当前位置: 首页>>代码示例>>C++>>正文

C++ VSNPRINTF函数代码示例

本文整理汇总了C++中VSNPRINTF函数的典型用法代码示例。如果您正苦于以下问题：C++ VSNPRINTF函数的具体用法？C++ VSNPRINTF怎么用？C++ VSNPRINTF使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了VSNPRINTF函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ShowErrorVA

static int ShowErrorVA(UINT type, DWORD err, const char *pFmt, va_list va)
{
  char buf[1024];

  VSNPRINTF(buf, sizeof(buf)/sizeof(buf[0]), pFmt, va);

  LPVOID pMsgBuf;

  FormatMessage(
      FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
      NULL,
      err,
      MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
      (LPTSTR) &pMsgBuf,
      0,
      NULL);

  int len = lstrlen(buf);

  if ((err & 0xFFFF0000) == 0)
    SNPRINTF(buf + len, sizeof(buf)/sizeof(buf[0]) - len, "\nERROR: %lu - %s\n", (unsigned long)err, pMsgBuf);
  else
    SNPRINTF(buf + len, sizeof(buf)/sizeof(buf[0]) - len, "\nERROR: 0x%08lX - %s\n", (unsigned long)err, pMsgBuf);

  LocalFree(pMsgBuf);

  return ShowMsg(buf, type);
}
开发者ID:210230，项目名称:com0com，代码行数:28，代码来源:msg.cpp

示例2: while

    std::string StringUtil::vform(const char* format, va_list args) {
        size_t size = 1024;
        char* buffer = new char[size];
            
        while (1) {
            va_list args_copy;

#if defined(_MSC_VER) || defined(__BORLANDC__)
            args_copy = args;
#else
            va_copy(args_copy, args);
#endif

            int n = VSNPRINTF(buffer, size, format, args_copy);

            va_end(args_copy);
                
            // If that worked, return a string.
            if ((n > -1) && (static_cast<size_t>(n) < size)) {
                std::string s(buffer);
                delete [] buffer;
                return s;
            }
                
            // Else try again with more space.
            size = (n > -1) ?
                n + 1 :   // ISO/IEC 9899:1999
                size * 2; // twice the old size
                
            delete [] buffer;
            buffer = new char[size];
        }
    }
开发者ID:Ablu，项目名称:freeorion，代码行数:33，代码来源:StringUtil.cpp

示例3: sxe_log_entry

void
sxe_log_entry(unsigned id, unsigned int verbosity, const char * file, int line, const char *fmt, ...)
{
    char  log_buffer[SXE_LOG_BUFFER_SIZE];
    va_list  ap;
    unsigned i;
    unsigned prefix_length;

    SXE_CHECK_LOG_INITIALIZE();
    SXE_CHECK_VERBOSITY_BEFORE_ANYTHING_ELSE();

    prefix_length   = sxe_log_buffer_set_prefix(log_buffer, id, verbosity);
    i               = prefix_length;
    va_start(ap, fmt);

    if (sxe_log_safe_append(log_buffer, &i,  SNPRINTF(&log_buffer[i], SXE_LOG_BUFFER_SIZE - i, "%*s+ ", SXE_LOG_INDENT * 2, ""))
    &&  sxe_log_safe_append(log_buffer, &i, VSNPRINTF(&log_buffer[i], SXE_LOG_BUFFER_SIZE - i, fmt, ap))) {
        sxe_log_safe_append(log_buffer, &i,  SNPRINTF(&log_buffer[i], SXE_LOG_BUFFER_SIZE - i, "\n"));
    }

    sxe_log_line_out_escaped(log_buffer);
    i = prefix_length;
    sxe_log_safe_append(log_buffer, &i,  SNPRINTF(&log_buffer[i], SXE_LOG_BUFFER_SIZE - i, "%*s  { // %s:%d\n",
                        SXE_LOG_INDENT * 2, "", file, line));
    sxe_log_line_out_escaped(log_buffer);
    SXE_LOG_SET_INDENT(SXE_LOG_INDENT + 1);
} /* sxe_log_entry() */
开发者ID:simonhf，项目名称:sxe，代码行数:27，代码来源:sxe-log.c

示例4: send_msg

static int send_msg(process *pp, int act, const char *fmt, ...)
   {int nl;
    char msg[BFLRG];
    char *p;
    dbgrsp *gr;
    atdbgdes *st;

    VA_START(fmt);

    if (fmt == NULL)
       p = NULL;
    else
       {VSNPRINTF(msg, BFLRG, fmt);
	p  = msg;};

