Adjustments and documentation about -backslash_codes

libisoburn/trunk/xorriso/xorriso.1

@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Oct 16, 2008"
+.TH XORRISO 1 "Oct 17, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -385,14 +385,30 @@ lists which are marked in this man page by "[***]" rather than "[...]".
 Some other commands perform pattern matching unconditionally.
 .PP
 Command and parameter words are either read from program arguments, where one
-argument is one word, or from input lines where words are recognized similar
+argument is one word, or from quoted input lines where words are recognized
-to the quotation rules of a shell parser.
+similar to the quotation rules of a shell parser.
 .br
 xorriso is not a shell, although it might appear so on first glimpse.
 Be aware that the interaction of quotation marks and pattern symbols like "*"
 differs from the usual shell parsers. In xorriso, a quotation mark does not
 make a pattern symbol literal.
 .PP
+.B Quoted input
+combines words from text pieces which are separated by whitespace.
+The double quotation mark " and the single quotation mark ' can be used to
+enclose whitespace and make it part of words (e.g. of file names). Each mark
+type can enclose the marks of the other type. A trailing backslash \\ outside
+quotations or an open quotation cause the next input line to be appended.
+.br
+Quoted input accepts any ASCII character except NUL (0) as content of quotes.
+Nevertheless it can be cumbersome for the user to produce those characters
+at all. Therefore quoted input and program arguments allow optional
+.B Backslash Interpretation
+which can represent all ASCII characters except NUL (0) by backslash codes
+as in $'...' of bash.
+.br
+It is not enabled by default. See option -backslash_codes.
+.PP
 When the program begins then it first looks for argument -no_rc. If this is
 not present then it looks for its startup files and
 eventually reads their content as command input lines. Then it interprets
@@ -666,11 +682,8 @@ or standard input if disk_path is "-".
 The list must contain exactly one pathspec resp. disk_path pattern per line. 
 .TP
 \fB\-quoted_path_list\fR disk_path
-Like -path_list but with line reading rules of -dialog mode "on".
+Like -path_list but with quoted input reading rules. Lines get split into
-I.e. newline characters within quotes and trailing backslashes outside quotes
+parameter words for -add. Whitespace outside quotes is discarded.
-cause the next line to be appended to the pathspec resp. disk_pattern.
-Eventual newline characters get part of the line, trailing backslashes get
-discarded. Lines get split into words. Whitespace outside quotes is discarded.
 .TP
 \fB\-map\fR disk_path iso_rr_path
 Insert file object disk_path into the ISO image as iso_rr_path. If disk_path
@@ -680,7 +693,7 @@ is a directory then its whole sub tree is inserted into the ISO image.
 Like -map, but if disk_path is a directory then its sub tree is not inserted.
 .TP
 \fB\-map_l\fR disk_prefix iso_rr_prefix disk_path [***]
-Performs -map with each of the disk_path arguments. iso_rr_path will be
+Perform -map with each of the disk_path arguments. iso_rr_path will be
 composed from disk_path by replacing disk_prefix by iso_rr_prefix.
 .TP
 \fB\-update\fR disk_path iso_rr_path
@@ -708,7 +721,7 @@ If iso_rr_path does not exist yet, then it gets added. If disk_path does not
 exist, then iso_rr_path gets deleted.
 .TP
 \fB\-update_l\fR disk_prefix iso_rr_prefix disk_path [***]
-Performs -update_r with each of the disk_path arguments. iso_rr_path will be
+Perform -update_r with each of the disk_path arguments. iso_rr_path will be
 composed from disk_path by replacing disk_prefix by iso_rr_prefix.
 .TP
 \fB\-cut_out\fR disk_path byte_offset byte_count iso_rr_path
@@ -1198,11 +1211,11 @@ disk leafnames. These patterns are evaluated when the exclusion checks are
 made.
 .TP
 \fB\-not_list\fR disk_path
-Read lines from disk_path and use them as -not_paths argument if they contain
+Read lines from disk_path and use each of them either as -not_paths argument,
-a / character. If not use the line as -not_leaf pattern.
+if they contain a / character, or as -not_leaf pattern.
 .TP
 \fB\-quoted_not_list\fR disk_path
-Like -not_list but with line reading rules of -dialog mode "on". Each word is
+Like -not_list but with quoted input reading rules. Each word is
 handled as one argument for -not_paths resp. -not_leaf.
 .TP
 \fB\-follow\fR occasion[:occasion[...]]
@@ -1305,7 +1318,7 @@ Rock Ridge info will be generated by the program unconditionally.
 If enabled by "on", generate Joliet info additional to Rock Ridge info.
 .TP
 \fB\-volid\fR text
-Specifies the volume ID. xorriso accepts any text up to 32 characters,
+Specify the volume ID. xorriso accepts any text up to 32 characters,
 but according to rarely obeyed specs stricter rules apply:
 .br
 ECMA 119 demands character set [A-Z0-9_]. Like: "IMAGE_23"
@@ -1406,7 +1419,7 @@ capability to influence the bootability of the existing sessions, unless one
 can assume overwriteable media.
 .TP
 \fB\-boot_image\fR "any"|"isolinux" "discard"|"keep"|"patch"|bootspec
-Defines the handling of an eventual El Torito object which has
+Define the handling of an eventual El Torito object which has
 been read from an existing ISO image or defines how to make a prepared
 ISOLINUX file set bootable.
 .br
@@ -1989,7 +2002,7 @@ Like -extract, but if iso_rr_path is a directory then its sub tree gets not
 restored.
 .TP
 \fB\-extract_l\fR iso_rr_prefix disk_prefix iso_rr_path [***]
-Performs -extract with each of the iso_rr_path arguments. disk_path will be
+Perform -extract with each of the iso_rr_path arguments. disk_path will be
 composed from iso_rr_path by replacing iso_rr_prefix by disk_prefix.
 .TP
 \fB\-extract_cut\fR iso_rr_path byte_offset byte_count disk_path
@@ -2050,7 +2063,7 @@ of commands which in said programs trigger comparable actions.
 .TP
 \fB\-as\fR personality option [options] --
 .br
-Performs its variable length option list as sparse emulation of the program
+Perform its variable length option list as sparse emulation of the program
 depicted by the personality word.
 .br
 
