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MySQL 5.1: mysql/src/5.1-dbg/storage/innobase/include/mach0data.h File Reference

mysql/src/5.1-dbg/storage/innobase/include/mach0data.h File Reference

#include "univ.i"
#include "ut0byte.h"

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Functions

UNIV_INLINE void mach_write_to_1 (byte *b, ulint n)
UNIV_INLINE ulint mach_read_from_1 (byte *b)
UNIV_INLINE void mach_write_to_2 (byte *b, ulint n)
UNIV_INLINE ulint mach_read_from_2 (byte *b)
UNIV_INLINE uint16 mach_encode_2 (ulint n)
UNIV_INLINE ulint mach_decode_2 (uint16 n)
UNIV_INLINE void mach_write_to_3 (byte *b, ulint n)
UNIV_INLINE ulint mach_read_from_3 (byte *b)
UNIV_INLINE void mach_write_to_4 (byte *b, ulint n)
UNIV_INLINE ulint mach_read_from_4 (byte *b)
UNIV_INLINE ulint mach_write_compressed (byte *b, ulint n)
UNIV_INLINE ulint mach_get_compressed_size (ulint n)
UNIV_INLINE ulint mach_read_compressed (byte *b)
UNIV_INLINE void mach_write_to_6 (byte *b, dulint n)
UNIV_INLINE dulint mach_read_from_6 (byte *b)
UNIV_INLINE void mach_write_to_7 (byte *b, dulint n)
UNIV_INLINE dulint mach_read_from_7 (byte *b)
UNIV_INLINE void mach_write_to_8 (byte *b, dulint n)
UNIV_INLINE dulint mach_read_from_8 (byte *b)
UNIV_INLINE ulint mach_dulint_write_compressed (byte *b, dulint n)
UNIV_INLINE ulint mach_dulint_get_compressed_size (dulint n)
UNIV_INLINE dulint mach_dulint_read_compressed (byte *b)
UNIV_INLINE ulint mach_dulint_write_much_compressed (byte *b, dulint n)
UNIV_INLINE ulint mach_dulint_get_much_compressed_size (dulint n)
UNIV_INLINE dulint mach_dulint_read_much_compressed (byte *b)
byte * mach_parse_compressed (byte *ptr, byte *end_ptr, ulint *val)
byte * mach_dulint_parse_compressed (byte *ptr, byte *end_ptr, dulint *val)
UNIV_INLINE double mach_double_read (byte *b)
UNIV_INLINE void mach_double_write (byte *b, double d)
UNIV_INLINE float mach_float_read (byte *b)
UNIV_INLINE void mach_float_write (byte *b, float d)
UNIV_INLINE ulint mach_read_from_n_little_endian (byte *buf, ulint buf_size)
UNIV_INLINE void mach_write_to_n_little_endian (byte *dest, ulint dest_size, ulint n)
UNIV_INLINE ulint mach_read_from_2_little_endian (byte *buf)
UNIV_INLINE void mach_write_to_2_little_endian (byte *dest, ulint n)

Function Documentation

UNIV_INLINE ulint mach_decode_2 ( uint16  n  ) 

Referenced by page_dir_find_owner_slot().

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UNIV_INLINE double mach_double_read ( byte *  b  ) 

Referenced by cmp_whole_field().

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UNIV_INLINE void mach_double_write ( byte *  b,
double  d 
)

UNIV_INLINE ulint mach_dulint_get_compressed_size ( dulint  n  ) 

Referenced by trx_undo_update_rec_get_sys_cols().

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UNIV_INLINE ulint mach_dulint_get_much_compressed_size ( dulint  n  ) 

Referenced by trx_undo_rec_get_pars().

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byte* mach_dulint_parse_compressed ( byte *  ptr,
byte *  end_ptr,
dulint *  val 
)

Definition at line 84 of file mach0data.c.

