ Personality "\fBmkisofs\fR" accepts the options listed with:
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-as mkisofs -help --
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.br
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Among them: -R (always on), -J, -o, -M, -C, -path-list, -m, -exclude-list,
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-f, -print-size, -pad, -no-pad, -V, -v, -version, -graft-points,
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-f, -print-size, -pad, -no-pad, -V, -v, -version, -graft-points, -z,
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-no-emul-boot, -b, -c, -boot-info-table, -boot-load-size, -input-charset,
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-output-charset, pathspecs as with xorriso -add.
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A lot of options are not supported and lead to failure of the mkisofs
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@ -4124,6 +4124,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
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m->filter_list_closed= 0;
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m->zlib_level_default= m->zlib_level= 6;
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m->zisofs_block_size= m->zisofs_block_size_default= (1 << 15);
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m->zisofs_by_magic= 0;
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m->do_overwrite= 2;
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m->do_reassure= 0;
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m->drive_blacklist= NULL;
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@ -9946,6 +9947,8 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
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" -no-emul-boot Boot image is 'no emulation' image",
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" -boot-info-table Patch boot image with info table",
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" isolinux_mbr=on|auto|off Control eventual isohybrid MBR generation",
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" -z, -transparent-compression",
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" Enable transparent compression of files",
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" -v, -verbose Verbose",
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" -version Print the current version",
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"@End_of_helptexT@"
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@ -10094,6 +10097,9 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
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Xorriso_option_acl(xorriso, "on", 0);
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} else if(strcmp(argv[i], "--xattr")==0) {
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Xorriso_option_xattr(xorriso, "on", 0);
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} else if(strcmp(argv[i], "-z")==0 ||
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strcmp(argv[i], "-transparent-compression")==0) {
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Xorriso_option_zisofs(xorriso, "by_magic=on", 0);
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} else
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was_other_option= 1;
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@ -10302,6 +10308,9 @@ not_enough_args:;
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/* was already handled in first argument scan */;
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} else if(strcmp(argv[i], "--xattr")==0) {
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/* was already handled in first argument scan */;
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} else if(strcmp(argv[i], "-z")==0 ||
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strcmp(argv[i], "-transparent-compression")==0) {
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/* was already handled in first argument scan */;
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} else if(argv[i][0]=='-' && argv[i][1]!=0) {
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sprintf(xorriso->info_text, "-as %s: Unknown option %s",
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whom, Text_shellsafe(argv[i], sfe, 0));
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@ -14321,7 +14330,7 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
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"compressed content is detected with a file in the ISO image.",
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" -zisofs option[:options]",
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" Set global zisofs parameters:",
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" level=0|...|9 , block_size=32k|64k|128k",
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" level=0|...|9 , block_size=32k|64k|128k , by_magic=on|off",
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"",
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"Write-to-media options:",
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" -rollback Discard the manipulated ISO image and reload it.",
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@ -14464,13 +14473,14 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
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"",
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"Compatibility emulation (argument list may be ended by list delimiter --):",
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" -as mkisofs [-help|-version|-o|-R|-J|-V|-P|-f|-m|-exclude-list|-no-pad|",
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" -M|-C|-graft-points|-path-list|pathspecs|",
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" -M|-C|-graft-points|-path-list|pathspecs|-z|",
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" -no-emul-boot|-b|-c|-boot-info-table|-boot-load-size]",
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" Perform some mkisofs gestures, understand pathspecs as mkisofs",
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" does. Commit happens outside emulation at usual occasions.",
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" -as cdrecord [-help|-v|dev=|speed=|blank=|fs=|-eject|-atip|padsize=|path|-]",
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" -as cdrecord [-help|-v|dev=|speed=|blank=|fs=|-eject|-atip|padsize=|-multi]",
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" path|-",
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" Perform some cdrecord gestures, eventually write at most one",
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" data track to blank or overwriteable media.",
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" data track to blank, appendable or overwriteable media.",
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" -pacifier \"xorriso\"|\"cdrecord\"|\"mkisofs\"",
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" Choose format of UPDATE pacifier during write operations.",
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"",
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@ -17094,9 +17104,16 @@ int Xorriso_option_zisofs(struct XorrisO *xorriso, char *mode, int flag)
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}
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xorriso->zisofs_block_size= num;
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} else if(strncmp(cpt, "by_magic=", 8)==0) {
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if(strncmp(cpt + 9, "on", l - 9) == 0)
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xorriso->zisofs_by_magic= 1;
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else
