tar-1.29HEADtar-1.29master

1 files changed, 361 insertions, 0 deletions

diff --git a/lib/paxerror.c b/lib/paxerror.c
new file mode 100644
index 0000000..134cef3
--- /dev/null
+++ b/lib/paxerror.c
@@ -0,0 +1,361 @@
+/* Miscellaneous error functions
+
+   Copyright (C) 2005, 2007 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, 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, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#include <system.h>
+#include <paxlib.h>
+#include <quote.h>
+#include <quotearg.h>
+
+void (*error_hook) (void);
+
+/* Decode MODE from its binary form in a stat structure, and encode it
+   into a 9-byte string STRING, terminated with a NUL.  */
+
+void
+pax_decode_mode (mode_t mode, char *string)
+{
+  *string++ = mode & S_IRUSR ? 'r' : '-';
+  *string++ = mode & S_IWUSR ? 'w' : '-';
+  *string++ = (mode & S_ISUID
+	       ? (mode & S_IXUSR ? 's' : 'S')
+	       : (mode & S_IXUSR ? 'x' : '-'));
+  *string++ = mode & S_IRGRP ? 'r' : '-';
+  *string++ = mode & S_IWGRP ? 'w' : '-';
+  *string++ = (mode & S_ISGID
+	       ? (mode & S_IXGRP ? 's' : 'S')
+	       : (mode & S_IXGRP ? 'x' : '-'));
+  *string++ = mode & S_IROTH ? 'r' : '-';
+  *string++ = mode & S_IWOTH ? 'w' : '-';
+  *string++ = (mode & S_ISVTX
+	       ? (mode & S_IXOTH ? 't' : 'T')
+	       : (mode & S_IXOTH ? 'x' : '-'));
+  *string = '\0';
+}
+
+/* Report an error associated with the system call CALL and the
+   optional name NAME.  */
+void
+call_arg_error (char const *call, char const *name)
+{
+  int e = errno;
+  /* TRANSLATORS: %s after `Cannot' is a function name, e.g. `Cannot open'.
+     Directly translating this to another language will not work, first because
+     %s itself is not translated.
+     Translate it as `%s: Function %s failed'. */
+  ERROR ((0, e, _("%s: Cannot %s"), quotearg_colon (name), call));
+}
+
+/* Report a fatal error associated with the system call CALL and
+   the optional file name NAME.  */
+void
+call_arg_fatal (char const *call, char const *name)
+{
+  int e = errno;
+  /* TRANSLATORS: %s after `Cannot' is a function name, e.g. `Cannot open'.
+     Directly translating this to another language will not work, first because
+     %s itself is not translated.
+     Translate it as `%s: Function %s failed'. */
+  FATAL_ERROR ((0, e, _("%s: Cannot %s"), quotearg_colon (name),  call));
+}
+
+/* Report a warning associated with the system call CALL and
+   the optional file name NAME.  */
+void
+call_arg_warn (char const *call, char const *name)
+{
+  int e = errno;
+  /* TRANSLATORS: %s after `Cannot' is a function name, e.g. `Cannot open'.
+     Directly translating this to another language will not work, first because
+     %s itself is not translated.
+     Translate it as `%s: Function %s failed'. */
+  WARN ((0, e, _("%s: Warning: Cannot %s"), quotearg_colon (name), call));
+}
+
+void
+chmod_error_details (char const *name, mode_t mode)
+{
+  int e = errno;
+  char buf[10];
+  pax_decode_mode (mode, buf);
+  ERROR ((0, e, _("%s: Cannot change mode to %s"),
+	  quotearg_colon (name), buf));
+}
+
+void
+chown_error_details (char const *name, uid_t uid, gid_t gid)
+{
+  int e = errno;
+  ERROR ((0, e, _("%s: Cannot change ownership to uid %lu, gid %lu"),
+	  quotearg_colon (name), (unsigned long) uid, (unsigned long) gid));
+}
+
+void
+close_error (char const *name)
+{
+  call_arg_error ("close", name);
+}
+
+void
+close_warn (char const *name)
+{
+  call_arg_warn ("close", name);
+}
+
+void
+exec_fatal (char const *name)
+{
+  call_arg_fatal ("exec", name);
+}
+
+void
+link_error (char const *target, char const *source)
+{
+  int e = errno;
+  ERROR ((0, e, _("%s: Cannot hard link to %s"),
+	  quotearg_colon (source), quote_n (1, target)));
+}
+
+void
+mkdir_error (char const *name)
+{
+  call_arg_error ("mkdir", name);
+}
+
+void
+mkfifo_error (char const *name)
+{
+  call_arg_error ("mkfifo", name);
+}
+
+void
+mknod_error (char const *name)
+{
