X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Ffchmodat.c;fp=lib%2Ffchmodat.c;h=0a7654315d385ac6e343781cba5d5db86f48068a;hb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;hp=0000000000000000000000000000000000000000;hpb=c7e61475680fa226bd9b8bdd469cd66914e630f5;p=debian%2Fgzip
diff --git a/lib/fchmodat.c b/lib/fchmodat.c
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--- /dev/null
+++ b/lib/fchmodat.c
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+/* Change the protections of file relative to an open directory.
+ Copyright (C) 2006, 2009-2010 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 . */
+
+/* written by Jim Meyering */
+
+#include
+
+#include
+
+#include
+
+#ifndef HAVE_LCHMOD
+/* Use a different name, to avoid conflicting with any
+ system-supplied declaration. */
+# undef lchmod
+# define lchmod lchmod_rpl
+static int
+lchmod (char const *f _GL_UNUSED, mode_t m _GL_UNUSED)
+{
+ errno = ENOSYS;
+ return -1;
+}
+#endif
+
+/* Solaris 10 has no function like this.
+ Invoke chmod or lchmod on file, FILE, using mode MODE, in the directory
+ open on descriptor FD. If possible, do it without changing the
+ working directory. Otherwise, resort to using save_cwd/fchdir,
+ then (chmod|lchmod)/restore_cwd. If either the save_cwd or the
+ restore_cwd fails, then give a diagnostic and exit nonzero.
+ Note that an attempt to use a FLAG value of AT_SYMLINK_NOFOLLOW
+ on a system without lchmod support causes this function to fail. */
+
+#define AT_FUNC_NAME fchmodat
+#define AT_FUNC_F1 lchmod
+#define AT_FUNC_F2 chmod
+#define AT_FUNC_USE_F1_COND AT_SYMLINK_NOFOLLOW
+#define AT_FUNC_POST_FILE_PARAM_DECLS , mode_t mode, int flag
+#define AT_FUNC_POST_FILE_ARGS , mode
+#include "at-func.c"