Make it so you can print outside of the emulator on mGBA
Also creates the first sketch of an infrastructure for unit testing
This commit is contained in:
parent
c41901d922
commit
5e44640407
|
@ -28,7 +28,13 @@ $input_c_files =
|
||||||
"src/c/psi.c",
|
"src/c/psi.c",
|
||||||
"src/c/title.c",
|
"src/c/title.c",
|
||||||
"src/c/luminehall.c",
|
"src/c/luminehall.c",
|
||||||
"src/c/custom_codes.c"
|
"src/c/custom_codes.c",
|
||||||
|
"src/c/first_func.c",
|
||||||
|
"src/c/tests/main_test.c",
|
||||||
|
"src/c/tests/debug_printf/test_print.c",
|
||||||
|
"src/c/tests/debug_printf/mgba.c",
|
||||||
|
"src/c/tests/debug_printf/printf.c",
|
||||||
|
"src/c/tests/debug_printf/help_funcs.c"
|
||||||
|
|
||||||
$base_c_address = 0x83755B8;
|
$base_c_address = 0x83755B8;
|
||||||
$scripttool_cmd = "bin/ScriptTool/ScriptTool.dll"
|
$scripttool_cmd = "bin/ScriptTool/ScriptTool.dll"
|
||||||
|
|
|
@ -1,5 +1,6 @@
|
||||||
#include "window.h"
|
#include "window.h"
|
||||||
|
|
||||||
|
void __attribute__((naked)) m12_first_function() {}
|
||||||
void __attribute__((naked)) cpufastset(void *source, void *dest, int mode) {}
|
void __attribute__((naked)) cpufastset(void *source, void *dest, int mode) {}
|
||||||
void __attribute__((naked)) cpuset(void *source, void *dest, int mode) {}
|
void __attribute__((naked)) cpuset(void *source, void *dest, int mode) {}
|
||||||
byte* __attribute__((naked)) m2_strlookup(int *offset_table, byte *strings, int index) {}
|
byte* __attribute__((naked)) m2_strlookup(int *offset_table, byte *strings, int index) {}
|
||||||
|
|
|
@ -0,0 +1,10 @@
|
||||||
|
#include "first_func.h"
|
||||||
|
|
||||||
|
void main_func()
|
||||||
|
{
|
||||||
|
#ifdef TEST
|
||||||
|
start_tests();
|
||||||
|
#else
|
||||||
|
m12_first_function();
|
||||||
|
#endif
|
||||||
|
}
|
|
@ -0,0 +1,5 @@
|
||||||
|
#include "tests/main_test.h"
|
||||||
|
|
||||||
|
void main_func();
|
||||||
|
|
||||||
|
extern void m12_first_function();
|
|
@ -0,0 +1,11 @@
|
||||||
|
#include "help_funcs.h"
|
||||||
|
|
||||||
|
int __aeabi_uidivmod(int dividend, int divisor)
|
||||||
|
{
|
||||||
|
return m2_remainder(dividend, divisor);
|
||||||
|
}
|
||||||
|
|
||||||
|
int __aeabi_uidiv(int dividend, int divisor)
|
||||||
|
{
|
||||||
|
return m2_div(dividend, divisor);
|
||||||
|
}
|
|
@ -0,0 +1,5 @@
|
||||||
|
int __aeabi_uidivmod(int dividend, int divisor);
|
||||||
|
int __aeabi_uidiv(int dividend, int divisor);
|
||||||
|
|
||||||
|
extern int m2_div(int dividend, int divisor);
|
||||||
|
extern int m2_remainder(int dividend, int divisor);
|
|
@ -0,0 +1,48 @@
|
||||||
|
/*
|
||||||
|
mgba.h
|
||||||
|
Copyright (c) 2016 Jeffrey Pfau
|
||||||
|
Redistribution and use in source and binary forms, with or without modification,
|
||||||
|
are permitted provided that the following conditions are met:
|
||||||
|
1. Redistributions of source code must retain the above copyright notice,
|
||||||
|
this list of conditions and the following disclaimer.
|
||||||
|
2. 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 AUTHOR ``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 AUTHOR 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 "types.h"
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include "mgba.h"
|
||||||
|
#include "printf.h"
|
||||||
|
|
||||||
|
#define REG_DEBUG_ENABLE (vu16*) 0x4FFF780
|
||||||
|
#define REG_DEBUG_FLAGS (vu16*) 0x4FFF700
|
||||||
|
#define REG_DEBUG_STRING (char*) 0x4FFF600
|
||||||
|
|
||||||
|
void mgba_printf(int level, const char* ptr, va_list args) {
|
||||||
|
#if !MODERN
|
||||||
|
level &= 0x7;
|
||||||
|
vsnprintf(REG_DEBUG_STRING, 0x100, ptr, args);
|
||||||
|
*REG_DEBUG_FLAGS = level | 0x100;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
bool8 mgba_open(void) {
|
||||||
|
*REG_DEBUG_ENABLE = 0xC0DE;
|
||||||
|
return *REG_DEBUG_ENABLE == 0x1DEA;
|
||||||
|
}
|
||||||
|
|
||||||
|
void mgba_close(void) {
|
||||||
|
*REG_DEBUG_ENABLE = 0;
|
||||||
|
}
|
|
@ -0,0 +1,39 @@
|
||||||
|
/*
|
||||||
|
mgba.h
|
||||||
|
Copyright (c) 2016 Jeffrey Pfau
|
||||||
|
Redistribution and use in source and binary forms, with or without modification,
|
||||||
|
are permitted provided that the following conditions are met:
|
||||||
|
1. Redistributions of source code must retain the above copyright notice,
|
||||||
|
this list of conditions and the following disclaimer.
|
||||||
|
2. 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 AUTHOR ``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 AUTHOR 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef MGBA_H
|
||||||
|
#define MGBA_H
|
||||||
|
|
||||||
|
#include "types.h"
|
||||||
|
#include "stdarg.h"
|
||||||
|
|
||||||
|
|
||||||
|
#define MGBA_LOG_FATAL 0
|
||||||
|
#define MGBA_LOG_ERROR 1
|
||||||
|
#define MGBA_LOG_WARN 2
|
||||||
|
#define MGBA_LOG_INFO 3
|
||||||
|
#define MGBA_LOG_DEBUG 4
|
||||||
|
|
||||||
|
void mgba_printf(int level, const char* string, va_list args);
|
||||||
|
bool8 mgba_open(void);
|
||||||
|
void mgba_close(void);
|
||||||
|
|
||||||
|
#endif
|
|
@ -0,0 +1,921 @@
|
||||||
|
///////////////////////////////////////////////////////////////////////////////
|
||||||
|
// \author (c) Marco Paland (info@paland.com)
|
||||||
|
// 2014-2019, PALANDesign Hannover, Germany
|
||||||
|
//
|
||||||
|
// \license The MIT License (MIT)
|
||||||
|
//
|
||||||
|
// 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.
