New -check_media option data_to="-" for standard output

xorriso/check_media.c

@@ -210,6 +210,7 @@ char *Spotlist__quality_name(int quality, char name[80], int bad_limit,
 {
  if(quality == Xorriso_read_quality_untesteD ||
    quality == Xorriso_read_quality_tao_enD ||
+   (quality == Xorriso_read_quality_md5_mismatcH && quality > bad_limit) ||
    quality == Xorriso_read_quality_off_tracK)
    strcpy(name, "0 ");
  else if(quality <= bad_limit)
@@ -603,7 +604,7 @@ int Checkmediajob_destroy(struct CheckmediajoB **o, int flag)
 {  
  if((*o) == NULL)
    return(0);
- if((*o)->data_to_fd != -1)
+ if((*o)->data_to_fd != -1 && strcmp((*o)->data_to_path, "-") == 0)
    close((*o)->data_to_fd);
  Sectorbitmap_destroy(&((*o)->sector_map), 0);
  free((char *) *o);
@@ -1081,8 +1082,12 @@ int Xorriso_open_job_data_to(struct XorrisO *xorriso,
 {
  if(job->data_to_path[0] == 0)
    return(2);
- job->data_to_fd= open(job->data_to_path, O_RDWR | O_CREAT | O_BINARY,
+ if(strcmp(job->data_to_path, "-") == 0) {
-                       S_IRUSR | S_IWUSR);
+   job->data_to_fd= 1;
+ } else {
+   job->data_to_fd= open(job->data_to_path, O_RDWR | O_CREAT | O_BINARY,
+                         S_IRUSR | S_IWUSR);
+ }
  if(job->data_to_fd == -1) {
    sprintf(xorriso->info_text, "Cannot open path ");
    Text_shellsafe(job->data_to_path, xorriso->info_text, 1);

xorriso/drive_mgt.c

@@ -3082,7 +3082,9 @@ abort_check:;
      }
      if(write_amount > 0) {
        if(job->data_to_fd >= 0) {
-         ret= lseek(job->data_to_fd,
+         ret= 0;
+         if(strcmp(job->data_to_path, "-") != 0)
+           ret= lseek(job->data_to_fd,
                  ((off_t) (i + from_lba)) * (off_t) 2048 + job->data_to_offset,
                  SEEK_SET);
          if(ret == -1) {
@@ -3426,7 +3428,7 @@ libburn_whole_disc:;
  ret= 1;
 ex:;
 
- if(job->data_to_fd != -1)
+ if(job->data_to_fd != -1 && strcmp(job->data_to_path, "-") != 0)
    close(job->data_to_fd);
  job->data_to_fd= -1;
  

xorriso/opts_a_c.c

@@ -1761,7 +1761,7 @@ int Xorriso_option_check_media(struct XorrisO *xorriso,
                                int argc, char **argv, int *idx, int flag)
 {
  int ret, i, count, lba, blocks, quality, pass, was_md5= 0, was_event= 0;
- int end_idx, old_idx, os_errno;
+ int end_idx, old_idx, os_errno, to_info= 0;
  char quality_name[80], *head_buffer= NULL;
  struct SpotlisT *spotlist= NULL;
  struct CheckmediajoB *job= NULL;
@@ -1781,6 +1781,7 @@ int Xorriso_option_check_media(struct XorrisO *xorriso,
  if(ret <= 0)
    goto ex;
 
+ to_info= (strcmp(job->data_to_path, "-") == 0);
  if((job->report_mode == 1 || job->report_mode == 2) && job->use_dev == 1) {
    sprintf(xorriso->info_text,
            "-check_media: cannot report=*files while use=outdef");
@@ -1793,6 +1794,12 @@ int Xorriso_option_check_media(struct XorrisO *xorriso,
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
    ret= 0; goto ex;
  }
+ if(job->patch_lba0 && to_info) {
+   sprintf(xorriso->info_text,
+           "-check_media: cannot apply patch_lba0= while data_to= is \"-\"");
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+   ret= 0; goto ex;
+ }
 
