mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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200 lines
7.0 KiB
C
Executable File
200 lines
7.0 KiB
C
Executable File
//
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// printf_lite.hpp
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//
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// Created by jief the 04 Apr 2019.
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// Imported in CLover the 24 Feb 2020
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//
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#ifndef __PRINTF_LITE_H__
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#define __PRINTF_LITE_H__
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#include <stdarg.h>
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#include <stddef.h> // for size_t
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#include <printf_lite-conf.h>
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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#ifdef DEBUG
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#define DEFINE_SECTIONS 0
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#endif
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// To be able to compile on a platform where there are already std function snprintf, we need to change the name
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#ifndef PRINTF_CFUNCTION_PREFIX
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#define PRINTF_CFUNCTION_PREFIX
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#endif
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#ifndef PRINTF_CFUNCTION_SUFFIX
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#define PRINTF_CFUNCTION_SUFFIX fl
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#endif
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#define PRINTF_MAKE_FN_NAME(prefix, root, suffix) prefix##root##suffix
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#define PRINTF_FUNCTION_NAME(prefix, root, suffix) PRINTF_MAKE_FN_NAME(prefix, root, suffix)
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#ifndef PRINTF_UTF8_INPUT_SUPPORT
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#define PRINTF_UTF8_INPUT_SUPPORT 1
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#endif
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#ifndef PRINTF_UNICODE_INPUT_SUPPORT
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#define PRINTF_UNICODE_INPUT_SUPPORT 1 // enable %ls. %ls = UTF16 or UTF32 string, depending of the size of wchar_t
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#endif
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#ifndef PRINTF_UTF8_OUTPUT_SUPPORT
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#define PRINTF_UTF8_OUTPUT_SUPPORT 1
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#endif
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#ifndef PRINTF_UNICODE_OUTPUT_SUPPORT
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#define PRINTF_UNICODE_OUTPUT_SUPPORT 1 // UTF16 or UTF32 depending of the size of wchar_t
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#endif
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#if PRINTF_UTF8_OUTPUT_SUPPORT == 0 && PRINTF_UNICODE_OUTPUT_SUPPORT == 0
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#error no output format supported.
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#endif
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#ifndef PRINTF_LITE_SNPRINTF_SUPPORT
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#define PRINTF_LITE_SNPRINTF_SUPPORT 1
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#endif
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#ifndef VSNWPRINTF_RETURN_MINUS1_ON_OVERFLOW
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#define VSNWPRINTF_RETURN_MINUS1_ON_OVERFLOW 0
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#endif
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#ifndef PRINTF_CHECK_UNSUPPORTED_STRING_FORMAT
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#define PRINTF_CHECK_UNSUPPORTED_STRING_FORMAT 0
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#endif
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/*
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* A buffer is not needed. On some case it could be faster. For example when using semihosting
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* It's 255 max, because of bufIdx of type uint8_t. It's possible to change it to int if bigger buffer needed.
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* This buffer isn't statically allocated so it won't use permanent RAM.
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* Not more than int because of cast in transmitBufXXX functions.
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* 2017/08/31 : Save 22 bytes + bufsize of my STM32F103
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*/
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#ifndef PRINTF_LITE_BUF_SIZE
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#define PRINTF_LITE_BUF_SIZE 200
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#endif
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/*
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* Fallback on something close if specifier isn't supported.
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* Unsupported specifier are ignored.
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* if 0, any unsupported modifier or specifier will be seen as unknown.
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*/
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#ifndef PRINTF_LITE_FALLBACK_FOR_UNSUPPORTED
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#define PRINTF_LITE_FALLBACK_FOR_UNSUPPORTED 0
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#endif
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#ifndef PRINTF_LITE_FLOAT_SUPPORT
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#define PRINTF_LITE_FLOAT_SUPPORT 1
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#endif
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/*
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* The int part of the float (or double) will be printed if PRINTF_LITE_FLOAT_SUPPORT is enabled
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* June 2017, avr-gcc 4.9.2-atmel3.5.4-arduino2 :
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* Float support increase 828 bytes of text and 16 bytes of data
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*/
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#ifndef PRINTF_LITE_FLOAT_AS_INT_SUPPORT
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#define PRINTF_LITE_FLOAT_AS_INT_SUPPORT 1 // if float not supported, an int will be print instead.
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#endif
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/*
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* Disabling LONG LONG support has an effect on printing double. If long int is disabled, the int part of the double has to be < ULONG_MAX
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*/
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#ifndef PRINTF_LITE_LONGLONGINT_SUPPORT
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#define PRINTF_LITE_LONGLONGINT_SUPPORT 1 // 1712 bytes
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#endif
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/*
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* Disabling LONG support automatically disable LONG LONG support whatever the value of PRINTF_LITE_LONGLONGINT_SUPPORT.
