(maintainer-clean): Rename from realclean.

[gnulib.git] / lib / backupfile.c

diff --git a/lib/backupfile.c b/lib/backupfile.c
index e6956ee..89b5f1e 100644 (file)
--- a/lib/backupfile.c
+++ b/lib/backupfile.c
@@ -19,50 +19,37 @@
    Some algorithms adapted from GNU Emacs. */
 
 #ifdef HAVE_CONFIG_H
-#if defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
-   using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
-   (which it would do because it found this file in $srcdir).  */
 #include <config.h>
-#else
-#include "config.h"
-#endif
 #endif
 
 #include <stdio.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include "backupfile.h"
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
+#ifdef HAVE_STRING_H
 #include <string.h>
-#ifndef index
-#define index strchr
-#endif
-#ifndef rindex
-#define rindex strrchr
-#endif
 #else
 #include <strings.h>
 #endif
 
-#if defined(DIRENT) || defined(_POSIX_VERSION)
+#ifdef HAVE_DIRENT_H
 #include <dirent.h>
 #define NLENGTH(direct) (strlen((direct)->d_name))
-#else /* not (DIRENT or _POSIX_VERSION) */
+#else /* not HAVE_DIRENT_H */
 #define dirent direct
 #define NLENGTH(direct) ((direct)->d_namlen)
-#ifdef SYSNDIR
+#ifdef HAVE_SYS_NDIR_H
 #include <sys/ndir.h>
-#endif /* SYSNDIR */
-#ifdef SYSDIR
+#endif /* HAVE_SYS_NDIR_H */
+#ifdef HAVE_SYS_DIR_H
 #include <sys/dir.h>
-#endif /* SYSDIR */
-#ifdef NDIR
+#endif /* HAVE_SYS_DIR_H */
+#ifdef HAVE_NDIR_H
 #include <ndir.h>
-#endif /* NDIR */
-#endif /* DIRENT or _POSIX_VERSION */
+#endif /* HAVE_NDIR_H */
+#endif /* HAVE_DIRENT_H */
 
-#ifdef VOID_CLOSEDIR
+#ifdef CLOSEDIR_VOID
 /* Fake a return value. */
 #define CLOSEDIR(d) (closedir (d), 0)
 #else
@@ -75,12 +62,13 @@
 char *malloc ();
 #endif
 
-#if !defined (isascii) || defined (STDC_HEADERS)
-#undef isascii
-#define isascii(c) 1
+#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
+#define ISASCII(c) 1
+#else
+#define ISASCII(c) isascii(c)
 #endif
 
-#define ISDIGIT(c) (isascii ((unsigned char ) c) \
+#define ISDIGIT(c) (ISASCII ((unsigned char) (c)) \
                    && isdigit ((unsigned char) (c)))
 
 #if defined (HAVE_UNISTD_H)