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/****************************************************************
* *
* Copyright (c) 2001-2019 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* 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_stdlib.h"
#include "gtm_string.h"
#include "svnames.h"
#include "io.h"
#include "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "indir_enum.h"
#include "error.h"
#include "stringpool.h"
#include "op.h"
#include "mvalconv.h"
#include "zroutines.h"
#include "dpgbldir.h"
#include "dpgbldir_sysops.h"
#include "gtmmsg.h"
#include "ztrap_save_ctxt.h"
#include "dollar_zlevel.h"
#include "error_trap.h"
#include "gtm_ctype.h"
#include "setzdir.h"
#include <rtnhdr.h>
#include "stack_frame.h"
#include "getzdir.h"
#include "gtm_newintrinsic.h"
#include "filestruct.h" /* needed for jnl.h */
#include "jnl.h"
#include "tp_timeout.h"
#include "stp_parms.h"
#ifdef GTM_TRIGGER
#include "gv_trigger.h"
#endif
#include "ztimeout_routines.h"
#include "deferred_events.h"
#include "deferred_events_queue.h"
GBLREF gv_key *gv_currkey;
GBLREF gv_namehead *gv_target;
GBLREF gd_addr *gd_header;
GBLREF io_pair io_curr_device;
GBLREF mval dollar_zstatus;
GBLREF mval dollar_zgbldir;
GBLREF mval dollar_zsource;
GBLREF mval dollar_zerror;
GBLREF mval dollar_zyerror;
GBLREF mval dollar_system;
GBLREF mval dollar_zinterrupt;
GBLREF boolean_t dollar_zininterrupt;
GBLREF boolean_t ztrap_new;
GBLREF stack_frame *error_frame;
GBLREF boolean_t ztrap_explicit_null; /* whether $ZTRAP was explicitly set to NULL in this frame */
GBLREF mval dollar_ztexit;
GBLREF boolean_t dollar_ztexit_bool;
GBLREF boolean_t dollar_zquit_anyway;
GBLREF boolean_t tp_timeout_deferred;
#ifdef GTM_TRIGGER
GBLREF mval *dollar_ztvalue;
GBLREF boolean_t *ztvalue_changed_ptr;
GBLREF mval *dollar_ztriggerop;
GBLREF mval dollar_ztwormhole;
GBLREF mval dollar_ztslate;
GBLREF int4 gtm_trigger_depth;
GBLREF int4 tstart_trigger_depth;
GBLREF uint4 dollar_tlevel;
#endif
LITREF mval default_etrap;
#ifdef GTM_TRIGGER
LITREF mval gvtr_cmd_mval[GVTR_CMDTYPES];
#endif
#define SIZEOF_prombuf ggl_prombuf
error_def(ERR_INVECODEVAL);
error_def(ERR_NOZTRAPINTRIG);
error_def(ERR_SETECODE);
error_def(ERR_SETINSETTRIGONLY);
error_def(ERR_SETINTRIGONLY);
error_def(ERR_SYSTEMVALUE);
error_def(ERR_UNIMPLOP);
error_def(ERR_ZTWORMHOLE2BIG);
void op_svput(int varnum, mval *v)
{
int i, ok, state;
char *vptr;
int4 previous_gtm_strpllim;
int4 event_type, param_val;
void (*set_fn)(int4 param);
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
switch (varnum)
{
case SV_X:
MV_FORCE_NUM(v);
io_curr_device.out->dollar.x = (short)MV_FORCE_INT(v);
if ((short)(io_curr_device.out->dollar.x) < 0)
io_curr_device.out->dollar.x = 0;
break;
case SV_Y:
MV_FORCE_NUM(v);
io_curr_device.out->dollar.y = (short)MV_FORCE_INT(v);
if ((short)(io_curr_device.out->dollar.y) < 0)
io_curr_device.out->dollar.y = 0;
break;
case SV_ZCOMPILE:
MV_FORCE_STR(v);
if ((TREF(dollar_zcompile)).addr)
free ((TREF(dollar_zcompile)).addr);
(TREF(dollar_zcompile)).addr = (char *)malloc(v->str.len);
memcpy((TREF(dollar_zcompile)).addr, v->str.addr, v->str.len);
(TREF(dollar_zcompile)).len = v->str.len;
break;
case SV_ZSTEP:
MV_FORCE_STR(v);
op_commarg(v,indir_linetail);
op_unwind();
TREF(dollar_zstep) = *v;
break;
case SV_ZGBLDIR:
MV_FORCE_STR(v);
if ((dollar_zgbldir.str.len != v->str.len)
|| memcmp(dollar_zgbldir.str.addr, v->str.addr, dollar_zgbldir.str.len))
{
if (0 == v->str.len)
{ /* set $zgbldir="" */
dpzgbini(); /* sets gd_header to NULL */
} else
{
gd_header = zgbldir(v);
dollar_zgbldir.str.len = v->str.len;
dollar_zgbldir.str.addr = v->str.addr;
s2pool(&dollar_zgbldir.str);
}
if (NULL != gv_currkey)
{
gv_currkey->base[0] = '\0';
gv_currkey->prev = gv_currkey->end = 0;
} else if (NULL != gd_header)
gvinit();
if (NULL != gv_target)
gv_target->clue.end = 0;
/* Reset any cached region-name for $zpeek since gbldir is changing and any same region name
* in the new gbldir should point to a different gd_region structure (and not the cached one).
