From 73a02c1a0734a6da630ff828ca51bb9d0ca1d311 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Fri, 4 Jul 2008 06:59:31 +0000
Subject: [PATCH] Supporting option -as cdrecord -waiti

---
 libisoburn/trunk/xorriso/xorriso.c           | 56 ++++++++++++++++++--
 libisoburn/trunk/xorriso/xorriso_timestamp.h |  2 +-
 2 files changed, 52 insertions(+), 6 deletions(-)

diff --git a/libisoburn/trunk/xorriso/xorriso.c b/libisoburn/trunk/xorriso/xorriso.c
index 75cb24ad..f4dff034 100644
--- a/libisoburn/trunk/xorriso/xorriso.c
+++ b/libisoburn/trunk/xorriso/xorriso.c
@@ -1388,6 +1388,30 @@ single_letters:;
 }
 
 
+int Wait_for_input(int fd, int microsec, int flag)
+{
+ struct timeval wt;
+ fd_set rds,wts,exs;
+ int ready;
+
+ FD_ZERO(&rds);
+ FD_ZERO(&wts);
+ FD_ZERO(&exs);
+ FD_SET(fd,&rds);
+ FD_SET(fd,&exs);
+ wt.tv_sec=  microsec/1000000;
+ wt.tv_usec= microsec%1000000;
+ ready= select(fd+1,&rds,&wts,&exs,&wt);
+ if(ready<=0)
+   return(0);
+ if(FD_ISSET(fd,&exs))
+   return(-1);
+ if(FD_ISSET(fd,&rds))
+   return(1);
+ return(0);
+}
+
+
 /* ------------------------------------------------------------------------ */
 
 
@@ -7030,7 +7054,7 @@ int Xorriso_cdrskin(struct XorrisO *xorriso, char *whom, int argc, char **argv,
 {
  int ret, i, k, mem_do_close, aq_ret, eject_ret;
  int do_atip= 0, do_checkdrive= 0, do_eject= 0, do_scanbus= 0;
- int do_toc= 0, do_verbous= 0, do_version= 0, do_help= 0;
+ int do_toc= 0, do_verbous= 0, do_version= 0, do_help= 0, do_waiti= 0;
  char track_source[SfileadrL], sfe[5*SfileadrL], dev_adr[SfileadrL], *cpt;
  char mem_report_about_text[80], *report_about= "SORRY", blank_mode[80];
  char speed[80];
@@ -7062,7 +7086,7 @@ int Xorriso_cdrskin(struct XorrisO *xorriso, char *whom, int argc, char **argv,
    "-scms", "-shorttrack", "-noshorttrack", "-packet", "-noclose",
    "-media-info", "-minfo",
    "-isosize", "-load", "-lock", "-raw96r", "-sao", "-dao", "-swab",
-   "-tao", "-waiti", "-force", "-format",
+   "-tao", "-force", "-format",
 
    "--adjust_speed_to_drive", "--allow_emulated_drives", "--allow_setuid",
    "--allow_untested_media", "--any_track", "--demand_a_drive", 
@@ -7091,6 +7115,7 @@ int Xorriso_cdrskin(struct XorrisO *xorriso, char *whom, int argc, char **argv,
 "\t-eject\t\teject the disk after doing the work",
 "\t-toc\t\tretrieve and print TOC/PMA data",
 "\t-atip\t\tretrieve media state, print \"Is *erasable\"",
+"\t-waiti\t\twait until input is available before opening SCSI",
 "\tpadsize=#\tAmount of padding",
 "\t-data\t\tSubsequent tracks are CD-ROM data mode 1 (default)",
 "\t-pad\t\tpadsize=30k",
@@ -7196,9 +7221,7 @@ no_volunteer:;
    } else if(strncmp(argv[i], "-dev=", 5)==0 ||
              strncmp(argv[i], "dev=", 4)==0) {
      cpt= strchr(argv[i], '=')+1;
-     ret= Xorriso_option_dev(xorriso, cpt, 2|8); /* overwriteables as blank */
-     if(ret<=0)
-       goto ex;
+     strcpy(dev_adr, cpt);
    } else if(strncmp(argv[i],"driveropts=", 11)==0 ||
              strncmp(argv[i],"-driveropts=", 12)==0) {
      if(strcmp(argv[i]+11, "help")==0) {
@@ -7265,6 +7288,8 @@ no_volunteer:;
      do_verbous+= 3;
    } else if(strcmp(argv[i], "-version")==0) {
      do_version= 1;
+   } else if(strcmp(argv[i], "-waiti")==0) {
+     do_waiti= 1;
    } else if(strcmp(argv[i], "-help")==0) {
      do_help= 1;
    } else if(argv[i][0]=='-' && argv[i][1]!=0) {
@@ -7295,6 +7320,26 @@ no_volunteer:;
    Xorriso_option_version(xorriso, 0);
    ret= 1; goto ex;
  }
+ if(do_waiti) {
+   sprintf(xorriso->info_text,
+       "xorriso: Option -waiti pauses program until input appears at stdin\n");
+   Xorriso_info(xorriso,0);
+   sprintf(xorriso->result_line, "Waiting for data on stdin...\n");
+   Xorriso_result(xorriso, 1);
+   for(ret= 0; ret==0; )
+     ret= Wait_for_input(0,1000000,0);
+   if(ret<0 || feof(stdin)) {
+     Xorriso_msgs_submit(xorriso, 0,
+                    "stdin produces exception rather than data", 0, "NOTE", 0);
+   }
+   sprintf(xorriso->info_text, "xorriso: Option -waiti pausing is done.\n");
+ }
+ if(dev_adr[0]) {
+   ret= Xorriso_option_dev(xorriso, dev_adr, 2|8); /* overwriteables as blank */
+   if(ret<=0)
+     goto ex;
+ }
+
  if(do_help) {
    for(i= 0; strcmp(helptext[i], "@End_of_helptexT@")!=0; i++) {
      sprintf(xorriso->info_text, "%s\n", helptext[i]);
@@ -7326,6 +7371,7 @@ no_volunteer:;
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
    ret= 0; goto ex;
  }
+
  if(speed[0]) {
    ret= Xorriso_option_speed(xorriso, speed, 0);
    if(ret<=0)
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 0f23bc99..51bab3bf 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.07.03.133023"
+#define Xorriso_timestamP "2008.07.04.070001"