mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-12-25 19:24:16 +01:00
[debug] add support for mgba printf
* adds support for mgba printf debugging as well as adding support for switching between debugging configuration * adds `mini_printf` as an alternative to libc printf as well as switches to choose a pretty printing handler * adds a pretty printing format to `mini_printf` to print preproc encoded strings
This commit is contained in:
sbird
parent
7dac3c4b65
commit
584bfe0221
@ -8,12 +8,31 @@
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// Ruby's actual debug build does not use the AGBPrint features.
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#define NDEBUG
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// To enable print debugging, comment out "#define NDEBUG". This allows
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// To enable printf debugging, comment out "#define NDEBUG". This allows
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// the various AGBPrint functions to be used. (See include/gba/isagbprint.h).
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// Some emulators support a debug console window: uncomment NoCashGBAPrint()
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// and NoCashGBAPrintf() in libisagbprn.c to use no$gba's own proprietary
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// printing system. Use NoCashGBAPrint() and NoCashGBAPrintf() like you
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// would normally use AGBPrint() and AGBPrintf().
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// See below for enabling different pretty printing versions.
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#ifndef NDEBUG
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#define PRETTY_PRINT_MINI_PRINTF (0)
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#define PRETTY_PRINT_LIBC (1)
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#define LOG_HANDLER_AGB_PRINT (0)
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#define LOG_HANDLER_NOCASH_PRINT (1)
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#define LOG_HANDLER_MGBA_PRINT (2)
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// Use this switch to choose a handler for pretty printing.
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// NOTE: mini_printf supports a custom pretty printing formatter to display preproc encoded strings. (%S)
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// some libc distributions (especially dkp arm-libc) will fail to link pretty printing.
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#define PRETTY_PRINT_HANDLER (PRETTY_PRINT_MINI_PRINTF)
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// Use this switch to choose a handler for printf output.
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// NOTE: These will only work on the respective emulators and should not be used in a productive environment.
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// Some emulators or real hardware might (and is allowed to) crash if they are used.
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// AGB_PRINT is supported on respective debug units.
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#define LOG_HANDLER (LOG_HANDLER_MGBA_PRINT)
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#endif
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#define ENGLISH
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@ -1,36 +1,50 @@
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#ifndef GUARD_GBA_ISAGBPRINT_H
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#define GUARD_GBA_ISAGBPRINT_H
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#ifdef NDEBUG
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#define AGBPrintInit()
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#define AGBPutc(cChr)
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#define AGBPrint(pBuf)
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#define AGBPrintf(pBuf, ...)
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#define AGBPrintFlush1Block()
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#define AGBPrintFlush()
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#define AGBAssert(pFile, nLine, pExpression, nStopProgram)
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#else
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void AGBPrintInit(void);
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void AGBPutc(const char cChr);
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void AGBPrint(const char *pBuf);
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void AGBPrintf(const char *pBuf, ...);
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void AGBPrintFlush1Block(void);
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void AGBPrintFlush(void);
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void AGBAssert(const char *pFile, int nLine, const char *pExpression, int nStopProgram);
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#endif
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#include "gba/types.h"
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#undef AGB_ASSERT
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#ifdef NDEBUG
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#define DebugPrintf(pBuf, ...)
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#define MgbaOpen()
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#define MgbaClose()
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#define AGB_ASSERT(exp)
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#else
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#define AGB_ASSERT(exp) (exp) ? ((void *)0) : AGBAssert(__FILE__, __LINE__, #exp, 1);
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#endif
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#undef AGB_WARNING
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#ifdef NDEBUG
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#define AGB_WARNING(exp)
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#define AGBPrintInit()
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#else
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#define AGB_WARNING(exp) (exp) ? ((void *)0) : AGBAssert(__FILE__, __LINE__, #exp, 0);
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#if (LOG_HANDLER == LOG_HANDLER_MGBA_PRINT)
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bool32 MgbaOpen(void);
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void MgbaClose(void);
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void MgbaPrintf(const char *pBuf, ...);
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void MgbaAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram);
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#define DebugPrintf(pBuf, ...) MgbaPrintf(pBuf, __VA_ARGS__)
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#define AGB_ASSERT(exp) (exp) ? ((void*)0) : MgbaAssert(__FILE__, __LINE__, #exp, 1)
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#define AGB_WARNING(exp) (exp) ? ((void*)0) : MgbaAssert(__FILE__, __LINE__, #exp, 0)
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// Not used in this configuration
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#define AGBPrintfInit()
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#elif (LOG_HANDLER == LOG_HANDLER_NOCASH_PRINT)
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void NoCashGBAPrintf(const char *pBuf, ...)
