fis-gtm/sr_port/op_gvextnam.c

106 lines
3.1 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 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 <stdarg.h>
#include "error.h"
#include "gdsroot.h"
#include "gdsblk.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "gbldirnam.h"
#include "op.h"
#include "format_targ_key.h"
#include "gvsub2str.h"
#include "dpgbldir.h"
#include "sgnl.h"
#include "mvalconv.h"
#include <rtnhdr.h>
#include "mv_stent.h" /* for COPY_SUBS_TO_GVCURRKEY macro */
#include "gvcst_protos.h" /* for gvcst_root_search in GV_BIND_NAME_AND_ROOT_SEARCH macro */
/*the header files below are for environment translation*/
#ifdef UNIX
#include "fgncalsp.h"
#endif
#include "gtm_env_xlate_init.h"
GBLREF gv_key *gv_currkey;
GBLREF gv_namehead *gv_target;
GBLREF gd_region *gv_cur_region;
GBLREF mstr extnam_str;
GBLREF mval dollar_zgbldir;
GBLREF gd_addr *gd_header;
void op_gvextnam(UNIX_ONLY_COMMA(int4 count) mval *val1, ...)
{
va_list var;
VMS_ONLY(int4 count;)
bool was_null, is_null;
mstr *tmp_mstr_ptr;
mval *val, *val2, val_xlated;
short max_key;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
VAR_START(var, val1);
VMS_ONLY(va_count(count));
val2 = va_arg(var, mval *);
MV_FORCE_STR(val1);
val1 = gtm_env_translate(val1, val2, &val_xlated);
assert(!TREF(gv_extname_size) || (NULL != extnam_str.addr));
if (!gd_header)
gvinit();
if (val1->str.len)
{
tmp_mstr_ptr = &val1->str;
TREF(gd_targ_addr) = zgbldir(val1);
} else
{
tmp_mstr_ptr = &dollar_zgbldir.str;
TREF(gd_targ_addr) = gd_header;
}
extnam_str.len = tmp_mstr_ptr->len;
if (extnam_str.len > TREF(gv_extname_size))
{
if (NULL != extnam_str.addr)
free(extnam_str.addr);
TREF(gv_extname_size) = extnam_str.len;
extnam_str.addr = (char *)malloc(TREF(gv_extname_size));
}
memcpy(extnam_str.addr, tmp_mstr_ptr->addr, tmp_mstr_ptr->len);
assert((NULL == gv_target) || (INVALID_GV_TARGET != gv_target));
val = va_arg(var, mval *);
if (!MV_IS_STRING(val))
GTMASSERT;
GV_BIND_NAME_AND_ROOT_SEARCH(TREF(gd_targ_addr), &(val->str));
was_null = is_null = FALSE;
max_key = gv_cur_region->max_key_size;
for (count -= 3; count > 0; count--)
{
val = va_arg(var, mval *);
COPY_SUBS_TO_GVCURRKEY(val, max_key, gv_currkey, was_null, is_null); /* updates gv_currkey, was_null, is_null */
}
va_end(var);
TREF(gv_some_subsc_null) = was_null; /* if true, it indicates there is a null subscript (other than the last subscript)
in current key */
TREF(gv_last_subsc_null) = is_null; /* if true, it indicates that last subscript in current key is null */
if (was_null && (NEVER == gv_cur_region->null_subs))
sgnl_gvnulsubsc();
return;
}