~drizzle-trunk/drizzle/development

/*

 * Drizzle Client & Protocol Library

 *

 * Copyright (C) 2008 Eric Day (eday@oddments.org)

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * 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 documentation and/or other materials provided with the

 * distribution.

 *

 *     * The names of its contributors may not be used to endorse or

 * promote products derived from this software without specific prior

 * written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND 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 COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 */

/**

 * @file

 * @brief Defines, typedefs, enums, and macros

 */

#ifndef __DRIZZLE_CONSTANTS_H

#define __DRIZZLE_CONSTANTS_H

#ifdef __cplusplus

extern "C" {

#endif

/**

 * @addtogroup drizzle_constants Constants

 * @ingroup drizzle_client_interface

 * @ingroup drizzle_server_interface

 * @{

 */

/**

 * @todo Remove these with next major API change.

 */

#define DRIZZLE_RETURN_SERVER_GONE DRIZZLE_RETURN_LOST_CONNECTION

#define DRIZZLE_RETURN_EOF DRIZZLE_RETURN_LOST_CONNECTION

#define DRIZZLE_COLUMN_TYPE_VIRTUAL 17

/* Defines. */

#define DRIZZLE_DEFAULT_TCP_HOST         "127.0.0.1"

#define DRIZZLE_DEFAULT_TCP_PORT         4427

#define DRIZZLE_DEFAULT_TCP_PORT_MYSQL   4427

#define DRIZZLE_DEFAULT_UDS              "/tmp/drizzle.sock"

#define DRIZZLE_DEFAULT_UDS_MYSQL        "/tmp/mysql.sock"

#define DRIZZLE_DEFAULT_BACKLOG          64

#define DRIZZLE_MAX_ERROR_SIZE           2048

#define DRIZZLE_MAX_USER_SIZE            64

#define DRIZZLE_MAX_PASSWORD_SIZE        32

#define DRIZZLE_MAX_DB_SIZE              64

#define DRIZZLE_MAX_INFO_SIZE            2048

#define DRIZZLE_MAX_SQLSTATE_SIZE        5

#define DRIZZLE_MAX_CATALOG_SIZE         128

#define DRIZZLE_MAX_TABLE_SIZE           128

#define DRIZZLE_MAX_COLUMN_NAME_SIZE     2048

#define DRIZZLE_MAX_DEFAULT_VALUE_SIZE   2048

#define DRIZZLE_MAX_PACKET_SIZE          UINT32_MAX

#define DRIZZLE_MAX_BUFFER_SIZE          32768

#define DRIZZLE_BUFFER_COPY_THRESHOLD    8192

#define DRIZZLE_MAX_SERVER_VERSION_SIZE  32

#define DRIZZLE_MAX_SERVER_EXTRA_SIZE    32

#define DRIZZLE_MAX_SCRAMBLE_SIZE        20

#define DRIZZLE_STATE_STACK_SIZE         8

#define DRIZZLE_ROW_GROW_SIZE            8192

#define DRIZZLE_DEFAULT_SOCKET_TIMEOUT   10

#define DRIZZLE_DEFAULT_SOCKET_SEND_SIZE 32768

#define DRIZZLE_DEFAULT_SOCKET_RECV_SIZE 32768

#define DRIZZLE_MYSQL_PASSWORD_HASH      41

/**

 * Return codes.

 */

typedef enum

{

  DRIZZLE_RETURN_OK,

  DRIZZLE_RETURN_IO_WAIT,

  DRIZZLE_RETURN_PAUSE,

  DRIZZLE_RETURN_ROW_BREAK,

  DRIZZLE_RETURN_MEMORY,

  DRIZZLE_RETURN_ERRNO,

  DRIZZLE_RETURN_INTERNAL_ERROR,

  DRIZZLE_RETURN_GETADDRINFO,

  DRIZZLE_RETURN_NOT_READY,

  DRIZZLE_RETURN_BAD_PACKET_NUMBER,

  DRIZZLE_RETURN_BAD_HANDSHAKE_PACKET,

  DRIZZLE_RETURN_BAD_PACKET,

  DRIZZLE_RETURN_PROTOCOL_NOT_SUPPORTED,

  DRIZZLE_RETURN_UNEXPECTED_DATA,

  DRIZZLE_RETURN_NO_SCRAMBLE,

  DRIZZLE_RETURN_AUTH_FAILED,

  DRIZZLE_RETURN_NULL_SIZE,

  DRIZZLE_RETURN_ERROR_CODE,

  DRIZZLE_RETURN_TOO_MANY_COLUMNS,

  DRIZZLE_RETURN_ROW_END,

  DRIZZLE_RETURN_LOST_CONNECTION,

  DRIZZLE_RETURN_COULD_NOT_CONNECT,

  DRIZZLE_RETURN_NO_ACTIVE_CONNECTIONS,

  DRIZZLE_RETURN_HANDSHAKE_FAILED,

  DRIZZLE_RETURN_TIMEOUT,

  DRIZZLE_RETURN_MAX /* Always add new codes to the end before this one. */

} drizzle_return_t;

/**

 * Verbosity levels.

