C++ db_error函数代码示例

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本文整理汇总了C++中db_error函数的典型用法代码示例。如果您正苦于以下问题：C++ db_error函数的具体用法？C++ db_error怎么用？C++ db_error使用的例子？那么恭喜您, 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db_error函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: db_bus_write_cmd

void
db_bus_write_cmd(db_expr_t addr, bool have_addr, db_expr_t count,
    const char *modif)
{
	db_expr_t datum;
	bus_space_tag_t iot = &iobus_bs_tag; /* XXX */
	bus_space_handle_t ioh;

	if (!have_addr)
		db_error("target address must be specified");

	bus_space_map(iot, addr, 1, 0, &ioh);

	while (db_expression(&datum)) {
		switch (*modif) {
		case 'b':
			bus_space_write_1(iot, ioh, 0, datum);
			break;
		case '\0':
		case 'h':
			bus_space_write_2(iot, ioh, 0, datum);
			break;
		default:
			db_error("bad modifier");
		}
	}
	bus_space_unmap(iot, ioh, 1);
	db_skip_to_eol();
}

开发者ID:krytarowski，项目名称:netbsd-current-src-sys，代码行数:29，代码来源:db_machdep.c

示例2: db_def_macro_cmd

void
db_def_macro_cmd(void)
{
	register char *p;
	register int c;
	register struct db_user_macro *mp, *ep;

	if (db_read_token() != tIDENT) {
	    db_printf("Bad macro name \"%s\"\n", db_tok_string);
	    db_error(0);
	    /* NOTREACHED */
	}
	if ((mp = db_lookup_macro(db_tok_string)) == 0) {
	    if (db_macro_free <= 0)
		db_error("Too many macros\n");
		/* NOTREACHED */
	    ep = &db_user_macro[DB_NUSER_MACRO];
	    for (mp = db_user_macro; mp < ep && mp->m_name[0]; mp++);
	    if (mp >= ep)
		db_error("ddb: internal error(macro)\n");
		/* NOTREACHED */
	    db_macro_free--;
	    strlcpy(mp->m_name, db_tok_string, TOK_STRING_SIZE);
	}
	for (c = db_read_char(); c == ' ' || c == '\t'; c = db_read_char());
	for (p = mp->m_lbuf; c > 0; c = db_read_char())
	    *p++ = c;
	*p = 0;
	mp->m_size = p - mp->m_lbuf;
}

开发者ID:MACasuba，项目名称:MACasuba-Utils-git，代码行数:30，代码来源:db_macro.c

示例3: db_shift_expr

boolean_t
db_shift_expr(db_expr_t *valuep)
{
	db_expr_t	lhs, rhs;
	int		t;

	if (!db_add_expr(&lhs))
	    return (FALSE);

	t = db_read_token();
	while (t == tSHIFT_L || t == tSHIFT_R) {
	    if (!db_add_expr(&rhs)) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    if (rhs < 0) {
		db_error("Negative shift amount\n");
		/*NOTREACHED*/
	    }
	    if (t == tSHIFT_L)
		lhs <<= rhs;
	    else {
		/* Shift right is unsigned */
		lhs = (unsigned) lhs >> rhs;
	    }
	    t = db_read_token();
	}
	db_unread_token(t);
	*valuep = lhs;
	return (TRUE);
}

开发者ID:avsm，项目名称:openbsd-xen-sys，代码行数:31，代码来源:db_expr.c

示例4: db_msg

static const char *readline()
{
    int count;
    db_msg("prepare to readline\n");
      do{
            count = read(device_fd, s_ATBuffer,MAX_AT_RESPONSE);
            db_msg("readline count=%d\n",count);
                         