@@ -2162,7 +2175,7 @@ prevents reading and interpretation of eventual startup
 files. See section FILES below.
 .TP
 \fB\-options_from_file\fR fileaddress
-Reads lines from fileaddress and executes them as dialog lines.
+Read quoted input from fileaddress and executes it like dialog lines.
 .TP
 \fB\-help\fR
 .br
@@ -2200,8 +2213,8 @@ For brevity the list delimiter is referred as "--" throughout this text.
 .TP
 \fB\-backslash_codes\fR "on"|"off"|mode[:mode]
 Enable or disable the interpretation of symbolic representations of special
-characters with quoted input or with program arguments. If enabled the
+characters with quoted input, or with program arguments, or with program
-following translations apply:
+text output. If enabled the following translations apply:
 .br
  \\a=bell(007) \\b=backspace(008) \\e=Escape(033) \\f=formfeed(014)
 .br
@@ -2215,16 +2228,22 @@ Translations can occur with quoted input in 3 modes:
 .br
  "in_double_quotes" translates only inside " quotation.
 .br
- "outside_single_quotes" translates not inside ' quotation.
+ "in_quotes" translates inside " and ' quotation.
 .br
- "with_quoted_input" translates all input text.
+ "with_quoted_input" translates inside and outside quotes.
 .br
 With the start program arguments there is mode:
 .br
  "with_program_arguments" translates all program arguments.
 .br
+.br
+Mode "encode_output" encodes output characters inside single or double
+quotation marks. It combines "encode_results" with "encode_infos". Encoding
+applies to ASCII characters 1 to 31 and 127 to 255.
+.br
 Mode "off" is default and disables any translation.
-Mode "on" is the same as "with_quoted_input:with_program_arguments".
+Mode "on" is
+"with_quoted_input:with_program_arguments:encode_output".
 .TP
 \fB\-temp_mem_limit\fR number["k"|"m"]
 Set the maximum size of temporary memory to be used for image dependent

libisoburn/trunk/xorriso/xorriso.c

@@ -496,23 +496,6 @@ int Sfile_off_t_text(char text[80], off_t num, int flag)
 }
 
 
-int Sfile_destroy_argv(int *argc, char ***argv, int flag)
-{
- int i;
-
- if(*argc>0 && *argv!=NULL){
-   for(i=0;i<*argc;i++){
-     if((*argv)[i]!=NULL)
-       Smem_freE((*argv)[i]);
-   }
-   Smem_freE((char *) *argv);
- }
- *argc= 0;
- *argv= NULL;
- return(1);
-}
-
-
 /* Converts backslash codes into single characters:
     \a BEL 7 , \b BS 8 , \e ESC 27 , \f FF 12 , \n LF 10 , \r CR 13 ,
     \t  HT 9 , \v VT 11 , \\ \ 92 
@@ -637,6 +620,83 @@ ex:;
 }
 