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void NoCashGBAAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram)
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#define DebugPrintf(pBuf, ...) NoCashGBAPrintf(pBuf, __VA_ARGS__)
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#define AGB_ASSERT(exp) (exp) ? ((void*)0) : NoCashGBAAssert(__FILE__, __LINE__, #exp, 1);
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#define AGB_WARNING(exp) (exp) ? ((void*)0) : NoCashGBAAssert(__FILE__, __LINE__, #exp, 0)
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// Not used in this configuration
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#define MgbaOpen()
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#define MgbaClose()
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#define AGBPrintInit()
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#else // Default to AGBPrint
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void AGBPrintf(const char *pBuf, ...);
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void AGBAssert(const char *pFile, int nLine, const char *pExpression, int nStopProgram);
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void AGBPrintInit(void);
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#define DebugPrintf(pBuf, ...) AGBPrintf(const char *pBuf, ...)
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#define AGB_ASSERT(exp) (exp) ? ((void*)0) : AGBAssert(__FILE__, __LINE__, #exp, 1)
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#define AGB_WARNING(exp) (exp) ? ((void*)0) : NoCashGBAAssert(__FILE__, __LINE__, #exp, 0)
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// Not used in this configuration
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#define MgbaOpen()
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#define MgbaClose()
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#endif
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#endif
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// for matching purposes
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@ -38,13 +52,7 @@ void AGBAssert(const char *pFile, int nLine, const char *pExpression, int nStopP
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#ifdef NDEBUG
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#define AGB_ASSERT_EX(exp, file, line)
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#else
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#define AGB_ASSERT_EX(exp, file, line) (exp) ? ((void *)0) : AGBAssert(file, line, #exp, 1);
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#endif
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#ifdef NDEBUG
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#define AGB_WARNING_EX(exp, file, line)
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#else
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#define AGB_WARNING_EX(exp, file, line) (exp) ? ((void *)0) : AGBAssert(file, line, #exp, 0);
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#define AGB_ASSERT_EX(exp, file, line) AGB_ASSERT(exp);
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#endif
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#endif // GUARD_GBA_ISAGBPRINT_H
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52
include/mini_printf.h
Normal file
52
include/mini_printf.h
Normal file
@ -0,0 +1,52 @@
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/*
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* The Minimal snprintf() implementation
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*
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* Copyright (c) 2013 Michal Ludvig <michal@logix.cz>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the auhor nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Courtey of https://github.com/mludvig/mini-printf
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* stripped to reduce file size for agb needs
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*/
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#ifndef __MINI_PRINTF__
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#define __MINI_PRINTF__
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#include <stdarg.h>
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#include "gba/types.h"
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#ifdef NDEBUG
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#define mini_vsnprintf(buffer, buffer_len, fmt, va)
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#define mini_vpprintf(buf, fmt, va)
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#else
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s32 mini_vsnprintf(char* buffer, u32 buffer_len, const char *fmt, va_list va);
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s32 mini_vpprintf(void* buf, const char *fmt, va_list va);
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#endif
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#endif
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@ -2,6 +2,8 @@
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#include <stdio.h>
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#include "gba/gba.h"
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#include "config.h"
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#include "malloc.h"
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#include "mini_printf.h"
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#define AGB_PRINT_FLUSH_ADDR 0x9FE209D
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#define AGB_PRINT_STRUCT_ADDR 0x9FE20F8
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@ -14,6 +16,11 @@
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#define NOCASHGBAPRINTADDR1 0x4FFFA10 // automatically adds a newline after the string has finished
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#define NOCASHGBAPRINTADDR2 0x4FFFA14 // does not automatically add the newline. by default, NOCASHGBAPRINTADDR2 is used. this is used to keep strings consistent between no$gba and VBA-RR, but a user can choose to forgo this.
