1 files changed, 27 insertions, 1 deletions
diff --git a/src/system.h b/src/system.h
index 06f09cba..1677999e 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* system-dependent definitions for coreutils
-   Copyright (C) 1989-2012 Free Software Foundation, Inc.
+   Copyright (C) 1989-2013 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
@@ -30,6 +30,9 @@ you must include <sys/types.h> before including this file
 
 #include <sys/stat.h>
 
+/* Commonly used file permission combination.  */
+#define MODE_RW_UGO (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
+
 #if !defined HAVE_MKFIFO
 # define mkfifo(name, mode) mknod (name, (mode) | S_IFIFO, 0)
 #endif
@@ -536,6 +539,14 @@ is_nul (const char *buf, size_t bufsize)
   )
 
 static inline void
+emit_mandatory_arg_note (void)
+{
+  fputs (_("\n\
+Mandatory arguments to long options are mandatory for short options too.\n\
+"), stdout);
+}
+
+static inline void
 emit_size_note (void)
 {
   fputs (_("\n\
@@ -623,6 +634,21 @@ The following directory is part of the cycle:\n  %s\n"), \
     }					\
   while (0)
 
+/* Like stpncpy, but do ensure that the result is NUL-terminated,
+   and do not NUL-pad out to LEN.  I.e., when strnlen (src, len) == len,
+   this function writes a NUL byte into dest[len].  Thus, the length
+   of the destination buffer must be at least LEN + 1.
+   The DEST and SRC buffers must not overlap.  */
+static inline char *
+stzncpy (char *restrict dest, char const *restrict src, size_t len)
+{
+  char const *src_end = src + len;
+  while (src < src_end && *src)
+    *dest++ = *src++;
+  *dest = 0;
+  return dest;
+}
+
 #ifndef ARRAY_CARDINALITY
 # define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
 #endif