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/****************************************************************
* *
* Copyright 2001, 2014 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include <rms.h>
#include <ssdef.h>
#include "stringpool.h"
#include "op.h"
#include "op_fnzsearch.h"
typedef struct fnzsearch
{ short index;
struct FAB fab;
struct NAM nam;
struct fnzsearch *next;
} search_struct;
#define SEA_SIZE SIZEOF(search_struct)
static search_struct *fab_sea;
static bool search_init = FALSE;
GBLREF spdesc stringpool;
error_def(ERR_ZFILENMTOOLONG);
error_def(ERR_ZSRCHSTRMCT);
int op_fnzsearch(mval *file, mint strm, mint mcmd, mval *ret)
{
search_struct *sea_ptr,*sea,*ptr;
unsigned char esa[MAX_FN_LEN];
uint4 status;
int retlen;
short index, ct;
if (!search_init)
{
fab_sea = malloc(SEA_SIZE);
fab_sea->index = 0;
fab_sea->fab = cc$rms_fab;
fab_sea->nam = cc$rms_nam;
fab_sea->fab.fab$l_nam = &(fab_sea->nam);
fab_sea->fab.fab$l_fop = FAB$M_NAM;
fab_sea->fab.fab$l_fna = malloc(MAX_FN_LEN);
fab_sea->nam.nam$l_esa = malloc(MAX_FN_LEN);
fab_sea->nam.nam$b_ess = MAX_FN_LEN;
fab_sea->nam.nam$l_rsa = malloc(MAX_FN_LEN);
fab_sea->nam.nam$b_rss = MAX_FN_LEN;
fab_sea->fab.fab$b_fns = 0;
fab_sea->next = 0;
search_init = TRUE;
}
assert(fab_sea != 0);
index = (short)strm;
if (mcmd && ((MAX_STRM_CT < index) || ( 0 > index))) /* Bypass stream check for internal uses */
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_ZSRCHSTRMCT);
MV_FORCE_STR(file);
if (file->str.len > MAX_FN_LEN)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_ZFILENMTOOLONG, 2, file->str.len, file->str.addr);
sea_ptr = fab_sea;
while(sea_ptr->next != 0 && sea_ptr->next->index <= index)
sea_ptr = sea_ptr->next;
if (sea_ptr->index != index)
{
sea = malloc(SEA_SIZE);
sea->index = index;
sea->fab = cc$rms_fab;
sea->nam = cc$rms_nam;
sea->fab.fab$l_nam = &(sea->nam);
sea->fab.fab$l_fop = FAB$M_NAM;
sea->fab.fab$l_fna = malloc(file->str.len);
sea->fab.fab$b_fns = file->str.len;
sea->nam.nam$l_esa = malloc(MAX_FN_LEN);
sea->nam.nam$b_ess = MAX_FN_LEN;
sea->nam.nam$l_rsa = malloc(MAX_FN_LEN);
sea->nam.nam$b_rss = MAX_FN_LEN;
sea->next = sea_ptr->next;
sea_ptr->next = sea;
sea_ptr =sea_ptr->next;
memcpy(sea_ptr->fab.fab$l_fna,file->str.addr,file->str.len);
if ((status = sys$parse(&(sea_ptr->fab),0,0)) != RMS$_NORMAL)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) status);
} else
{
if (file->str.len > sea_ptr->fab.fab$b_fns)
{
free (sea_ptr->fab.fab$l_fna);
sea_ptr->fab.fab$l_fna = malloc(file->str.len);
}
if (file->str.len != sea_ptr->fab.fab$b_fns || memcmp(sea_ptr->fab.fab$l_fna,file->str.addr,file->str.len))
{
memcpy(sea_ptr->fab.fab$l_fna,file->str.addr,file->str.len);
sea_ptr->fab.fab$b_fns = file->str.len;
if ((status = sys$parse(&(sea_ptr->fab),0,0)) != RMS$_NORMAL)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) status);
}
}
status = sys$search(&(sea_ptr->fab), 0, 0);
switch(status)
{
case RMS$_NORMAL:
assert(stringpool.free >= stringpool.base);
assert(stringpool.top >= stringpool.free);
retlen = sea_ptr->nam.nam$b_rsl;
ENSURE_STP_FREE_SPACE(retlen);
ret->str.len = retlen;
ret->str.addr = stringpool.free;
memcpy(ret->str.addr,sea_ptr->nam.nam$l_rsa,ret->str.len);
stringpool.free += ret->str.len;
assert(stringpool.free >= stringpool.base);
assert(stringpool.top >= stringpool.free);
break;
case RMS$_NMF:
case RMS$_FNF:
ret->str.len = 0;
if (sea_ptr->index != 0)
{ ptr = fab_sea;
while(ptr->next->index < sea_ptr->index)
ptr = ptr->next;
ptr->next = sea_ptr->next;
free(sea_ptr->nam.nam$l_esa);
free(sea_ptr->nam.nam$l_rsa);
free(sea_ptr->fab.fab$l_fna);
free(sea_ptr);
} else
sea_ptr->fab.fab$b_fns = 0;
break;
default:
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) status);
}
ret->mvtype = MV_STR;
return 0; /* dummy for compatibility with unix prototype */
}
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