 */

typedef enum

{

  DRIZZLE_VERBOSE_NEVER,

  DRIZZLE_VERBOSE_FATAL,

  DRIZZLE_VERBOSE_ERROR,

  DRIZZLE_VERBOSE_INFO,

  DRIZZLE_VERBOSE_DEBUG,

  DRIZZLE_VERBOSE_CRAZY,

  DRIZZLE_VERBOSE_MAX

} drizzle_verbose_t;

/** @} */

/**

 * @ingroup drizzle

 * Options for drizzle_st.

 */

typedef enum

{

  DRIZZLE_NONE=            0,

  DRIZZLE_ALLOCATED=       (1 << 0),

  DRIZZLE_NON_BLOCKING=    (1 << 1),

  DRIZZLE_FREE_OBJECTS=    (1 << 2),

  DRIZZLE_ASSERT_DANGLING= (1 << 3)

} drizzle_options_t;

/**

 * @ingroup drizzle_con

 * Options for drizzle_con_st.

 */

typedef enum

{

  DRIZZLE_CON_NONE=           0,

  DRIZZLE_CON_ALLOCATED=      (1 << 0),

  DRIZZLE_CON_MYSQL=          (1 << 1),

  DRIZZLE_CON_RAW_PACKET=     (1 << 2),

  DRIZZLE_CON_RAW_SCRAMBLE=   (1 << 3),

  DRIZZLE_CON_READY=          (1 << 4),

  DRIZZLE_CON_NO_RESULT_READ= (1 << 5),

  DRIZZLE_CON_IO_READY=       (1 << 6),

  DRIZZLE_CON_LISTEN=         (1 << 7),

  DRIZZLE_CON_EXPERIMENTAL=   (1 << 8),

  DRIZZLE_CON_FOUND_ROWS=     (1 << 9),

  DRIZZLE_CON_ADMIN=          (1 << 10)

} drizzle_con_options_t;

/**

 * @ingroup drizzle_con

 * Socket types for drizzle_con_st.

 */

typedef enum

{

  DRIZZLE_CON_SOCKET_TCP= 0,

  DRIZZLE_CON_SOCKET_UDS= (1 << 0)

} drizzle_con_socket_t;

/**

 * @ingroup drizzle_con

 * Status flags for drizle_con_st.

 */

typedef enum

{

  DRIZZLE_CON_STATUS_NONE=                     0,

  DRIZZLE_CON_STATUS_IN_TRANS=                 (1 << 0),

  DRIZZLE_CON_STATUS_AUTOCOMMIT=               (1 << 1),

  DRIZZLE_CON_STATUS_MORE_RESULTS_EXISTS=      (1 << 3),

  DRIZZLE_CON_STATUS_QUERY_NO_GOOD_INDEX_USED= (1 << 4),

  DRIZZLE_CON_STATUS_QUERY_NO_INDEX_USED=      (1 << 5),

  DRIZZLE_CON_STATUS_CURSOR_EXISTS=            (1 << 6),

  DRIZZLE_CON_STATUS_LAST_ROW_SENT=            (1 << 7),

  DRIZZLE_CON_STATUS_DB_DROPPED=               (1 << 8),

  DRIZZLE_CON_STATUS_NO_BACKSLASH_ESCAPES=     (1 << 9),

  DRIZZLE_CON_STATUS_QUERY_WAS_SLOW=           (1 << 10)

} drizzle_con_status_t;

/**

 * @ingroup drizzle_con

 * Capabilities for drizzle_con_st.

