vbmemio.c File Reference

#include "isinternal.h"

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Macros
#define	vb_error(x)

Functions
void *	pvvbmalloc (const size_t size)
void	vvbfree (void *mptr)
struct VBLOCK *	psvblockallocate (const int ihandle)
void	vvblockfree (struct VBLOCK *pslock)
struct VBTREE *	psvbtreeallocate (const int ihandle)
void	vvbtreeallfree (const int ihandle, const int ikeynumber, struct VBTREE *pstree)
struct VBKEY *	psvbkeyallocate (const int ihandle, const int ikeynumber)
void	vvbkeyallfree (const int ihandle, const int ikeynumber, struct VBTREE *pstree)
void	vvbkeyfree (const int ihandle, const int ikeynumber, struct VBKEY *pskey)
void	vvbkeyunmalloc (const int ihandle, const int ikeynumber)

Variables
static struct VBLOCK *	pslockfree = ((void*)0)
static struct VBTREE *	pstreefree = ((void*)0)
int	iserrno = 0
int	iserrio = 0
int	isreclen = 0
int	isrecnum = 0

Macro Definition Documentation

#define vb_error

(

x

)

Definition at line 41 of file vbmemio.c.

Referenced by psvbkeyallocate(), psvbtreeallocate(), vvbkeyallfree(), vvbkeyfree(), and vvbtreeallfree().

Function Documentation

struct VBKEY* psvbkeyallocate	(	const int	ihandle,
		const int	ikeynumber
	)

Definition at line 120 of file vbmemio.c.

References NULL, DICTINFO::pskeydesc, DICTINFO::pskeyfree, VBKEY::psnext, psvbfile, pvvbmalloc(), VBKEY::trownode, and vb_error.

Referenced by inodesplit(), ivbkeyinsert(), and ivbnodeload().

{
    struct VBKEY    *pskey;
    struct DICTINFO *psvbptr;
    int     ilength = 0;

    psvbptr = psvbfile[ihandle];
    pskey = psvbptr->pskeyfree[ikeynumber];
    if (pskey == NULL) {
        ilength = psvbptr->pskeydesc[ikeynumber]->k_len;
        pskey = pvvbmalloc (sizeof (struct VBKEY) + ilength);
    } else {
        if (pskey->trownode != -1) {
            vb_error ("Keyallocated not free");
        }
        psvbptr->pskeyfree[ikeynumber] =
            psvbptr->pskeyfree[ikeynumber]->psnext;
        memset (pskey, 0, (sizeof (struct VBKEY) + ilength));
    }
    return pskey;
}

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struct VBLOCK* psvblockallocate

(

const int

ihandle

)

Definition at line 67 of file vbmemio.c.

References NULL, pslockfree, VBLOCK::psnext, and pvvbmalloc().

Referenced by ilockinsert().

{
    struct VBLOCK *pslock = pslockfree;

    if (pslockfree != NULL) {
        pslockfree = pslockfree->psnext;
        memset (pslock, 0, sizeof (struct VBLOCK));
    } else {
        pslock = pvvbmalloc (sizeof (struct VBLOCK));
    }
    return pslock;
}

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struct VBTREE* psvbtreeallocate

(

const int

ihandle

)

Definition at line 88 of file vbmemio.c.

References NULL, VBTREE::psnext, pstreefree, pvvbmalloc(), VBTREE::tnodenumber, and vb_error.

Referenced by inodesplit(), itreeload(), and ivbkeyload().

{
    struct VBTREE *pstree = pstreefree;

    if (pstreefree == NULL) {
        pstree = pvvbmalloc (sizeof (struct VBTREE));
    } else {
        pstreefree = pstreefree->psnext;
        if (pstree->tnodenumber != -1) {
            vb_error ("Treeallocated not free");
        }
        memset (pstree, 0, sizeof (struct VBTREE));
    }
    return pstree;
}

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void* pvvbmalloc

(

const size_t

size

)

Definition at line 45 of file vbmemio.c.

References unlikely.

Referenced by ipreamble(), iprocessdelete(), ircvbegin(), ircvchecktrans(), ircvfileopen(), isaddindex(), isbuild(), isdi_kdsc(), isopen(), isrecover(), psvbkeyallocate(), psvblockallocate(), and psvbtreeallocate().

