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Protect against multiple inclusion.

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From Akim Demaille.
This commit is contained in:
Jim Meyering
1998-09-27 17:44:49 +00:00
parent 80768df1f5
commit 2b53ea5791
1 changed files with 12 additions and 7 deletions
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19
lib/backupfile.h
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@@ -16,6 +16,9 @@
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef BACKUPFILE_H_
# define BACKUPFILE_H_
/* When to make backup files. */
enum backup_type
{
@@ -33,7 +36,7 @@ enum backup_type
numbered
};
#define VALID_BACKUP_TYPE(Type) \
# define VALID_BACKUP_TYPE(Type) \
((Type) == none \
|| (Type) == simple \
|| (Type) == numbered_existing \
@@ -41,15 +44,17 @@ enum backup_type
extern char const *simple_backup_suffix;
#ifndef PARAMS
# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# ifndef PARAMS
# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
# endif
#endif
char *base_name PARAMS ((char const *));
char *find_backup_file_name PARAMS ((char const *, enum backup_type));
enum backup_type get_version PARAMS ((char const *));
void addext PARAMS ((char *, char const *, int));
#endif /* ! BACKUPFILE_H_ */