 
+/* @param flag bit0= only encode inside quotes
+*/
+int Sfile_bsl_encoder(char **result, char *text, int flag)
+{
+ char *rpt, *wpt;
+ int count, sq_open= 0, dq_open= 0;
+
+ count= 0;
+ for(rpt= text; *rpt != 0; rpt++) {
+   count++;
+   if(*rpt >= 32 && *rpt <= 126 && *rpt != '\\')
+ continue;
+   if((*rpt >= 7 && *rpt <= 13) || *rpt == 27 || *rpt == '\\')
+     count++;
+   else
+     count+= 3;
+ }
+ (*result)= wpt= calloc(count + 1, 1);
+ if(wpt == NULL)
+   return(-1);
+ for(rpt= text; *rpt != 0; rpt++) {
+   if(*rpt == '\'')
+     sq_open= !(sq_open || dq_open);
+   if(*rpt == '"')
+     dq_open= !(sq_open || dq_open);
+   if((*rpt >= 32 && *rpt <= 126 && *rpt != '\\') ||
+      ((flag & 1) && !(sq_open || dq_open))) {
+     *(wpt++)= *rpt;
+ continue;
+   }
+   *(wpt++)= '\\';
+   if((*rpt >= 7 && *rpt <= 13) || *rpt == 27 || *rpt == '\\') {
+     if(*rpt == 7)
+       *(wpt++)= 'a';
+     else if(*rpt == 8)
+       *(wpt++)= 'b';
+     else if(*rpt == 9)
+       *(wpt++)= 't';
+     else if(*rpt == 10) {
+       *(wpt++)= 'n';
+     } else if(*rpt == 11)
+       *(wpt++)= 'v';
+     else if(*rpt == 12)
+       *(wpt++)= 'f';
+     else if(*rpt == 13)
+       *(wpt++)= 'c';
+     else if(*rpt == 27)
+       *(wpt++)= 'e';
+     else if(*rpt == '\\')
+       *(wpt++)= '\\';
+   } else {
+     sprintf(wpt, "%-3.3o", (unsigned int) *((unsigned char *) rpt));
+     wpt+= 3;
+   }
+ }
+ *wpt= 0;
+ return(1);
+}
+
+
+int Sfile_destroy_argv(int *argc, char ***argv, int flag)
+{
+ int i;
+
+ if(*argc>0 && *argv!=NULL){
+   for(i=0;i<*argc;i++){
+     if((*argv)[i]!=NULL)
+       Smem_freE((*argv)[i]);
+   }
+   Smem_freE((char *) *argv);
+ }
+ *argc= 0;
+ *argv= NULL;
+ return(1);
+}
+
+
 int Sfile_make_argv(char *progname, char *line, int *argc, char ***argv,
                     int flag)
 /*
@@ -691,7 +751,7 @@ int Sfile_make_argv(char *progname, char *line, int *argc, char ***argv,
          l= cpt-start; bufl= strlen(buf);
          if(l>0) {
            strncpy(buf + bufl, start, l); buf[bufl + l]= 0;
-           if(bsl_mode >= 2) {
+           if(bsl_mode >= 3) {
              ret= Sfile_bsl_interpreter(buf, l, &eaten, 0);
              if(ret <= 0)
                goto ex;
@@ -717,7 +777,7 @@ int Sfile_make_argv(char *progname, char *line, int *argc, char ***argv,
          l= cpt-start; bufl= strlen(buf);
          if(l>0) {
            strncpy(buf + bufl, start, l); buf[bufl + l]= 0;
-           if(bsl_mode >= 2) {
+           if(bsl_mode >= 3) {
              ret= Sfile_bsl_interpreter(buf, l, &eaten, 0);
              if(ret <= 0)
                goto ex;
@@ -731,7 +791,7 @@ int Sfile_make_argv(char *progname, char *line, int *argc, char ***argv,
          l= cpt-start; bufl= strlen(buf);
          if(l>0) {
            strncat(buf,start,l);buf[bufl+l]= 0;
-           if(bsl_mode >= 3) {
+           if(bsl_mode >= 2) {
              ret= Sfile_bsl_interpreter(buf + bufl, l, &eaten, 0);
              if(ret <= 0)
                goto ex;
@@ -745,7 +805,7 @@ int Sfile_make_argv(char *progname, char *line, int *argc, char ***argv,
      bufl= strlen(buf);
      if(l>0) {
        strncpy(buf + bufl, start, l); buf[bufl + l]= 0;
-       if(bsl_mode >= 2) {
+       if(bsl_mode >= 3) {
          ret= Sfile_bsl_interpreter(buf, l, &eaten, 0);
          if(ret <= 0)
            goto ex;
@@ -4175,14 +4235,15 @@ ask_for_page:;
 
