2 files changed, 16 insertions, 0 deletions
diff --git a/djgpp/djgpp.c b/djgpp/djgpp.c
index 0e465b0f82..4c53eb09c8 100644
--- a/djgpp/djgpp.c
+++ b/djgpp/djgpp.c
@@ -441,3 +441,16 @@ djgpp_fflush (FILE *fp)
 
     return res;
 }
+
+int djgpp_get_stream_mode(FILE *f)
+{
+    extern char *__file_handle_modes;
+
+    int mode = __file_handle_modes[fileno(f)];
+    if (f->_flag & _IORW)
+        return mode | O_RDWR;
+    if (f->_flag & _IOWRT)
+        return mode | O_WRONLY;
+    return mode | O_RDONLY;
+}
+
diff --git a/perlio.c b/perlio.c
index 999b5fb19f..b59737c669 100644
--- a/perlio.c
+++ b/perlio.c
@@ -187,6 +187,9 @@ PerlIO_fdupopen(pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
 	if (fd >= 0) {
 	    char mode[8];
 	    int omode = fcntl(fd, F_GETFL);
+#ifdef DJGPP
+	    omode = djgpp_get_stream_mode(f);
+#endif
 	    PerlIO_intmode2str(omode,mode,NULL);
 	    /* the r+ is a hack */
 	    return PerlIO_fdopen(fd, mode);