*/
TREF(zpeek_regname_len) = 0;
}
break;
case SV_ZMAXTPTIME:
TREF(dollar_zmaxtptime) = mval2i(v);
break;
case SV_ZROUTINES:
MV_FORCE_STR(v);
/* The string(v) should be parsed and loaded before setting $zroutines
* to retain the old value in case errors occur while loading */
zro_load(&v->str);
if ((TREF(dollar_zroutines)).addr)
free ((TREF(dollar_zroutines)).addr);
(TREF(dollar_zroutines)).addr = (char *)malloc(v->str.len);
memcpy((TREF(dollar_zroutines)).addr, v->str.addr, v->str.len);
(TREF(dollar_zroutines)).len = v->str.len;
break;
case SV_ZSOURCE:
MV_FORCE_STR(v);
dollar_zsource.mvtype = MV_STR;
dollar_zsource.str = v->str;
break;
case SV_ZTRAP:
# ifdef GTM_TRIGGER
if (0 < gtm_trigger_depth)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_NOZTRAPINTRIG);
# endif
MV_FORCE_STR(v);
if (ztrap_new)
op_newintrinsic(SV_ZTRAP);
if (!v->str.len)
{ /* Setting either $ZTRAP to empty causes any current error trapping to be canceled */
(TREF(dollar_etrap)).mvtype = (TREF(dollar_ztrap)).mvtype = MV_STR;
(TREF(dollar_etrap)).str = (TREF(dollar_ztrap)).str = v->str;
ztrap_explicit_null = TRUE;
} else /* Ensure that $ETRAP and $ZTRAP are not both active at the same time */
{
ztrap_explicit_null = FALSE;
if (!(ZTRAP_ENTRYREF & TREF(ztrap_form)))
{
op_commarg(v, indir_linetail);
op_unwind();
}
if ((TREF(dollar_etrap)).str.len > 0)
{
gtm_newintrinsic(&(TREF(dollar_etrap)));
NULLIFY_TRAP(TREF(dollar_etrap));
}
(TREF(dollar_ztrap)).mvtype = MV_STR;
(TREF(dollar_ztrap)).str = v->str;
}
if (ZTRAP_POP & TREF(ztrap_form))
ztrap_save_ctxt();
if ((TREF(save_xfer_root)) && (((TREF(save_xfer_root))->set_fn == tptimeout_set)
|| ((TREF(save_xfer_root))->set_fn == ztimeout_set)))
{ /* A tp timeout was deferred. Now that $ETRAP is no longer in effect and
* no job interrupt is in effect, the timeout need no longer be deferred
* and can be recognized.