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// hardware extensions for LOG_HANDLER_MGBA_PRINT
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#define REG_DEBUG_ENABLE ((vu16*) (0x4FFF780)) // handshake: (w)[0xC0DE] -> (r)[0x1DEA]
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#define REG_DEBUG_FLAGS ((vu16*) (0x4FFF700))
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#define REG_DEBUG_STRING ((char*) (0x4FFF600))
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struct AGBPrintStruct
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{
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u16 m_nRequest;
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@ -26,6 +33,8 @@ typedef void (*LPFN_PRINT_FLUSH)(void);
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#ifndef NDEBUG
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// AGBPrint print functions
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#if (LOG_HANDLER == LOG_HANDLER_AGB_PRINT)
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void AGBPrintFlush1Block(void);
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void AGBPrintInit(void)
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@ -87,7 +96,13 @@ void AGBPrintf(const char *pBuf, ...)
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char bufPrint[0x100];
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va_list vArgv;
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va_start(vArgv, pBuf);
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vsprintf(bufPrint, pBuf, vArgv);
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#if (PRETTY_PRINT_HANDLER == PRETTY_PRINT_MINI_PRINTF)
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mini_vsnprintf(bufPrint, 0x100, pBuf, vArgv);
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#elif (PRETTY_PRINT_HANDLER == PRETTY_PRINT_LIBC)
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vsnprintf(bufPrint, 0x100, pBuf, vArgv);
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#else
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#error "unspecified pretty printing handler."
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#endif
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va_end(vArgv);
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AGBPrint(bufPrint);
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}
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@ -155,9 +170,10 @@ void AGBAssert(const char *pFile, int nLine, const char *pExpression, int nStopP
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AGBPrintf("WARING FILE=[%s] LINE=[%d] EXP=[%s] \n", pFile, nLine, pExpression);
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}
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}
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#endif
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// no$gba print functions, uncomment to use
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/*
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// no$gba print functions
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#if (LOG_HANDLER == LOG_HANDLER_NOCASH_PRINT)
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void NoCashGBAPrint(const char *pBuf)
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{
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*(volatile u32 *)NOCASHGBAPRINTADDR2 = (u32)pBuf;
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@ -168,10 +184,118 @@ void NoCashGBAPrintf(const char *pBuf, ...)
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char bufPrint[0x100];
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va_list vArgv;
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va_start(vArgv, pBuf);
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vsprintf(bufPrint, pBuf, vArgv);
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#if (PRETTY_PRINT_HANDLER == PRETTY_PRINT_MINI_PRINTF)
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mini_vsnprintf(bufPrint, 0x100, pBuf, vArgv);
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#elif (PRETTY_PRINT_HANDLER == PRETTY_PRINT_LIBC)
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vsnprintf(bufPrint, 0x100, pBuf, vArgv);
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#else
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#error "unspecified pretty printing handler."
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#endif
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va_end(vArgv);
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NoCashGBAPrint(bufPrint);
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}
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*/
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void NoCashGBAAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram)
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{
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if (nStopProgram)
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{
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NoCashGBAPrintf("ASSERTION FAILED FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
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asm(".hword 0xEFFF");
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}
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else
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{
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NoCashGBAPrintf("WARING FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
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}
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}
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#endif
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// mgba print functions
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#if (LOG_HANDLER == LOG_HANDLER_MGBA_PRINT)
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#define MGBA_PRINTF_BUFFER_SIZE (4096)
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#define MGBA_LOG_FATAL (0)
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#define MGBA_LOG_ERROR (1)
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#define MGBA_LOG_WARN (2)
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#define MGBA_LOG_INFO (3)
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#define MGBA_LOG_DEBUG (4)
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#define MGBA_REG_DEBUG_MAX (256)
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bool32 MgbaOpen(void)
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{
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*REG_DEBUG_ENABLE = 0xC0DE;
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return *REG_DEBUG_ENABLE == 0x1DEA;
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}
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void MgbaClose(void)
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{
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*REG_DEBUG_ENABLE = 0;
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}
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static void MgbaPrintfBounded(s32 level, const char* ptr, ...)