  if(job->use_dev == 2) {
    if(job->sector_map_path[0] == 0) {
@@ -1847,7 +1854,12 @@ int Xorriso_option_check_media(struct XorrisO *xorriso,
        sprintf(xorriso->result_line,
                "MD5 checks   :        lba ,       size , result\n");
      }
-     Xorriso_result(xorriso,0);
+     if(to_info) {
+       strcpy(xorriso->info_text, xorriso->result_line);
+       Xorriso_info(xorriso, 0);
+     } else {
+       Xorriso_result(xorriso, 0);
+     }
      count= Spotlist_count(spotlist, 0);
      for(i= 0; i < count; i++) {
        ret= Spotlist_get_item(spotlist, i, &lba, &blocks, &quality, 0);
@@ -1871,7 +1883,12 @@ int Xorriso_option_check_media(struct XorrisO *xorriso,
                pass == 0 ? "Media region " : "MD5 tag range",
                lba, blocks, Spotlist__quality_name(quality, quality_name,
                                            xorriso->check_media_bad_limit, 0));
-       Xorriso_result(xorriso,0);
+       if(to_info) {
+         strcpy(xorriso->info_text, xorriso->result_line);
+         Xorriso_info(xorriso, 0);
+       } else {
+         Xorriso_result(xorriso, 0);
+       }
      }
    }
  }

xorriso/xorriso.1

@@ -9,7 +9,7 @@
 .\" 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 "Version 1.5.3, Sep 11, 2020"
+.TH XORRISO 1 "Version 1.5.3, Sep 30, 2020"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -4754,7 +4754,18 @@ gives the number of report list items after which to abort.
 Value \-1 means unlimited item number.
 .br
 \fBdata_to=disk_path\fR
-copies the valid blocks to the given file.
+copies the valid blocks to the given file, which must support random access
+writing, unless disk_path is "\-" which means standard output.
+.br
+In the latter case, patch_lba0= settings other than "off" yield failure.
+Further the usual result messages of \-check_media get redirected to the info
+channel. But beware of result messages from other commands. Beware of \-*dev "\-"
+which redirect standard output to standard error. Keep the run simple:
+.br
+  xorriso \-indev /dev/sr0 \-check_media data_to=\- \-\- | md5sum
+.br
+  xorriso \-outdev /dev/sr0 \-check_media data_to=\- use=outdev \\
+          what=disc min_lba=0 max_lba=999999 \-\- | sha256sum
 .br
 \fBevent=severity\fR
 sets the given severity for a problem event which shall be issued at