        } while (count < 0 && errno == EINTR);
      
        if (count > 0){ 
            
            s_ATBuffer[count] = '\0';//mark the string end
        }
        else if (count<=0) {
            /* read error encountered or EOF reached */
            if(count == 0) {
                db_error("ATchannel: EOF reached\n");
            } else {
                db_error("ATchannel: read error %s\n", strerror(errno));
            }
            return NULL;
        }
      
    return s_ATBuffer;
}

开发者ID:bitgothic，项目名称:h3_lichee，代码行数:26，代码来源:2gtester.c

示例5: db_check_interrupt

void
db_check_interrupt(void)
{
    int	c;

    c = cnmaygetc();
    switch (c) {
    case -1:		/* no character */
        return;

    case CTRL('c'):
        db_error(NULL);
    /*NOTREACHED*/

    case CTRL('s'):
        do {
            c = cnmaygetc();
            if (c == CTRL('c'))
                db_error(NULL);
        } while (c != CTRL('q'));
        break;

    default:
        /* drop on floor */
        break;
    }
}

开发者ID:juanfra684，项目名称:DragonFlyBSD，代码行数:27，代码来源:db_input.c

示例6: db_set_cmd

void
db_set_cmd(db_expr_t dummy1, bool dummy2, db_expr_t dummy3, char *dummy4)
{
	struct db_variable *vp;
	db_expr_t value;
	int t;

	t = db_read_token();
	if (t != tDOLLAR) {
		db_error("Unknown variable\n");
		return;
	}
	if (!db_find_variable(&vp)) {
		db_error("Unknown variable\n");
		return;
	}

	t = db_read_token();
	if (t != tEQ)
		db_unread_token(t);

	if (!db_expression(&value)) {
		db_error("No value\n");
		return;
	}
	if (db_read_token() != tEOL)
		db_error("?\n");

	db_write_variable(vp, value);
}

开发者ID:2asoft，项目名称:freebsd，代码行数:30，代码来源:db_variables.c

示例7: db_unary

boolean_t
db_unary(db_expr_t *valuep)
{
	int	t;

	t = db_read_token();
	if (t == tMINUS) {
	    if (!db_unary(valuep)) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    *valuep = -*valuep;
	    return (TRUE);
	}
	if (t == tSTAR) {
	    /* indirection */
	    if (!db_unary(valuep)) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    *valuep = db_get_value((db_addr_t)*valuep, sizeof(int), FALSE);
	    return (TRUE);
	}
	db_unread_token(t);
	return (db_term(valuep));
}

开发者ID:avsm，项目名称:openbsd-xen-sys，代码行数:26，代码来源:db_expr.c

示例8: db_mult_expr

boolean_t
db_mult_expr(db_expr_t *valuep)
{
	db_expr_t	lhs, rhs;
	int		t;

	if (!db_unary(&lhs))
	    return (FALSE);

	t = db_read_token();
	while (t == tSTAR || t == tSLASH || t == tPCT || t == tHASH) {
	    if (!db_term(&rhs)) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    if (t == tSTAR)
		lhs *= rhs;
	    else {
		if (rhs == 0) {
		    db_error("Divide by 0\n");
		    /*NOTREACHED*/
		}
		if (t == tSLASH)
		    lhs /= rhs;
		else if (t == tPCT)
		    lhs %= rhs;
		else
		    lhs = ((lhs+rhs-1)/rhs)*rhs;
	    }
	    t = db_read_token();
	}
	db_unread_token(t);
	*valuep = lhs;
	return (TRUE);
}

开发者ID:avsm，项目名称:openbsd-xen-sys，代码行数:35，代码来源:db_expr.c

示例9: db_error

void PlayBack::cdrplaybackicon(HWND hWnd,ResourceID mId,int iCmdShow)
{
	int retval;
	CDR_RECT rect;
	ResourceManager* rm;
	HWND retWnd;

	rm = ResourceManager::getInstance();
	retval = rm->getResBmp(mId, BMPTYPE_BASE, bmpIcon);
	if(retval < 0) {
		db_error("get current playback icon bmp failed\n");
		//return -1;
	}	
	rm->getResRect(mId, rect);	
	db_msg("luo rect.x=%d rect.y=%d rect.w=%d rect.h=%d \n ",rect.x,rect.y,rect.w,rect.h);
	
	retWnd = CreateWindowEx(CTRL_STATIC, "",
			WS_VISIBLE | WS_CHILD | SS_BITMAP | SS_CENTERIMAGE,
			WS_EX_TRANSPARENT,
			mId,		
			rect.x, rect.y,rect.w,rect.h,
			hWnd, (DWORD)&bmpIcon);
	
	if(retWnd == HWND_INVALID) {
		db_error("create playback icon label failed\n");
		//return -1;
	}
	ShowWindow(retWnd, iCmdShow);	
//	return 0;
}

