X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isamc%2Fisamc-p.h;h=27c245494d87744d6572260802177d2c0e5064b0;hb=9b4f970d2816490fa4cc850fabc51f494ee5612b;hp=a52e486f584cf98902660137ef86c1c908679e2b;hpb=cd0427111b705e414406e1e262f3772e40c7f662;p=idzebra-moved-to-github.git diff --git a/isamc/isamc-p.h b/isamc/isamc-p.h index a52e486..27c2454 100644 --- a/isamc/isamc-p.h +++ b/isamc/isamc-p.h @@ -4,7 +4,14 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: isamc-p.h,v $ - * Revision 1.5 1998-03-16 10:37:24 adam + * Revision 1.7 1999-05-26 07:49:14 adam + * C++ compilation. + * + * Revision 1.6 1998/03/18 09:23:55 adam + * Blocks are stored in chunks on free list - up to factor 2 in speed. + * Fixed bug that could occur in block category rearrangemen. + * + * Revision 1.5 1998/03/16 10:37:24 adam * Added more statistics. * * Revision 1.4 1996/11/08 11:15:28 adam @@ -25,11 +32,17 @@ #include #include +#ifdef __cplusplus +extern "C" { +#endif + typedef struct { int lastblock; int freelist; } ISAMC_head; +typedef unsigned ISAMC_BLOCK_SIZE; + typedef struct ISAMC_file_s { ISAMC_head head; BFile bf; @@ -49,6 +62,10 @@ typedef struct ISAMC_file_s { int no_next; int no_prev; + char *alloc_buf; + int alloc_entries_num; + int alloc_entries_max; + int fc_max; int *fc_list; } *ISAMC_file; @@ -63,8 +80,8 @@ struct ISAMC_s { struct ISAMC_PP_s { char *buf; - unsigned offset; - unsigned short size; + ISAMC_BLOCK_SIZE offset; + ISAMC_BLOCK_SIZE size; int cat; int pos; int next; @@ -74,10 +91,14 @@ struct ISAMC_PP_s { int numKeys; }; -#define ISAMC_BLOCK_OFFSET_N (sizeof(int)+sizeof(short)) -#define ISAMC_BLOCK_OFFSET_1 (sizeof(int)+sizeof(short)+sizeof(int)) - +#define ISAMC_BLOCK_OFFSET_N (sizeof(int)+sizeof(ISAMC_BLOCK_SIZE)) +#define ISAMC_BLOCK_OFFSET_1 (sizeof(int)+sizeof(ISAMC_BLOCK_SIZE)+sizeof(int)) int isc_alloc_block (ISAMC is, int cat); void isc_release_block (ISAMC is, int cat, int pos); int isc_read_block (ISAMC is, int cat, int pos, char *dst); int isc_write_block (ISAMC is, int cat, int pos, char *src); + +#ifdef __cplusplus +} +#endif +