 */

typedef enum

{

  DRIZZLE_CAPABILITIES_NONE=                   0,

  DRIZZLE_CAPABILITIES_LONG_PASSWORD=          (1 << 0),

  DRIZZLE_CAPABILITIES_FOUND_ROWS=             (1 << 1),

  DRIZZLE_CAPABILITIES_LONG_FLAG=              (1 << 2),

  DRIZZLE_CAPABILITIES_CONNECT_WITH_DB=        (1 << 3),

  DRIZZLE_CAPABILITIES_NO_SCHEMA=              (1 << 4),

  DRIZZLE_CAPABILITIES_COMPRESS=               (1 << 5),

  DRIZZLE_CAPABILITIES_ODBC=                   (1 << 6),

  DRIZZLE_CAPABILITIES_LOCAL_FILES=            (1 << 7),

  DRIZZLE_CAPABILITIES_IGNORE_SPACE=           (1 << 8),

  DRIZZLE_CAPABILITIES_PROTOCOL_41=            (1 << 9),

  DRIZZLE_CAPABILITIES_INTERACTIVE=            (1 << 10),

  DRIZZLE_CAPABILITIES_SSL=                    (1 << 11),

  DRIZZLE_CAPABILITIES_IGNORE_SIGPIPE=         (1 << 12),

  DRIZZLE_CAPABILITIES_TRANSACTIONS=           (1 << 13),

  DRIZZLE_CAPABILITIES_RESERVED=               (1 << 14),

  DRIZZLE_CAPABILITIES_SECURE_CONNECTION=      (1 << 15),

  DRIZZLE_CAPABILITIES_MULTI_STATEMENTS=       (1 << 16),

  DRIZZLE_CAPABILITIES_MULTI_RESULTS=          (1 << 17),

  DRIZZLE_CAPABILITIES_ADMIN=                  (1 << 25),

  DRIZZLE_CAPABILITIES_CLIENT= (DRIZZLE_CAPABILITIES_LONG_PASSWORD |

                                DRIZZLE_CAPABILITIES_FOUND_ROWS |

                                DRIZZLE_CAPABILITIES_LONG_FLAG |

                                DRIZZLE_CAPABILITIES_CONNECT_WITH_DB |

                                DRIZZLE_CAPABILITIES_TRANSACTIONS |

                                DRIZZLE_CAPABILITIES_PROTOCOL_41 |

                                DRIZZLE_CAPABILITIES_SECURE_CONNECTION |

                                DRIZZLE_CAPABILITIES_ADMIN)

} drizzle_capabilities_t;

/**

 * @ingroup drizzle_command 

 * Commands for drizzle_command functions.

 */

typedef enum

{

  DRIZZLE_COMMAND_SLEEP,               /* Not used currently. */

  DRIZZLE_COMMAND_QUIT,

  DRIZZLE_COMMAND_INIT_DB,

  DRIZZLE_COMMAND_QUERY,

  DRIZZLE_COMMAND_FIELD_LIST,          /* Deprecated. */

  DRIZZLE_COMMAND_CREATE_DB,           /* Deprecated. */

  DRIZZLE_COMMAND_DROP_DB,             /* Deprecated. */

  DRIZZLE_COMMAND_REFRESH,

  DRIZZLE_COMMAND_SHUTDOWN,

  DRIZZLE_COMMAND_STATISTICS,

  DRIZZLE_COMMAND_PROCESS_INFO,        /* Deprecated. */

  DRIZZLE_COMMAND_CONNECT,             /* Not used currently. */

  DRIZZLE_COMMAND_PROCESS_KILL,        /* Deprecated. */

  DRIZZLE_COMMAND_DEBUG,

  DRIZZLE_COMMAND_PING,

  DRIZZLE_COMMAND_TIME,                /* Not used currently. */

  DRIZZLE_COMMAND_DELAYED_INSERT,      /* Not used currently. */

  DRIZZLE_COMMAND_CHANGE_USER,

  DRIZZLE_COMMAND_BINLOG_DUMP,         /* Not used currently. */

  DRIZZLE_COMMAND_TABLE_DUMP,          /* Not used currently. */

  DRIZZLE_COMMAND_CONNECT_OUT,         /* Not used currently. */

  DRIZZLE_COMMAND_REGISTER_SLAVE,      /* Not used currently. */

  DRIZZLE_COMMAND_STMT_PREPARE,        /* Not used currently. */

  DRIZZLE_COMMAND_STMT_EXECUTE,        /* Not used currently. */

  DRIZZLE_COMMAND_STMT_SEND_LONG_DATA, /* Not used currently. */

  DRIZZLE_COMMAND_STMT_CLOSE,          /* Not used currently. */

  DRIZZLE_COMMAND_STMT_RESET,          /* Not used currently. */

  DRIZZLE_COMMAND_SET_OPTION,          /* Not used currently. */

  DRIZZLE_COMMAND_STMT_FETCH,          /* Not used currently. */

  DRIZZLE_COMMAND_DAEMON,              /* Not used currently. */

  DRIZZLE_COMMAND_END                  /* Not used currently. */

} drizzle_command_t;

/**

 * @ingroup drizzle_command 

 * Commands for the Drizzle protocol functions.

