| /* |
| * Copyright (c) 2008 Travis Geiselbrecht |
| * |
| * Use of this source code is governed by a MIT-style |
| * license that can be found in the LICENSE file or at |
| * https://opensource.org/licenses/MIT |
| */ |
| #pragma once |
| |
| #include <stdarg.h> |
| #include <lk/compiler.h> |
| #include <stddef.h> |
| |
| __BEGIN_CDECLS |
| |
| /* printf engine that parses the format string and generates output */ |
| |
| /* function pointer to pass the printf engine, called back during the formatting. |
| * input is a string to output, length bytes to output, |
| * return code is number of characters that would have been written, or error code (if negative) |
| */ |
| typedef int (*_printf_engine_output_func)(const char *str, size_t len, void *state); |
| |
| int _printf_engine(_printf_engine_output_func out, void *state, const char *fmt, va_list ap); |
| |
| __END_CDECLS |
| |