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{
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va_list args;
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level &= 0x7;
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va_start(args, ptr);
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#if (PRETTY_PRINT_HANDLER == PRETTY_PRINT_MINI_PRINTF)
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mini_vsnprintf(REG_DEBUG_STRING, MGBA_REG_DEBUG_MAX, ptr, args);
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#elif (PRETTY_PRINT_HANDLER == PRETTY_PRINT_LIBC)
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vsnprintf(REG_DEBUG_STRING, MGBA_REG_DEBUG_MAX, ptr, args);
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#else
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#error "unspecified pretty printing handler."
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#endif
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va_end(args);
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*REG_DEBUG_FLAGS = level | 0x100;
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}
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void MgbaPrintf(const char* ptr, ...)
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{
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va_list args;
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u32 offset = 0;
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u32 n = 0;
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u32 i;
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char *buffer = Alloc(MGBA_PRINTF_BUFFER_SIZE);
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AGB_ASSERT(buffer != NULL);
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va_start(args, ptr);
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#if (PRETTY_PRINT_HANDLER == PRETTY_PRINT_MINI_PRINTF)
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n = mini_vsnprintf(buffer, MGBA_PRINTF_BUFFER_SIZE, ptr, args);
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#elif (PRETTY_PRINT_HANDLER == PRETTY_PRINT_LIBC)
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n = vsnprintf(buffer, MGBA_PRINTF_BUFFER_SIZE, ptr, args);
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#else
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#error "unspecified pretty printing handler."
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#endif
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va_end(args);
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AGB_ASSERT(n < MGBA_PRINTF_BUFFER_SIZE);
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do
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{
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for (i = 0; i < MGBA_REG_DEBUG_MAX; ++i)
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{
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REG_DEBUG_STRING[i] = buffer[offset + i];
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if (buffer[offset + i] == 0)
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break;
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}
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offset += i;
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*REG_DEBUG_FLAGS = MGBA_LOG_INFO | 0x100;
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} while ((i == MGBA_REG_DEBUG_MAX) && (buffer[offset] != '\0'));
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Free(buffer);
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}
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void MgbaAssert(const char *pFile, s32 nLine, const char *pExpression, bool32 nStopProgram)
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{
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if (nStopProgram)
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{
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MgbaPrintfBounded(MGBA_LOG_ERROR, "ASSERTION FAILED FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
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asm(".hword 0xEFFF");
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}
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else
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{
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MgbaPrintfBounded(MGBA_LOG_WARN, "WARING FILE=[%s] LINE=[%d] EXP=[%s]", pFile, nLine, pExpression);
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}
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}
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#endif
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#endif
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@ -119,6 +119,13 @@ void AgbMain()
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gLinkTransferringData = FALSE;
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sUnusedVar = 0xFC0;
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#ifndef NDEBUG
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#if (LOG_HANDLER == LOG_HANDLER_MGBA_PRINT)
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(void) MgbaOpen();
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#elif (LOG_HANDLER == LOG_HANDLER_AGB_PRINT)
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AGBPrintfInit();
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#endif
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#endif
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for (;;)
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{
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ReadKeys();
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353
src/mini_printf.c
Normal file
353
src/mini_printf.c
Normal file
@ -0,0 +1,353 @@
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/*
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* The Minimal snprintf() implementation
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*
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* Copyright (c) 2013,2014 Michal Ludvig <michal@logix.cz>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions are met:
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the auhor nor the names of its contributors
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* may be used to endorse or promote products derived from this software
|
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* without specific prior written permission.