|
||||||
|
//
|
||||||
|
// \brief Tiny printf, sprintf and (v)snprintf implementation, optimized for speed on
|
||||||
|
// embedded systems with a very limited resources. These routines are thread
|
||||||
|
// safe and reentrant!
|
||||||
|
// Use this instead of the bloated standard/newlib printf cause these use
|
||||||
|
// malloc for printf (and may not be thread safe).
|
||||||
|
//
|
||||||
|
///////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
#include <stdbool.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
|
||||||
|
#include "printf.h"
|
||||||
|
|
||||||
|
#define PRINTF_DISABLE_SUPPORT_EXPONENTIAL
|
||||||
|
#define PRINTF_DISABLE_SUPPORT_FLOAT
|
||||||
|
#define PRINTF_DISABLE_SUPPORT_LONG_LONG
|
||||||
|
#define PRINTF_DISABLE_SUPPORT_PTRDIFF_T
|
||||||
|
|
||||||
|
// define this globally (e.g. gcc -DPRINTF_INCLUDE_CONFIG_H ...) to include the
|
||||||
|
// printf_config.h header file
|
||||||
|
// default: undefined
|
||||||
|
|
||||||
|
|
||||||
|
// 'ntoa' conversion buffer size, this must be big enough to hold one converted
|
||||||
|
// numeric number including padded zeros (dynamically created on stack)
|
||||||
|
// default: 32 byte
|
||||||
|
#ifndef PRINTF_NTOA_BUFFER_SIZE
|
||||||
|
#define PRINTF_NTOA_BUFFER_SIZE 32U
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// 'ftoa' conversion buffer size, this must be big enough to hold one converted
|
||||||
|
// float number including padded zeros (dynamically created on stack)
|
||||||
|
// default: 32 byte
|
||||||
|
#ifndef PRINTF_FTOA_BUFFER_SIZE
|
||||||
|
#define PRINTF_FTOA_BUFFER_SIZE 32U
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// support for the floating point type (%f)
|
||||||
|
// default: activated
|
||||||
|
#ifndef PRINTF_DISABLE_SUPPORT_FLOAT
|
||||||
|
#define PRINTF_SUPPORT_FLOAT
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// support for exponential floating point notation (%e/%g)
|
||||||
|
// default: activated
|
||||||
|
#ifndef PRINTF_DISABLE_SUPPORT_EXPONENTIAL
|
||||||
|
#define PRINTF_SUPPORT_EXPONENTIAL
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// define the default floating point precision
|
||||||
|
// default: 6 digits
|
||||||
|
#ifndef PRINTF_DEFAULT_FLOAT_PRECISION
|
||||||
|
#define PRINTF_DEFAULT_FLOAT_PRECISION 6U
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// define the largest float suitable to print with %f
|
||||||
|
// default: 1e9
|
||||||
|
#ifndef PRINTF_MAX_FLOAT
|
||||||
|
#define PRINTF_MAX_FLOAT 1e9
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// support for the long long types (%llu or %p)
|
||||||
|
// default: activated
|
||||||
|
#ifndef PRINTF_DISABLE_SUPPORT_LONG_LONG
|
||||||
|
#define PRINTF_SUPPORT_LONG_LONG
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// support for the ptrdiff_t type (%t)
|
||||||
|
// ptrdiff_t is normally defined in <stddef.h> as long or long long type
|
||||||
|
// default: activated
|
||||||
|
#ifndef PRINTF_DISABLE_SUPPORT_PTRDIFF_T
|
||||||
|
#define PRINTF_SUPPORT_PTRDIFF_T
|
||||||
|
#endif
|
||||||
|
|
||||||
|
///////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
// internal flag definitions
|
||||||
|
#define FLAGS_ZEROPAD (1U << 0U)
|
||||||
|
#define FLAGS_LEFT (1U << 1U)
|
||||||
|
#define FLAGS_PLUS (1U << 2U)
|
||||||
|
#define FLAGS_SPACE (1U << 3U)
|
||||||
|
#define FLAGS_HASH (1U << 4U)
|
||||||
|
#define FLAGS_UPPERCASE (1U << 5U)
|
||||||
|
#define FLAGS_CHAR (1U << 6U)
|
||||||
|
#define FLAGS_SHORT (1U << 7U)
|
||||||
|
#define FLAGS_LONG (1U << 8U)
|
||||||
|
#define FLAGS_LONG_LONG (1U << 9U)
|
||||||
|
#define FLAGS_PRECISION (1U << 10U)
|
||||||
|
#define FLAGS_ADAPT_EXP (1U << 11U)
|
||||||
|
|
||||||
|
|
||||||
|
// import float.h for DBL_MAX
|
||||||
|
#if defined(PRINTF_SUPPORT_FLOAT)
|
||||||
|
#include <float.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
// output function type
|
||||||
|
typedef void (*out_fct_type)(char character, void* buffer, size_t idx, size_t maxlen);
|
||||||
|
|
||||||
|
|
||||||
|
// wrapper (used as buffer) for output function type
|
||||||
|
typedef struct {
|
||||||
|
void (*fct)(char character, void* arg);
|
||||||
|
void* arg;
|
||||||
|
} out_fct_wrap_type;
|
||||||
|
|
||||||
|
|
||||||
|
// internal buffer output
|
||||||
|
static inline void _out_buffer(char character, void* buffer, size_t idx, size_t maxlen)
|
||||||
|
{
|
||||||
|
if (idx < maxlen) {
|
||||||
|
((char*)buffer)[idx] = character;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal null output
|
||||||
|
static inline void _out_null(char character, void* buffer, size_t idx, size_t maxlen)
|
||||||
|
{
|
||||||
|
(void)character; (void)buffer; (void)idx; (void)maxlen;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal _putchar wrapper
|
||||||
|
static inline void _out_char(char character, void* buffer, size_t idx, size_t maxlen)
|
||||||
|
{
|
||||||
|
(void)buffer; (void)idx; (void)maxlen;
|
||||||
|
if (character) {
|
||||||
|
//_putchar(character);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal output function wrapper
|
||||||
|
static inline void _out_fct(char character, void* buffer, size_t idx, size_t maxlen)
|
||||||
|
{
|
||||||
|
(void)idx; (void)maxlen;
|
||||||
|
if (character) {
|
||||||
|
// buffer is the output fct pointer
|
||||||
|
((out_fct_wrap_type*)buffer)->fct(character, ((out_fct_wrap_type*)buffer)->arg);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal secure strlen
|
||||||
|
// \return The length of the string (excluding the terminating 0) limited by 'maxsize'
|
||||||
|
static inline unsigned int _strnlen_s(const char* str, size_t maxsize)
