Switch to POSIX dprintf/vdprintf.

Bug: 11156955
Change-Id: I734bd02db514367ab119a48304aae9767958e367

2 files changed, 121 insertions, 0 deletions

diff --git a/libc/upstream-openbsd/lib/libc/stdio/dprintf.c b/libc/upstream-openbsd/lib/libc/stdio/dprintf.c
new file mode 100644
index 0000000..dbf7d34
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/stdio/dprintf.c
@@ -0,0 +1,48 @@
+/*	$OpenBSD: dprintf.c,v 1.1 2013/01/30 00:08:13 brad Exp $	*/
+/*	$FreeBSD: src/lib/libc/stdio/dprintf.c,v 1.2 2012/11/17 01:49:39 svnexp Exp $	*/
+
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+int
+dprintf(int fd, const char * __restrict fmt, ...)
+{
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = vdprintf(fd, fmt, ap);
+	va_end(ap);
+	return ret;
+}
diff --git a/libc/upstream-openbsd/lib/libc/stdio/vdprintf.c b/libc/upstream-openbsd/lib/libc/stdio/vdprintf.c
new file mode 100644
index 0000000..49c1969
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/stdio/vdprintf.c
@@ -0,0 +1,73 @@
+/*	$OpenBSD: vdprintf.c,v 1.1 2013/01/30 00:08:13 brad Exp $	*/
+/*	$FreeBSD: src/lib/libc/stdio/vdprintf.c,v 1.4 2012/11/17 01:49:40 svnexp Exp $ */
+
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "local.h"
+
+static int
+__dwrite(void *cookie, const char *buf, int n)
+{
+	int *fdp = cookie;
+	return (write(*fdp, buf, n));
+}
+
+int
+vdprintf(int fd, const char * __restrict fmt, va_list ap)
+{
+	FILE f;
+	struct __sfileext fext;
+	unsigned char buf[BUFSIZ];
+	int ret;
+
+	_FILEEXT_SETUP(&f, &fext);
+
+	f._p = buf;
+	f._w = sizeof(buf);
+	f._flags = __SWR;
+	f._file = -1;
+	f._bf._base = buf;
+	f._bf._size = sizeof(buf);
+	f._cookie = &fd;
+	f._write = __dwrite;
+
+	if ((ret = __vfprintf(&f, fmt, ap)) < 0)
+		return ret;
+
+	return fflush(&f) ? EOF : ret;
+}