fflush() before invalidating stdio's fileno.

p4raw-id: //depot/perlio@18613

diff --git a/perlio.c b/perlio.c
index 25c1380..9cb12d0 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -2795,7 +2795,7 @@ PerlIOStdio_close(pTHX_ PerlIO *f)
         int fd = fileno(stdio);
        int socksfd = 0;
        int invalidate = 0;
-       IV result;
+       IV result = 0;
        int saveerr = 0;
        int dupfd = 0;
 #ifdef SOCKS5_VERSION_NAME
@@ -2830,6 +2830,7 @@ PerlIOStdio_close(pTHX_ PerlIO *f)
               Use Sarathy's trick from maint-5.6 to invalidate the 
               fileno slot of the FILE * 
            */ 
+           result = PerlIO_flush(f);
            saveerr = errno;
            if (!(invalidate = PerlIOStdio_invalidate_fileno(aTHX_ stdio))) {
                dupfd = PerlLIO_dup(fd);