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xorriso->zisofs_by_magic= 0;
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} else if(strncmp(cpt, "default", l)==0) {
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xorriso->zlib_level= xorriso->zlib_level_default;
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xorriso->zisofs_block_size= xorriso->zisofs_block_size_default;
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xorriso->zisofs_by_magic= 0;
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} else {
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unknown_mode:;
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@ -134,6 +134,7 @@ struct XorrisO { /* the global context of xorriso */
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int zlib_level_default;
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int zisofs_block_size;
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int zisofs_block_size_default;
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int zisofs_by_magic;
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int do_overwrite; /* 0=off, 1=on, 2=nondir */
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int do_reassure; /* 0=off, 1=on, 2=tree */
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@ -1 +1 @@
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#define Xorriso_timestamP "2009.04.11.172644"
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#define Xorriso_timestamP "2009.04.14.092306"
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@ -1140,7 +1140,7 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
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struct burn_track **tracks;
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enum burn_disc_status s;
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IsoImage *image= NULL;
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IsoNode *node;
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IsoNode *node, *root_node;
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ElToritoBootImage *bootimg;
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enum eltorito_boot_media_type emul_type= ELTORITO_NO_EMUL;
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int profile_number;
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@ -1403,11 +1403,36 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
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if(ret<0)
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{ret= 0; goto ex;}
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if(xorriso->zisofs_by_magic) {
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sprintf(xorriso->info_text,
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"Checking disk file content for zisofs compression headers.");
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
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root_node= (IsoNode *) iso_image_get_root(image);
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ret= iso_node_zf_by_magic(root_node,
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(xorriso->out_drive_handle == xorriso->in_drive_handle) | 2 | 16);
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if(ret<0) {
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Xorriso_report_iso_error(xorriso, "", ret,
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"Error when examining file content for zisofs headers",
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0, "FAILURE", 1);
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}
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ret= Xorriso_eval_problem_status(xorriso, 1, 0);
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if(ret<0)
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{ret= 0; goto ex;}
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sprintf(xorriso->info_text,
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"Check for zisofs compression headers done.");
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
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}
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/* >>> omit iso_image_update_sizes if the image was filled up very quickly */;
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ret= iso_image_update_sizes(image);
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if(ret < 0) {
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Xorriso_process_msg_queues(xorriso, 0);
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if(ret<0) {
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Xorriso_report_iso_error(xorriso, "", ret,
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"Error when updating file sizes",
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0, "FAILURE", 1);
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}
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ret= Xorriso_eval_problem_status(xorriso, 1, 0);
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if(ret<0)
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{ret= 0; goto ex;}
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@ -10364,6 +10389,7 @@ int Xorriso_set_zisofs_params(struct XorrisO *xorriso, int flag)
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int Xorriso_status_zisofs(struct XorrisO *xorriso, char *filter, FILE *fp,
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int flag)
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/*
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bit0= do only report non-default settings
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bit1= do only report to fp
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*/
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{
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@ -10372,12 +10398,16 @@ int Xorriso_status_zisofs(struct XorrisO *xorriso, char *filter, FILE *fp,
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iso_zisofs_get_refcounts(&ziso_count, &osiz_count, 0);
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if((flag & 1) && xorriso->zlib_level == xorriso->zlib_level_default &&
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xorriso->zisofs_block_size == xorriso->zisofs_block_size_default &&
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ziso_count == 0 && osiz_count == 0)
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xorriso->zisofs_by_magic == 0 &&
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ziso_count == 0 && osiz_count == 0 &&
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filter[0] == 0)
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return 2;
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sprintf(xorriso->result_line,
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"-zisofs level=%d:block_size=%dk:ziso_used=%.f:osiz_used=%.f\n",
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xorriso->zlib_level, xorriso->zisofs_block_size / 1024,
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(double) ziso_count, (double) osiz_count);
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"-zisofs level=%d:block_size=%dk:by_magic=%s:ziso_used=%.f:osiz_used=%.f\n",
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xorriso->zlib_level, xorriso->zisofs_block_size / 1024,
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xorriso->zisofs_by_magic ? "on" : "off",
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(double) ziso_count, (double) osiz_count);
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Xorriso_status_result(xorriso, filter, fp, flag&2);
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return(1);
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}
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