aboutsummaryrefslogtreecommitdiff
path: root/libc/dprintf.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/dprintf.c')
-rw-r--r--libc/dprintf.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/libc/dprintf.c b/libc/dprintf.c
new file mode 100644
index 0000000..f54d24b
--- /dev/null
+++ b/libc/dprintf.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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 <stdarg.h>
+
+#include <boot/boot.h>
+#include "libc_private.h"
+
+static void do_nothing(void)
+{
+}
+
+static void (*dputc)(unsigned) = (void *) do_nothing;
+static void (*dflush)(void) = (void *) do_nothing;
+
+void dprintf_set_putc(void (*func)(unsigned))
+{
+ dputc = func;
+}
+void dprintf_set_flush(void (*func)(void))
+{
+ dflush = func;
+}
+
+void dprintf(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ __xprintf(fmt, ap, (void*) dputc, 0);
+ va_end(ap);
+}