X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isam%2Fmemory.h;h=e1bd1f0911994985205b30f36eb5e57e1ad76114;hb=34e1e6c2ddbbd31f9c4b8401c973ed7fae9eda34;hp=29484482ef565ffc70a38a3f650119cbffbd7070;hpb=5c1d5fc3fe386e41537259b6268b510a1011c185;p=idzebra-moved-to-github.git diff --git a/isam/memory.h b/isam/memory.h index 2948448..e1bd1f0 100644 --- a/isam/memory.h +++ b/isam/memory.h @@ -4,7 +4,20 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: memory.h,v $ - * Revision 1.1 1994-09-26 17:12:32 quinn + * 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 +28,10 @@ #ifndef MEMORY_H #define MEMORY_H -#include - 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 +71,7 @@ typedef struct is_mblock struct is_mblock *next; /* next diskblock */ } is_mblock; +typedef struct isam_struct *ISAM; /* * Descriptor for a specific table. */ @@ -66,6 +80,7 @@ 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 +88,21 @@ 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); #endif