Add some copyright headers.

* lib/dev-ino.h: Add copyright header.
* lib/di-set.h: Likewise.
* lib/fchown-stub.c: Likewise.
* lib/file-set.h: Likewise.
* lib/hash-triple.h: Likewise.
* lib/idcache.h: Likewise.
* lib/ino-map.h: Likewise.
* lib/mkancesdirs.h: Likewise.
* lib/scratch_buffer.h: Likewise.
* lib/se-context.in.h: Likewise.
* lib/stdopen.h: Likewise.
* lib/userspec.h: Likewise.

13 files changed, 232 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 0c8c075102..44d60f7df0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,19 @@
+2020-07-05  Bruno Haible  <bruno@clisp.org>
+
+	Add some copyright headers.
+	* lib/dev-ino.h: Add copyright header.
+	* lib/di-set.h: Likewise.
+	* lib/fchown-stub.c: Likewise.
+	* lib/file-set.h: Likewise.
+	* lib/hash-triple.h: Likewise.
+	* lib/idcache.h: Likewise.
+	* lib/ino-map.h: Likewise.
+	* lib/mkancesdirs.h: Likewise.
+	* lib/scratch_buffer.h: Likewise.
+	* lib/se-context.in.h: Likewise.
+	* lib/stdopen.h: Likewise.
+	* lib/userspec.h: Likewise.
+
 2020-07-04  Bruno Haible  <bruno@clisp.org>
 
 	getrandom: Relicense under LGPLv2+.
diff --git a/lib/dev-ino.h b/lib/dev-ino.h
index 695d38c7bb..7b62d48c22 100644
--- a/lib/dev-ino.h
+++ b/lib/dev-ino.h
@@ -1,3 +1,21 @@
+/* A simple (device, inode) struct.
+   Copyright (C) 2003-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2003.  */
+
 #ifndef DEV_INO_H
 # define DEV_INO_H 1
 
diff --git a/lib/di-set.h b/lib/di-set.h
index bec5b3f9e4..743bc7d007 100644
--- a/lib/di-set.h
+++ b/lib/di-set.h
@@ -1,3 +1,21 @@
+/* Manipulate sets of device-inode pairs efficiently.
+   Copyright (C) 2010-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2010.  */
+
 #ifndef _GL_DI_SET_H
 # define _GL_DI_SET_H
 
diff --git a/lib/fchown-stub.c b/lib/fchown-stub.c
index 62b6969084..65be66ef3b 100644
--- a/lib/fchown-stub.c
+++ b/lib/fchown-stub.c
@@ -1,3 +1,21 @@
+/* Change ownership of a file.
+   Copyright (C) 2004-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert, 2004.  */
+
 #include <config.h>
 
 #include <sys/types.h>
diff --git a/lib/file-set.h b/lib/file-set.h
index 4e47d95a1f..244951f56f 100644
--- a/lib/file-set.h
+++ b/lib/file-set.h
@@ -1,3 +1,21 @@
+/* Very specialized set-of-files code.
+   Copyright (C) 2007-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2007.  */
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <stdbool.h>
diff --git a/lib/hash-triple.h b/lib/hash-triple.h
index 0658d8170f..c65450e62b 100644
--- a/lib/hash-triple.h
+++ b/lib/hash-triple.h
@@ -1,3 +1,21 @@
+/* Hash functions for file-related (name, device, inode) triples.
+   Copyright (C) 2007-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2007.  */
+
 #ifndef HASH_TRIPLE_H
 #define HASH_TRIPLE_H
 
diff --git a/lib/idcache.h b/lib/idcache.h
index e7573b83f7..012c79244d 100644
--- a/lib/idcache.h
+++ b/lib/idcache.h
@@ -1,3 +1,21 @@
+/* Username <--> uid and groupname <--> gid conversions, with cache for speed.
+   Copyright (C) 2007-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2007.  */
+
 #ifndef IDCACHE_H
 # define IDCACHE_H 1
 
diff --git a/lib/ino-map.h b/lib/ino-map.h
index 1bdf886f46..9f7d5e82fa 100644
--- a/lib/ino-map.h
+++ b/lib/ino-map.h
@@ -1,3 +1,21 @@
+/* Maintain a mapping of ino_t numbers to small integers.
+   Copyright (C) 2010-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert, 2010.  */
+
 #ifndef _GL_INO_MAP_H
 # define _GL_INO_MAP_H
 
diff --git a/lib/mkancesdirs.h b/lib/mkancesdirs.h
index fdfd654410..6a9d1e0407 100644
--- a/lib/mkancesdirs.h
+++ b/lib/mkancesdirs.h
@@ -1,3 +1,21 @@
+/* Ensure the existence of the ancestor directories of a file.
+   Copyright (C) 2006-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert, 2006.  */
+
 #include <stddef.h>
 
 #ifdef __cplusplus
diff --git a/lib/scratch_buffer.h b/lib/scratch_buffer.h
index 4c0db3e53b..0b45f92c10 100644
--- a/lib/scratch_buffer.h
+++ b/lib/scratch_buffer.h
@@ -1,3 +1,21 @@
+/* Variable-sized buffer with on-stack default allocation.
+   Copyright (C) 2017-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert, 2017.  */
+
 #ifndef _GL_SCRATCH_BUFFER_H
 #define _GL_SCRATCH_BUFFER_H
 
diff --git a/lib/se-context.in.h b/lib/se-context.in.h
index c3890a2bf3..5306937ca8 100644
--- a/lib/se-context.in.h
+++ b/lib/se-context.in.h
@@ -1,3 +1,21 @@
+/* SELinux-related headers.
+   Copyright (C) 2007-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2007.  */
+
 #ifndef SELINUX_CONTEXT_H
 # define SELINUX_CONTEXT_H
 
diff --git a/lib/stdopen.h b/lib/stdopen.h
index 27901d397c..ccc62a0c0c 100644
--- a/lib/stdopen.h
+++ b/lib/stdopen.h
@@ -1,3 +1,21 @@
+/* Arrange for stdin/stdout/stderr to be open.
+   Copyright (C) 2005-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2005.  */
+
 #ifndef STDOPEN_H
 # define STDOPEN_H 1
 
diff --git a/lib/userspec.h b/lib/userspec.h
index 67af8451bf..e20c390529 100644
--- a/lib/userspec.h
+++ b/lib/userspec.h
@@ -1,3 +1,21 @@
+/* Parse a 'user:group' specifier (e.g. the first argument of chown utility).
+   Copyright (C) 2003-2020 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 3 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, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering, 2003.  */
+
 #ifndef USERSPEC_H
 # define USERSPEC_H 1