+  call_arg_error ("mknod", name);
+}
+
+void
+open_error (char const *name)
+{
+  call_arg_error ("open", name);
+}
+
+void
+open_fatal (char const *name)
+{
+  call_arg_fatal ("open", name);
+}
+
+void
+open_warn (char const *name)
+{
+  call_arg_warn ("open", name);
+}
+
+void
+read_error (char const *name)
+{
+  call_arg_error ("read", name);
+}
+
+void
+read_error_details (char const *name, off_t offset, size_t size)
+{
+  char buf[UINTMAX_STRSIZE_BOUND];
+  int e = errno;
+  ERROR ((0, e,
+	  ngettext ("%s: Read error at byte %s, while reading %lu byte",
+		    "%s: Read error at byte %s, while reading %lu bytes",
+		    size),
+	  quotearg_colon (name), STRINGIFY_BIGINT (offset, buf),
+	  (unsigned long) size));
+}
+
+void
+read_warn_details (char const *name, off_t offset, size_t size)
+{
+  char buf[UINTMAX_STRSIZE_BOUND];
+  int e = errno;
+  WARN ((0, e,
+	 ngettext ("%s: Warning: Read error at byte %s, while reading %lu byte",
+		   "%s: Warning: Read error at byte %s, while reading %lu bytes",
+		   size),
+	 quotearg_colon (name), STRINGIFY_BIGINT (offset, buf),
+	 (unsigned long) size));
+}
+
+void
+read_fatal (char const *name)
+{
+  call_arg_fatal ("read", name);
+}
+
+void
+read_fatal_details (char const *name, off_t offset, size_t size)
+{
+  char buf[UINTMAX_STRSIZE_BOUND];
+  int e = errno;
+  FATAL_ERROR ((0, e,
+		ngettext ("%s: Read error at byte %s, while reading %lu byte",
+			  "%s: Read error at byte %s, while reading %lu bytes",
+			  size),
+		quotearg_colon (name), STRINGIFY_BIGINT (offset, buf),
+		(unsigned long) size));
+}
+
+void
+readlink_error (char const *name)
+{
+  call_arg_error ("readlink", name);
+}
+
+void
+readlink_warn (char const *name)
+{
+  call_arg_warn ("readlink", name);
+}
+
+void
+rmdir_error (char const *name)
+{
+  call_arg_error ("rmdir", name);
+}
+
+void
+savedir_error (char const *name)
+{
+  call_arg_error ("savedir", name);
+}
+
+void
+savedir_warn (char const *name)
+{
+  call_arg_warn ("savedir", name);
+}
+
+void
+seek_error (char const *name)
+{
+  call_arg_error ("seek", name);
+}
+
+void
+seek_error_details (char const *name, off_t offset)
+{
+  char buf[UINTMAX_STRSIZE_BOUND];
+  int e = errno;
+  ERROR ((0, e, _("%s: Cannot seek to %s"),
+	  quotearg_colon (name),
+	  STRINGIFY_BIGINT (offset, buf)));
+}
+
+void
+seek_warn (char const *name)
+{
+  call_arg_warn ("seek", name);
+}
+
+void
+seek_warn_details (char const *name, off_t offset)
+{
+  char buf[UINTMAX_STRSIZE_BOUND];
+  int e = errno;
+  WARN ((0, e, _("%s: Warning: Cannot seek to %s"),
+	 quotearg_colon (name),
+	 STRINGIFY_BIGINT (offset, buf)));
+}
+
+void
+symlink_error (char const *contents, char const *name)
+{
+  int e = errno;
+  ERROR ((0, e, _("%s: Cannot create symlink to %s"),
+	  quotearg_colon (name), quote_n (1, contents)));
+}
+
+void
+stat_fatal (char const *name)
+{
+  call_arg_fatal ("stat", name);
+}
+
+void
+stat_error (char const *name)
+{
+  call_arg_error ("stat", name);
+}
+
+void
+stat_warn (char const *name)
+{
+  call_arg_warn ("stat", name);
+}
+
+void
+truncate_error (char const *name)
+{
+  call_arg_error ("truncate", name);
+}
+
+void
+truncate_warn (char const *name)
+{
+  call_arg_warn ("truncate", name);
+}
+
+void
+unlink_error (char const *name)
+{
+  call_arg_error ("unlink", name);
+}
+
+void
+utime_error (char const *name)
+{
+  call_arg_error ("utime", name);
+}
+
+void
+waitpid_error (char const *name)
+{
+  call_arg_error ("waitpid", name);
+}
+
+void
+write_error (char const *name)
+{
+  call_arg_error ("write", name);
+}
+
+void
+write_error_details (char const *name, size_t status, size_t size)
+{
+  if (status == 0)
+    write_error (name);
+  else
+    ERROR ((0, 0,
+	    ngettext ("%s: Wrote only %lu of %lu byte",
+		      "%s: Wrote only %lu of %lu bytes",
+		      size),
+	    name, (unsigned long int) status, (unsigned long int) size));
+}
+
+void
+chdir_fatal (char const *name)
+{
+  call_arg_fatal ("chdir", name);
+}