    VA_END;

    gr = (dbgrsp *) pp->a;
    st = gr->st;
    gr->action = act;

/* log the message sent */
    if ((st->log != NULL) && (p != NULL))
       fprintf(st->log, "SND: %s\n", p);

    nl = job_response(pp, 30000, p);

    return(nl);}
开发者ID:sabrown256，项目名称:pactnew，代码行数:28，代码来源:atdbg.c

示例5: va_start

// Note: This may be Windows specific way of handling
// variable args--there are other methods.
void sml::PrintDebugFormat(char const* pFormat, ...)
{
	va_list args;
	va_start(args, pFormat);

	char szBuffer[10000];

	int nBuf = VSNPRINTF(szBuffer, sizeof(szBuffer), pFormat, args);

	// was there an error? was the expanded string too long?
	if (nBuf < 0)
	{
		strcpy(szBuffer, "** Debug message too long for PrintDebugFormat's buffer **") ;
	}

#ifdef DEBUG_CALLS
	CTDebugEnterMethod::PrintStackTrace() ;

	PrintDebugMethod(CTDebugEnterMethod::GetCurrentMethodName(), szBuffer) ;
#else
	PrintDebugSimple(szBuffer) ;
#endif

	va_end(args);
}
开发者ID:sirctseb，项目名称:Scope，代码行数:27，代码来源:sml_Utils.cpp

示例6: set_last_error

 ErrorCode set_last_error( const char* fmt, va_list args )
 {
   char text[1024];
   VSNPRINTF( text, sizeof(text), fmt, args );
   mLastError = text;
   return MB_SUCCESS;
 }
开发者ID:chrismullins，项目名称:moab，代码行数:7，代码来源:Error.hpp

示例7: print_R

/**------------------------------------------------------**/
void print_R(char* out, const char *format, ...)
{
	
	LOG_FILETYPE stderr_f;
	char buffer[64];
	
	va_list argptr;
	va_start(argptr, format);
	VSNPRINTF(buffer, format, argptr);
	va_end(argptr);

	if(out == NULL)
	{
		printf_terminal(buffer);
	}else
	{
		if(!monitor_openappend(out,&stderr_f))
		{
			if(!monitor_openwrite(out,&stderr_f))
			{
				return;
			}
		}
		/* print to file */
		(void)monitor_seek_end(&stderr_f);
		(void)monitor_write(buffer,&stderr_f);
		(void)monitor_close(&stderr_f);
	}
	
}
开发者ID:barriquello，项目名称:proj-simone，代码行数:31，代码来源:prints_def.c

示例8: StrcatfHttpResponseBuffer

int StrcatfHttpResponseBuffer( struct HttpEnv *e , char *format , ... )
{
	va_list		valist ;
	long		size ;
	int		len ;
	int		nret = 0 ;
	
	size = e->rsp_buf->bufsize - e->rsp_buf->len - 1 ;
	
	while(1)
	{
		va_start( valist , format );
		len = VSNPRINTF( e->rsp_buf->ptr , size , format , valist ) ;
		va_end( valist );
		
		if( len == -1 || len == size )
		{
			nret = ReallocHttpBuffer( e->rsp_buf , e->rsp_buf->bufsize * 2 ) ;
			if( nret )
				return nret;
		}
		else
		{
			break;
		}
	}
	
	e->rsp_buf->ptr += len ;
	e->rsp_buf->len += len ;
	
	return 0;
}
开发者ID:ifzz，项目名称:httparser，代码行数:32，代码来源:libhttparser.c

示例9: voutf_master_tty

static void
voutf_master_tty (const char * format, va_list args)
{
  char buf [1000];
  VSNPRINTF (buf, 1000, format, args);
  Screen_WriteText (master_tty_window, buf);
}
开发者ID:barak，项目名称:mit-scheme，代码行数:7，代码来源:outf.c

示例10: WriteLogBaseV

/* 输出日志 */
int WriteLogBaseV( int log_level , char *c_filename , long c_fileline , char *format , va_list valist )
{
	char		c_filename_copy[ MAXLEN_FILENAME + 1 ] ;
	char		*p_c_filename = NULL ;
	
	char		log_buffer[ 1024 + 1 ] ;
	char		*log_bufptr = NULL ;
	size_t		log_buflen ;
	size_t		log_buf_remain_len ;
	size_t		len ;
	
	int		nret = 0 ;
	
