From beb31839222f859fb25388b406e56e84f7b58bd6 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sun, 15 Jun 2014 09:44:08 +0000
Subject: [PATCH] Stating license GPLv3+ if header of libreadline >= 6.x is
 included

---
 xorriso/opts_p_z.c          | 23 ++++++++++++++++++++---
 xorriso/text_io.c           | 18 ++++++++++++++++++
 xorriso/text_io.h           |  6 +++++-
 xorriso/xorriso_timestamp.h |  2 +-
 4 files changed, 44 insertions(+), 5 deletions(-)

diff --git a/xorriso/opts_p_z.c b/xorriso/opts_p_z.c
index 5398d354..c86deb27 100644
--- a/xorriso/opts_p_z.c
+++ b/xorriso/opts_p_z.c
@@ -1891,6 +1891,8 @@ int Xorriso_option_use_readline(struct XorrisO *xorriso, char *mode, int flag)
 /* Option -version */
 int Xorriso_option_version(struct XorrisO *xorriso, int flag)
 {
+ const char *license_text;
+
  sprintf(xorriso->result_line, "%sxorriso %d.%d.%d%s\n",
 #ifdef Xorriso_GNU_xorrisO
          "GNU ",
@@ -1918,14 +1920,29 @@ int Xorriso_option_version(struct XorrisO *xorriso, int flag)
  Xorriso_report_lib_versions(xorriso, 0);
 
 #ifdef Xorriso_GNU_xorrisO
- sprintf(xorriso->result_line,
-"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n");
+
+ license_text= "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.";
+ sprintf(xorriso->result_line, "%s\n", license_text);
  Xorriso_result(xorriso, 0);
  sprintf(xorriso->result_line,
 "This is free software: you are free to change and redistribute it.\n");
  Xorriso_result(xorriso, 0);
+
 #else
- sprintf(xorriso->result_line, "Provided under GNU GPL version 2 or later.\n");
+
+ license_text= "Provided under GNU GPL version 2 or later.";
+
+#ifdef Xorriso_with_readlinE
+ {
+   const char *readline_license;
+   readline_license= Xorriso__readline_license(0);
+   if(strcmp(readline_license, "GPLv3+") == 0)
+     license_text=
+      "Provided under GNU GPL version 3 or later, due to libreadline license.";
+ }
+#endif /* Xorriso_with_readlinE */
+
+ sprintf(xorriso->result_line, "%s\n", license_text);
  Xorriso_result(xorriso, 0);
 #endif /* ! Xorriso_GNU_xorrisO */
 
diff --git a/xorriso/text_io.c b/xorriso/text_io.c
index 1c89cfca..6eed1751 100644
--- a/xorriso/text_io.c
+++ b/xorriso/text_io.c
@@ -121,6 +121,24 @@ int Xorriso__shutdown_editline(int flag)
 
 #endif /* Xorriso_with_editlinE */
 
+#ifdef Xorriso_with_readlinE
+
+/* http://lists.gnu.org/archive/html/bug-readline/2014-06/msg00005.html */
+const char *Xorriso__readline_license(int flag)
+{
+#ifdef RL_VERSION_MAJOR
+#if RL_VERSION_MAJOR > 5
+
+ return("GPLv3+");
+
+#endif
+#endif
+
+ return("GPLv2+");
+}
+
+#endif /* Xorriso_with_readlinE */
+
 #ifdef Xorriso_with_line_editoR
 
 char *Xorriso_emul_readline(struct XorrisO *xorriso, int flag)
diff --git a/xorriso/text_io.h b/xorriso/text_io.h
index 48e96a6e..e4a7d820 100644
--- a/xorriso/text_io.h
+++ b/xorriso/text_io.h
@@ -1,7 +1,7 @@
 
 /* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
 
-   Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
+   Copyright 2007-2014 Thomas Schmitt, <scdbackup@gmx.net>
 
    Provided under GPL version 2 or later.
 
@@ -109,5 +109,9 @@ char *Xorriso_esc_filepath(struct XorrisO *xorriso,
 int Xorriso__shutdown_editline(int flag);
 #endif
 
+#ifdef Xorriso_with_readlinE
+const char *Xorriso__readline_license(int flag);
+#endif
+
 #endif /* ! Xorriso_pvt_textio_includeD */
 
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index d97ccc80..ced05786 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2014.06.15.090324"
+#define Xorriso_timestamP "2014.06.15.094311"