BZ #13792: License manual example source files under GPL.

44 files changed, 777 insertions, 32 deletions

diff --git a/ChangeLog b/ChangeLog
index 1fa12aaf8a..2ca5280064 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,53 @@
 2012-03-02  Roland McGrath  <roland@hack.frob.com>
 
 	[BZ #13792]
+	* manual/examples/README: New file, says the example source files
+	can be used under GPL>=2.
+	* manual/Makefile (%.c.texi): Eat the leading part of the file until a
+	line containing just "*/".
+	* manual/examples/add.c: Add copyright header (GPL>=2).
+	* manual/examples/argp-ex1.c: Likewise.
+	* manual/examples/argp-ex2.c: Likewise.
+	* manual/examples/argp-ex3.c: Likewise.
+	* manual/examples/argp-ex4.c: Likewise.
+	* manual/examples/atexit.c: Likewise.
+	* manual/examples/db.c: Likewise.
+	* manual/examples/dir.c: Likewise.
+	* manual/examples/dir2.c: Likewise.
+	* manual/examples/execinfo.c: Likewise.
+	* manual/examples/filecli.c: Likewise.
+	* manual/examples/filesrv.c: Likewise.
+	* manual/examples/fmtmsgexpl.c: Likewise.
+	* manual/examples/genpass.c: Likewise.
+	* manual/examples/inetcli.c: Likewise.
+	* manual/examples/inetsrv.c: Likewise.
+	* manual/examples/isockad.c: Likewise.
+	* manual/examples/longopt.c: Likewise.
+	* manual/examples/memopen.c: Likewise.
+	* manual/examples/memstrm.c: Likewise.
+	* manual/examples/mkfsock.c: Likewise.
+	* manual/examples/mkisock.c: Likewise.
+	* manual/examples/mygetpass.c: Likewise.
+	* manual/examples/pipe.c: Likewise.
+	* manual/examples/popen.c: Likewise.
+	* manual/examples/rprintf.c: Likewise.
+	* manual/examples/search.c: Likewise.
+	* manual/examples/select.c: Likewise.
+	* manual/examples/setjmp.c: Likewise.
+	* manual/examples/sigh1.c: Likewise.
+	* manual/examples/sigusr.c: Likewise.
+	* manual/examples/stpcpy.c: Likewise.
+	* manual/examples/strdupa.c: Likewise.
+	* manual/examples/strftim.c: Likewise.
+	* manual/examples/strncat.c: Likewise.
+	* manual/examples/subopt.c: Likewise.
+	* manual/examples/swapcontext.c: Likewise.
+	* manual/examples/termios.c: Likewise.
+	* manual/examples/testopt.c: Likewise.
+	* manual/examples/testpass.c: Likewise.
+	* manual/examples/timeval_subtract.c: Likewise.
+
+	[BZ #13792]
 	* manual/time.texi (Elapsed Time): Move timeval_subtract example
 	function to ...
 	* manual/timeval_subtract.c.texi: ... here, new file.
diff --git a/manual/Makefile b/manual/Makefile
index 0137afddd7..e291509a3a 100644
--- a/manual/Makefile
+++ b/manual/Makefile
@@ -122,7 +122,8 @@ stamp-version: $(common-objpfx)config.make
 
 # Generate Texinfo files from the C source for the example programs.
 %.c.texi: examples/%.c
-	sed -e 's,[{}],@&,g'				\
+	sed -e '1,/^\*\/$$/d'				\
+	    -e 's,[{}],@&,g'				\
 	    -e 's,/\*\(@.*\)\*/,\1,g'			\
 	    -e 's,/\*  *,/* @r{,g' -e 's,  *\*/,} */,'	\
 	    -e 's/\(@[a-z][a-z]*\)@{\([^}]*\)@}/\1{\2}/g'\
diff --git a/manual/examples/README b/manual/examples/README
new file mode 100644
index 0000000000..7d0070fdd5
--- /dev/null
+++ b/manual/examples/README
@@ -0,0 +1,8 @@
+These are source files for example code that appears in The GNU C
+Library Reference Manual.
+
+While the manual itself is licensed under the terms of the GNU Free
+Documentation License, you can use these source files on their own
+under the terms of the GNU General Public License as published by
+the Free Software Foundation; version 2 of the License, or (at your
+option) any later version.
diff --git a/manual/examples/add.c b/manual/examples/add.c
index e4b1bba365..d4b9af9c99 100644
--- a/manual/examples/add.c
+++ b/manual/examples/add.c
@@ -1,3 +1,20 @@
+/* Example of a Variadic Function
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <stdarg.h>
 #include <stdio.h>
 
