New option -local_charset

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 25, 2008"
+.TH XORRISO 1 "Nov 07, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -1513,9 +1513,9 @@ The meanings of byte codes are defined in \fBcharacter sets\fR which have
 names. Shell command iconv -l lists them. 
 .br
 Character sets should not matter as long as only alphanumeric characters are
-used for file names or as long as the computer which runs xorriso uses the
+used for file names or as long as the shell session which runs xorriso uses the
-same character set as the computer which wrote the loaded image and those
+same character set as the one which wrote the loaded image and the same
-computers which shall read the newly emerging ISO image.
+character set as the computers which shall read the newly emerging ISO image.
 Outside these constraints it may be necessary to let xorriso convert byte
 codes.
 .br
@@ -1525,13 +1525,23 @@ character set to the output character set is performed when a new
 image tree gets written. The sets can be defined independently by options
 -in_charset and -out_charset. Normally one will have both identical, if ever.
 .br
-xorriso expects and uses the local character set for command arguments
+If conversions are desired then it is necessary to know the name of the
-and file name output. Other character sets will only be in effect on media.
+local character set. xorriso can inquire the same info as shell command
+"locale" with argument "charmap". This may or may not be the correct name.
+So one should check.
+.br
+A typical wrong answer would be "ANSI_X3.4-1968" if your shell session supports
+non-US-ASCII characters.
+It is outside the scope of xorriso how to find out the correct name in such
+a case. The author of this text uses -local_charset "ISO-8859-1".
 .TP
 \fB\-charset\fR character_set_name
 Set the character set from which to convert file names when loading an
 image and to which to convert when writing an image.
 .TP
+\fB\-local_charset\fR character_set_name
+Override the system assumption of the local character set name.
+.TP
 .B Exception processing:
 .PP
 Since the tasks of xorriso are manifold and prone to external influence, there

xorriso/xorriso.c

@@ -5353,7 +5353,7 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
 {
  int is_default, no_defaults, i, ret, adr_mode, bin_path_in_use= 0, do_single;
  char *line, sfe[5 * SfileadrL + 80], mode[80], *form, *treatment;
- char *in_pt, *out_pt;
+ char *in_pt, *out_pt, *nl_charset, *local_charset;
  static char channel_prefixes[4][4]= {".","R","I","M"};
  static char load_names[][20]= {"auto", "session", "track", "lba", "volid"};
  static int max_load_mode= 4;
@@ -5844,6 +5844,13 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
  if(!(is_default && no_defaults))
    Xorriso_status_result(xorriso,filter,fp,flag&2);
 
+ Xorriso_get_local_charset(xorriso, &local_charset, 0);
+ nl_charset= nl_langinfo(CODESET);
+ is_default= (strcmp(local_charset, nl_charset) == 0);
+ sprintf(line, "-local_charset %s\n", Text_shellsafe(local_charset, sfe, 0));
+ if(!(is_default && no_defaults))
+   Xorriso_status_result(xorriso, filter, fp, flag & 2);
+
  is_default= (xorriso->out_charset == NULL && xorriso->in_charset == NULL);
  in_pt= "";
  if(xorriso->in_charset != NULL)
@@ -10844,21 +10851,29 @@ int Xorriso_option_cdx(struct XorrisO *xorriso, char *disk_path, int flag)
 /* Option -charset */
 /* @param flag bit0= set in_charset
                bit1= set out_charset
+               bit2= set local_charset
 */
 int Xorriso_option_charset(struct XorrisO *xorriso, char *name, int flag)
 {
- char *name_pt= NULL, sfe[5 * SfileadrL];
+ int ret;
+ char *name_pt= NULL, sfe[5 * SfileadrL], *local_charset;
  iconv_t iconv_ret= (iconv_t) -1;
 