 */

typedef enum

{

  DRIZZLE_COMMAND_DRIZZLE_SLEEP,

  DRIZZLE_COMMAND_DRIZZLE_QUIT,

  DRIZZLE_COMMAND_DRIZZLE_INIT_DB,

  DRIZZLE_COMMAND_DRIZZLE_QUERY,

  DRIZZLE_COMMAND_DRIZZLE_SHUTDOWN,

  DRIZZLE_COMMAND_DRIZZLE_CONNECT,

  DRIZZLE_COMMAND_DRIZZLE_PING,

  DRIZZLE_COMMAND_DRIZZLE_END

} drizzle_command_drizzle_t;

/**

 * @ingroup drizzle_query

 * Options for drizzle_query_st.

 */

typedef enum

{

  DRIZZLE_QUERY_NONE,

  DRIZZLE_QUERY_ALLOCATED= (1 << 0)

} drizzle_query_options_t;

/**

 * @ingroup drizzle_query

 * States for drizle_query_st.

 */

typedef enum

{

  DRIZZLE_QUERY_STATE_INIT,

  DRIZZLE_QUERY_STATE_QUERY,

  DRIZZLE_QUERY_STATE_RESULT,

  DRIZZLE_QUERY_STATE_DONE

} drizzle_query_state_t;

/**

 * @ingroup drizzle_result

 * Options for drizzle_result_st.

 */

typedef enum

{

  DRIZZLE_RESULT_NONE=          0,

  DRIZZLE_RESULT_ALLOCATED=     (1 << 0),

  DRIZZLE_RESULT_SKIP_COLUMN=   (1 << 1),

  DRIZZLE_RESULT_BUFFER_COLUMN= (1 << 2),

  DRIZZLE_RESULT_BUFFER_ROW=    (1 << 3),

  DRIZZLE_RESULT_EOF_PACKET=    (1 << 4),

  DRIZZLE_RESULT_ROW_BREAK=     (1 << 5)

} drizzle_result_options_t;

/**

 * @ingroup drizzle_column

 * Options for drizzle_column_st.

 */

typedef enum

{

  DRIZZLE_COLUMN_ALLOCATED= (1 << 0)

} drizzle_column_options_t;

/**

 * @ingroup drizzle_column

 * Types for drizzle_column_st.

 */

typedef enum

{

  DRIZZLE_COLUMN_TYPE_DECIMAL,

  DRIZZLE_COLUMN_TYPE_TINY,

  DRIZZLE_COLUMN_TYPE_SHORT,

  DRIZZLE_COLUMN_TYPE_LONG,

  DRIZZLE_COLUMN_TYPE_FLOAT,

  DRIZZLE_COLUMN_TYPE_DOUBLE,

  DRIZZLE_COLUMN_TYPE_NULL,

  DRIZZLE_COLUMN_TYPE_TIMESTAMP,

  DRIZZLE_COLUMN_TYPE_LONGLONG,

  DRIZZLE_COLUMN_TYPE_INT24,

  DRIZZLE_COLUMN_TYPE_DATE,

  DRIZZLE_COLUMN_TYPE_TIME,

  DRIZZLE_COLUMN_TYPE_DATETIME,

  DRIZZLE_COLUMN_TYPE_YEAR,

  DRIZZLE_COLUMN_TYPE_NEWDATE,

  DRIZZLE_COLUMN_TYPE_VARCHAR,

  DRIZZLE_COLUMN_TYPE_BIT,

  DRIZZLE_COLUMN_TYPE_NEWDECIMAL=  246,

  DRIZZLE_COLUMN_TYPE_ENUM=        247,

  DRIZZLE_COLUMN_TYPE_SET=         248,

  DRIZZLE_COLUMN_TYPE_TINY_BLOB=   249,

  DRIZZLE_COLUMN_TYPE_MEDIUM_BLOB= 250,

  DRIZZLE_COLUMN_TYPE_LONG_BLOB=   251,

  DRIZZLE_COLUMN_TYPE_BLOB=        252,

  DRIZZLE_COLUMN_TYPE_VAR_STRING=  253,

  DRIZZLE_COLUMN_TYPE_STRING=      254,

  DRIZZLE_COLUMN_TYPE_GEOMETRY=    255

} drizzle_column_type_t;

/**

 * @ingroup drizzle_column

 * Types for drizzle_column_st for Drizzle.