References mach_get_compressed_size(), mach_read_compressed(), mach_read_from_4(), NULL, ut_ad, and ut_dulint_create().

Referenced by mlog_parse_nbytes(), row_upd_parse_sys_vals(), and trx_undo_parse_page_header().

00086                               : pointer to end of the stored field, NULL if
00087                         not complete */
00088         byte*   ptr,    /* in: pointer to buffer from where to read */
00089         byte*   end_ptr,/* in: pointer to end of the buffer */
00090         dulint* val)    /* out: read value */
00091 {
00092         ulint   high;
00093         ulint   low;
00094         ulint   size;
00095 
00096         ut_ad(ptr && end_ptr && val);
00097 
00098         if (end_ptr < ptr + 5) {
00099 
00100                 return(NULL);
00101         }
00102 
00103         high = mach_read_compressed(ptr);
00104 
00105         size = mach_get_compressed_size(high);
00106 
00107         ptr += size;
00108 
00109         if (end_ptr < ptr + 4) {
00110 
00111                 return(NULL);
00112         }
00113 
00114         low = mach_read_from_4(ptr);
00115 
00116         *val = ut_dulint_create(high, low);
00117 
00118         return(ptr + 4);
00119 }

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UNIV_INLINE dulint mach_dulint_read_compressed ( byte *  b  ) 

Referenced by trx_undo_update_rec_get_sys_cols().

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UNIV_INLINE dulint mach_dulint_read_much_compressed ( byte *  b  ) 

Referenced by trx_undo_rec_get_pars().

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UNIV_INLINE ulint mach_dulint_write_compressed ( byte *  b,
dulint  n 
)

Referenced by mlog_write_dulint(), row_upd_write_sys_vals_to_log(), and trx_undo_page_report_modify().

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UNIV_INLINE ulint mach_dulint_write_much_compressed ( byte *  b,
dulint  n 
)

Referenced by trx_undo_page_report_insert(), and trx_undo_page_report_modify().

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UNIV_INLINE uint16 mach_encode_2 ( ulint  n  ) 

Referenced by page_dir_find_owner_slot().

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UNIV_INLINE float mach_float_read ( byte *  b  ) 

Referenced by cmp_whole_field().

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UNIV_INLINE void mach_float_write ( byte *  b,
float  d 
)

UNIV_INLINE ulint mach_get_compressed_size ( ulint  n  ) 

Referenced by mach_dulint_parse_compressed(), trx_undo_rec_get_col_val(), trx_undo_update_rec_get_field_no(), and trx_undo_update_rec_get_n_upd_fields().

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byte* mach_parse_compressed ( byte *  ptr,
byte *  end_ptr,
ulint *  val 
)

Definition at line 20 of file mach0data.c.

References flag, mach_read_from_1(), mach_read_from_2(), mach_read_from_3(), mach_read_from_4(), NULL, and ut_ad.

Referenced by mlog_parse_initial_log_record(), mlog_parse_nbytes(), page_cur_parse_insert_rec(), row_upd_index_parse(), row_upd_parse_sys_vals(), and trx_undo_parse_page_init().