开发者ID:tongjinlv，项目名称:Linux_Cpp，代码行数:30，代码来源:PlayBack.cpp

示例10: setup_device

static int setup_device(char *device_node_path,int setup_delay)
{
	struct termios  ios;

	device_fd= open (device_node_path, O_RDWR);
	if(device_fd<0){
		db_error("2glooptester:open device error\n");
	}

	/* disable echo on serial ports */
	tcgetattr( device_fd, &ios );
	ios.c_lflag = 0;  

	tcflush(device_fd, TCIFLUSH);
	cfsetospeed(&ios,B115200);
	if(tcsetattr( device_fd, TCSANOW, &ios )){
		db_error("set tty attr fail\n");
		return -1;
	}
	
	db_msg("sleep %d s to wait for hardware ready\n",setup_delay);
	sleep(setup_delay);//sleep befor hardware get ready

	return 0;
}

开发者ID:menghang，项目名称:a31_422_v33_lichee，代码行数:25，代码来源:2glooptester.c

示例11: scan_db

int
scan_db(DB *dbp)
{
    DBC *cursor;
    int ret, num_recs = 0;
    DBT key, data;

    ret = dbp->cursor(dbp, 0, &cursor, 0);
    if(ret)
    {
	db_error("DB->cursor", ret);
	return ret;
    }

    memset(&key, 0, sizeof(DBT));    
    memset(&data, 0, sizeof(DBT));
    
    while( (ret = cursor->c_get(cursor, &key, &data, DB_NEXT)) == 0)
	num_recs++;
    
    if(ret == DB_NOTFOUND)
	printf("Scan of %s completed successfully. Scanned %d records\n",
	       dbp->fname, num_recs);
    else
    {
	db_error("DBC->get", ret);
	return ret;
    }
    cursor->c_close(cursor);
    return 0;
}

开发者ID:SANL-2015，项目名称:SANL-2015，代码行数:31，代码来源:tpcc_helpers.c

示例12: create_db

/*
 * Create new db handle.
 */
int
create_db(DB_ENV *db_envp, DB **dbp, int PAGE_SIZE, int add_flags)
{
    int err;

    if(( err = db_create(dbp, db_envp, 0)))
    {
	db_error("db_create", err);
	return err;
    }
    if((err = (*dbp)->set_pagesize(*dbp, PAGE_SIZE)))
    {
	db_error("DB->set_pagesize", err);
	return err;
    }
    if(add_flags)
    {
	if ((err = (*dbp)->set_flags(*dbp, add_flags)) != 0)
	{
	    db_error("DB->set_flags", err);
	    return err;
	}
    }
    return 0;
}

开发者ID:SANL-2015，项目名称:SANL-2015，代码行数:28，代码来源:tpcc_helpers.c

示例13: db_set_cmd

/*ARGSUSED*/
void
db_set_cmd(db_expr_t addr, int have_addr, db_expr_t count, char *modif)
{
	db_expr_t	value;
	struct db_variable *vp;
	int	t;

	t = db_read_token();
	if (t != tDOLLAR) {
	    db_error("Unknown variable\n");
	    /*NOTREACHED*/
	}
	if (!db_find_variable(&vp)) {
	    db_error("Unknown variable\n");
	    /*NOTREACHED*/
	}

	t = db_read_token();
	if (t != tEQ)
	    db_unread_token(t);

	if (!db_expression(&value)) {
	    db_error("No value\n");
	    /*NOTREACHED*/
	}
	if (db_read_token() != tEOL) {
	    db_error("?\n");
	    /*NOTREACHED*/
	}

	db_write_variable(vp, &value);
}

开发者ID:SylvestreG，项目名称:bitrig，代码行数:33，代码来源:db_variables.c

示例14: assert

///
/// @param name		Table name to check for
/// @return			True if table name exists
///
/// Return whether a table with the specified name exists in the current database.
bool	sqlite::table_exists(const std::string& name)
{
	assert(db_);

