Eat up leading dashes with command options, convert inner dashes to underscores

xorriso/xorriso.1

@@ -399,6 +399,9 @@ All command words are shown with a leading dash although this dash is not
 mandatory for the option to be recognized. There may be future emulation
 modes, where dashes may become mandatory in order to distinguish options
 from file addresses.
+.br
+Normally any number of leading dashes is ignored with command words and
+inner dashes are interpreted as underscores.
 .TP
 .B Aquiring source and target drive:
 .TP

xorriso/xorriso.c

@@ -9040,7 +9040,7 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "",
 "  -list_formats  Show media specific list of format descriptors.",
 "",
-"  -print-size    Print the foreseeable consumption by next -commit.",
+"  -print_size    Print the foreseeable consumption by next -commit.",
 "",
 "  -tell_media_space",
 "                 Print foreseeable available space on output media",
@@ -10198,7 +10198,7 @@ int Xorriso_option_print(struct XorrisO *xorriso, char *text, int flag)
 }
 
 
-/* Option -print-size
+/* Option -print_size
    @param flag bit0= report in mkisofs compatible form on real stdout
 */
 int Xorriso_option_print_size(struct XorrisO *xorriso, int flag)
@@ -10206,7 +10206,7 @@ int Xorriso_option_print_size(struct XorrisO *xorriso, int flag)
  int ret, fd;
 
  if(!xorriso->volset_change_pending) {
-   sprintf(xorriso->info_text,"-print-size: No image modifications pending");
+   sprintf(xorriso->info_text,"-print_size: No image modifications pending");
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
    sprintf(xorriso->result_line,"Image size   : 0s\n");
    Xorriso_result(xorriso,0);
@@ -10214,7 +10214,7 @@ int Xorriso_option_print_size(struct XorrisO *xorriso, int flag)
  }
  ret= Xorriso_write_session(xorriso, 1);
  if(ret<=0) {
-   sprintf(xorriso->info_text,"-print-size: Failed to set up virtual -commit");
+   sprintf(xorriso->info_text,"-print_size: Failed to set up virtual -commit");
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
    return(0);
  }
@@ -10897,6 +10897,41 @@ int Xorriso_option_volid(struct XorrisO *xorriso, char *volid, int flag)
 /* ---------------------------- End Options API ------------------------ */
 
 
+/* @return <0 error , >=0 number of skipped dashes
+*/
+int Xorriso_normalize_command(struct XorrisO *xorriso, char *original_cmd,
+                              int argno, char *cmd_data, int sizeof_cmd_data,
+                              char **cmd, int flag)
+{
+ int was_dashed= 0;
+ char *dash_pt;
+
+ if(strlen(original_cmd)>= sizeof_cmd_data) {
+   if(argno>=0)
+     sprintf(xorriso->info_text, "Oversized argument #%d (length %d)\n",
+             argno, (int) strlen(original_cmd));
+   else
+     sprintf(xorriso->info_text, "Oversized option (length %d)\n",
+             (int) strlen(original_cmd));
+   return(-1);
+ }
+ strcpy(cmd_data, original_cmd);
+ *cmd= cmd_data;
+ if(strcmp(*cmd, "--")==0)
+   return(1);
+ while((*cmd)[0]=='-') {
+   if((*cmd)[1]==0)
+ break;
+   was_dashed++;
+   (*cmd)++;
+ }
+ for(dash_pt= *cmd; *dash_pt!=0; dash_pt++)
+   if(*dash_pt=='-')
+     *dash_pt= '_';
+ return(1);
+}
+
+
 int Xorriso_interpreter(struct XorrisO *xorriso,
                         int argc, char **argv, int *idx, int flag)
 /*
@@ -10909,7 +10944,7 @@ return:
 {
  int ret, was_dashed, end_ret;
  int num1, num2;
- char *cmd, *arg1, *arg2;
+ char *cmd, *original_cmd, cmd_data[2*SfileadrL], *arg1, *arg2;
  
