printf.c

/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014 Damien P. George
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <stdint.h>
#include <string.h>
#include <stdarg.h>

#include "py/obj.h"
#include "py/mphal.h"

#if MICROPY_PY_BUILTINS_FLOAT
#include "py/formatfloat.h"
#endif

#undef putchar  // Some stdlibs have a #define for putchar
int printf(const char *fmt, ...);
int vprintf(const char *fmt, va_list ap);
int putchar(int c);
int puts(const char *s);
int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
int snprintf(char *str, size_t size, const char *fmt, ...);

int printf(const char *fmt, ...) {
    va_list ap;
    va_start(ap, fmt);
    int ret = mp_vprintf(&mp_plat_print, fmt, ap);
    va_end(ap);
    return ret;
}

int vprintf(const char *fmt, va_list ap) {
    return mp_vprintf(&mp_plat_print, fmt, ap);
}

#if MICROPY_DEBUG_PRINTERS
int DEBUG_printf(const char *fmt, ...) {
    va_list ap;
    va_start(ap, fmt);
    #ifndef MICROPY_DEBUG_PRINTER_DEST
    #define MICROPY_DEBUG_PRINTER_DEST mp_plat_print
    #endif
    extern const mp_print_t MICROPY_DEBUG_PRINTER_DEST;
    int ret = mp_vprintf(&MICROPY_DEBUG_PRINTER_DEST, fmt, ap);
    va_end(ap);
    return ret;
}
#endif