|
||||
*
|
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
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* 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;
|
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* mini-printf courtesy of https://github.com/mludvig/mini-printf
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* stripped to reduce file size for agb needs
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*/
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#include "mini_printf.h"
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#include "gba/types.h"
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#include "gba/defines.h"
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#include "config.h"
|
||||
#include "characters.h"
|
||||
#include "string_util.h"
|
||||
|
||||
#ifndef NDEBUG
|
||||
|
||||
struct mini_buff
|
||||
{
|
||||
char *buffer, *pbuffer;
|
||||
u32 buffer_len;
|
||||
};
|
||||
|
||||
static inline char mini_pchar_decode(char encoded)
|
||||
{
|
||||
char ret = '?';
|
||||
if (encoded >= CHAR_a && encoded <= CHAR_z)
|
||||
ret = encoded-(CHAR_a-'a'); // lower-case characters
|
||||
else if (encoded >= CHAR_A && encoded <= CHAR_Z)
|
||||
ret = encoded-(CHAR_A-'A'); // upper-case characters
|
||||
else if (encoded >= CHAR_0 && encoded <= CHAR_9)
|
||||
ret = encoded-(CHAR_0-'0'); // numbers
|
||||
else if (encoded == CHAR_SPACE)
|
||||
ret = ' '; // space
|
||||
else if (encoded == CHAR_EXCL_MARK)
|
||||
ret = '!'; // exclamation point
|
||||
else if (encoded == CHAR_QUESTION_MARK)
|
||||
ret = '?'; // question mark
|
||||
else if (encoded == CHAR_PERIOD)
|
||||
ret = '.'; // period
|
||||
else if (encoded == CHAR_DBL_QUOTE_LEFT || encoded == CHAR_DBL_QUOTE_RIGHT)
|
||||
ret = '"'; // double quote
|
||||
else if (encoded == CHAR_SGL_QUOTE_LEFT || encoded == CHAR_SGL_QUOTE_RIGHT)
|
||||
ret = '\''; // single quote
|
||||
else if (encoded == CHAR_CURRENCY)
|
||||
ret = '$'; // currency mark (pokemonies in game, dollar sign in logs)
|
||||
else if (encoded == CHAR_COMMA)
|
||||
ret = ','; // comma
|
||||
else if (encoded == CHAR_MULT_SIGN)
|
||||
ret = '#'; // pound, hashtag, octothorpe, whatever
|
||||
else if (encoded == CHAR_SLASH)
|
||||
ret = '/'; // slash
|
||||
else if (encoded == CHAR_LESS_THAN)
|
||||
ret = '<'; // less than sign
|
||||
else if (encoded == CHAR_GREATER_THAN)
|
||||
ret = '>'; // greater than sign
|
||||
else if (encoded == CHAR_PERCENT)
|
||||
ret = '%'; // percentage
|
||||
else if (encoded == CHAR_LEFT_PAREN)
|
||||
ret = '('; // opening parentheses
|
||||
else if (encoded == CHAR_RIGHT_PAREN)
|
||||
ret = ')'; // closing parentheses
|
||||
return ret;
|
||||
}
|
||||
|
||||
static s32 _putsAscii(char *s, s32 len, void *buf)
|
||||
{
|
||||
char *p0;
|
||||
s32 i;
|
||||
struct mini_buff *b;
|
||||
|
||||
if (!buf)
|
||||
return len;
|
||||
|
||||
b = buf;
