Remove K&R cruft.

[gnulib.git] / lib / backupfile.c

diff --git a/lib/backupfile.c b/lib/backupfile.c
index 0339cae..7ea76b4 100644 (file)
--- a/lib/backupfile.c
+++ b/lib/backupfile.c
@@ -1,6 +1,7 @@
 /* backupfile.c -- make Emacs style backup file names
-   Copyright 1990,91,92,93,94,95,96,97,98,99,2000, 2001 Free Software
-   Foundation, Inc.
+
+   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+   1999, 2000, 2001, 2002, 2003 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
@@ -24,13 +25,9 @@
 # include <config.h>
 #endif
 
+#include <stddef.h>
 #include <stdio.h>
-#include <sys/types.h>
-#if HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif
+#include <string.h>
 
 #if HAVE_DIRENT_H
 # include <dirent.h>
@@ -56,23 +53,7 @@
 # define CLOSEDIR(d) closedir (d)
 #endif
 
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-
-#ifndef HAVE_DECL_GETENV
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_GETENV
-char *getenv ();
-#endif
-
-#ifndef HAVE_DECL_MALLOC
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_MALLOC
-char *malloc ();
-#endif
+#include <stdlib.h>
 
 #if HAVE_DIRENT_H || HAVE_NDIR_H || HAVE_SYS_DIR_H || HAVE_SYS_NDIR_H
 # define HAVE_DIR 1
@@ -80,12 +61,8 @@ char *malloc ();
 # define HAVE_DIR 0
 #endif
 
-#if HAVE_LIMITS_H
-# include <limits.h>
-#endif
-#ifndef CHAR_BIT
-# define CHAR_BIT 8
-#endif
+#include <limits.h>
+
 /* Upper bound on the string length of an integer converted to string.
    302 / 1000 is ceil (log10 (2.0)).  Subtract 1 for the sign bit;
    add 1 for integer division truncation; add 1 more for a minus sign.  */
@@ -95,10 +72,9 @@ char *malloc ();
    - Its arg may be any int or unsigned int; it need not be an unsigned char.
    - It's guaranteed to evaluate its argument exactly once.
    - It's typically faster.
-   Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
-   only '0' through '9' are digits.  Prefer ISDIGIT to isdigit unless
-   it's important to use the locale's definition of `digit' even when the
-   host does not conform to Posix.  */
+   POSIX says that only '0' through '9' are digits.  Prefer ISDIGIT to
+   ISDIGIT_LOCALE unless it's important to use the locale's definition
+   of `digit' even when the host does not conform to POSIX.  */
 #define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
 
 #if D_INO_IN_DIRENT
@@ -107,16 +83,16 @@ char *malloc ();
 # define REAL_DIR_ENTRY(dp) 1
 #endif
 
-#include <argmatch.h>
-#include <backupfile.h>
-#include <dirname.h>
+#include "argmatch.h"
+#include "backupfile.h"
+#include "dirname.h"
 
 /* The extension added to file names to produce a simple (as opposed
    to numbered) backup file name. */
 const char *simple_backup_suffix = "~";
 
-static int max_backup_version PARAMS ((const char *, const char *));
-static int version_number PARAMS ((const char *, const char *, size_t));
+static int max_backup_version (const char *, const char *);
+static int version_number (const char *, const char *, size_t);
 
 /* Return the name of the new backup file for file FILE,
    allocated with malloc.  Return 0 if out of memory.