|
||||||
|
{
|
||||||
|
const char* s;
|
||||||
|
for (s = str; *s && maxsize--; ++s);
|
||||||
|
return (unsigned int)(s - str);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal test if char is a digit (0-9)
|
||||||
|
// \return true if char is a digit
|
||||||
|
static inline bool _is_digit(char ch)
|
||||||
|
{
|
||||||
|
return (ch >= '0') && (ch <= '9');
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal ASCII string to unsigned int conversion
|
||||||
|
static unsigned int _atoi(const char** str)
|
||||||
|
{
|
||||||
|
unsigned int i = 0U;
|
||||||
|
while (_is_digit(**str)) {
|
||||||
|
i = i * 10U + (unsigned int)(*((*str)++) - '0');
|
||||||
|
}
|
||||||
|
return i;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// output the specified string in reverse, taking care of any zero-padding
|
||||||
|
static size_t _out_rev(out_fct_type out, char* buffer, size_t idx, size_t maxlen, const char* buf, size_t len, unsigned int width, unsigned int flags)
|
||||||
|
{
|
||||||
|
const size_t start_idx = idx;
|
||||||
|
size_t i;
|
||||||
|
|
||||||
|
// pad spaces up to given width
|
||||||
|
if (!(flags & FLAGS_LEFT) && !(flags & FLAGS_ZEROPAD)) {
|
||||||
|
for (i = len; i < width; i++) {
|
||||||
|
out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// reverse string
|
||||||
|
while (len) {
|
||||||
|
out(buf[--len], buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
|
||||||
|
// append pad spaces up to given width
|
||||||
|
if (flags & FLAGS_LEFT) {
|
||||||
|
while (idx - start_idx < width) {
|
||||||
|
out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return idx;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal itoa format
|
||||||
|
static size_t _ntoa_format(out_fct_type out, char* buffer, size_t idx, size_t maxlen, char* buf, size_t len, bool negative, unsigned int base, unsigned int prec, unsigned int width, unsigned int flags)
|
||||||
|
{
|
||||||
|
// pad leading zeros
|
||||||
|
if (!(flags & FLAGS_LEFT)) {
|
||||||
|
if (width && (flags & FLAGS_ZEROPAD) && (negative || (flags & (FLAGS_PLUS | FLAGS_SPACE)))) {
|
||||||
|
width--;
|
||||||
|
}
|
||||||
|
while ((len < prec) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||||
|
buf[len++] = '0';
|
||||||
|
}
|
||||||
|
while ((flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||||
|
buf[len++] = '0';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// handle hash
|
||||||
|
if (flags & FLAGS_HASH) {
|
||||||
|
if (!(flags & FLAGS_PRECISION) && len && ((len == prec) || (len == width))) {
|
||||||
|
len--;
|
||||||
|
if (len && (base == 16U)) {
|
||||||
|
len--;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if ((base == 16U) && !(flags & FLAGS_UPPERCASE) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||||
|
buf[len++] = 'x';
|
||||||
|
}
|
||||||
|
else if ((base == 16U) && (flags & FLAGS_UPPERCASE) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||||
|
buf[len++] = 'X';
|
||||||
|
}
|
||||||
|
else if ((base == 2U) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||||
|
buf[len++] = 'b';
|
||||||
|
}
|
||||||
|
if (len < PRINTF_NTOA_BUFFER_SIZE) {
|
||||||
|
buf[len++] = '0';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (len < PRINTF_NTOA_BUFFER_SIZE) {
|
||||||
|
if (negative) {
|
||||||
|
buf[len++] = '-';
|
||||||
|
}
|
||||||
|
else if (flags & FLAGS_PLUS) {
|
||||||
|
buf[len++] = '+'; // ignore the space if the '+' exists
|
||||||
|
}
|
||||||
|
else if (flags & FLAGS_SPACE) {
|
||||||
|
buf[len++] = ' ';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return _out_rev(out, buffer, idx, maxlen, buf, len, width, flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal itoa for 'long' type
|
||||||
|
static size_t _ntoa_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long value, bool negative, unsigned long base, unsigned int prec, unsigned int width, unsigned int flags)
|
||||||
|
{
|
||||||
|
char buf[PRINTF_NTOA_BUFFER_SIZE];
|
||||||
|
size_t len = 0U;
|
||||||
|
|
||||||
|
// no hash for 0 values
|
||||||
|
if (!value) {
|
||||||
|
flags &= ~FLAGS_HASH;
|
||||||
|
}
|
||||||
|
|
||||||
|
// write if precision != 0 and value is != 0
|
||||||
|
if (!(flags & FLAGS_PRECISION) || value) {
|
||||||
|
do {
|
||||||
|
const char digit = (char)(value % base);
|
||||||
|
buf[len++] = digit < 10 ? '0' + digit : (flags & FLAGS_UPPERCASE ? 'A' : 'a') + digit - 10;
|
||||||
|
value /= base;
|
||||||
|
} while (value && (len < PRINTF_NTOA_BUFFER_SIZE));
|
||||||
|
}
|
||||||
|
|
||||||
|
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int)base, prec, width, flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// internal itoa for 'long long' type
|
||||||
|
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||||
|
static size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long long value, bool negative, unsigned long long base, unsigned int prec, unsigned int width, unsigned int flags)
|
||||||
|
{
|
||||||
|
char buf[PRINTF_NTOA_BUFFER_SIZE];
|
||||||
|
size_t len = 0U;
|
||||||
|
|
||||||
|
// no hash for 0 values
|
||||||
|
if (!value) {
|
||||||
|
flags &= ~FLAGS_HASH;
|
||||||
|
}
|
||||||
|
|
||||||
|
// write if precision != 0 and value is != 0
|
||||||
|
if (!(flags & FLAGS_PRECISION) || value) {
|
||||||
|
do {
|
||||||
|
const char digit = (char)(value % base);
|
||||||
|
buf[len++] = digit < 10 ? '0' + digit : (flags & FLAGS_UPPERCASE ? 'A' : 'a') + digit - 10;
|
||||||
|
value /= base;
|
||||||
|
} while (value && (len < PRINTF_NTOA_BUFFER_SIZE));
|
||||||
|
}
|
||||||
|
|
||||||
|
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int)base, prec, width, flags);
|