 
 int Xorriso_write_to_channel(struct XorrisO *xorriso,
-                             char *text, int channel_no, int flag)
+                             char *in_text, int channel_no, int flag)
 /*
+ bit0= eventually backslash encode linefeeds
  bit1= text is the name of the log file for the given channel 
  bit2= text is the name of the consolidated packet log file for all channels 
 bit15= with bit1 or bit2: close depicted log file
 */
 {
- char *rpt,*npt;
+ char *rpt, *npt, *text;
  int ret= 1, info_redirected= 0, result_redirected= 0;
  char prefix[16];
  FILE *logfile_fp, *pktlog_fp;
@@ -4191,7 +4252,9 @@ bit15= with bit1 or bit2: close depicted log file
  static char channel_prefixes[4][4]= {".","R","I","M"};
 
  if(channel_no<0 || channel_no>=num_channels)
-   return(-1);
+   {ret= -1; goto ex;}
+
+ text= in_text; /* might change due to backslash encoding */
 
  /* Logfiles */
  logfile_fp= xorriso->logfile_fp[channel_no];
@@ -4211,11 +4274,11 @@ bit15= with bit1 or bit2: close depicted log file
    xorriso->pktlog_fp= pktlog_fp= NULL;
  }
  if(flag&(1<<15))
-   return(1);
+   {ret= 1; goto ex;}
  if((flag&2)) {
    xorriso->logfile_fp[channel_no]= logfile_fp= fopen(text,"a");
    if(logfile_fp==NULL)
-     return(0);
+     {ret= 0; goto ex;}
    fprintf(logfile_fp,
   "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! xorriso log : %s : %s\n",
            channel_prefixes[channel_no],Sfile_datestr(time(0),1|2|256));
@@ -4224,14 +4287,22 @@ bit15= with bit1 or bit2: close depicted log file
  if((flag&4)) {
    xorriso->pktlog_fp= pktlog_fp= fopen(text,"a");
    if(pktlog_fp==NULL)
-     return(0);
+     {ret= 0; goto ex;}
    fprintf(pktlog_fp,
   "I:1:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! xorriso log : . : %s\n",
            Sfile_datestr(time(0),1|2|256));
    fflush(pktlog_fp);
  }
  if(flag&(2|4))
-   return(1);
+   {ret= 1; goto ex;}
+
+ /* Eventually perform backslash encoding of non-printable characters */
+ if(((xorriso->bsl_interpretation & 32) && channel_no == 1) ||
+    ((xorriso->bsl_interpretation & 64) && channel_no == 2)) {
+   ret= Sfile_bsl_encoder(&text, text, 1);
+   if(ret <= 0)
+     {ret= -1; goto ex;}
+ }
 
  /* Eventually perform messag redirection */
  if(xorriso->msglist_stackfill > 0) {
@@ -4245,7 +4316,7 @@ bit15= with bit1 or bit2: close depicted log file
      msglist= xorriso->result_msglists[xorriso->msglist_stackfill - 1];
      ret= Xorriso_lst_append_binary(&msglist, text, strlen(text) + 1, 0);
      if(ret <= 0)
-       return(-1);
+       {ret= -1; goto ex;}
      if(xorriso->result_msglists[xorriso->msglist_stackfill - 1] == NULL)
        xorriso->result_msglists[xorriso->msglist_stackfill - 1]= msglist;
    }
@@ -4255,7 +4326,7 @@ bit15= with bit1 or bit2: close depicted log file
      msglist= xorriso->info_msglists[xorriso->msglist_stackfill - 1];
      ret= Xorriso_lst_append_binary(&msglist, text, strlen(text) + 1, 0);
      if(ret <= 0)
-       return(-1);
+       {ret= -1; goto ex;}
      if(xorriso->info_msglists[xorriso->msglist_stackfill - 1] == NULL)
        xorriso->info_msglists[xorriso->msglist_stackfill - 1]= msglist;
    }
@@ -4263,7 +4334,7 @@ bit15= with bit1 or bit2: close depicted log file
  if((channel_no == 1 && result_redirected) ||
     (channel_no == 2 && info_redirected) ||
     (result_redirected && info_redirected))
-   return(1);
+   {ret= 1; goto ex;}
 
