Make opendir on MS-Windows accept a 'const char *'.

 src/w32.c (opendir): Now accepts a 'const char *'.

 nt/inc/dirent.h (opendir): Update prototype.

4 files changed, 10 insertions, 2 deletions

diff --git a/nt/ChangeLog b/nt/ChangeLog
index aca1236657b..8b8628db1e2 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,3 +1,7 @@
+2013-01-28  Eli Zaretskii  <eliz@gnu.org>
+
+        * inc/dirent.h (opendir): Update prototype.
+
 2013-01-11  Eli Zaretskii  <eliz@gnu.org>
 
         * inc/unistd.h (O_IGNORE_CTTY): Define, as it is unconditionally
diff --git a/nt/inc/dirent.h b/nt/inc/dirent.h
index 618f3beddf0..676b82d207b 100644
--- a/nt/inc/dirent.h
+++ b/nt/inc/dirent.h
@@ -30,7 +30,7 @@ typedef struct
         char    dd_buf[DIRBLKSIZ];      /* directory block */
         }       DIR;                    /* stream data from opendir() */
 
-extern DIR              *opendir (char *);
+extern DIR              *opendir (const char *);
 extern struct dirent    *readdir (DIR *);
 extern void             seekdir (DIR *, long);
 extern void             closedir (DIR *);
diff --git a/src/ChangeLog b/src/ChangeLog
index 221d525f16e..abbe4ed6dd4 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2013-01-28  Eli Zaretskii  <eliz@gnu.org>
+
+        * w32.c (opendir): Now accepts a 'const char *'.
+
 2013-01-28  Dmitry Antipov  <dmantipov@yandex.ru>
 
         Remove obsolete redisplay code.  See the discussion at
diff --git a/src/w32.c b/src/w32.c
index f722bc5f397..6bcc8e19278 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -2809,7 +2809,7 @@ static char  *read_unc_volume (HANDLE, char *, int);
 static void   close_unc_volume (HANDLE);
 
 DIR *
-opendir (char *filename)
+opendir (const char *filename)
 {
   DIR *dirp;