  if(xorriso==NULL)
    return(0);
@@ -10924,18 +10959,32 @@ next_command:;
  xorriso->request_to_abort= xorriso->request_not_to_ask= 0;
  Xorriso_set_problem_status(xorriso, "", 0);
  if((*idx)<argc)
-   cmd= argv[*idx];
+   original_cmd= cmd= argv[*idx];
  else
-   cmd= "";
+   original_cmd= cmd= "";
  if(xorriso->add_plainly==3 && cmd[0] && !xorriso->is_dialog) {
    (*idx)++;
    goto add_plain_argument;
  }
  was_dashed= 0;
+
+#ifdef NIX
+
  if(cmd[0]=='-' && cmd[1]!='-' && cmd[1]!=0) {
    was_dashed= 1;
    cmd++;
  }
+
+#else /* NIX */
+
+ ret= Xorriso_normalize_command(xorriso, original_cmd, -1,
+                                cmd_data, sizeof(cmd_data), &cmd, 0);
+ if(ret<0)
+   goto eval_any_problems;
+ was_dashed= ret;
+
+#endif /* ! NIX */
+
  (*idx)++;
 
  if((*idx)<argc)
@@ -11234,7 +11283,7 @@ next_command:;
    (*idx)++;
    ret= Xorriso_option_print(xorriso, arg1, 0);
 
- } else if(strcmp(cmd,"print-size")==0 || strcmp(cmd,"print_size")==0) {
+ } else if(strcmp(cmd,"print_size")==0) {
    Xorriso_option_print_size(xorriso, 0);
 
  } else if(strcmp(cmd,"prompt")==0) {
@@ -11357,10 +11406,8 @@ next_command:;
    if(xorriso->add_plainly>1)
      goto add_plain_argument;
 unknown_option:;
-   sprintf(xorriso->info_text,
-           "=== Not a known option:\n");
-   sprintf(xorriso->info_text+strlen(xorriso->info_text),
-           "===  '%s%s'\n",(was_dashed ? "-" : ""), cmd);
+   sprintf(xorriso->info_text, "=== Not a known option:\n ===  '%s'\n",
+           original_cmd);
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
    {ret= 0; goto eval_any_problems;}
 
@@ -11514,15 +11561,28 @@ int Xorriso_prescan_args(struct XorrisO *xorriso, int argc, char **argv,
 {
  int i, ret, was_dashed, num2;
  int was_report_about= 0, was_abort_on= 0, was_return_with= 0;
- char *cmd, *arg1, *arg2;
+ char *cmd, *original_cmd, cmd_data[5*SfileadrL], *arg1, *arg2;
 
  for(i=1+(flag&1);i<argc;i++) {
-   cmd= argv[i];
+   original_cmd= cmd= argv[i];
    was_dashed= 0;
+
+#ifdef NIX
+
    if(cmd[0]=='-' && cmd[1]!='-' && cmd[1]!=0) {
      was_dashed= 1;
      cmd++;
    }
+
+#else /* NIX */
+
+   was_dashed= Xorriso_normalize_command(xorriso, original_cmd, i,
+                                         cmd_data, sizeof(cmd_data), &cmd, 0);
+   if(was_dashed<0)
+     return(-1);
+
+#endif /* ! NIX */
+
    arg1= "";
    if(i+1<argc)
      arg1= argv[i+1];

xorriso/xorriso.h

@@ -386,7 +386,7 @@ int Xorriso_option_pkt_output(struct XorrisO *xorriso, char *mode, int flag);
 /* Option -print */
 int Xorriso_option_print(struct XorrisO *xorriso, char *text, int flag);
 
-/* Option -print-size
+/* Option -print_size
    @param flag bit0= report in mkisofs compatible form on real stdout
 */
 int Xorriso_option_print_size(struct XorrisO *xorriso, int flag);

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2008.05.13.180624"
+#define Xorriso_timestamP "2008.05.13.180912"