Windows打印堆栈

//打印堆栈
#include <stdarg.h>
#include <windows.h>
//#include <dbghelp.h>
#include <stdio.h>

#if _MSC_VER
#define snprintf _snprintf
#endif

#define STACK_INFO_LEN 1024
static int vsnprintf_s(char* buf, size_t len, const char* fmt, va_list arg)
{
	return ::vsnprintf_s(buf, len, _TRUNCATE, fmt, arg);
}

static int vsnprintf_s(wchar_t* buf, size_t len, const wchar_t* fmt, va_list arg)
{
	return ::_vsnwprintf_s(buf, len, _TRUNCATE, fmt, arg);
}

static int snprintf_s(char* buf, size_t len, const char* fmt, ...)
{
	va_list args;
	va_start(args, fmt);
	int nRes = vsnprintf_s(buf, len, fmt, args);
	va_end(args);
	return nRes;
}

void ShowTraceStack(char* szBriefInfo)
{
	static const int MAX_STACK_FRAMES = 12;
	void* pStack[MAX_STACK_FRAMES];
	static char szStackInfo[STACK_INFO_LEN * MAX_STACK_FRAMES];
	static char szFrameInfo[STACK_INFO_LEN];
	HANDLE process = GetCurrentProcess();
	SymInitialize(process, NULL, TRUE);
	WORD frames = CaptureStackBackTrace(0, MAX_STACK_FRAMES, pStack, NULL);
	strcpy(szStackInfo, szBriefInfo == NULL ? "stack traceback:\n" : szBriefInfo);
	strcat(szStackInfo, " ");
	for (WORD i = 0; i < frames; ++i) {
		DWORD64 address = (DWORD64)pStack[i];
		DWORD64 displacementSym = 0;
		char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
		PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
		pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
		pSymbol->MaxNameLen = MAX_SYM_NAME;
		DWORD displacementLine = 0;
		IMAGEHLP_LINE64 line;
		line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
		if (SymFromAddr(process, address, &displacementSym, pSymbol) &&
			SymGetLineFromAddr64(process, address, &displacementLine, &line))
		{
			snprintf_s(szFrameInfo, sizeof(szFrameInfo), "\t%s() at %s:%d(0x%x)\n",
				pSymbol->Name, line.FileName, line.LineNumber, pSymbol->Address);
		}
		else
		{
			snprintf_s(szFrameInfo, sizeof(szFrameInfo), "\terror: %d\n", GetLastError());
		}
		strcat(szStackInfo, szFrameInfo);
	}
	MyLog(L"%s", CString(szStackInfo));//此处是你的日志函数
}

在什么情况下使用打印堆栈函数？

1.一个函数多次调用，调用地方不同，不能下断点，打印日志也看不出什么，打印堆栈可以看出。

2.分析崩溃。

缺点：

1.看不到调用堆栈栈帧变量的值。只能看到调用堆栈函数。