{
    void    *mptr;

    mptr = calloc (1, size);
    if (unlikely(!mptr)) {
        fprintf (stderr, "Cannot allocate %d bytes of memory - Aborting\n", size);
        fflush (stderr);
        exit (1);
    }
    return mptr;
}

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void vvbfree

(

void *

mptr

)

Definition at line 59 of file vbmemio.c.

Referenced by ipostamble(), ircvcommit(), ircvfileopen(), ircvrollback(), isbuild(), isdelindex(), isopen(), isrecover(), ivbclose3(), and vvbkeyunmalloc().

{
    if (mptr) {
        free (mptr);
    }
}

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void vvbkeyallfree	(	const int	ihandle,
		const int	ikeynumber,
		struct VBTREE *	pstree
	)

Definition at line 143 of file vbmemio.c.

References VBTREE::ikeysinnode, NULL, VBKEY::pschild, VBTREE::pskeycurr, VBTREE::pskeyfirst, DICTINFO::pskeyfree, VBTREE::pskeylast, VBKEY::psnext, psvbfile, VBKEY::trownode, vb_error, and vvbtreeallfree().

Referenced by ichecktree(), and vvbtreeallfree().

{
    struct DICTINFO *psvbptr;
    struct VBKEY    *pskeycurr;
    struct VBKEY    *pskeynext;

    psvbptr = psvbfile[ihandle];
    pskeycurr = pstree->pskeyfirst;
    while (pskeycurr) {
        if (pskeycurr->trownode == -1) {
            vb_error ("Keyfreed already free");
        }
        pskeynext = pskeycurr->psnext;
        if (pskeycurr->pschild) {
            vvbtreeallfree (ihandle, ikeynumber, pskeycurr->pschild);
        }
        pskeycurr->pschild = NULL;
        pskeycurr->psnext = psvbptr->pskeyfree[ikeynumber];
        psvbptr->pskeyfree[ikeynumber] = pskeycurr;
        pskeycurr->trownode = -1;
        pskeycurr = pskeynext;
    }
    pstree->pskeyfirst = NULL;
    pstree->pskeylast = NULL;
    pstree->pskeycurr = NULL;
    pstree->ikeysinnode = 0;
}

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void vvbkeyfree	(	const int	ihandle,
		const int	ikeynumber,
		struct VBKEY *	pskey
	)

Definition at line 172 of file vbmemio.c.

References NULL, VBKEY::pschild, DICTINFO::pskeyfree, VBKEY::psnext, VBKEY::psprev, psvbfile, VBKEY::trownode, vb_error, and vvbtreeallfree().

Referenced by ivbkeydelete(), and ivbnodeload().

{
    struct DICTINFO *psvbptr;

    if (pskey->trownode == -1) {
        vb_error ("Keyfreed already free");
    }
    psvbptr = psvbfile[ihandle];
    if (pskey->pschild) {
        vvbtreeallfree (ihandle, ikeynumber, pskey->pschild);
    }
    pskey->pschild = NULL;
    if (pskey->psnext) {
        pskey->psnext->psprev = pskey->psprev;
    }
    if (pskey->psprev) {
        pskey->psprev->psnext = pskey->psnext;
    }
    pskey->psnext = psvbptr->pskeyfree[ikeynumber];
    psvbptr->pskeyfree[ikeynumber] = pskey;
    pskey->trownode = -1;
}

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void vvbkeyunmalloc	(	const int	ihandle,
		const int	ikeynumber
	)

Definition at line 196 of file vbmemio.c.

References DICTINFO::pskeyfree, VBKEY::psnext, psvbfile, and vvbfree().

Referenced by isdelindex(), and ivbclose3().

{
    struct DICTINFO *psvbptr;
    struct VBKEY    *pskeycurr;
/* RXW
    int     ilength;
*/

    psvbptr = psvbfile[ihandle];
    pskeycurr = psvbptr->pskeyfree[ikeynumber];
/* RXW
    ilength = sizeof (struct VBKEY) + psvbptr->pskeydesc[ikeynumber]->k_len;
*/
    while (pskeycurr) {
        psvbptr->pskeyfree[ikeynumber] =
            psvbptr->pskeyfree[ikeynumber]->psnext;
        vvbfree (pskeycurr);
        pskeycurr = psvbptr->pskeyfree[ikeynumber];
    }
}

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void vvblockfree

(

struct VBLOCK *

pslock

)

Definition at line 81 of file vbmemio.c.

References pslockfree, and VBLOCK::psnext.

Referenced by ilockdelete(), and ivbclose2().

