#include <limits.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
#if HAVE_DIRENT_H
# include <dirent.h>
static char const * const backup_args[] =
{
- /* In a series of synonyms, present the most meaning full first, so
+ /* In a series of synonyms, present the most meaningful first, so
that argmatch_valid be more readable. */
"none", "off",
"simple", "never",
numbered_backups, numbered_backups
};
+/* Ensure that these two vectors have the same number of elements,
+ not counting the final NULL in the first one. */
+ARGMATCH_VERIFY (backup_args, backup_types);
+
/* Return the type of backup specified by VERSION.
If VERSION is NULL or the empty string, return numbered_existing_backups.
If VERSION is invalid or ambiguous, fail with a diagnostic appropriate