| // Copyright 2016 The Fuchsia Authors. All rights reserved. |
| // Copyright (c) 2008 Travis Geiselbrecht |
| |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_FIRMWARE_GIGABOOT_INCLUDE_PRINTF_H_ |
| #define SRC_FIRMWARE_GIGABOOT_INCLUDE_PRINTF_H_ |
| |
| #include <stdarg.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <uchar.h> |
| #include <zircon/compiler.h> |
| |
| __BEGIN_CDECLS |
| |
| int printf(const char *fmt, ...) __PRINTFLIKE(1, 2); |
| int vprintf(const char *fmt, va_list ap); |
| int sprintf(char *str, const char *fmt, ...) __PRINTFLIKE(2, 3); |
| int snprintf(char *str, size_t len, const char *fmt, ...) __PRINTFLIKE(3, 4); |
| int vsprintf(char *str, const char *fmt, va_list ap); |
| int vsnprintf(char *str, size_t len, const char *fmt, va_list ap); |
| |
| #define fprintf(fd, x...) printf(x) |
| |
| /* 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 (or null on string), |
| * 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); |
| |
| // Print a wide string to console |
| int puts16(char16_t *str); |
| int write_to_serial(char16_t *buffer, uint64_t len); |
| |
| __END_CDECLS |
| |
| #endif // SRC_FIRMWARE_GIGABOOT_INCLUDE_PRINTF_H_ |