Libc-594.9.1.tar.gz

[apple/libc.git] / stdio / fdopen-fbsd.c

diff --git a/stdio/fdopen-fbsd.c b/stdio/fdopen-fbsd.c
deleted file mode 120000 (symlink)
index bf3e32b3ad03983911b93e0ef6f2b85ca9d6c25d..0000000000000000000000000000000000000000
--- a/stdio/fdopen-fbsd.c
+++ /dev/null
@@ -1 +0,0 @@
-./fdopen.c
\ No newline at end of file

diff --git a/stdio/fdopen-fbsd.c b/stdio/fdopen-fbsd.c
new file mode 100644 (file)
index 0000000000000000000000000000000000000000..fcac038e41b6fbbf593e871f03b1453cf9782ea7
--- /dev/null
+++ b/stdio/fdopen-fbsd.c
@@ -0,0 +1,102 @@
+/*-
+ * 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.
+ */
+
+#ifdef VARIANT_DARWINEXTSN
+#define _DARWIN_UNLIMITED_STREAMS
+#define COUNT  0
+#elif defined(VARIANT_LEGACY)
+#define COUNT  0
+#else
+#define COUNT  1
+#endif
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)fdopen.c   8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/stdio/fdopen.c,v 1.7 2002/03/22 21:53:04 obrien Exp $");
+
+#include "namespace.h"
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include "un-namespace.h"
+#include "local.h"
+
+FILE *
+fdopen(fd, mode)
+       int fd;
+       const char *mode;
+{
+       FILE *fp;
+       static int nofile;
+       int flags, oflags, fdflags, tmp;
+
+       if (nofile == 0)
+               nofile = getdtablesize();
+
+       if ((flags = __sflags(mode, &oflags)) == 0)
+               return (NULL);
+
+       /* Make sure the mode the user wants is a subset of the actual mode. */
+       if ((fdflags = _fcntl(fd, F_GETFL, 0)) < 0)
+               return (NULL);
+       tmp = fdflags & O_ACCMODE;
+       if (tmp != O_RDWR && (tmp != (oflags & O_ACCMODE))) {
+               errno = EINVAL;
+               return (NULL);
+       }
+
+       if ((fp = __sfp(COUNT)) == NULL)
+               return (NULL);
+       fp->_flags = flags;
+       /*
+        * If opened for appending, but underlying descriptor does not have
+        * O_APPEND bit set, assert __SAPP so that __swrite() caller
+        * will _sseek() to the end before write.
+        */
+       if ((oflags & O_APPEND) && !(fdflags & O_APPEND))
+               fp->_flags |= __SAPP;
+       fp->_file = fd;
+       fp->_cookie = fp;
+       fp->_read = __sread;
+       fp->_write = __swrite;
+       fp->_seek = __sseek;
+       fp->_close = __sclose;
+       return (fp);
+}