  if(name != NULL)
    if(name[0] != 0)
      name_pt= name;
+ if(flag & 4) {
+   ret= Xorriso_set_local_charset(xorriso, name_pt, 0);
+   if(ret <= 0)
+     return(ret);
+ }
  if(flag & 1) {
    if(name_pt != NULL) {
-     iconv_ret= iconv_open(nl_langinfo(CODESET), name_pt);
+     Xorriso_get_local_charset(xorriso, &local_charset, 0);
+     iconv_ret= iconv_open(local_charset, name_pt);
      if(iconv_ret == (iconv_t) -1) {
        sprintf(xorriso->info_text,
-               "-%scharset: Cannot convert from charset %s",
+               "-%scharset: Cannot convert from character set %s",
                flag & 2 ? "" : "in_", Text_shellsafe(name_pt, sfe, 0));
        Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE",
                            0);
@@ -10873,7 +10888,8 @@ int Xorriso_option_charset(struct XorrisO *xorriso, char *name, int flag)
  }
  if(flag & 2) {
    if(name_pt != NULL) {
-     iconv_ret= iconv_open(nl_langinfo(CODESET), name_pt);
+     Xorriso_get_local_charset(xorriso, &local_charset, 0);
+     iconv_ret= iconv_open(local_charset, name_pt);
      if(iconv_ret == (iconv_t) -1) {
        sprintf(xorriso->info_text, "-%scharset: Cannot convert to charset %s",
                flag & 1 ? "" : "out_", Text_shellsafe(name_pt, sfe, 0));
@@ -10888,13 +10904,14 @@ int Xorriso_option_charset(struct XorrisO *xorriso, char *name, int flag)
      return(-1);
    }
  }
-
+ if(flag & 3) {
- if(name_pt == NULL)
+   if(name_pt == NULL)
-   name_pt= nl_langinfo(CODESET);
+     Xorriso_get_local_charset(xorriso, &name_pt, 0);
- sprintf(xorriso->info_text, "Character set for %sconversion is now: %s",
+   sprintf(xorriso->info_text, "Character set for %sconversion is now: %s",
-         (flag & 3) == 1 ? "input " : (flag & 3) == 2 ? "output " : "",
+           (flag & 3) == 1 ? "input " : (flag & 3) == 2 ? "output " : "",
-         Text_shellsafe(name_pt, sfe, 0));
+           Text_shellsafe(name_pt, sfe, 0));
- Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "NOTE", 0);
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
+ }
  return(1);
 }
 
@@ -12411,12 +12428,14 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "  -rom_toc_scan \"on\"|\"off\"[:\"emul_on\"|\"emul_off\"]",
 "                 Enable scanning for ISO sessions on read-only drives/media",
 "                 resp. on overwriteable media with emulated TOC.",
-"  -charset name  Set the character set name to be use for file name",
+"  -charset name  Set the character set name to be used for file name",
 "                 conversion from and to media.",
 "  -in_charset name",
 "                 Like -charset but only for conversion from media.",
 "  -out_charset name",
 "                 Like -charset but only for conversion to media.",
+"  -local_charset name",
+"                 Override system assumption of the local character set name.",
 "  -ban_stdio_write",
 "                 Allow for writing only the usage of optical drives.",
 "  -blank \"fast\"|\"all\"|\"deformat\"|\"deformat_quickest\"",
@@ -14815,7 +14834,7 @@ int Xorriso_count_args(struct XorrisO *xorriso, int argc, char **argv,
     "cd","cdi","cdx","charset","close","commit_eject",
     "dev", "dummy","dialog","disk_pattern","eject","iso_rr_pattern","follow",
     "format","fs","gid","grow_blindly",
-    "history","indev","in_charset","joliet","list_delimiter",
+    "history","indev","in_charset","joliet","list_delimiter","local_charset",
     "mark","not_leaf","not_list","not_mgt",
     "options_from_file","osirrox","outdev","out_charset","overwrite",
     "pacifier","padding","path_list","pathspecs","pkt_output","print","prompt",
@@ -15223,6 +15242,10 @@ next_command:;
    (*idx)+= 2;
    ret= Xorriso_option_load(xorriso, arg1, arg2, 0);
    
