/* David MacKenzie <djm@gnu.ai.mit.edu>.
Some algorithms adapted from GNU Emacs. */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#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>
-#define index strchr
-#define rindex strrchr
#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
char *malloc ();
#endif
-#if !defined (isascii) || defined (STDC_HEADERS)
-#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)
int highest_version;
int this_version;
int file_name_length;
-
+
dirp = opendir (dir);
if (!dirp)
return 0;
-
+
highest_version = 0;
file_name_length = strlen (file);
{
if (!REAL_DIR_ENTRY (dp) || NLENGTH (dp) <= file_name_length)
continue;
-
+
this_version = version_number (file, dp->d_name, file_name_length);
if (this_version > highest_version)
highest_version = this_version;
{
int version;
char *p;
-
+
version = 0;
if (!strncmp (base, backup, base_length) && ISDIGIT (backup[base_length]))
{
char *str1, *str2;
{
char *newstr;
- char str1_length = strlen (str1);
+ int str1_length = strlen (str1);
newstr = malloc (str1_length + strlen (str2) + 1);
if (newstr == 0)