||||||
|
}
|
||||||
|
#endif // PRINTF_SUPPORT_LONG_LONG
|
||||||
|
|
||||||
|
|
||||||
|
#if defined(PRINTF_SUPPORT_FLOAT)
|
||||||
|
|
||||||
|
#if defined(PRINTF_SUPPORT_EXPONENTIAL)
|
||||||
|
// forward declaration so that _ftoa can switch to exp notation for values > PRINTF_MAX_FLOAT
|
||||||
|
static size_t _etoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width, unsigned int flags);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
// internal ftoa for fixed decimal floating point
|
||||||
|
static size_t _ftoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width, unsigned int flags)
|
||||||
|
{
|
||||||
|
char buf[PRINTF_FTOA_BUFFER_SIZE];
|
||||||
|
size_t len = 0U;
|
||||||
|
double diff = 0.0;
|
||||||
|
|
||||||
|
// powers of 10
|
||||||
|
static const double pow10[] = { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000 };
|
||||||
|
|
||||||
|
// test for special values
|
||||||
|
if (value != value)
|
||||||
|
return _out_rev(out, buffer, idx, maxlen, "nan", 3, width, flags);
|
||||||
|
if (value < -DBL_MAX)
|
||||||
|
return _out_rev(out, buffer, idx, maxlen, "fni-", 4, width, flags);
|
||||||
|
if (value > DBL_MAX)
|
||||||
|
return _out_rev(out, buffer, idx, maxlen, (flags & FLAGS_PLUS) ? "fni+" : "fni", (flags & FLAGS_PLUS) ? 4U : 3U, width, flags);
|
||||||
|
|
||||||
|
// test for very large values
|
||||||
|
// standard printf behavior is to print EVERY whole number digit -- which could be 100s of characters overflowing your buffers == bad
|
||||||
|
if ((value > PRINTF_MAX_FLOAT) || (value < -PRINTF_MAX_FLOAT)) {
|
||||||
|
#if defined(PRINTF_SUPPORT_EXPONENTIAL)
|
||||||
|
return _etoa(out, buffer, idx, maxlen, value, prec, width, flags);
|
||||||
|
#else
|
||||||
|
return 0U;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
// test for negative
|
||||||
|
bool negative = false;
|
||||||
|
if (value < 0) {
|
||||||
|
negative = true;
|
||||||
|
value = 0 - value;
|
||||||
|
}
|
||||||
|
|
||||||
|
// set default precision, if not set explicitly
|
||||||
|
if (!(flags & FLAGS_PRECISION)) {
|
||||||
|
prec = PRINTF_DEFAULT_FLOAT_PRECISION;
|
||||||
|
}
|
||||||
|
// limit precision to 9, cause a prec >= 10 can lead to overflow errors
|
||||||
|
while ((len < PRINTF_FTOA_BUFFER_SIZE) && (prec > 9U)) {
|
||||||
|
buf[len++] = '0';
|
||||||
|
prec--;
|
||||||
|
}
|
||||||
|
|
||||||
|
int whole = (int)value;
|
||||||
|
double tmp = (value - whole) * pow10[prec];
|
||||||
|
unsigned long frac = (unsigned long)tmp;
|
||||||
|
diff = tmp - frac;
|
||||||
|
|
||||||
|
if (diff > 0.5) {
|
||||||
|
++frac;
|
||||||
|
// handle rollover, e.g. case 0.99 with prec 1 is 1.0
|
||||||
|
if (frac >= pow10[prec]) {
|
||||||
|
frac = 0;
|
||||||
|
++whole;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (diff < 0.5) {
|
||||||
|
}
|
||||||
|
else if ((frac == 0U) || (frac & 1U)) {
|
||||||
|
// if halfway, round up if odd OR if last digit is 0
|
||||||
|
++frac;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (prec == 0U) {
|
||||||
|
diff = value - (double)whole;
|
||||||
|
if ((!(diff < 0.5) || (diff > 0.5)) && (whole & 1)) {
|
||||||
|
// exactly 0.5 and ODD, then round up
|
||||||
|
// 1.5 -> 2, but 2.5 -> 2
|
||||||
|
++whole;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
unsigned int count = prec;
|
||||||
|
// now do fractional part, as an unsigned number
|
||||||
|
while (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||||
|
--count;
|
||||||
|
buf[len++] = (char)(48U + (frac % 10U));
|
||||||
|
if (!(frac /= 10U)) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// add extra 0s
|
||||||
|
while ((len < PRINTF_FTOA_BUFFER_SIZE) && (count-- > 0U)) {
|
||||||
|
buf[len++] = '0';
|
||||||
|
}
|
||||||
|
if (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||||
|
// add decimal
|
||||||
|
buf[len++] = '.';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// do whole part, number is reversed
|
||||||
|
while (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||||
|
buf[len++] = (char)(48 + (whole % 10));
|
||||||
|
if (!(whole /= 10)) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// pad leading zeros
|
||||||
|
if (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD)) {
|
||||||
|
if (width && (negative || (flags & (FLAGS_PLUS | FLAGS_SPACE)))) {
|
||||||
|
width--;
|
||||||
|
}
|
||||||
|
while ((len < width) && (len < PRINTF_FTOA_BUFFER_SIZE)) {
|
||||||
|
buf[len++] = '0';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||||
|
if (negative) {
|
||||||
|
buf[len++] = '-';
|
||||||
|
}
|
||||||
|
else if (flags & FLAGS_PLUS) {
|
||||||
|
buf[len++] = '+'; // ignore the space if the '+' exists
|
||||||
|
}
|
||||||
|
else if (flags & FLAGS_SPACE) {
|
||||||
|
buf[len++] = ' ';
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return _out_rev(out, buffer, idx, maxlen, buf, len, width, flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#if defined(PRINTF_SUPPORT_EXPONENTIAL)
|
||||||
|
// internal ftoa variant for exponential floating-point type, contributed by Martijn Jasperse <m.jasperse@gmail.com>
|
||||||
|
static size_t _etoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width, unsigned int flags)
|
||||||
|
{
|
||||||
|
// check for NaN and special values
|
||||||
|
if ((value != value) || (value > DBL_MAX) || (value < -DBL_MAX)) {
|
||||||
|
return _ftoa(out, buffer, idx, maxlen, value, prec, width, flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
// determine the sign
|
||||||
|
const bool negative = value < 0;
|
||||||
|
if (negative) {
|
||||||
|
value = -value;
|
||||||
|
}
|
||||||
|
|
||||||
|
// default precision
|
||||||
|
