Libc-320.tar.gz

[apple/libc.git] / stdio / FreeBSD / fclose.c

diff --git a/stdio/FreeBSD/fclose.c b/stdio/FreeBSD/fclose.c
new file mode 100644 (file)
index 0000000..ad4dae7
--- /dev/null
+++ b/stdio/FreeBSD/fclose.c
@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)fclose.c   8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/stdio/fclose.c,v 1.11 2002/03/22 21:53:04 obrien Exp $");
+
+#include "namespace.h"
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "un-namespace.h"
+#include "libc_private.h"
+#include "local.h"
+
+int
+fclose(FILE *fp)
+{
+       int r;
+
+       if (fp->_flags == 0) {  /* not open! */
+               errno = EBADF;
+               return (EOF);
+       }
+       FLOCKFILE(fp);
+       r = fp->_flags & __SWR ? __sflush(fp) : 0;
+       if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0)
+               r = EOF;
+       if (fp->_flags & __SMBF)
+               free((char *)fp->_bf._base);
+       if (HASUB(fp))
+               FREEUB(fp);
+       if (HASLB(fp))
+               FREELB(fp);
+       fp->_file = -1;
+       fp->_r = fp->_w = 0;    /* Mess up if reaccessed. */
+       fp->_flags = 0;         /* Release this FILE for reuse. */
+       FUNLOCKFILE(fp);
+       return (r);
+}