00022                               : pointer to end of the stored field, NULL if
00023                         not complete */
00024         byte*   ptr,    /* in: pointer to buffer from where to read */
00025         byte*   end_ptr,/* in: pointer to end of the buffer */
00026         ulint*  val)    /* out: read value (< 2^32) */
00027 {
00028         ulint   flag;
00029 
00030         ut_ad(ptr && end_ptr && val);
00031 
00032         if (ptr >= end_ptr) {
00033 
00034                 return(NULL);
00035         }
00036 
00037         flag = mach_read_from_1(ptr);
00038 
00039         if (flag < 0x80UL) {
00040                 *val = flag;
00041                 return(ptr + 1);
00042 
00043         } else if (flag < 0xC0UL) {
00044                 if (end_ptr < ptr + 2) {
00045                         return(NULL);
00046                 }
00047 
00048                 *val = mach_read_from_2(ptr) & 0x7FFFUL;
00049 
00050                 return(ptr + 2);
00051 
00052         } else if (flag < 0xE0UL) {
00053                 if (end_ptr < ptr + 3) {
00054                         return(NULL);
00055                 }
00056 
00057                 *val = mach_read_from_3(ptr) & 0x3FFFFFUL;
00058 
00059                 return(ptr + 3);
00060         } else if (flag < 0xF0UL) {
00061                 if (end_ptr < ptr + 4) {
00062                         return(NULL);
00063                 }
00064 
00065                 *val = mach_read_from_4(ptr) & 0x1FFFFFFFUL;
00066 
00067                 return(ptr + 4);
00068         } else {
00069                 ut_ad(flag == 0xF0UL);
00070 
00071                 if (end_ptr < ptr + 5) {
00072                         return(NULL);
00073                 }
00074 
00075                 *val = mach_read_from_4(ptr + 1);
00076                 return(ptr + 5);
00077         }
00078 }

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UNIV_INLINE ulint mach_read_compressed ( byte *  b  ) 

Referenced by mach_dulint_parse_compressed(), trx_undo_rec_get_col_val(), trx_undo_update_rec_get_field_no(), and trx_undo_update_rec_get_n_upd_fields().

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UNIV_INLINE ulint mach_read_from_1 ( byte *  b  ) 

Referenced by btr_cur_mark_dtuple_inherited_extern(), btr_cur_parse_del_mark_set_clust_rec(), btr_cur_parse_del_mark_set_sec_rec(), btr_cur_parse_update_in_place(), btr_cur_set_ownership_of_extern_field(), btr_cur_unmark_dtuple_extern_fields(), btr_free_externally_stored_field(), ibuf_bitmap_page_get_bits(), ibuf_bitmap_page_set_bits(), mach_parse_compressed(), mtr_read_ulint(), page_cur_parse_insert_rec(), row_mysql_read_true_varchar(), row_upd_index_parse(), trx_undo_rec_get_pars(), and trx_undo_update_rec_get_sys_cols().

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UNIV_INLINE ulint mach_read_from_2 ( byte *  b  ) 

Referenced by btr_cur_parse_del_mark_set_clust_rec(), btr_cur_parse_del_mark_set_sec_rec(), btr_cur_parse_update_in_place(), btr_parse_set_min_rec_mark(), buf_page_print(), fil_op_log_parse_or_replay(), fil_page_get_type(), fseg_inode_get(), mach_parse_compressed(), mlog_parse_index(), mlog_parse_nbytes(), mlog_parse_string(), mtr_read_ulint(), page_copy_rec_list_end_no_locks(), page_cur_parse_delete_rec(), page_cur_parse_insert_rec(), page_parse_delete_rec_list(), trx_purge_rseg_get_next_history_log(), trx_purge_truncate_rseg_history(), trx_undo_discard_latest_update_undo(), trx_undo_erase_page_end(), trx_undo_get_next_rec_from_next_page(), trx_undo_header_add_space_for_xid(), trx_undo_header_create(), trx_undo_insert_header_reuse(), trx_undo_mem_create_at_db_start(), trx_undo_page_report_insert(), trx_undo_page_report_modify(), trx_undo_parse_add_undo_rec(), trx_undo_rec_get_partial_row(), trx_undo_reuse_cached(), trx_undo_set_state_at_finish(), and trx_undo_set_state_at_prepare().

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UNIV_INLINE ulint mach_read_from_2_little_endian ( byte *  buf  ) 

Referenced by row_mysql_read_true_varchar().

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UNIV_INLINE ulint mach_read_from_3 ( byte *  b  ) 

Referenced by mach_parse_compressed().

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UNIV_INLINE ulint mach_read_from_4 ( byte *  b  ) 

Definition at line 58 of file innochecksum.c.