if (!(flags & FLAGS_PRECISION)) {
|
||||||
|
prec = PRINTF_DEFAULT_FLOAT_PRECISION;
|
||||||
|
}
|
||||||
|
|
||||||
|
// determine the decimal exponent
|
||||||
|
// based on the algorithm by David Gay (https://www.ampl.com/netlib/fp/dtoa.c)
|
||||||
|
union {
|
||||||
|
uint64_t U;
|
||||||
|
double F;
|
||||||
|
} conv;
|
||||||
|
|
||||||
|
conv.F = value;
|
||||||
|
int exp2 = (int)((conv.U >> 52U) & 0x07FFU) - 1023; // effectively log2
|
||||||
|
conv.U = (conv.U & ((1ULL << 52U) - 1U)) | (1023ULL << 52U); // drop the exponent so conv.F is now in [1,2)
|
||||||
|
// now approximate log10 from the log2 integer part and an expansion of ln around 1.5
|
||||||
|
int expval = (int)(0.1760912590558 + exp2 * 0.301029995663981 + (conv.F - 1.5) * 0.289529654602168);
|
||||||
|
// now we want to compute 10^expval but we want to be sure it won't overflow
|
||||||
|
exp2 = (int)(expval * 3.321928094887362 + 0.5);
|
||||||
|
const double z = expval * 2.302585092994046 - exp2 * 0.6931471805599453;
|
||||||
|
const double z2 = z * z;
|
||||||
|
conv.U = (uint64_t)(exp2 + 1023) << 52U;
|
||||||
|
// compute exp(z) using continued fractions, see https://en.wikipedia.org/wiki/Exponential_function#Continued_fractions_for_ex
|
||||||
|
conv.F *= 1 + 2 * z / (2 - z + (z2 / (6 + (z2 / (10 + z2 / 14)))));
|
||||||
|
// correct for rounding errors
|
||||||
|
if (value < conv.F) {
|
||||||
|
expval--;
|
||||||
|
conv.F /= 10;
|
||||||
|
}
|
||||||
|
|
||||||
|
// the exponent format is "%+03d" and largest value is "307", so set aside 4-5 characters
|
||||||
|
unsigned int minwidth = ((expval < 100) && (expval > -100)) ? 4U : 5U;
|
||||||
|
|
||||||
|
// in "%g" mode, "prec" is the number of *significant figures* not decimals
|
||||||
|
if (flags & FLAGS_ADAPT_EXP) {
|
||||||
|
// do we want to fall-back to "%f" mode?
|
||||||
|
if ((value >= 1e-4) && (value < 1e6)) {
|
||||||
|
if ((int)prec > expval) {
|
||||||
|
prec = (unsigned)((int)prec - expval - 1);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
prec = 0;
|
||||||
|
}
|
||||||
|
flags |= FLAGS_PRECISION; // make sure _ftoa respects precision
|
||||||
|
// no characters in exponent
|
||||||
|
minwidth = 0U;
|
||||||
|
expval = 0;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
// we use one sigfig for the whole part
|
||||||
|
if ((prec > 0) && (flags & FLAGS_PRECISION)) {
|
||||||
|
--prec;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// will everything fit?
|
||||||
|
unsigned int fwidth = width;
|
||||||
|
if (width > minwidth) {
|
||||||
|
// we didn't fall-back so subtract the characters required for the exponent
|
||||||
|
fwidth -= minwidth;
|
||||||
|
} else {
|
||||||
|
// not enough characters, so go back to default sizing
|
||||||
|
fwidth = 0U;
|
||||||
|
}
|
||||||
|
if ((flags & FLAGS_LEFT) && minwidth) {
|
||||||
|
// if we're padding on the right, DON'T pad the floating part
|
||||||
|
fwidth = 0U;
|
||||||
|
}
|
||||||
|
|
||||||
|
// rescale the float value
|
||||||
|
if (expval) {
|
||||||
|
value /= conv.F;
|
||||||
|
}
|
||||||
|
|
||||||
|
// output the floating part
|
||||||
|
const size_t start_idx = idx;
|
||||||
|
idx = _ftoa(out, buffer, idx, maxlen, negative ? -value : value, prec, fwidth, flags & ~FLAGS_ADAPT_EXP);
|
||||||
|
|
||||||
|
// output the exponent part
|
||||||
|
if (minwidth) {
|
||||||
|
// output the exponential symbol
|
||||||
|
out((flags & FLAGS_UPPERCASE) ? 'E' : 'e', buffer, idx++, maxlen);
|
||||||
|
// output the exponent value
|
||||||
|
idx = _ntoa_long(out, buffer, idx, maxlen, (expval < 0) ? -expval : expval, expval < 0, 10, 0, minwidth-1, FLAGS_ZEROPAD | FLAGS_PLUS);
|
||||||
|
// might need to right-pad spaces
|
||||||
|
if (flags & FLAGS_LEFT) {
|
||||||
|
while (idx - start_idx < width) out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return idx;
|
||||||
|
}
|
||||||
|
#endif // PRINTF_SUPPORT_EXPONENTIAL
|
||||||
|
#endif // PRINTF_SUPPORT_FLOAT
|
||||||
|
|
||||||
|
|
||||||
|
// internal vsnprintf
|
||||||
|
static int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char* format, va_list va)
|
||||||
|
{
|
||||||
|
unsigned int flags, width, precision, n;
|
||||||
|
size_t idx = 0U;
|
||||||
|
|
||||||
|
if (!buffer) {
|
||||||
|
// use null output function
|
||||||
|
out = _out_null;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (*format)
|
||||||
|
{
|
||||||
|
// format specifier? %[flags][width][.precision][length]
|
||||||
|
if (*format != '%') {
|
||||||
|
// no
|
||||||
|
out(*format, buffer, idx++, maxlen);
|
||||||
|
format++;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
// yes, evaluate it
|
||||||
|
format++;
|
||||||
|
}
|
||||||
|
|
||||||
|
// evaluate flags
|
||||||
|
flags = 0U;
|
||||||
|
do {
|
||||||
|
switch (*format) {
|
||||||
|
case '0': flags |= FLAGS_ZEROPAD; format++; n = 1U; break;
|
||||||
|
case '-': flags |= FLAGS_LEFT; format++; n = 1U; break;
|
||||||
|
case '+': flags |= FLAGS_PLUS; format++; n = 1U; break;
|
||||||
|
case ' ': flags |= FLAGS_SPACE; format++; n = 1U; break;
|
||||||
|
case '#': flags |= FLAGS_HASH; format++; n = 1U; break;
|
||||||
|
default : n = 0U; break;
|
||||||
|
}
|
||||||
|
} while (n);
|
||||||
|
|
||||||
|
// evaluate width field
|
||||||
|
width = 0U;
|
||||||
|
if (_is_digit(*format)) {
|
||||||
|
width = _atoi(&format);
|
||||||
|
}
|
||||||
|
else if (*format == '*') {
|
||||||
|
const int w = va_arg(va, int);
|
||||||
|
if (w < 0) {
|
||||||
|
flags |= FLAGS_LEFT; // reverse padding
|
||||||
|
width = (unsigned int)-w;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
width = (unsigned int)w;
|
||||||
|
}
|
||||||
|
format++;
|
||||||
|
}
|
||||||