  /* Non-redirected output */
  if(!xorriso->packet_output) {
@@ -4278,7 +4349,7 @@ bit15= with bit1 or bit2: close depicted log file
      fflush(logfile_fp);
    }
    if(pktlog_fp==NULL)
-     return(1);
+     {ret= 1; goto ex;}
  }
  rpt= text;
  sprintf(prefix,"%s:x: ",channel_prefixes[channel_no]);
@@ -4291,41 +4362,41 @@ bit15= with bit1 or bit2: close depicted log file
    if(xorriso->packet_output) {
      ret= fwrite(prefix,5,1,stdout);
      if(ret<=0)
-       return(0);
+       {ret= 0; goto ex;}
    }
    if(pktlog_fp!=NULL) {
      ret= fwrite(prefix,5,1,pktlog_fp);
      if(ret<=0)
-       return(0);
+       {ret= 0; goto ex;}
    }
    if(npt==NULL) {
      if(xorriso->packet_output) {
        ret= fwrite(rpt,strlen(rpt),1,stdout);
        if(ret<=0)
-         return(0);
+         {ret= 0; goto ex;}
        ret= fwrite("\n",1,1,stdout);
        if(ret<=0)
-         return(0);
+         {ret= 0; goto ex;}
      }
      if(pktlog_fp!=NULL) {
        ret= fwrite(rpt,strlen(rpt),1,pktlog_fp);
        if(ret<=0)
-         return(0);
+         {ret= 0; goto ex;}
        ret= fwrite("\n",1,1,pktlog_fp);
        if(ret<=0)
-         return(0);
+         {ret= 0; goto ex;}
      }
  break;
    } else {
      if(xorriso->packet_output) {
        ret= fwrite(rpt,npt+1-rpt,1,stdout);
        if(ret<=0)
-         return(0);
+         {ret= 0; goto ex;}
      }
      if(pktlog_fp!=NULL) {
        ret= fwrite(rpt,npt+1-rpt,1,pktlog_fp);
        if(ret<=0)
-         return(0);
+         {ret= 0; goto ex;}
      }
    }
    rpt= npt+1;
@@ -4334,7 +4405,11 @@ bit15= with bit1 or bit2: close depicted log file
    fflush(stdout);
  if(pktlog_fp!=NULL)
    fflush(pktlog_fp);
- return(1);
+ ret= 1;
+ex:
+ if(text != in_text && text != NULL)
+   free(text);
+ return(ret);
 }
 