|
||||
p0 = b->buffer;
|
||||
|
||||
/* Copy to buffer */
|
||||
for (i = 0; i < len; i++) {
|
||||
if(b->pbuffer == b->buffer + b->buffer_len - 1) {
|
||||
break;
|
||||
}
|
||||
*(b->pbuffer ++) = s[i];
|
||||
}
|
||||
*(b->pbuffer) = 0;
|
||||
return b->pbuffer - p0;
|
||||
}
|
||||
|
||||
static s32 _putsEncoded(char *s, s32 len, void *buf)
|
||||
{
|
||||
char *p0;
|
||||
s32 i;
|
||||
struct mini_buff *b;
|
||||
|
||||
if (!buf)
|
||||
return len;
|
||||
|
||||
b = buf;
|
||||
p0 = b->buffer;
|
||||
|
||||
/* Copy to buffer */
|
||||
for (i = 0; i < len; i++) {
|
||||
if(b->pbuffer == b->buffer + b->buffer_len - 1) {
|
||||
break;
|
||||
}
|
||||
*(b->pbuffer ++) = mini_pchar_decode(s[i]);
|
||||
}
|
||||
*(b->pbuffer) = 0;
|
||||
return b->pbuffer - p0;
|
||||
}
|
||||
|
||||
static s32 mini_strlen(const char *s)
|
||||
{
|
||||
s32 len = 0;
|
||||
while (s[len] != '\0') len++;
|
||||
return len;
|
||||
}
|
||||
|
||||
static s32 mini_itoa(u32 value, u32 radix, s32 uppercase, bool32 unsig, char *buffer)
|
||||
{
|
||||
char *pbuffer = buffer;
|
||||
s32 negative = 0;
|
||||
s32 i, len;
|
||||
|
||||
/* No support for unusual radixes. */
|
||||
if (radix > 16)
|
||||
return 0;
|
||||
|
||||
if (value < 0 && !unsig)
|
||||
{
|
||||
negative = 1;
|
||||
value = -value;
|
||||
}
|
||||
|
||||
/* This builds the string back to front ... */
|
||||
do
|
||||
{
|
||||
s32 digit = value % radix;
|
||||
*(pbuffer++) = (digit < 10 ? '0' + digit : (uppercase ? 'A' : 'a') + digit - 10);
|
||||
value /= radix;
|
||||
} while (value > 0);
|
||||
|
||||
if (negative)
|
||||
*(pbuffer++) = '-';
|
||||
|
||||
*(pbuffer) = '\0';
|
||||
|
||||
/* ... now we reverse it (could do it recursively but will
|
||||
* conserve the stack space) */
|
||||
len = (pbuffer - buffer);
|
||||
for (i = 0; i < len / 2; i++)
|
||||
{
|
||||
char j = buffer[i];
|
||||
buffer[i] = buffer[len-i-1];
|
||||
buffer[len-i-1] = j;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static s32 mini_pad(char* ptr, s32 len, char pad_char, s32 pad_to, char *buffer)
|
||||
{
|
||||
s32 i;
|
||||
bool32 overflow = FALSE;
|
||||
char * pbuffer = buffer;
|
||||
if(pad_to == 0)
|
||||
pad_to = len;
|
||||
if (len > pad_to) {
|
||||
len = pad_to;
|
||||
overflow = TRUE;
|
||||
}
|
||||
for(i = pad_to - len; i > 0; i --)
|
||||
{
|
||||
*(pbuffer++) = pad_char;
|
||||
}
|
||||
for(i = len; i > 0; i --)
|
||||
{
|
||||
*(pbuffer++) = *(ptr++);
|
||||
}
|
||||
len = pbuffer - buffer;
|
||||
if(overflow)
|
||||
{
|
||||
for (i = 0; i < 3 && pbuffer > buffer; i ++)
|
||||
{
|
||||
*(pbuffer-- - 1) = '*';
|
||||
}
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
||||
s32 mini_vsnprintf(char *buffer, u32 buffer_len, const char *fmt, va_list va)
|
||||
{
|
||||
struct mini_buff b;
|
||||
s32 n;
|
||||
b.buffer = buffer;
|
||||
b.pbuffer = buffer;
|
||||
b.buffer_len = buffer_len;
|
||||