*/
if ((tp_timeout_deferred || TREF(ztimeout_deferred)) && !dollar_zininterrupt)
{
DBGDFRDEVNT((stderr, "op_unwind1: Calling pop_reset_xfer from op_unwind\n"));
POP_XFER_ENTRY(&event_type, &set_fn, ¶m_val);
xfer_set_handlers(event_type, set_fn, param_val, TRUE);
}
}
break;
case SV_ZSTATUS:
MV_FORCE_STR(v);
dollar_zstatus.mvtype = MV_STR;
dollar_zstatus.str = v->str;
break;
case SV_PROMPT:
MV_FORCE_STR(v);
MV_FORCE_LEN_STRICT(v); /* Ensure that direct mode prompt will not have BADCHARs,
* otherwise the BADCHAR error may fill up the filesystem
*/
if (v->str.len <= SIZEOF_prombuf)
(TREF(gtmprompt)).len = v->str.len;
else if (!gtm_utf8_mode)
(TREF(gtmprompt)).len = SIZEOF_prombuf;
# ifdef UTF8_SUPPORTED
else
{
UTF8_LEADING_BYTE(v->str.addr + SIZEOF_prombuf, v->str.addr, vptr);
(TREF(gtmprompt)).len = INTCAST(vptr - v->str.addr);
}
# endif
memcpy((TREF(gtmprompt)).addr, v->str.addr, (TREF(gtmprompt)).len);
break;
case SV_ECODE:
MV_FORCE_STR(v);
if (v->str.len)
{
/* Format must be like ,Mnnn,Mnnn,Zxxx,Uxxx,
* Mnnn are ANSI standard error codes
* Zxxx are implementation-specific codes
* Uxxx are end-user defined codes
* Note that there must be commas at the start and at the end
*/
for (state = 2, i = 0; (i < v->str.len) && (state <= 2); i++)
{
switch(state)
{
case 2: state = (v->str.addr[i] == ',') ? 1 : 101;
break;
case 1: state = ((v->str.addr[i] == 'M') ||
(v->str.addr[i] == 'U') ||
(v->str.addr[i] == 'Z')) ? 0 : 101;
break;
case 0: state = (v->str.addr[i] == ',') ? 1 : 0;
break;
}
}
/* The above check would pass strings like ","
* so double-check that there are at least three characters
* (starting comma, ending comma, and something in between)
*/
if ((state != 1) || (v->str.len < 3))
{
/* error, ecode = M101 */
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_INVECODEVAL, 2, v->str.len, v->str.addr);
}
}
if (v->str.len > 0)
{
ecode_add(&v->str);
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(2) ERR_SETECODE, 0);
} else
{
NULLIFY_DOLLAR_ECODE; /* reset $ECODE related variables to correspond to $ECODE = NULL state */
NULLIFY_ERROR_FRAME; /* we are no more in error-handling mode */
/* A tp timeout was deferred. Now that we are clear of error handling and no job interrupt
* is in process, allow the timeout to be recognized.
*/
if ((TREF(save_xfer_root)) &&
(((TREF(save_xfer_root))->set_fn == tptimeout_set)
|| ((TREF(save_xfer_root))->set_fn == ztimeout_set)))
{
if ((tp_timeout_deferred || TREF(ztimeout_deferred)) && !dollar_zininterrupt)
{
DBGDFRDEVNT((stderr, "op_unwind1: Calling pop_reset_xfer from op_unwind\n"));
POP_XFER_ENTRY(&event_type, &set_fn, ¶m_val);
xfer_set_handlers(event_type, set_fn, param_val, TRUE);
}
}
}
break;
case SV_ETRAP:
MV_FORCE_STR(v);
ztrap_explicit_null = FALSE;
if ((TREF(dollar_ztrap)).str.len > 0)
{ /* replacing ZTRAP with ETRAP */
NULLIFY_TRAP(TREF(dollar_ztrap));
(TREF(dollar_etrap))= default_etrap; /* want change, so use default value in case of bad value */
}
if (v->str.len)
{ /* check we have valid code */
op_commarg(v, indir_linetail);
op_unwind();
} /* set $etrap="" clears any current value, but doesn't cancal all trapping the way $ZTRAP="" does */
(TREF(dollar_etrap)).mvtype = MV_STR;
(TREF(dollar_etrap)).str = v->str;
break;
case SV_ZERROR:
MV_FORCE_STR(v);
dollar_zerror.mvtype = MV_STR;
dollar_zerror.str = v->str;
break;
