diff options
Diffstat (limited to 'include/my_handler.h')
| -rw-r--r-- | include/my_handler.h | 86 |
1 files changed, 6 insertions, 80 deletions
diff --git a/include/my_handler.h b/include/my_handler.h index edb8e21b6a2..ca324c5b881 100644 --- a/include/my_handler.h +++ b/include/my_handler.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002-2006 MySQL AB +/* Copyright (c) Monty Program Ab; 1991-2011 This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public @@ -18,12 +18,6 @@ #ifndef _my_handler_h #define _my_handler_h -#include "myisampack.h" - -#ifdef __cplusplus -extern "C" { -#endif - /* There is a hard limit for the maximum number of keys as there are only 8 bits in the index file header for the number of keys in a table. @@ -47,84 +41,16 @@ extern "C" { #define HA_MAX_KEY_BUFF (HA_MAX_KEY_LENGTH+HA_MAX_KEY_SEG*6+8+8) #define HA_MAX_MSG_BUF 1024 /* used in CHECK TABLE, REPAIR TABLE */ -typedef struct st_HA_KEYSEG /* Key-portion */ -{ - CHARSET_INFO *charset; - uint32 start; /* Start of key in record */ - uint32 null_pos; /* position to NULL indicator */ - uint16 bit_pos; /* Position to bit part */ - uint16 flag; - uint16 length; /* Keylength */ - uint8 type; /* Type of key (for sort) */ - uint8 language; - uint8 null_bit; /* bitmask to test for NULL */ - uint8 bit_start,bit_end; /* if bit field */ - uint8 bit_length; /* Length of bit part */ -} HA_KEYSEG; - -#define get_key_length(length,key) \ -{ if (*(const uchar*) (key) != 255) \ - length= (uint) *(const uchar*) ((key)++); \ - else \ - { length= mi_uint2korr((key)+1); (key)+=3; } \ -} - -#define get_key_length_rdonly(length,key) \ -{ if (*(const uchar*) (key) != 255) \ - length= ((uint) *(const uchar*) ((key))); \ - else \ - { length= mi_uint2korr((key)+1); } \ -} - -#define get_key_pack_length(length,length_pack,key) \ -{ if (*(const uchar*) (key) != 255) \ - { length= (uint) *(const uchar*) ((key)++); length_pack= 1; }\ - else \ - { length=mi_uint2korr((key)+1); (key)+= 3; length_pack= 3; } \ -} - -#define store_key_length_inc(key,length) \ -{ if ((length) < 255) \ - { *(key)++= (length); } \ - else \ - { *(key)=255; mi_int2store((key)+1,(length)); (key)+=3; } \ -} - -#define size_to_store_key_length(length) ((length) < 255 ? 1 : 3) - -#define get_rec_bits(bit_ptr, bit_ofs, bit_len) \ - (((((uint16) (bit_ptr)[1] << 8) | (uint16) (bit_ptr)[0]) >> (bit_ofs)) & \ - ((1 << (bit_len)) - 1)) - -#define set_rec_bits(bits, bit_ptr, bit_ofs, bit_len) \ -{ \ - (bit_ptr)[0]= ((bit_ptr)[0] & ~(((1 << (bit_len)) - 1) << (bit_ofs))) | \ - ((bits) << (bit_ofs)); \ - if ((bit_ofs) + (bit_len) > 8) \ - (bit_ptr)[1]= ((bit_ptr)[1] & ~((1 << ((bit_len) - 8 + (bit_ofs))) - 1)) | \ - ((bits) >> (8 - (bit_ofs))); \ -} - -#define clr_rec_bits(bit_ptr, bit_ofs, bit_len) \ - set_rec_bits(0, bit_ptr, bit_ofs, bit_len) - -extern int ha_compare_text(CHARSET_INFO *, const uchar *, uint, - const uchar *, uint , my_bool, my_bool); -extern int ha_key_cmp(register HA_KEYSEG *keyseg, register const uchar *a, - register const uchar *b, uint key_length, - uint32 nextflag, uint *diff_pos); - -extern HA_KEYSEG *ha_find_null(HA_KEYSEG *keyseg, const uchar *a); -extern void my_handler_error_register(void); -extern void my_handler_error_unregister(void); /* Inside an in-memory data record, memory pointers to pieces of the record (like BLOBs) are stored in their native byte order and in this amount of bytes. */ #define portable_sizeof_char_ptr 8 -#ifdef __cplusplus -} -#endif + +/* Register / unregister errors for my_error() */ + +extern void my_handler_error_register(void); +extern void my_handler_error_unregister(void); #endif /* _my_handler_h */ |