diff options
Diffstat (limited to 'libc/dprintf.c')
-rw-r--r-- | libc/dprintf.c | 56 |
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); +} |