bgfx/examples/common/entry/dbg.cpp
2014-02-10 22:07:04 -08:00

88 lines
2.0 KiB
C++

/*
* Copyright 2011-2014 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include <ctype.h> // isprint
#include "dbg.h"
#include <bx/string.h>
#include <bx/debug.h>
void dbgPrintfVargs(const char* _format, va_list _argList)
{
char temp[8192];
char* out = temp;
int32_t len = bx::vsnprintf(out, sizeof(temp), _format, _argList);
if ( (int32_t)sizeof(temp) < len)
{
out = (char*)alloca(len+1);
len = bx::vsnprintf(out, len, _format, _argList);
}
out[len] = '\0';
bx::debugOutput(out);
}
void dbgPrintf(const char* _format, ...)
{
va_list argList;
va_start(argList, _format);
dbgPrintfVargs(_format, argList);
va_end(argList);
}
#define DBG_ADDRESS "%" PRIxPTR
void dbgPrintfData(const void* _data, uint32_t _size, const char* _format, ...)
{
#define HEX_DUMP_WIDTH 16
#define HEX_DUMP_SPACE_WIDTH 48
#define HEX_DUMP_FORMAT "%-" DBG_STRINGIZE(HEX_DUMP_SPACE_WIDTH) "." DBG_STRINGIZE(HEX_DUMP_SPACE_WIDTH) "s"
va_list argList;
va_start(argList, _format);
dbgPrintfVargs(_format, argList);
va_end(argList);
dbgPrintf("\ndata: " DBG_ADDRESS ", size: %d\n", _data, _size);
if (NULL != _data)
{
const uint8_t* data = reinterpret_cast<const uint8_t*>(_data);
char hex[HEX_DUMP_WIDTH*3+1];
char ascii[HEX_DUMP_WIDTH+1];
uint32_t hexPos = 0;
uint32_t asciiPos = 0;
for (uint32_t ii = 0; ii < _size; ++ii)
{
bx::snprintf(&hex[hexPos], sizeof(hex)-hexPos, "%02x ", data[asciiPos]);
hexPos += 3;
ascii[asciiPos] = isprint(data[asciiPos]) ? data[asciiPos] : '.';
asciiPos++;
if (HEX_DUMP_WIDTH == asciiPos)
{
ascii[asciiPos] = '\0';
dbgPrintf("\t" DBG_ADDRESS "\t" HEX_DUMP_FORMAT "\t%s\n", data, hex, ascii);
data += asciiPos;
hexPos = 0;
asciiPos = 0;
}
}
if (0 != asciiPos)
{
ascii[asciiPos] = '\0';
dbgPrintf("\t" DBG_ADDRESS "\t" HEX_DUMP_FORMAT "\t%s\n", data, hex, ascii);
}
}
#undef HEX_DUMP_WIDTH
#undef HEX_DUMP_SPACE_WIDTH
#undef HEX_DUMP_FORMAT
}