{
    pslock->psnext = pslockfree;
    pslockfree = pslock;
}

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void vvbtreeallfree	(	const int	ihandle,
		const int	ikeynumber,
		struct VBTREE *	pstree
	)

Definition at line 105 of file vbmemio.c.

References VBTREE::psnext, pstreefree, VBTREE::tnodenumber, vb_error, and vvbkeyallfree().

Referenced by iindexcheck(), isdelindex(), itreeload(), ivbclose3(), ivbenter(), ivbexit(), ivbkeydelete(), ivbkeyload(), ivbnodeload(), vvbkeyallfree(), and vvbkeyfree().

{
    if (!pstree) {
        return;
    }
    if (pstree->tnodenumber == -1) {
        vb_error ("Treefreed not free");
    }
    vvbkeyallfree (ihandle, ikeynumber, pstree);
    pstree->psnext = pstreefree;
    pstreefree = pstree;
    pstree->tnodenumber = -1;
}

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Variable Documentation

int iserrio = 0

Definition at line 28 of file vbmemio.c.

int iserrno = 0

Definition at line 27 of file vbmemio.c.

Referenced by iaddkeydescriptor(), idemotelocks(), imakekeysfromdata(), indexed_open(), indexed_read(), indexed_read_next(), inodesplit(), iprocessdelete(), ircvbuild(), ircvcreateindex(), ircvdelete(), ircvdeleteindex(), ircvfileclose(), ircvfileerase(), ircvfileopen(), ircvfilerename(), ircvinsert(), ircvsetunique(), ircvupdate(), irowdelete(), irowinsert(), irowupdate(), isaddindex(), isaudit(), isbegin(), isbuild(), ischeck(), iscleanup(), isclose(), iscluster(), iscommit(), isdelcurr(), isdelete(), isdelindex(), isdelrec(), isdi_curidx(), isdi_datfd(), isdi_datlen(), isdi_idxfd(), isdi_kdsc(), isdi_name(), isflush(), isfullclose(), isindexinfo(), islock(), islogclose(), islogopen(), isopen(), isread(), isrecover(), isrelcurr(), isrelease(), isrelrec(), isrename(), isrewcurr(), isrewrec(), isrewrite(), isrollback(), issetcollate(), issetunique(), isstart(), istartrownumber(), isuniqueid(), isunlock(), iswrcurr(), iswrite(), itreeload(), ivbcheckkey(), ivbclose2(), ivbdatafree(), ivbdataread(), ivbdatawrite(), ivbenter(), ivbexit(), ivbforcedataallocate(), ivbforceexit(), ivbkeylocaterow(), ivbkeysearch(), ivbnodefree(), ivbrollmeback(), ivbtransbuild(), ivbtransclose(), ivbtranscreateindex(), ivbtransdelete(), ivbtransdeleteindex(), ivbtranserase(), ivbtransinsert(), ivbtransopen(), ivbtransrename(), ivbtranssetunique(), ivbtransuniqueid(), ivbtransupdate(), ivbvarlenread(), ivbwriterow(), tdelkeydescriptor(), tvbdataallocate(), tvbdatacountgetnext(), tvbnodeallocate(), tvbnodecountgetnext(), vaddkeyforrow(), vrebuilddatafree(), and vrebuildindexfree().

int isreclen = 0

Definition at line 29 of file vbmemio.c.

Referenced by indexed_open(), indexed_read(), indexed_read_next(), indexed_rewrite(), indexed_write(), iprocessdelete(), ircvbuild(), ircvinsert(), ircvupdate(), isbuild(), isindexinfo(), isrewcurr(), isrewrec(), isrewrite(), iswrcurr(), iswrite(), ivbdataread(), ivbdatawrite(), ivbrollmeback(), and ivbwriterow().

int isrecnum = 0

Definition at line 30 of file vbmemio.c.

Referenced by indexed_read(), indexed_read_next(), indexed_rewrite(), iprocessdelete(), isread(), isrewcurr(), isrewrec(), isrewrite(), isstart(), istartrownumber(), and ivbwriterow().

struct VBLOCK* pslockfree = ((void*)0)

static

Definition at line 22 of file vbmemio.c.

Referenced by psvblockallocate(), and vvblockfree().

struct VBTREE* pstreefree = ((void*)0)

static

Definition at line 23 of file vbmemio.c.

Referenced by psvbtreeallocate(), and vvbtreeallfree().