 */

typedef enum

{

  DRIZZLE_COLUMN_TYPE_DRIZZLE_TINY,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_LONG,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_DOUBLE,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_NULL,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_TIMESTAMP,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_LONGLONG,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_DATETIME,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_DATE,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_VARCHAR,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_NEWDECIMAL,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_ENUM,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_BLOB,

  DRIZZLE_COLUMN_TYPE_DRIZZLE_MAX=DRIZZLE_COLUMN_TYPE_DRIZZLE_BLOB

} drizzle_column_type_drizzle_t;

/**

 * @ingroup drizzle_column

 * Flags for drizzle_column_st.

 */

typedef enum

{

  DRIZZLE_COLUMN_FLAGS_NONE=             0,

  DRIZZLE_COLUMN_FLAGS_NOT_NULL=         (1 << 0),

  DRIZZLE_COLUMN_FLAGS_PRI_KEY=          (1 << 1),

  DRIZZLE_COLUMN_FLAGS_UNIQUE_KEY=       (1 << 2),

  DRIZZLE_COLUMN_FLAGS_MULTIPLE_KEY=     (1 << 3),

  DRIZZLE_COLUMN_FLAGS_BLOB=             (1 << 4),

  DRIZZLE_COLUMN_FLAGS_UNSIGNED=         (1 << 5),

  DRIZZLE_COLUMN_FLAGS_ZEROFILL=         (1 << 6),

  DRIZZLE_COLUMN_FLAGS_BINARY=           (1 << 7),

  DRIZZLE_COLUMN_FLAGS_ENUM=             (1 << 8),

  DRIZZLE_COLUMN_FLAGS_AUTO_INCREMENT=   (1 << 9),

  DRIZZLE_COLUMN_FLAGS_TIMESTAMP=        (1 << 10),

  DRIZZLE_COLUMN_FLAGS_SET=              (1 << 11),

  DRIZZLE_COLUMN_FLAGS_NO_DEFAULT_VALUE= (1 << 12),

  DRIZZLE_COLUMN_FLAGS_ON_UPDATE_NOW=    (1 << 13),

  DRIZZLE_COLUMN_FLAGS_PART_KEY=         (1 << 14),

  DRIZZLE_COLUMN_FLAGS_NUM=              (1 << 15),

  DRIZZLE_COLUMN_FLAGS_GROUP=            (1 << 15), /* NUM & GROUP the same. */

  DRIZZLE_COLUMN_FLAGS_UNIQUE=           (1 << 16),

  DRIZZLE_COLUMN_FLAGS_BINCMP=           (1 << 17),

  DRIZZLE_COLUMN_FLAGS_GET_FIXED_FIELDS= (1 << 18),

  DRIZZLE_COLUMN_FLAGS_IN_PART_FUNC=     (1 << 19),

  DRIZZLE_COLUMN_FLAGS_IN_ADD_INDEX=     (1 << 20),

  DRIZZLE_COLUMN_FLAGS_RENAMED=          (1 << 21)

} drizzle_column_flags_t;

/**

 * @addtogroup drizzle_types Types

 * @ingroup drizzle_client_interface

 * @ingroup drizzle_server_interface

 * @{

 */

/* Types. */

typedef struct drizzle_st drizzle_st;

typedef struct drizzle_con_tcp_st drizzle_con_tcp_st;

typedef struct drizzle_con_uds_st drizzle_con_uds_st;

typedef struct drizzle_con_st drizzle_con_st;

typedef struct drizzle_query_st drizzle_query_st;

typedef struct drizzle_result_st drizzle_result_st;

typedef struct drizzle_column_st drizzle_column_st;

typedef char *drizzle_field_t;

typedef drizzle_field_t *drizzle_row_t;

typedef uint8_t drizzle_charset_t;

/* Function types. */

typedef void (drizzle_context_free_fn)(drizzle_st *drizzle,

                                       void *context);

typedef void (drizzle_log_fn)(const char *line, drizzle_verbose_t verbose,

                              void *context);

typedef drizzle_return_t (drizzle_state_fn)(drizzle_con_st *con);

typedef void (drizzle_con_context_free_fn)(drizzle_con_st *con,

                                           void *context);

typedef void (drizzle_query_context_free_fn)(drizzle_query_st *query,

                                             void *context);

/**

 * Custom function to register or deregister interest in file descriptor

 * events. See drizzle_set_event_watch_fn().

