X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isam%2Fmemory.h;h=4a69110f724415ffa7d67d453b0f1e7f2a8639de;hb=49f1c8c877affdeb9e9221047c48beed3f475afb;hp=29484482ef565ffc70a38a3f650119cbffbd7070;hpb=5c1d5fc3fe386e41537259b6268b510a1011c185;p=idzebra-moved-to-github.git diff --git a/isam/memory.h b/isam/memory.h index 2948448..4a69110 100644 --- a/isam/memory.h +++ b/isam/memory.h @@ -1,10 +1,30 @@ /* - * Copyright (C) 1994, Index Data I/S + * Copyright (C) 1994-1999, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: memory.h,v $ - * Revision 1.1 1994-09-26 17:12:32 quinn + * Revision 1.7 1999-02-02 14:51:21 adam + * Updated WIN32 code specific sections. Changed header. + * + * Revision 1.6 1997/09/05 15:30:10 adam + * Changed prototype for chr_map_input - added const. + * Added support for C++, headers uses extern "C" for public definitions. + * + * Revision 1.5 1996/03/11 14:52:25 quinn + * Fixed update bug. Repeated insertion in the same area sometimes caused + * problems. + * + * Revision 1.4 1995/12/06 15:48:47 quinn + * Fixed update-problem. + * + * Revision 1.3 1994/09/28 16:58:33 quinn + * Small mod. + * + * Revision 1.2 1994/09/27 20:03:52 quinn + * Seems relatively bug-free. + * + * Revision 1.1 1994/09/26 17:12:32 quinn * Back again * * Revision 1.1 1994/09/26 16:07:57 quinn @@ -15,10 +35,14 @@ #ifndef MEMORY_H #define MEMORY_H -#include +#ifdef __cplusplus +extern "C" { +#endif extern int is_mbuf_size[3]; +typedef unsigned int ISAM_P; + /* * Memory buffer. Used to manage records (keys) in memory for * reading and insertion/deletion. @@ -58,6 +82,7 @@ typedef struct is_mblock struct is_mblock *next; /* next diskblock */ } is_mblock; +typedef struct isam_struct *ISAM; /* * Descriptor for a specific table. */ @@ -66,6 +91,7 @@ typedef struct is_mtable int num_records; /* total number of records */ int pos_type; /* blocktype */ is_mblock *cur_mblock; + is_mbuf *last_mbuf; is_mblock *data; /* blocks contained in this table */ ISAM is; } is_mtable; @@ -73,16 +99,26 @@ typedef struct is_mtable is_mblock *xmalloc_mblock(); is_mbuf *xmalloc_mbuf(int type); void xfree_mblock(is_mblock *p); -void xfree_mbuf(is_mblock *p); +void xfree_mblocks(is_mblock *l); +void xfree_mbuf(is_mbuf *p); +void xfree_mbufs(is_mbuf *l); +void xrelease_mblock(is_mblock *p); void is_m_establish_tab(ISAM is, is_mtable *tab, ISAM_P pos); +void is_m_release_tab(is_mtable *tab); void is_m_rewind(is_mtable *tab); void is_m_replace_record(is_mtable *tab, const void *rec); int is_m_write_record(is_mtable *tab, const void *rec); void is_m_unread_record(is_mtable *tab); -int is_m_read_record(is_mtable *tab, void *buf); +int is_m_read_record(is_mtable *tab, void *buf, int keep); int is_m_seek_record(is_mtable *tab, const void *rec); void is_m_delete_record(is_mtable *tab); int is_m_peek_record(is_mtable *tab, void *rec); int is_m_read_full(is_mtable *tab, is_mblock *mblock); +int is_m_num_records(is_mtable *tab); + +#ifdef __cplusplus +} +#endif + #endif