case SV_ZYERROR:
MV_FORCE_STR(v);
dollar_zyerror.mvtype = MV_STR;
dollar_zyerror.str = v->str;
break;
case SV_SYSTEM:
assert(FALSE);
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_SYSTEMVALUE, 2, v->str.len, v->str.addr);
break;
case SV_ZDIR:
setzdir(v, NULL); /* change directory to v */
getzdir(); /* update dollar_zdir with current working directory */
break;
case SV_ZINTERRUPT:
MV_FORCE_STR(v);
dollar_zinterrupt.mvtype = MV_STR;
dollar_zinterrupt.str = v->str;
break;
case SV_ZDATE_FORM:
MV_FORCE_NUM(v);
TREF(zdate_form) = (short)MV_FORCE_INT(v);
break;
case SV_ZTEXIT:
MV_FORCE_STR(v);
dollar_ztexit.mvtype = MV_STR;
dollar_ztexit.str = v->str;
/* Coercing $ZTEXIT to boolean at SET command is more efficient than coercing before each
* rethrow at TR/TRO. Since we want to maintain dollar_ztexit as a string, coercion should
* not be performed on dollar_ztext, but on a temporary (i.e. parameter v)
*/
dollar_ztexit_bool = MV_FORCE_BOOL(v);
break;
case SV_ZQUIT:
dollar_zquit_anyway = MV_FORCE_BOOL(v);
break;
case SV_ZTVALUE:
# ifdef GTM_TRIGGER
assert(!dollar_tlevel || (tstart_trigger_depth <= gtm_trigger_depth));
if (!dollar_tlevel || (tstart_trigger_depth == gtm_trigger_depth))
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_SETINTRIGONLY, 2, RTS_ERROR_TEXT("$ZTVALUE"));
if (dollar_ztriggerop != &gvtr_cmd_mval[GVTR_CMDTYPE_SET])
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_SETINSETTRIGONLY, 2, RTS_ERROR_TEXT("$ZTVALUE"));
assert(0 < gtm_trigger_depth);
memcpy(dollar_ztvalue, v, SIZEOF(mval));
dollar_ztvalue->mvtype &= ~MV_ALIASCONT; /* Make sure to shut off alias container flag on copy */
assert(NULL != ztvalue_changed_ptr);
*ztvalue_changed_ptr = TRUE;
break;
# else
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_UNIMPLOP);
# endif
case SV_ZTWORMHOLE:
# ifdef GTM_TRIGGER
MV_FORCE_STR(v);
/* See jnl.h for why MAX_ZTWORMHOLE_SIZE should be less than minimum alignsize */
assert(MAX_ZTWORMHOLE_SIZE < (JNL_MIN_ALIGNSIZE * DISK_BLOCK_SIZE));
if (MAX_ZTWORMHOLE_SIZE < v->str.len)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_ZTWORMHOLE2BIG, 2, v->str.len, MAX_ZTWORMHOLE_SIZE);
dollar_ztwormhole.mvtype = MV_STR;
dollar_ztwormhole.str = v->str;
break;
# else
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_UNIMPLOP);
# endif
case SV_ZTSLATE:
# ifdef GTM_TRIGGER
assert(!dollar_tlevel || (tstart_trigger_depth <= gtm_trigger_depth));
if (!dollar_tlevel || (tstart_trigger_depth == gtm_trigger_depth))
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_SETINTRIGONLY, 2, RTS_ERROR_TEXT("$ZTSLATE"));
assert(0 < gtm_trigger_depth);
MV_FORCE_DEFINED(v);
memcpy((char *)&dollar_ztslate, v, SIZEOF(mval));
dollar_ztslate.mvtype &= ~MV_ALIASCONT; /* Make sure to shut off alias container flag on copy */
break;
# else
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_UNIMPLOP);
# endif
case SV_ZSTRPLLIM:
previous_gtm_strpllim = stringpool.strpllim;
stringpool.strpllim = MV_FORCE_INT(v);
if ((stringpool.strpllim <= 0) || (stringpool.strpllim >= previous_gtm_strpllim))
stringpool.strpllimwarned = FALSE;
else if (STP_GCOL_TRIGGER_FLOOR > stringpool.strpllim)
stringpool.strpllim += STP_GCOL_TRIGGER_FLOOR;
break;
case SV_ZTIMEOUT:
check_and_set_ztimeout(v);
break;
default:
assertpro(FALSE && varnum);
}
return;
}
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