1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libc/stdio/vdprintf.c b/lib/libc/stdio/vdprintf.c
new file mode 100644
index 0000000..2703022
--- /dev/null
+++ b/lib/libc/stdio/vdprintf.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "namespace.h"
+#include <errno.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include "un-namespace.h"
+
+#include "local.h"
+
+int
+vdprintf(int fd, const char * __restrict fmt, va_list ap)
+{
+	FILE f;
+	unsigned char buf[BUFSIZ];
+	int ret;
+
+	if (fd > SHRT_MAX) {
+		errno = EMFILE;
+		return (EOF);
+	}
+
+	f._p = buf;
+	f._w = sizeof(buf);
+	f._flags = __SWR;
+	f._file = fd;
+	f._cookie = &f;
+	f._write = __swrite;
+	f._bf._base = buf;
+	f._bf._size = sizeof(buf);
+	f._orientation = 0;
+	bzero(&f._mbstate, sizeof(f._mbstate));
+
+	if ((ret = __vfprintf(&f, fmt, ap)) < 0)
+		return (ret);
+
+	return (__fflush(&f) ? EOF : ret);
+}