diff --git a/manual/examples/argp-ex1.c b/manual/examples/argp-ex1.c
index 931a8264a5..01c3639218 100644
--- a/manual/examples/argp-ex1.c
+++ b/manual/examples/argp-ex1.c
@@ -1,4 +1,19 @@
-/* Argp example #1 -- a minimal program using argp */
+/* Argp example #1 -- a minimal program using argp
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
 
 /* This is (probably) the smallest possible program that
    uses argp.  It won't do much except give an error
diff --git a/manual/examples/argp-ex2.c b/manual/examples/argp-ex2.c
index 097ce7622c..0e038bbc90 100644
--- a/manual/examples/argp-ex2.c
+++ b/manual/examples/argp-ex2.c
@@ -1,4 +1,19 @@
-/* Argp example #2 -- a pretty minimal program using argp */
+/* Argp example #2 -- a pretty minimal program using argp
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
 
 /* This program doesn't use any options or arguments, but uses
    argp to be compliant with the GNU standard command line
diff --git a/manual/examples/argp-ex3.c b/manual/examples/argp-ex3.c
index d5896ee139..689d7cfdaa 100644
--- a/manual/examples/argp-ex3.c
+++ b/manual/examples/argp-ex3.c
@@ -1,4 +1,19 @@
-/* Argp example #3 -- a program with options and arguments using argp */
+/* Argp example #3 -- a program with options and arguments using argp
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
 
 /* This program uses the same features as example 2, and uses options and
    arguments.
diff --git a/manual/examples/argp-ex4.c b/manual/examples/argp-ex4.c
index 2b61358c7e..b946dd106b 100644
--- a/manual/examples/argp-ex4.c
+++ b/manual/examples/argp-ex4.c
@@ -1,4 +1,19 @@
-/* Argp example #4 -- a program with somewhat more complicated options */
+/* Argp example #4 -- a program with somewhat more complicated options
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
 
 /* This program uses the same features as example 3, but has more
    options, and somewhat more structure in the -help output.  It
diff --git a/manual/examples/atexit.c b/manual/examples/atexit.c
index 42bba71126..5f07c87511 100644
--- a/manual/examples/atexit.c
+++ b/manual/examples/atexit.c
@@ -1,7 +1,24 @@
+/* Cleanups on Exit
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <stdio.h>
 #include <stdlib.h>
 
-void 
+void
 bye (void)
 {
   puts ("Goodbye, cruel world....");
diff --git a/manual/examples/db.c b/manual/examples/db.c
index 1a1cb0c0d7..d6405e50d1 100644
--- a/manual/examples/db.c
+++ b/manual/examples/db.c
@@ -1,3 +1,20 @@
+/* User and Group Database Example
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <grp.h>
 #include <pwd.h>
 #include <sys/types.h>
diff --git a/manual/examples/dir.c b/manual/examples/dir.c
index 8ab77dc34c..9ca63fec0e 100644
--- a/manual/examples/dir.c
+++ b/manual/examples/dir.c
@@ -1,3 +1,20 @@
+/* Simple Program to List a Directory
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
 /*@group*/
 #include <stdio.h>
 #include <sys/types.h>
diff --git a/manual/examples/dir2.c b/manual/examples/dir2.c
index a75c885742..7f095c84d9 100644
--- a/manual/examples/dir2.c
+++ b/manual/examples/dir2.c
@@ -1,3 +1,20 @@
+/* Simple Program to List a Directory, Mark II
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
 /*@group*/
 #include <stdio.h>
 #include <dirent.h>
diff --git a/manual/examples/execinfo.c b/manual/examples/execinfo.c
index 5a04901957..18a3a29731 100644
--- a/manual/examples/execinfo.c