Referenced by btr_blob_get_next_page_no(), btr_blob_get_part_len(), btr_copy_externally_stored_field(), btr_free_externally_stored_field(), btr_rec_get_externally_stored_len(), buf_flush_buffered_writes(), buf_page_io_complete(), buf_page_is_corrupted(), buf_page_print(), dfield_print(), dfield_print_also_hex(), dict_check_tablespaces_and_store_max_id(), dict_load_columns(), dict_load_fields(), dict_load_foreign(), dict_load_foreign_cols(), dict_load_indexes(), dict_load_table(), dict_truncate_index_tree(), fil_page_get_next(), fil_page_get_prev(), fil_reset_too_high_lsns(), fseg_alloc_free_page_low(), fseg_free_page_low(), fseg_get_nth_frag_page_no(), fseg_inode_get(), fseg_validate_low(), fsp_free_seg_inode(), fsp_get_size_low(), fsp_header_get_space_id(), ibuf_rec_get_page_no(), ibuf_rec_get_space(), ibuf_update_max_tablespace_id(), log_checkpoint_get_nth_group_info(), mach_dulint_parse_compressed(), mach_parse_compressed(), main(), mem_field_header_get_check(), mem_field_header_get_len(), mem_field_trailer_get_check(), mtr_read_ulint(), page_parse_copy_rec_list_to_created_page(), recv_check_cp_is_consistent(), recv_find_max_checkpoint(), recv_read_cp_info_for_backup(), row_fetch_store_uint4(), row_prebuilt_free(), row_scan_and_check_index(), trx_doublewrite_init(), trx_sys_create_doublewrite_buf(), trx_sys_doublewrite_init_or_restore_pages(), trx_sys_print_mysql_binlog_offset(), trx_sys_print_mysql_binlog_offset_from_page(), trx_sys_print_mysql_master_log_pos(), trx_sys_update_mysql_binlog_offset(), and trx_undo_read_xid().

00059 {
00060   return( ((ulint)(b[0]) << 24)
00061           + ((ulint)(b[1]) << 16)
00062           + ((ulint)(b[2]) << 8)
00063           + (ulint)(b[3])
00064           );
00065 }

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UNIV_INLINE dulint mach_read_from_6 ( byte *  b  ) 

UNIV_INLINE dulint mach_read_from_7 ( byte *  b  ) 

UNIV_INLINE dulint mach_read_from_8 ( byte *  b  ) 

Referenced by buf_page_is_corrupted(), dict_load_columns(), dict_load_indexes(), dict_load_table(), dict_load_table_on_id(), dict_truncate_index_tree(), fil_read_flushed_lsn_and_arch_log_no(), fil_reset_too_high_lsns(), fsp_print(), fsp_seg_inode_page_find_free(), fsp_seg_inode_page_find_used(), fsp_validate(), mtr_read_dulint(), recv_apply_log_recs_for_backup(), recv_find_max_checkpoint(), recv_read_cp_info_for_backup(), recv_recover_page(), recv_recovery_from_checkpoint_start(), trx_purge_rseg_get_next_history_log(), and trx_purge_truncate_rseg_history().

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UNIV_INLINE ulint mach_read_from_n_little_endian ( byte *  buf,
ulint  buf_size 
)

Referenced by row_mysql_read_blob_ref().

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UNIV_INLINE ulint mach_write_compressed ( byte *  b,
ulint  n 
)

Referenced by mlog_write_ulint(), page_cur_insert_rec_write_log(), row_upd_index_write_log(), row_upd_write_sys_vals_to_log(), trx_undo_page_report_insert(), and trx_undo_page_report_modify().