xorriso/xorriso.info

@@ -3989,7 +3989,18 @@ transmission errors.
           gives the number of report list items after which to abort.
           Value -1 means unlimited item number.
      data_to=disk_path
-          copies the valid blocks to the given file.
+          copies the valid blocks to the given file, which must support
+          random access writing, unless disk_path is "-" which means
+          standard output.
+          In the latter case, patch_lba0= settings other than "off"
+          yield failure.  Further the usual result messages of
+          -check_media get redirected to the info channel.  But beware
+          of result messages from other commands.  Beware of -*dev "-"
+          which redirect standard output to standard error.  Keep the
+          run simple:
+          xorriso -indev /dev/sr0 -check_media data_to=- - | md5sum
+          xorriso -outdev /dev/sr0 -check_media data_to=- use=outdev \
+          what=disc min_lba=0 max_lba=999999 - | sha256sum
      event=severity
           sets the given severity for a problem event which shall be
           issued at the end of a check run if data blocks were
@@ -5419,8 +5430,8 @@ File: xorriso.info,  Node: CommandIdx,  Next: ConceptIdx,  Prev: Legal,  Up: Top
 * -cdx sets working directory on disk:   Navigate.            (line  15)
 * -changes_pending overrides change status: Writing.          (line  12)
 * -charset sets input/output character set: Charset.          (line  54)
-* -check_md5 verifies file checksum:     Verify.              (line 173)
+* -check_md5 verifies file checksum:     Verify.              (line 184)
-* -check_md5_r verifies file tree checksums: Verify.          (line 187)
+* -check_md5_r verifies file tree checksums: Verify.          (line 198)
 * -check_media reads media block by block: Verify.            (line  21)
 * -check_media_defaults sets -check_media options: Verify.    (line  40)
 * -chgrp sets group in ISO image:        Manip.               (line  49)
@@ -5923,8 +5934,8 @@ File: xorriso.info,  Node: ConceptIdx,  Prev: CommandIdx,  Up: Top
 * Verify, compare ISO and disk file, -compare: Navigate.      (line 131)
 * Verify, compare ISO and disk tree, -compare_r: Navigate.    (line 143)
 * Verify, compare ISO and disk, -compare_l: Navigate.         (line 147)
-* Verify, file checksum, -check_md5:     Verify.              (line 173)
+* Verify, file checksum, -check_md5:     Verify.              (line 184)
-* Verify, file tree checksums, -check_md5_r: Verify.          (line 187)
+* Verify, file tree checksums, -check_md5_r: Verify.          (line 198)
 * Verify, preset -check_media, -check_media_defaults: Verify. (line  40)
 * Write, block size, -dvd_obs:           SetWrite.            (line 336)
 * Write, bootability, -boot_image:       Bootable.            (line  75)
@@ -5985,33 +5996,33 @@ Node: DialogCtl190767
 Node: Inquiry193369
 Node: Navigate202251
 Node: Verify210708
-Node: Restore221179
+Node: Restore221857
-Node: Emulation230345
+Node: Emulation231023
-Node: Scripting240801
+Node: Scripting241479
-Node: Frontend248584
+Node: Frontend249262
-Node: Examples258210
+Node: Examples258888
-Node: ExDevices259388
+Node: ExDevices260066
-Node: ExCreate260049
+Node: ExCreate260727
-Node: ExDialog261349
+Node: ExDialog262027
-Node: ExGrowing262620
+Node: ExGrowing263298
-Node: ExModifying263429
+Node: ExModifying264107
-Node: ExBootable263939
+Node: ExBootable264617
-Node: ExCharset264494
+Node: ExCharset265172
-Node: ExPseudo265390
+Node: ExPseudo266068
-Node: ExCdrecord266317
+Node: ExCdrecord266995
-Node: ExMkisofs266637
+Node: ExMkisofs267315
-Node: ExGrowisofs268534
+Node: ExGrowisofs269212
-Node: ExException269687
+Node: ExException270365
-Node: ExTime270145
+Node: ExTime270823
-Node: ExIncBackup270603
+Node: ExIncBackup271281
-Node: ExRestore274629
+Node: ExRestore275307
-Node: ExRecovery275575
+Node: ExRecovery276253
-Node: Files276147
+Node: Files276825
-Node: Environ277481
+Node: Environ278159
-Node: Seealso278229
+Node: Seealso278907
-Node: Bugreport278946
+Node: Bugreport279624
-Node: Legal279537
+Node: Legal280215
-Node: CommandIdx280549
+Node: CommandIdx281227
-Node: ConceptIdx298165
+Node: ConceptIdx298843
 
 End Tag Table

xorriso/xorriso.texi

@@ -50,7 +50,7 @@
 @c man .\" First parameter, NAME, should be all caps
 @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 @c man .\" other parameters are allowed: see man(7), man(1)
-@c man .TH XORRISO 1 "Version 1.5.3, Sep 11, 2020"
+@c man .TH XORRISO 1 "Version 1.5.3, Sep 30, 2020"
 @c man .\" Please adjust this date whenever revising the manpage.
 @c man .\"
 @c man .\" Some roff macros, for reference:
@@ -5477,7 +5477,18 @@ gives the number of report list items after which to abort.
 Value -1 means unlimited item number.
 @*
 @item data_to=disk_path
-copies the valid blocks to the given file.
+copies the valid blocks to the given file, which must support random access
+writing, unless disk_path is "-" which means standard output.
+@*
+In the latter case, patch_lba0= settings other than "off" yield failure.
+Further the usual result messages of -check_media get redirected to the info
+channel. But beware of result messages from other commands. Beware of -*dev "-"
+which redirect standard output to standard error. Keep the run simple:
+@*
+  xorriso -indev /dev/sr0 -check_media data_to=- -- | md5sum
+@*
+  xorriso -outdev /dev/sr0 -check_media data_to=- use=outdev \
+          what=disc min_lba=0 max_lba=999999 -- | sha256sum
 @*
 @item event=severity
 sets the given severity for a problem event which shall be issued at

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2020.08.26.142853"
+#define Xorriso_timestamP "2020.09.30.190728"