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* Disabling LONG support has an effect on printing double. The int part of the double has to be < UINT_MAX max
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*/
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#ifndef PRINTF_LITE_LONGINT_SUPPORT
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#define PRINTF_LITE_LONGINT_SUPPORT 1 // 1712 bytes
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#endif
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#ifndef PRINTF_LITE_TIMESTAMP_SUPPORT
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#define PRINTF_LITE_TIMESTAMP_SUPPORT 0 // 240 bytes
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#endif
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#ifndef PRINTF_LITE_FIELDWIDTH_SUPPORT
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#define PRINTF_LITE_FIELDWIDTH_SUPPORT 1 // 107 bytes
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#endif
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#ifndef PRINTF_LITE_FIELDPRECISION_SUPPORT
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#define PRINTF_LITE_FIELDPRECISION_SUPPORT 1 // bytes
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#endif
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#ifndef PRINTF_LITE_PADCHAR_SUPPORT
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#define PRINTF_LITE_PADCHAR_SUPPORT 1 // bytes
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#endif
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#ifndef PRINTF_LITE_ZSPECIFIER_SUPPORT
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#define PRINTF_LITE_ZSPECIFIER_SUPPORT 1 // 230 bytes. If not supported, z modifier become llu
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#endif
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#ifndef PRINTF_LITE_XSPECIFIER_SUPPORT
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#define PRINTF_LITE_XSPECIFIER_SUPPORT 1 // 96 bytes. If not supported, x specifier become u
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#endif
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#ifndef PRINTF_LITE_USPECIFIER_SUPPORT
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#define PRINTF_LITE_USPECIFIER_SUPPORT 1 // 96 bytes. If not supported, u specifier become d
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#endif
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#ifndef PRINTF_EMIT_CR
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#define PRINTF_EMIT_CR 0
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#endif
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/*===================================================== Private definition ============================================*/
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#if PRINTF_UTF8_OUTPUT_SUPPORT == 1
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typedef void (*transmitBufCallBackType)(const char* buf, unsigned int nbchar, void* context);
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#endif
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#if PRINTF_UNICODE_OUTPUT_SUPPORT == 1
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typedef void (*transmitWBufCallBackType)(const wchar_t* buf, unsigned int nbchar, void* context);
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#endif
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typedef union {
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#if PRINTF_UTF8_OUTPUT_SUPPORT == 1
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transmitBufCallBackType transmitBufCallBack;
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#endif
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#if PRINTF_UNICODE_OUTPUT_SUPPORT == 1
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transmitWBufCallBackType transmitWBufCallBack;
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#endif
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} printf_callback_t;
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// I need to pass a va_list by reference, NOT value, because va_list is "incremented" in printf_handle_format_char
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// On macOS, the builtin va_list type seems to already be a pointer
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#ifdef __APPLE__
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#define VALIST_PARAM_TYPE va_list
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#define VALIST_PARAM(valist) valist
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#define VALIST_ACCESS(valist) valist
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#else
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#define VALIST_PARAM_TYPE va_list*
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#define VALIST_PARAM(valist) &valist
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#define VALIST_ACCESS(valist) (*valist)
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#endif
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//void printf_handle_format_char(char c, VALIST_PARAM_TYPE valist, PrintfParams* printfParams);
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/*===================================================== User function ============================================*/
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void vprintf_with_callback(const char* format, va_list valist, transmitBufCallBackType transmitBufCallBack, void* context
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#if PRINTF_LITE_TIMESTAMP_SUPPORT == 1
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, int* newline, int timestamp
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#endif
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);
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#if PRINTF_UNICODE_OUTPUT_SUPPORT == 1
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void vwprintf_with_callback(const char* format, va_list valist, transmitWBufCallBackType transmitBufCallBack, void* context
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#if PRINTF_LITE_TIMESTAMP_SUPPORT == 1
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, int* newline, int timestamp
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#endif
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);
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#endif
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#if PRINTF_LITE_SNPRINTF_SUPPORT == 1
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#if PRINTF_UTF8_OUTPUT_SUPPORT == 1
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int PRINTF_FUNCTION_NAME(PRINTF_CFUNCTION_PREFIX, vsnprint, PRINTF_CFUNCTION_SUFFIX)(char*, size_t, const char *__restrict, va_list valist);
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// gcc-4.9.2-atmel3.5.4-arduino2 report snprintf to undefined. Change the name and it'll work. Strange isn't it ?
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int PRINTF_FUNCTION_NAME(PRINTF_CFUNCTION_PREFIX, snprint, PRINTF_CFUNCTION_SUFFIX)(char*, size_t len, const char *__restrict format, ...) __attribute__((__format__ (__printf__, 3, 4)));
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#endif
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#if PRINTF_UNICODE_OUTPUT_SUPPORT == 1
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// ATTENTION : len is the number of wchar_t, NOT the number of bytes.
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int PRINTF_FUNCTION_NAME(PRINTF_CFUNCTION_PREFIX, vsnwprint, PRINTF_CFUNCTION_SUFFIX)(wchar_t*, size_t len, const char *__restrict, va_list valist);
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int PRINTF_FUNCTION_NAME(PRINTF_CFUNCTION_PREFIX, snwprint, PRINTF_CFUNCTION_SUFFIX)(wchar_t*, size_t len, const char *__restrict format, ...) __attribute__((__format__ (__printf__, 3, 4)));
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#endif
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#endif
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#if defined(__cplusplus)
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}
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#endif
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#endif // __PRINTF_LITE_H__
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