	/* 处理源代码文件名 */
	memset( c_filename_copy , 0x00 , sizeof(c_filename_copy) );
	strncpy( c_filename_copy , c_filename , sizeof(c_filename_copy)-1 );
	p_c_filename = strrchr( c_filename_copy , '\\' ) ;
	if( p_c_filename )
		p_c_filename++;
	else
		p_c_filename = c_filename_copy ;
	
	/* 填充行日志 */
	/* memset( log_buffer , 0x00 , sizeof(log_buffer) ); */
	log_bufptr = log_buffer ;
	log_buflen = 0 ;
	log_buf_remain_len = sizeof(log_buffer) - 1 - sizeof(NEWLINE) ;
	
	/*
	{
	struct timeval	tv ;
	gettimeofday( & tv , NULL );
	len = SNPRINTF( log_bufptr , log_buf_remain_len , "%s.%06ld | %-5s | %lu:%lu:%s:%ld | " , g_date_time_cache[g_date_time_cache_index].date_and_time_str , tv.tv_usec , log_level_itoa[log_level] , g_pid , g_tid , p_c_filename , c_fileline ) ;
	}
	*/
	len = SNPRINTF( log_bufptr , log_buf_remain_len , "%s | %-5s | %lu:%lu:%s:%ld | " , g_date_time_cache[g_date_time_cache_index].date_and_time_str , log_level_itoa[log_level] , g_pid , g_tid , p_c_filename , c_fileline ) ;
	OFFSET_BUFPTR( log_buffer , log_bufptr , len , log_buflen , log_buf_remain_len );
	len = VSNPRINTF( log_bufptr , log_buf_remain_len , format , valist );
	OFFSET_BUFPTR( log_buffer , log_bufptr , len , log_buflen , log_buf_remain_len );
	log_buf_remain_len += sizeof(NEWLINE) ;
	len = SNPRINTF( log_bufptr , log_buf_remain_len , NEWLINE ) ;
	OFFSET_BUFPTR( log_buffer , log_bufptr , len , log_buflen , log_buf_remain_len );
	
	/* 输出行日志 */
	if( g_file_fd == -1 )
	{
		nret = OpenLogFile() ;
		if( nret )
			return nret;
		
		WRITE( g_file_fd , log_buffer , log_buflen );
	}
	else
	{
		WRITE( g_file_fd , log_buffer , log_buflen );
	}
	
	return 0;
}
开发者ID:calvinwilliams，项目名称:G6，代码行数:60，代码来源:LOGC.c

示例11: va_copy

void StrBuf::vstrcat(CHAR const* format, va_list args)
{
    va_list org_args;
    va_copy(org_args, args);
    UINT l = VSNPRINTF(NULL, 0, format, args);    
    strcat(l, format, org_args);
    va_end(org_args);
}
开发者ID:stevenknown，项目名称:xoc，代码行数:8，代码来源:strbuf.cpp

示例12: ShowMsgVA

static int ShowMsgVA(UINT type, const char *pFmt, va_list va)
{
  char buf[1024];

  VSNPRINTF(buf, sizeof(buf)/sizeof(buf[0]), pFmt, va);

  return ShowMsg(buf, type);
}
开发者ID:210230，项目名称:com0com，代码行数:8，代码来源:msg.cpp

示例13: strformat

static std::string strformat(const char* fmt, ...)
{
	char buf[256];
	va_list args;
	va_start(args,fmt);
	VSNPRINTF(buf, sizeof(buf), fmt, args);
	va_end(args);
	return std::string(buf);
}
开发者ID:Liuyangbiao，项目名称:spring，代码行数:9，代码来源:CameraHandler.cpp

示例14: gtm_snprintf

/* Wrapper for snprintf() */
int	gtm_snprintf(char *str, size_t size, const char *format, ...)
{
	va_list		printargs;
	int		retval;

	va_start(printargs, format);
	VSNPRINTF(str, size, format, printargs, retval);
	va_end(printargs);
	return retval;
}
开发者ID:CeperaCPP，项目名称:fis-gtm，代码行数:11，代码来源:gtm_stdio.c

示例15: SPrintf

std::string SPrintf(const char *fmt, ...) {
	va_list ap;
	va_start(ap, fmt);

	char buf[512];
	VSNPRINTF(buf, sizeof(buf), fmt, ap);

	va_end(ap);
	return buf;
}
开发者ID:jcnossen，项目名称:qtrk，代码行数:10，代码来源:utils.cpp


注：本文中的VSNPRINTF函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。