|
|
||||||
|
// evaluate precision field
|
||||||
|
precision = 0U;
|
||||||
|
if (*format == '.') {
|
||||||
|
flags |= FLAGS_PRECISION;
|
||||||
|
format++;
|
||||||
|
if (_is_digit(*format)) {
|
||||||
|
precision = _atoi(&format);
|
||||||
|
}
|
||||||
|
else if (*format == '*') {
|
||||||
|
const int prec = (int)va_arg(va, int);
|
||||||
|
precision = prec > 0 ? (unsigned int)prec : 0U;
|
||||||
|
format++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// evaluate length field
|
||||||
|
switch (*format) {
|
||||||
|
case 'l' :
|
||||||
|
flags |= FLAGS_LONG;
|
||||||
|
format++;
|
||||||
|
if (*format == 'l') {
|
||||||
|
flags |= FLAGS_LONG_LONG;
|
||||||
|
format++;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case 'h' :
|
||||||
|
flags |= FLAGS_SHORT;
|
||||||
|
format++;
|
||||||
|
if (*format == 'h') {
|
||||||
|
flags |= FLAGS_CHAR;
|
||||||
|
format++;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
#if defined(PRINTF_SUPPORT_PTRDIFF_T)
|
||||||
|
case 't' :
|
||||||
|
flags |= (sizeof(ptrdiff_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
case 'j' :
|
||||||
|
flags |= (sizeof(intmax_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
case 'z' :
|
||||||
|
flags |= (sizeof(size_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
default :
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
// evaluate specifier
|
||||||
|
switch (*format) {
|
||||||
|
case 'd' :
|
||||||
|
case 'i' :
|
||||||
|
case 'u' :
|
||||||
|
case 'x' :
|
||||||
|
case 'X' :
|
||||||
|
case 'o' :
|
||||||
|
case 'b' : {
|
||||||
|
// set the base
|
||||||
|
unsigned int base;
|
||||||
|
if (*format == 'x' || *format == 'X') {
|
||||||
|
base = 16U;
|
||||||
|
}
|
||||||
|
else if (*format == 'o') {
|
||||||
|
base = 8U;
|
||||||
|
}
|
||||||
|
else if (*format == 'b') {
|
||||||
|
base = 2U;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
base = 10U;
|
||||||
|
flags &= ~FLAGS_HASH; // no hash for dec format
|
||||||
|
}
|
||||||
|
// uppercase
|
||||||
|
if (*format == 'X') {
|
||||||
|
flags |= FLAGS_UPPERCASE;
|
||||||
|
}
|
||||||
|
|
||||||
|
// no plus or space flag for u, x, X, o, b
|
||||||
|
if ((*format != 'i') && (*format != 'd')) {
|
||||||
|
flags &= ~(FLAGS_PLUS | FLAGS_SPACE);
|
||||||
|
}
|
||||||
|
|
||||||
|
// ignore '0' flag when precision is given
|
||||||
|
if (flags & FLAGS_PRECISION) {
|
||||||
|
flags &= ~FLAGS_ZEROPAD;
|
||||||
|
}
|
||||||
|
|
||||||
|
// convert the integer
|
||||||
|
if ((*format == 'i') || (*format == 'd')) {
|
||||||
|
// signed
|
||||||
|
if (flags & FLAGS_LONG_LONG) {
|
||||||
|
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||||
|
const long long value = va_arg(va, long long);
|
||||||
|
idx = _ntoa_long_long(out, buffer, idx, maxlen, (unsigned long long)(value > 0 ? value : 0 - value), value < 0, base, precision, width, flags);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
else if (flags & FLAGS_LONG) {
|
||||||
|
const long value = va_arg(va, long);
|
||||||
|
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long)(value > 0 ? value : 0 - value), value < 0, base, precision, width, flags);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
const int value = (flags & FLAGS_CHAR) ? (char)va_arg(va, int) : (flags & FLAGS_SHORT) ? (short int)va_arg(va, int) : va_arg(va, int);
|
||||||
|
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned int)(value > 0 ? value : 0 - value), value < 0, base, precision, width, flags);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
// unsigned
|
||||||
|
if (flags & FLAGS_LONG_LONG) {
|
||||||
|
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||||
|
idx = _ntoa_long_long(out, buffer, idx, maxlen, va_arg(va, unsigned long long), false, base, precision, width, flags);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
else if (flags & FLAGS_LONG) {
|
||||||
|
idx = _ntoa_long(out, buffer, idx, maxlen, va_arg(va, unsigned long), false, base, precision, width, flags);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
const unsigned int value = (flags & FLAGS_CHAR) ? (unsigned char)va_arg(va, unsigned int) : (flags & FLAGS_SHORT) ? (unsigned short int)va_arg(va, unsigned int) : va_arg(va, unsigned int);
|
||||||
|
idx = _ntoa_long(out, buffer, idx, maxlen, value, false, base, precision, width, flags);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
#if defined(PRINTF_SUPPORT_FLOAT)
|
||||||
|
case 'f' :
|
||||||
|
case 'F' :
|
||||||
|
if (*format == 'F') flags |= FLAGS_UPPERCASE;
|
||||||
|
idx = _ftoa(out, buffer, idx, maxlen, va_arg(va, double), precision, width, flags);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
#if defined(PRINTF_SUPPORT_EXPONENTIAL)
|
||||||
|
case 'e':
|
||||||
|
case 'E':
|
||||||
|
case 'g':
|
||||||
|
case 'G':
|
||||||
|
if ((*format == 'g')||(*format == 'G')) flags |= FLAGS_ADAPT_EXP;
|
||||||
|
if ((*format == 'E')||(*format == 'G')) flags |= FLAGS_UPPERCASE;
|
||||||
|
idx = _etoa(out, buffer, idx, maxlen, va_arg(va, double), precision, width, flags);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
#endif // PRINTF_SUPPORT_EXPONENTIAL
|
||||||
|
#endif // PRINTF_SUPPORT_FLOAT
|
||||||
|
case 'c' : {
|
||||||
|
unsigned int l = 1U;
|
||||||
|
// pre padding
|
||||||
|
if (!(flags & FLAGS_LEFT)) {
|
||||||
|
while (l++ < width) {
|
||||||
|
out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// char output
|
||||||
|
out((char)va_arg(va, int), buffer, idx++, maxlen);
|
||||||
|
// post padding
|
||||||
|
if (flags & FLAGS_LEFT) {
|
||||||
|
while (l++ < width) {
|
||||||
|
out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case 's' : {
|
||||||
|