+ } else if(strcmp(cmd,"local_charset")==0) {
+   (*idx)++;
+   ret= Xorriso_option_charset(xorriso, arg1, 4);
+
  } else if(strcmp(cmd,"logfile")==0) {
    (*idx)+= 2;
    ret= Xorriso_option_logfile(xorriso, arg1, arg2, 0);

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2008.11.04.162214"
+#define Xorriso_timestamP "2008.11.06.183736"

xorriso/xorrisoburn.c

@@ -21,6 +21,9 @@
 #include <fcntl.h>
 #include <utime.h>
 
+/* for -charset */
+#include <iconv.h>
+#include <langinfo.h>
 
 
 /* ------------------------------------------------------------------------ */
@@ -3855,6 +3858,7 @@ int Xorriso_toc_line(struct XorrisO *xorriso, int flag)
 
 
 /* @param flag bit0= no output if no boot record was found
+               bit1= short form
                bit3= report to info channel (else to result channel)
 */
 int Xorriso_show_boot_info(struct XorrisO *xorriso, int flag)
@@ -3932,6 +3936,8 @@ no_boot:;
  }
  strcat(respt, "\n");
  Xorriso_toc_line(xorriso, flag & 8);
+ if(flag & 2)
+   return(1);
  if(bin_path_valid)
    sprintf(respt, "Boot bin_path: %s\n", Text_shellsafe(path, sfe, 0));
  else if(xorriso->loaded_boot_bin_lba <= 0)
@@ -4043,7 +4049,7 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
    return(1);
 
  if(!(flag & 2))
-   Xorriso_show_boot_info(xorriso, 1 | (flag & 8));
+   Xorriso_show_boot_info(xorriso, 1 | (flag & 8) | ((flag & 1) << 1));
 
  disc= isoburn_toc_drive_get_disc(drive);
  if(flag & 4)
@@ -8126,3 +8132,43 @@ int Xorriso_extract_cut(struct XorrisO *xorriso,
  return(1);
 }
 
+
+int Xorriso_get_local_charset(struct XorrisO *xorriso, char **name, int flag)
+{
+ (*name)= iso_get_local_charset(0);
+ return(1);
+}
+
+
+int Xorriso_set_local_charset(struct XorrisO *xorriso, char *name, int flag)
+{
+ int ret;
+ char *nl_charset, sfe[5 * SfileadrL];
+ iconv_t iconv_ret= (iconv_t) -1;
+
+ nl_charset= nl_langinfo(CODESET);
+ if(name == NULL)
+   name= nl_charset;
+
+ if(name != NULL) {
+   iconv_ret= iconv_open(nl_charset, name);
+   if(iconv_ret == (iconv_t) -1)
+     goto cannot;
+   else
+     iconv_close(iconv_ret);
+ }
+ ret= iso_set_local_charset(name, 0);
+ if(ret <= 0) {
+cannot:;
+   sprintf(xorriso->info_text,
+           "-local_charset: Cannot assume as local character set: %s",
+           Text_shellsafe(name, sfe, 0));
+   return(0);
+ }
+ sprintf(xorriso->info_text, "Local character set is now assumed as: %s",
+         Text_shellsafe(name, sfe, 0));
+ Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "NOTE", 0);
+ return(1);
+}
+
+

xorriso/xorrisoburn.h

@@ -300,6 +300,11 @@ int Xorriso_update_iso_lba0(struct XorrisO *xorriso, int iso_lba, int isosize,
                             char *head_buffer, struct CheckmediajoB *job,
                             int flag);
 
+int Xorriso_get_local_charset(struct XorrisO *xorriso, char **name, int flag);
+
+int Xorriso_set_local_charset(struct XorrisO *xorriso, char *name, int flag);
+
+
 
 struct CheckmediajoB {
  int use_dev;        /* 0= use indev , 1= use outdev , 2= use sector map*/