	// check the master table first
	std::string sql = "select name from sqlite_master where type IN ('table','view') AND name=?";
	sqlite3_stmt* stmt;
	if(sqlite3_prepare(db_, sql.c_str(), sql.length(), &stmt, 0) != SQLITE_OK)
		throw db_error(sqlite3_errmsg(db_));

	sqlite3_bind_text(stmt, 1, name.c_str(), name.length(), SQLITE_TRANSIENT);

	int result = sqlite3_step(stmt);
	sqlite3_finalize(stmt);
	if(result == SQLITE_ROW)
		return true;

	// check the temp_master table last
	sql = "select name from sqlite_temp_master where type IN ('table','view') AND name=?";
	if(sqlite3_prepare(db_, sql.c_str(), sql.length(), &stmt, 0) != SQLITE_OK)
		throw db_error(sqlite3_errmsg(db_));

	sqlite3_bind_text(stmt, 1, name.c_str(), name.length(), SQLITE_TRANSIENT);
	result = sqlite3_step(stmt);
	sqlite3_finalize(stmt);
	return result == SQLITE_ROW;
}

开发者ID:Endt4sk，项目名称:mt4tradeduplicator，代码行数:32，代码来源:sdsqlite.cpp

示例15: db_kill_proc

void
db_kill_proc(db_expr_t addr, bool haddr,
    db_expr_t count, const char *modif)
{
#ifdef _KERNEL	/* XXX CRASH(8) */
	struct proc *p;
	ksiginfo_t	ksi;
	db_expr_t pid, sig;
	int t;

	/* What pid? */
	if (!db_expression(&pid)) {
	       db_error("pid?\n");
	       /*NOTREACHED*/
	}
	/* What sig? */
	t = db_read_token();
	if (t == tCOMMA) {
	       if (!db_expression(&sig)) {
		       db_error("sig?\n");
		       /*NOTREACHED*/
	       }
	} else {
	       db_unread_token(t);
	       sig = 15;
	}
	if (db_read_token() != tEOL) {
	       db_error("?\n");
	       /*NOTREACHED*/
	}
	/* We might stop when the mutex is held or when not */
	t = mutex_tryenter(proc_lock);
#ifdef DIAGNOSTIC
	if (!t) {
	       db_error("could not acquire proc_lock mutex\n");
	       /*NOTREACHED*/
	}
#endif
	p = proc_find((pid_t)pid);
	if (p == NULL) {
		if (t)
			mutex_exit(proc_lock);
		db_error("no such proc\n");
		/*NOTREACHED*/
	}
	KSI_INIT(&ksi);
	ksi.ksi_signo = sig;
	ksi.ksi_code = SI_USER;
	ksi.ksi_pid = 0;
	ksi.ksi_uid = 0;
	mutex_enter(p->p_lock);
	kpsignal2(p, &ksi);
	mutex_exit(p->p_lock);
	if (t)
		mutex_exit(proc_lock);
#else
	db_printf("This command is not currently supported.\n");
#endif
}

开发者ID:eyberg，项目名称:rumpkernel-netbsd-src，代码行数:59，代码来源:db_xxx.c

示例16: db_write_cmd

/*ARGSUSED*/
void
db_write_cmd(db_expr_t	address, boolean_t have_addr, db_expr_t count,
    char *modif)
{
	db_addr_t	addr;
	db_expr_t	old_value;
	db_expr_t	new_value;
	int		size;
	boolean_t	wrote_one = FALSE;
	char		tmpfmt[28];

	addr = (db_addr_t) address;

	switch (modif[0]) {
	case 'b':
		size = 1;
		break;
	case 'h':
		size = 2;
		break;
	case 'l':
	case '\0':
		size = 4;
		break;
#ifdef __LP64__
	case 'q':
		size = 8;
		break;
#endif
	default:
		size = -1;
		db_error("Unknown size\n");
		/*NOTREACHED*/
	}