 *

 * @param[in] con Connection that has changed the events it is interested in.

 *  Use drizzle_con_fd() to get the file descriptor.

 * @param[in] events A bit mask of POLLIN | POLLOUT, specifying if the

 *  connection is waiting for read or write events.

 * @param[in] context Application context pointer registered with

 *  drizzle_set_event_watch_fn().

 * @return DRIZZLE_RETURN_OK if successful.

 */

typedef drizzle_return_t (drizzle_event_watch_fn)(drizzle_con_st *con,

                                                  short events,

                                                  void *context);

/** @} */

/**

 * @addtogroup drizzle_macros Macros

 * @ingroup drizzle_client_interface

 * @ingroup drizzle_server_interface

 * @{

 */

/* Protocol unpacking macros. */

#define drizzle_get_byte2(__buffer) \

  (uint16_t)((__buffer)[0] | \

            ((__buffer)[1] << 8))

#define drizzle_get_byte3(__buffer) \

  (uint32_t)((__buffer)[0] | \

            ((__buffer)[1] << 8) | \

            ((__buffer)[2] << 16))

#define drizzle_get_byte4(__buffer) \

  (uint32_t)((__buffer)[0] | \

            ((__buffer)[1] << 8) | \

            ((__buffer)[2] << 16) | \

            ((__buffer)[3] << 24))

#define drizzle_get_byte8(__buffer) \

  ((uint64_t)(__buffer)[0] | \

  ((uint64_t)(__buffer)[1] << 8) | \

  ((uint64_t)(__buffer)[2] << 16) | \

  ((uint64_t)(__buffer)[3] << 24) | \

  ((uint64_t)(__buffer)[4] << 32) | \

  ((uint64_t)(__buffer)[5] << 40) | \

  ((uint64_t)(__buffer)[6] << 48) | \

  ((uint64_t)(__buffer)[7] << 56))

/* Protocol packing macros. */

#define drizzle_set_byte2(__buffer, __int) do { \

  (__buffer)[0]= (uint8_t)((__int) & 0xFF); \

  (__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); } while (0)

#define drizzle_set_byte3(__buffer, __int) do { \

  (__buffer)[0]= (uint8_t)((__int) & 0xFF); \

  (__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); \

  (__buffer)[2]= (uint8_t)(((__int) >> 16) & 0xFF); } while (0)

#define drizzle_set_byte4(__buffer, __int) do { \

  (__buffer)[0]= (uint8_t)((__int) & 0xFF); \

  (__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); \

  (__buffer)[2]= (uint8_t)(((__int) >> 16) & 0xFF); \

  (__buffer)[3]= (uint8_t)(((__int) >> 24) & 0xFF); } while (0)

#define drizzle_set_byte8(__buffer, __int) do { \

  (__buffer)[0]= (uint8_t)((__int) & 0xFF); \

  (__buffer)[1]= (uint8_t)(((__int) >> 8) & 0xFF); \

  (__buffer)[2]= (uint8_t)(((__int) >> 16) & 0xFF); \

  (__buffer)[3]= (uint8_t)(((__int) >> 24) & 0xFF); \

  (__buffer)[4]= (uint8_t)(((__int) >> 32) & 0xFF); \

  (__buffer)[5]= (uint8_t)(((__int) >> 40) & 0xFF); \

  (__buffer)[6]= (uint8_t)(((__int) >> 48) & 0xFF); \

  (__buffer)[7]= (uint8_t)(((__int) >> 56) & 0xFF); } while (0)

/* Multi-byte character macros. */

#define drizzle_mb_char(__c) (((__c) & 0x80) != 0)

#define drizzle_mb_length(__c) \

  ((uint32_t)(__c) <= 0x7f ? 1 : \

  ((uint32_t)(__c) <= 0x7ff ? 2 : \

  ((uint32_t)(__c) <= 0xd7ff ? 3 : \

  ((uint32_t)(__c) <= 0xdfff || (uint32_t)(__c) > 0x10ffff ? 0 : \

  ((uint32_t)(__c) <= 0xffff ? 3 : 4)))))

/** @} */

#ifdef __cplusplus

}

#endif

#endif /* __DRIZZLE_CONSTANTS_H */