const char* p = va_arg(va, char*);
|
||||||
|
unsigned int l = _strnlen_s(p, precision ? precision : (size_t)-1);
|
||||||
|
// pre padding
|
||||||
|
if (flags & FLAGS_PRECISION) {
|
||||||
|
l = (l < precision ? l : precision);
|
||||||
|
}
|
||||||
|
if (!(flags & FLAGS_LEFT)) {
|
||||||
|
while (l++ < width) {
|
||||||
|
out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// string output
|
||||||
|
while ((*p != 0) && (!(flags & FLAGS_PRECISION) || precision--)) {
|
||||||
|
out(*(p++), buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
// post padding
|
||||||
|
if (flags & FLAGS_LEFT) {
|
||||||
|
while (l++ < width) {
|
||||||
|
out(' ', buffer, idx++, maxlen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case 'p' : {
|
||||||
|
width = sizeof(void*) * 2U;
|
||||||
|
flags |= FLAGS_ZEROPAD | FLAGS_UPPERCASE;
|
||||||
|
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||||
|
const bool is_ll = sizeof(uintptr_t) == sizeof(long long);
|
||||||
|
if (is_ll) {
|
||||||
|
idx = _ntoa_long_long(out, buffer, idx, maxlen, (uintptr_t)va_arg(va, void*), false, 16U, precision, width, flags);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
#endif
|
||||||
|
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long)((uintptr_t)va_arg(va, void*)), false, 16U, precision, width, flags);
|
||||||
|
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case '%' :
|
||||||
|
out('%', buffer, idx++, maxlen);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
|
||||||
|
default :
|
||||||
|
out(*format, buffer, idx++, maxlen);
|
||||||
|
format++;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// termination
|
||||||
|
out((char)0, buffer, idx < maxlen ? idx : maxlen - 1U, maxlen);
|
||||||
|
|
||||||
|
// return written chars without terminating \0
|
||||||
|
return (int)idx;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
///////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
int printf_(const char* format, ...)
|
||||||
|
{
|
||||||
|
va_list va;
|
||||||
|
char buffer[1];
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
va_start(va, format);
|
||||||
|
ret = _vsnprintf(_out_char, buffer, (size_t)-1, format, va);
|
||||||
|
va_end(va);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int sprintf_(char* buffer, const char* format, ...)
|
||||||
|
{
|
||||||
|
va_list va;
|
||||||
|
int ret;
|
||||||
|
va_start(va, format);
|
||||||
|
ret = _vsnprintf(_out_buffer, buffer, (size_t)-1, format, va);
|
||||||
|
va_end(va);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int snprintf_(char* buffer, size_t count, const char* format, ...)
|
||||||
|
{
|
||||||
|
va_list va;
|
||||||
|
int ret;
|
||||||
|
va_start(va, format);
|
||||||
|
ret = _vsnprintf(_out_buffer, buffer, count, format, va);
|
||||||
|
va_end(va);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int vprintf_(const char* format, va_list va)
|
||||||
|
{
|
||||||
|
char buffer[1];
|
||||||
|
return _vsnprintf(_out_char, buffer, (size_t)-1, format, va);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int vsnprintf_(char* buffer, size_t count, const char* format, va_list va)
|
||||||
|
{
|
||||||
|
return _vsnprintf(_out_buffer, buffer, count, format, va);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int fctprintf(void (*out)(char character, void* arg), void* arg, const char* format, ...)
|
||||||
|
{
|
||||||
|
va_list va;
|
||||||
|
const out_fct_wrap_type out_fct_wrap = { out, arg };
|
||||||
|
int ret;
|
||||||
|
va_start(va, format);
|
||||||
|
ret = _vsnprintf(_out_fct, (char*)(uintptr_t)&out_fct_wrap, (size_t)-1, format, va);
|
||||||
|
va_end(va);
|
||||||
|
return ret;
|
||||||
|
}
|
|
@ -0,0 +1,117 @@
|
||||||
|
///////////////////////////////////////////////////////////////////////////////
|
||||||
|
// \author (c) Marco Paland (info@paland.com)
|
||||||
|
// 2014-2019, PALANDesign Hannover, Germany
|
||||||
|
//
|
||||||
|
// \license The MIT License (MIT)
|
||||||
|
//
|
||||||
|
// 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.
|
||||||
|
//
|
||||||
|
// \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on
|
||||||
|
// embedded systems with a very limited resources.
|
||||||
|
// Use this instead of bloated standard/newlib printf.
|
||||||
|
// These routines are thread safe and reentrant.
|
||||||
|
//
|
||||||
|
///////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
#ifndef _PRINTF_H_
|
||||||
|
#define _PRINTF_H_
|
||||||
|
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stddef.h>
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Output a character to a custom device like UART, used by the printf() function
|
||||||
|
* This function is declared here only. You have to write your custom implementation somewhere
|
||||||
|
* \param character Character to output
|
||||||
|
*/
|
||||||
|
void _putchar(char character);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tiny printf implementation
|
||||||
|
* You have to implement _putchar if you use printf()
|
||||||
|
* To avoid conflicts with the regular printf() API it is overridden by macro defines
|
||||||
|
* and internal underscore-appended functions like printf_() are used
|
||||||
|
* \param format A string that specifies the format of the output
|
||||||
|
* \return The number of characters that are written into the array, not counting the terminating null character
|
||||||
|
*/
|
||||||
|
#define printf printf_
|
||||||
|
int printf_(const char* format, ...);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tiny sprintf implementation
|
||||||
|
* Due to security reasons (buffer overflow) YOU SHOULD CONSIDER USING (V)SNPRINTF INSTEAD!