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UNIV_INLINE void mach_write_to_1 ( byte *  b,
ulint  n 
)

Referenced by btr_cur_del_mark_set_clust_rec_log(), btr_cur_del_mark_set_sec_rec_log(), btr_cur_mark_dtuple_inherited_extern(), btr_cur_unmark_dtuple_extern_fields(), btr_cur_update_in_place_log(), ibuf_entry_build(), ibuf_new_search_tuple_build(), mlog_parse_nbytes(), mlog_write_ulint(), page_cur_insert_rec_write_log(), row_mysql_store_true_var_len(), row_upd_index_write_log(), trx_undo_header_create(), trx_undo_insert_header_reuse(), trx_undo_page_report_insert(), and trx_undo_page_report_modify().

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UNIV_INLINE void mach_write_to_2 ( byte *  b,
ulint  n 
)

Referenced by btr_cur_del_mark_set_clust_rec_log(), btr_cur_del_mark_set_sec_rec_log(), btr_cur_update_in_place_log(), buf_page_create(), fil_op_write_log(), fil_page_set_type(), mlog_open_and_write_index(), mlog_parse_nbytes(), mlog_write_dulint(), mlog_write_string(), mlog_write_ulint(), page_cur_delete_rec_write_log(), page_cur_insert_rec_write_log(), page_delete_rec_list_write_log(), trx_undo_discard_latest_update_undo(), trx_undo_header_create(), trx_undo_insert_header_reuse(), trx_undo_page_init(), trx_undo_page_report_insert(), trx_undo_page_report_modify(), trx_undo_parse_add_undo_rec(), and trx_undof_page_add_undo_rec_log().

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UNIV_INLINE void mach_write_to_2_little_endian ( byte *  dest,
ulint  n 
)

Referenced by row_mysql_store_true_var_len().

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UNIV_INLINE void mach_write_to_3 ( byte *  b,
ulint  n 
)

UNIV_INLINE void mach_write_to_4 ( byte *  b,
ulint  n 
)

Referenced by buf_flush_init_for_writing(), dict_create_sys_columns_tuple(), dict_create_sys_fields_tuple(), dict_create_sys_indexes_tuple(), dict_create_sys_tables_tuple(), dict_tree_build_node_ptr(), fsp_header_write_space_id(), ibuf_entry_build(), ibuf_new_search_tuple_build(), ibuf_search_tuple_build(), log_checkpoint_set_nth_group_info(), log_group_checkpoint(), log_group_file_header_flush(), log_reset_first_header_and_checkpoint(), mem_field_header_set_check(), mem_field_header_set_len(), mem_field_trailer_set_check(), mlog_parse_nbytes(), mlog_write_ulint(), page_copy_rec_list_end_to_created_page(), pars_info_add_int4_literal(), row_search_for_mysql(), row_sel_push_cache_row_for_mysql(), sym_tab_add_int_lit(), and trx_sys_doublewrite_init_or_restore_pages().

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UNIV_INLINE void mach_write_to_6 ( byte *  b,
dulint  n 
)

UNIV_INLINE void mach_write_to_7 ( byte *  b,
dulint  n 
)

UNIV_INLINE void mach_write_to_8 ( byte *  b,
dulint  n 
)

Referenced by buf_flush_init_for_writing(), dict_create_sys_columns_tuple(), dict_create_sys_fields_tuple(), dict_create_sys_indexes_tuple(), dict_create_sys_tables_tuple(), dict_load_columns(), dict_load_fields(), dict_load_indexes(), dict_load_table_on_id(), fil_reset_too_high_lsns(), fil_write_lsn_and_arch_no_to_file(), fsp_init_file_page_low(), log_group_checkpoint(), log_group_file_header_flush(), log_reset_first_header_and_checkpoint(), mlog_parse_nbytes(), mlog_write_dulint(), page_set_max_trx_id(), pars_info_add_dulint_literal(), recv_recover_page(), row_truncate_table_for_mysql(), trx_undo_header_create(), and trx_undo_insert_header_reuse().

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UNIV_INLINE void mach_write_to_n_little_endian ( byte *  dest,
ulint  dest_size,
ulint  n 
)

Referenced by row_mysql_store_blob_ref().

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