.

[gnulib.git] / lib / backupfile.c

diff --git a/lib/backupfile.c b/lib/backupfile.c
index 7a624cf..e6956ee 100644 (file)
--- a/lib/backupfile.c
+++ b/lib/backupfile.c
@@ -18,14 +18,29 @@
 /* David MacKenzie <djm@gnu.ai.mit.edu>.
    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)
 #include <string.h>
+#ifndef index
 #define index strchr
+#endif
+#ifndef rindex
 #define rindex strrchr
+#endif
 #else
 #include <strings.h>
 #endif
@@ -141,11 +156,11 @@ max_backup_version (file, dir)
   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);
 
@@ -153,7 +168,7 @@ max_backup_version (file, dir)
     {
       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;
@@ -192,7 +207,7 @@ version_number (base, backup, base_length)
 {
   int version;
   char *p;
-  
+
   version = 0;
   if (!strncmp (base, backup, base_length) && ISDIGIT (backup[base_length]))
     {
@@ -212,7 +227,7 @@ concat (str1, str2)
      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)