tar-1.29HEADtar-1.29master

1 files changed, 107 insertions, 0 deletions

diff --git a/src/warning.c b/src/warning.c
new file mode 100644
index 0000000..86a0fd1
--- /dev/null
+++ b/src/warning.c
@@ -0,0 +1,107 @@
+/* Warnings for GNU tar.
+
+   Copyright 2009, 2012-2014, 2016 Free Software Foundation, Inc.
+
+   This file is part of GNU tar.
+
+   GNU tar 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.
+
+   GNU tar 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 <http://www.gnu.org/licenses/>.  */
+
+#include <system.h>
+#include <argmatch.h>
+
+#include "common.h"
+
+static char const *const warning_args[] = {
+  "all",
+  "alone-zero-block",
+  "bad-dumpdir",
+  "cachedir",
+  "contiguous-cast",
+  "file-changed",
+  "file-ignored",
+  "file-removed",
+  "file-shrank",
+  "file-unchanged",
+  "filename-with-nuls",
+  "ignore-archive",
+  "ignore-newer",
+  "new-directory",
+  "rename-directory",
+  "symlink-cast",
+  "timestamp",
+  "unknown-cast",
+  "unknown-keyword",
+  "xdev",
+  "decompress-program",
+  "existing-file",
+  "xattr-write",
+  "record-size",
+  NULL
+};
+
+static int warning_types[] = {
+  WARN_ALL,
+  WARN_ALONE_ZERO_BLOCK,
+  WARN_BAD_DUMPDIR,
+  WARN_CACHEDIR,
+  WARN_CONTIGUOUS_CAST,
+  WARN_FILE_CHANGED,
+  WARN_FILE_IGNORED,
+  WARN_FILE_REMOVED,
+  WARN_FILE_SHRANK,
+  WARN_FILE_UNCHANGED,
+  WARN_FILENAME_WITH_NULS,
+  WARN_IGNORE_ARCHIVE,
+  WARN_IGNORE_NEWER,
+  WARN_NEW_DIRECTORY,
+  WARN_RENAME_DIRECTORY,
+  WARN_SYMLINK_CAST,
+  WARN_TIMESTAMP,
+  WARN_UNKNOWN_CAST,
+  WARN_UNKNOWN_KEYWORD,
+  WARN_XDEV,
+  WARN_DECOMPRESS_PROGRAM,
+  WARN_EXISTING_FILE,
+  WARN_XATTR_WRITE,
+  WARN_RECORD_SIZE
+};
+
+ARGMATCH_VERIFY (warning_args, warning_types);
+
+int warning_option = WARN_ALL;
+
+void
+set_warning_option (const char *arg)
+{
+  int negate = 0;
+  int option;
+
+  if (strcmp (arg, "none") == 0)
+    {
+      warning_option = 0;
+      return;
+    }
+  if (strlen (arg) > 2 && memcmp (arg, "no-", 3) == 0)
+    {
+      negate = 1;
+      arg += 3;
+    }
+
+  option = XARGMATCH ("--warning", arg,
+		      warning_args, warning_types);
+  if (negate)
+    warning_option &= ~option;
+  else
+    warning_option |= option;
+}