if (buffer_len == 0)
|
||||
buffer = NULL;
|
||||
n = mini_vpprintf((buffer != NULL) ? &b : NULL, fmt, va);
|
||||
if (buffer == NULL)
|
||||
return n;
|
||||
return b.pbuffer - b.buffer;
|
||||
}
|
||||
|
||||
s32 mini_vpprintf(void* buf, const char *fmt, va_list va)
|
||||
{
|
||||
char bf[24];
|
||||
char bf2[24];
|
||||
char ch;
|
||||
s32 n;
|
||||
n = 0;
|
||||
while ((ch=*(fmt++)))
|
||||
{
|
||||
s32 len;
|
||||
if (ch != '%')
|
||||
{
|
||||
len = 1;
|
||||
len = _putsAscii(&ch, len, buf);
|
||||
} else
|
||||
{
|
||||
char pad_char = ' ';
|
||||
s32 pad_to = 0;
|
||||
char l = 0;
|
||||
char *ptr;
|
||||
|
||||
ch=*(fmt++);
|
||||
|
||||
/* Zero padding requested */
|
||||
if (ch == '0')
|
||||
pad_char = '0';
|
||||
while (ch >= '0' && ch <= '9')
|
||||
{
|
||||
pad_to = pad_to * 10 + (ch - '0');
|
||||
ch= *(fmt++);
|
||||
}
|
||||
if(pad_to > (s32) sizeof(bf))
|
||||
{
|
||||
pad_to = sizeof(bf);
|
||||
}
|
||||
if (ch == 'l')
|
||||
{
|
||||
l = 1;
|
||||
ch=*(fmt++);
|
||||
}
|
||||
|
||||
switch (ch)
|
||||
{
|
||||
case 0:
|
||||
goto end;
|
||||
case 'u':
|
||||
case 'd':
|
||||
if(l)
|
||||
{
|
||||
len = mini_itoa(va_arg(va, u32), 10, 0, (ch=='u'), bf2);
|
||||
} else
|
||||
{
|
||||
if(ch == 'u')
|
||||
{
|
||||
len = mini_itoa((u32) va_arg(va, u32), 10, 0, 1, bf2);
|
||||
}
|
||||
else
|
||||
{
|
||||
len = mini_itoa((s32) va_arg(va, s32), 10, 0, 0, bf2);
|
||||
}
|
||||
}
|
||||
len = mini_pad(bf2, len, pad_char, pad_to, bf);
|
||||
len = _putsAscii(bf, len, buf);
|
||||
break;
|
||||
|
||||
case 'x':
|
||||
case 'X':
|
||||
if(l)
|
||||
{
|
||||
len = mini_itoa(va_arg(va, u32), 16, (ch=='X'), 1, bf2);
|
||||
}
|
||||
else
|
||||
{
|
||||
len = mini_itoa((u32) va_arg(va, u32), 16, (ch=='X'), 1, bf2);
|
||||
}
|
||||
len = mini_pad(bf2, len, pad_char, pad_to, bf);
|
||||
len = _putsAscii(bf, len, buf);
|
||||
break;
|
||||
|
||||
case 'c' :
|
||||
ch = (char)(va_arg(va, s32));
|
||||
len = mini_pad(&ch, 1, pad_char, pad_to, bf);
|
||||
len = _putsAscii(bf, len, buf);
|
||||
break;
|
||||
|
||||
case 's' :
|
||||
ptr = va_arg(va, char*);
|
||||
len = mini_strlen(ptr);
|
||||
if (pad_to > 0)
|
||||
{
|
||||
len = mini_pad(ptr, len, pad_char, pad_to, bf);
|
||||
len = _putsAscii(bf, len, buf);
|
||||
} else
|
||||
{
|
||||
len = _putsAscii(ptr, len, buf);
|
||||
}
|
||||
break;
|
||||
case 'S' : // preproc encoded string handler
|
||||
ptr = va_arg(va, char*);
|
||||
len = StringLength(ptr);
|
||||
if (pad_to > 0)
|
||||
{
|
||||
len = mini_pad(ptr, len, pad_char, pad_to, bf);
|
||||
len = _putsEncoded(bf, len, buf);
|
||||
} else
|
||||
{
|
||||
len = _putsEncoded(ptr, len, buf);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
len = 1;
|
||||
len = _putsAscii(&ch, len, buf);
|
||||
break;
|
||||
}
|
||||
}
|
||||
n = n + len;
|
||||
}
|
||||
end:
|
||||
return n;
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user