 
@@ -5265,13 +5340,13 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
  strcpy(line, "-backslash_codes ");
  if(xorriso->bsl_interpretation == 0)
    strcat(line, "off");
- else if(xorriso->bsl_interpretation == (3 | 16))
+ else if(xorriso->bsl_interpretation == (3 | 16 | 32 | 64))
    strcat(line, "on");
  else {
    if((xorriso->bsl_interpretation & 3) == 1)
      strcat(line, "in_double_quotes");
    else if((xorriso->bsl_interpretation & 3) == 2)
-     strcat(line, "outside_single_quotes");
+     strcat(line, "in_quotes");
    else if((xorriso->bsl_interpretation & 3) == 3)
      strcat(line, "with_quoted_input");
    if(xorriso->bsl_interpretation & 16) {
@@ -5279,6 +5354,22 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
        strcat(line, ":"); 
      strcat(line, "with_program_arguments");
    }
+   if((xorriso->bsl_interpretation & (32 | 64)) == (32 | 64)) {
+     if(strlen(line) > 17)
+       strcat(line, ":"); 
+     strcat(line, "encode_output");
+   } else {
+     if(xorriso->bsl_interpretation & 32) {
+       if(strlen(line) > 17)
+         strcat(line, ":"); 
+       strcat(line, "encode_results");
+     }
+     if(xorriso->bsl_interpretation & 64) {
+       if(strlen(line) > 17)
+         strcat(line, ":"); 
+       strcat(line, "encode_infos");
+     }
+   }
  }
  strcat(line, "\n");
  if(!(is_default && no_defaults))
@@ -10211,14 +10302,20 @@ int Xorriso_option_backslash_codes(struct XorrisO *xorriso, char *mode,
      xorriso->bsl_interpretation= 0;
    } else if(l == 16 && strncmp(cpt, "in_double_quotes", l)==0) {
      xorriso->bsl_interpretation= (xorriso->bsl_interpretation & ~3) | 1;
-   } else if(l == 21 && strncmp(cpt, "outside_single_quotes", l)==0) {
+   } else if(l == 9 && strncmp(cpt, "in_quotes", l)==0) {
      xorriso->bsl_interpretation= (xorriso->bsl_interpretation & ~3) | 2;
    } else if(l == 17 && strncmp(cpt, "with_quoted_input", l)==0) {
      xorriso->bsl_interpretation= (xorriso->bsl_interpretation & ~3) | 3;
    } else if(l == 22 && strncmp(cpt, "with_program_arguments", l)==0) {
      xorriso->bsl_interpretation= xorriso->bsl_interpretation | 16;
+   } else if(l == 13 && strncmp(cpt, "encode_output", l)==0) {
+     xorriso->bsl_interpretation= xorriso->bsl_interpretation | 32 | 64;
+   } else if(l == 14 && strncmp(cpt, "encode_results", l)==0) {
+     xorriso->bsl_interpretation= xorriso->bsl_interpretation | 32;
+   } else if(l == 12 && strncmp(cpt, "encode_infos", l)==0) {
+     xorriso->bsl_interpretation= xorriso->bsl_interpretation | 64;
    } else if(l == 2 && strncmp(cpt, "on", l)==0) {
-     xorriso->bsl_interpretation= 3 | 16;
+     xorriso->bsl_interpretation= 3 | 16 | 32 | 64;
    } else {
      if(l<SfileadrL)
        sprintf(xorriso->info_text, "-backslash_codes: unknown mode '%s'", cpt);
@@ -12378,9 +12475,9 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "  -history text  Copy text into libreadline history. This command",
 "              itself is not copied to the history list.",
 #endif /* Xorriso_with_readlinE */
-"  -backslash_codes \"on\"|\"off\"|\"in_double_quotes\"|",
+"  -backslash_codes \"on\"|\"off\"|",
-"                   \"outside_single_quotes\"|\"with_quoted_input\"",
+"                   \"in_double_quotes\"|\"in_quotes\"|\"with_quoted_input\"",
-"                   [:\"with_program_arguments\"]",
+"                   [:\"with_program_arguments\"][:\"encode_output\"]",
 "              Disable or enable interpretation of \\a \\b \\e \\f \\n \\r \\t \\v",
 "              \\\\ \\NNN \\xNN \\cC in input or program arguments.",
 "  -pkt_output \"on\"|\"off\"  Direct output to stdout and prefix each line",
@@ -15279,7 +15376,6 @@ int Xorriso_prescan_args(struct XorrisO *xorriso, int argc, char **argv,
 {
  int i, ret, was_dashed, num2, arg_count;
  int was_report_about= 0, was_abort_on= 0, was_return_with= 0;
- int was_backslash_codes= 0;
  char *cmd, *original_cmd, cmd_data[5*SfileadrL], *arg1, *arg2;
  char mem_list_delimiter[81];
 
@@ -15368,12 +15464,6 @@ protect_stdout:;
      if(ret <= 0)
        goto ex;
 
-   } else if(strcmp(cmd,"backslash_codes")==0) {
-     i++;
-     if(!was_backslash_codes)
-       Xorriso_option_backslash_codes(xorriso, arg1, 0);
-     was_backslash_codes= 1;
-
    } else {
      ret= Xorriso_count_args(xorriso, argc-i, argv+i, &arg_count, 1);
      if(ret==1)

libisoburn/trunk/xorriso/xorriso_private.h

@@ -218,6 +218,8 @@ struct XorrisO { /* the global context of xorriso */
                           3= everywhere
                         bit2-3= reserved as future expansion of bit0-1
                         bit4= interpretation within program start arguments
+                        bit5= perform backslash encoding with results
+                        bit6= perform backslash encoding with info texts
                      */
 
  /* Pattern matching facility. It still carries legacy from scdbackup/askme.c

libisoburn/trunk/xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2008.10.17.074953"
+#define Xorriso_timestamP "2008.10.17.123308"