	while (db_expression(&new_value)) {
		old_value = db_get_value(addr, size, FALSE);
		db_printsym(addr, DB_STGY_ANY, db_printf);
		db_printf("\t\t%s\t", db_format(tmpfmt, sizeof tmpfmt,
		    old_value, DB_FORMAT_N, 0, 8));
		db_printf("=\t%s\n",  db_format(tmpfmt, sizeof tmpfmt,
		    new_value, DB_FORMAT_N, 0, 8));
		db_put_value(addr, size, new_value);
		addr += size;

		wrote_one = TRUE;
	}

	if (!wrote_one) {
		db_error("Nothing written.\n");
		/*NOTREACHED*/
	}

	db_next = addr;
	db_prev = addr - size;

	db_skip_to_eol();
}

开发者ID:ajinkya93，项目名称:OpenBSD，代码行数:59，代码来源:db_command.c

示例17: db_cond_cmd

void
db_cond_cmd(void)
{
	register  int c;
	register  struct db_cond *cp;
	register  char *p;
	db_expr_t value;
	db_thread_breakpoint_t bkpt;

	if (db_read_token() != tHASH || db_read_token() != tNUMBER) {
	    db_printf("#<number> expected instead of \"%s\"\n", db_tok_string);
	    db_error(0);
	    return;
	}
	if ((bkpt = db_find_breakpoint_number(db_tok_number, 0)) == 0) {
	    db_printf("No such break point #%d\n", db_tok_number);
	    db_error(0);
	    return;
	}
	/*
	 * if the break point already has a condition, free it first
	 */
	if (bkpt->tb_cond > 0) {
	    cp = &db_cond[bkpt->tb_cond - 1];
	    db_cond_free(bkpt);
	} else {
	    if (db_ncond_free <= 0) {
		db_error("Too many conditions\n");
		return;
	    }
	    for (cp = db_cond; cp < &db_cond[DB_MAX_COND]; cp++)
		if (cp->c_size == 0)
		    break;
	    if (cp >= &db_cond[DB_MAX_COND])
		panic("bad db_cond_free");
	}
	for (c = db_read_char(); c == ' ' || c == '\t'; c = db_read_char());
	for (p = cp->c_cond_cmd; c >= 0; c = db_read_char())
	    *p++ = c;
	/*
	 * switch to saved data and call db_expression to check the condition.
	 * If no condition is supplied, db_expression will return false.
	 * In this case, clear previous condition of the break point.
         * If condition is supplied, set the condition to the permanent area.
	 * Note: db_expression will not return here, if the condition
	 *       expression is wrong.
	 */
	db_switch_input(cp->c_cond_cmd, p - cp->c_cond_cmd);
	if (!db_expression(&value)) {
	    /* since condition is already freed, do nothing */
	    db_flush_lex();
	    return;
	}
	db_flush_lex();
	db_ncond_free--;
	cp->c_size = p - cp->c_cond_cmd;
	bkpt->tb_cond = (cp - db_cond) + 1;
}

开发者ID:MACasuba，项目名称:MACasuba-Utils-git，代码行数:58，代码来源:db_cond.c

示例18: db_write_cmd

/*ARGSUSED*/
void
db_write_cmd(db_expr_t address, bool have_addr,
    db_expr_t count, const char *modif)
{
	db_addr_t	addr;
	db_expr_t	old_value;
	db_expr_t	new_value;
	int		size;
	bool		wrote_one;
	bool		show_old_val;

	addr = (db_addr_t) address;
	wrote_one = false;
	show_old_val = islower((unsigned char)modif[0]);

	switch (tolower((unsigned char)modif[0])) {
	case 'b':
		size = 1;
		break;
	case 'h':
		size = 2;
		break;
	case 'l':
	case '\0':
		size = 4;
		break;
	default:
		size = -1;
		db_error("Unknown size\n");
		/*NOTREACHED*/
	}