|
||||||
|
* \param buffer A pointer to the buffer where to store the formatted string. MUST be big enough to store the output!
|
||||||
|
* \param format A string that specifies the format of the output
|
||||||
|
* \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character
|
||||||
|
*/
|
||||||
|
#define sprintf sprintf_
|
||||||
|
int sprintf_(char* buffer, const char* format, ...);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tiny snprintf/vsnprintf implementation
|
||||||
|
* \param buffer A pointer to the buffer where to store the formatted string
|
||||||
|
* \param count The maximum number of characters to store in the buffer, including a terminating null character
|
||||||
|
* \param format A string that specifies the format of the output
|
||||||
|
* \param va A value identifying a variable arguments list
|
||||||
|
* \return The number of characters that COULD have been written into the buffer, not counting the terminating
|
||||||
|
* null character. A value equal or larger than count indicates truncation. Only when the returned value
|
||||||
|
* is non-negative and less than count, the string has been completely written.
|
||||||
|
*/
|
||||||
|
#define snprintf snprintf_
|
||||||
|
#define vsnprintf vsnprintf_
|
||||||
|
int snprintf_(char* buffer, size_t count, const char* format, ...);
|
||||||
|
int vsnprintf_(char* buffer, size_t count, const char* format, va_list va);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tiny vprintf implementation
|
||||||
|
* \param format A string that specifies the format of the output
|
||||||
|
* \param va A value identifying a variable arguments list
|
||||||
|
* \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character
|
||||||
|
*/
|
||||||
|
#define vprintf vprintf_
|
||||||
|
int vprintf_(const char* format, va_list va);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* printf with output function
|
||||||
|
* You may use this as dynamic alternative to printf() with its fixed _putchar() output
|
||||||
|
* \param out An output function which takes one character and an argument pointer
|
||||||
|
* \param arg An argument pointer for user data passed to output function
|
||||||
|
* \param format A string that specifies the format of the output
|
||||||
|
* \return The number of characters that are sent to the output function, not counting the terminating null character
|
||||||
|
*/
|
||||||
|
int fctprintf(void (*out)(char character, void* arg), void* arg, const char* format, ...);
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
#endif // _PRINTF_H_
|
|
@ -0,0 +1,23 @@
|
||||||
|
#include "test_print.h"
|
||||||
|
#include "mgba.h"
|
||||||
|
#include <stdarg.h>
|
||||||
|
|
||||||
|
|
||||||
|
void test_printf(const char* ptr, ...) {
|
||||||
|
va_list args;
|
||||||
|
va_start(args, ptr);
|
||||||
|
mgba_printf(MGBA_LOG_DEBUG, ptr, args);
|
||||||
|
va_end(args);
|
||||||
|
}
|
||||||
|
|
||||||
|
void start_session()
|
||||||
|
{
|
||||||
|
mgba_open();
|
||||||
|
test_printf("Starting...");
|
||||||
|
}
|
||||||
|
|
||||||
|
void end_session()
|
||||||
|
{
|
||||||
|
test_printf("Done!");
|
||||||
|
mgba_close();
|
||||||
|
}
|
|
@ -0,0 +1,6 @@
|
||||||
|
#include "mgba.h"
|
||||||
|
|
||||||
|
void test_printf(const char* string, ...);
|
||||||
|
void start_session(void);
|
||||||
|
void end_session(void);
|
||||||
|
|
|
@ -0,0 +1,2 @@
|
||||||
|
typedef unsigned char bool8;
|
||||||
|
typedef volatile unsigned short vu16;
|
|
@ -0,0 +1,15 @@
|
||||||
|
#include "main_test.h"
|
||||||
|
#include "debug_printf/test_print.h"
|
||||||
|
|
||||||
|
void start_tests()
|
||||||
|
{
|
||||||
|
start_session();
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
end_session();
|
||||||
|
|
||||||
|
while(1)
|
||||||
|
vblank();
|
||||||
|
}
|
|
@ -0,0 +1,5 @@
|
||||||
|
#include "debug_printf/test_print.h"
|
||||||
|
|
||||||
|
void start_tests();
|
||||||
|
|
||||||
|
extern void vblank();
|
|
@ -2025,6 +2025,12 @@ nop
|
||||||
m12_cartridge_palettes:
|
m12_cartridge_palettes:
|
||||||
.incbin "data/m2-cartridge-palettes.bin"
|
.incbin "data/m2-cartridge-palettes.bin"
|
||||||
|
|
||||||
|
//==============================================================================
|
||||||
|
// First function hacks
|
||||||
|
//==============================================================================
|
||||||
|
|
||||||
|
.org m12_first_call_def :: dw main_func+1
|
||||||
|
|
||||||
//==============================================================================
|
//==============================================================================
|
||||||
// Data files
|
// Data files
|
||||||
//==============================================================================
|
//==============================================================================
|
||||||
|
@ -2352,6 +2358,9 @@ disclaimer_map:
|
||||||
.definelabel m2_is_battle ,0x3005344
|
.definelabel m2_is_battle ,0x3005344
|
||||||
.definelabel m2_btl_user_ptr ,0x300538C
|
.definelabel m2_btl_user_ptr ,0x300538C
|
||||||
.definelabel m2_btl_target_ptr ,0x3005390
|
.definelabel m2_btl_target_ptr ,0x3005390
|
||||||
|
.definelabel start_game ,0x80000C0
|
||||||
|
.definelabel m12_first_call_def ,0x80001B0
|
||||||
|
.definelabel m12_first_function ,0x80001B8
|
||||||
.definelabel m2_setup_naming_mem ,0x8001D5C
|
.definelabel m2_setup_naming_mem ,0x8001D5C
|
||||||
.definelabel m2_soundeffect ,0x8001720
|
.definelabel m2_soundeffect ,0x8001720
|
||||||
.definelabel m2_copy_names_perm_mem ,0x8002088
|
.definelabel m2_copy_names_perm_mem ,0x8002088
|
||||||
|
|
Loading…
Reference in New Issue