	while (db_expression(&new_value)) {
		db_printsym(addr, DB_STGY_ANY, db_printf);
		if (show_old_val) {
			old_value = db_get_value(addr, size, false);
			db_printf("\t\t%s = ", db_num_to_str(old_value));
			db_printf("%s\n", db_num_to_str(new_value));
		}
		else
			db_printf("\t\t= %s\n", db_num_to_str(new_value));
		db_put_value(addr, size, new_value);
		addr += size;

		wrote_one = true;
	}

	if (!wrote_one) {
		db_error("Nothing written.\n");
		/*NOTREACHED*/
	}

	db_next = addr;
	db_prev = addr - size;

	db_skip_to_eol();
}

开发者ID:eyberg，项目名称:rumpkernel-netbsd-src，代码行数:58，代码来源:db_write_cmd.c

示例19: db_term

static boolean_t
db_term(db_expr_t *valuep)
{
	int	t;

	t = db_read_token();
	if (t == tIDENT) {
	    if (!db_value_of_name(db_tok_string, valuep) &&
		!db_value_of_name_pcpu(db_tok_string, valuep) &&
		!db_value_of_name_vnet(db_tok_string, valuep)) {
		db_error("Symbol not found\n");
		/*NOTREACHED*/
	    }
	    return (TRUE);
	}
	if (t == tNUMBER) {
	    *valuep = (db_expr_t)db_tok_number;
	    return (TRUE);
	}
	if (t == tDOT) {
	    *valuep = (db_expr_t)db_dot;
	    return (TRUE);
	}
	if (t == tDOTDOT) {
	    *valuep = (db_expr_t)db_prev;
	    return (TRUE);
	}
	if (t == tPLUS) {
	    *valuep = (db_expr_t) db_next;
	    return (TRUE);
	}
	if (t == tDITTO) {
	    *valuep = (db_expr_t)db_last_addr;
	    return (TRUE);
	}
	if (t == tDOLLAR) {
	    if (!db_get_variable(valuep))
		return (FALSE);
	    return (TRUE);
	}
	if (t == tLPAREN) {
	    if (!db_expression(valuep)) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    t = db_read_token();
	    if (t != tRPAREN) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    return (TRUE);
	}
	db_unread_token(t);
	return (FALSE);
}

开发者ID:AhmadTux，项目名称:freebsd，代码行数:55，代码来源:db_expr.c

示例20: setup_2g_device

int setup_2g_device(char *device_node_path,int setup_delay)
{
    char *p_cur;
    int sl;
    struct termios  ios;
    
    device_fd= open (device_node_path, O_RDWR);
    if(device_fd<0)
    {
        db_error("2gtester:open device error\n");
    }
    
   /* disable echo on serial ports */
   tcgetattr( device_fd, &ios );
   ios.c_lflag = 0;  

   tcflush(device_fd, TCIFLUSH);
   cfsetospeed(&ios,B115200);
   
   if(tcsetattr( device_fd, TCSANOW, &ios ))
   {
      db_error("set tty attr fail\n");
      return 0;
   }
   
    db_msg("sleep %d s to wait for hardware ready\n",setup_delay);

    sleep(setup_delay);//sleep befor hardware get ready
    readline(); //dump the  msg
    db_msg("2gtester dump readline: %s\n",s_ATBuffer);

    
    if(writeline("AT+CSQ")){ //WRITE single query command
        return 0;
    }
    
    sleep(1);
    if(!readline()){
        db_error("2gtester:no correct response for the AT+CSQ\n");
        return 0;
    }
    db_msg("2gtester AT+CSQ readline: %s\n",s_ATBuffer);
    p_cur=strstr(s_ATBuffer,"+CSQ:");
    if (*p_cur == NULL) {
        return 0;
    }

    p_cur+=5; //point to the rssi start position
    db_msg("p_cur=%s\n",p_cur);
    sl=atoi(p_cur);
    sl=(sl*2)-113;
    db_msg("sl=%d\n",sl);
    return sl;
    
}

开发者ID:bitgothic，项目名称:h3_lichee，代码行数:55，代码来源:2gtester.c

注：本文中的db_error函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，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。