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builtin.c
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builtin.c
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/*
* The Regina Rexx Interpreter
* Copyright (C) 1992-1994 Anders Christensen <anders@pvv.unit.no>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "rexx.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <stdio.h>
#include <assert.h>
#include <limits.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_PROCESS_H
#include <process.h>
#endif
#ifdef SunKludges
double pow( double, double ) ;
#endif
#if defined(HAVE_PUTENV) && defined(FIX_PROTOS) && defined(ultrix)
void putenv( char* );
#endif
#define UPPERLETTER(a) ((((a)&0xdf)>='A')&&(((a)&0xdf)<='Z'))
#define NUMERIC(a) (((a)>='0')&&((a)<='9'))
static const char *WeekDays[] = { "Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday" } ;
const char *months[] = { "January", "February", "March", "April", "May",
"June", "July", "August", "September", "October",
"November", "December" } ;
struct envirlist {
struct envirlist *next ;
streng *ptr ;
};
typedef struct { /* bui_tsd: static variables of this module (thread-safe) */
struct envirlist * first_envirvar;
lineboxptr srcline_ptr; /* std_sourceline() */
lineboxptr srcline_first; /* std_sourceline() */
int srcline_lineno; /* std_sourceline() */
int seed;
} bui_tsd_t; /* thread-specific but only needed by this module. see
* init_builtin
*/
/* init_builtin initializes the module.
* Currently, we set up the thread specific data.
* The function returns 1 on success, 0 if memory is short.
*/
int init_builtin( tsd_t *TSD )
{
bui_tsd_t *bt;
if (TSD->bui_tsd != NULL)
return(1);
if ( ( TSD->bui_tsd = MallocTSD( sizeof(bui_tsd_t) ) ) == NULL )
return(0);
bt = (bui_tsd_t *)TSD->bui_tsd;
memset( bt, 0, sizeof(bui_tsd_t) ); /* correct for all values */
#if defined(HAVE_RANDOM)
srandom((int) (time((time_t *)0)+getpid())%(3600*24)) ;
#else
srand((unsigned) (time((time_t *)0)+getpid())%(3600*24)) ;
#endif
return(1);
}
static int contained_in( const char *first, const char *fend, const char *second, const char *send )
/*
* Determines if one string exists in another string. Search is done
* based on words.
*/
{
/*
* Skip over any leading spaces in the search string
*/
for (; (first<fend)&&(rx_isspace(*first)); first++)
{
;
}
/*
* Trim any trailing spaces in the search string
*/
for (; (first<fend)&&(rx_isspace(*(fend-1))); fend--)
{
;
}
/*
* Skip over any leading spaces in the searched string
*/
for (; (second<send)&&(rx_isspace(*second)); second++)
{
;
}
/*
* Trim any trailing spaces in the searched string
*/
for (; (second<send)&&(rx_isspace(*(send-1))); send--)
{
;
}
/*
* If the length of the search string is less than the string to
* search we won't find a match
*/
if (fend-first > send-second)
return 0;
for (; (first<fend); )
{
for (; (first<fend)&&(!rx_isspace(*first)); first++, second++)
{
if ((*first)!=(*second))
return 0 ;
}
if ((second<send)&&(!rx_isspace(*second)))
return 0 ;
if (first==fend)
return 1 ;
for (; (first<fend)&&(rx_isspace(*first)); first++)
{
;
}
for (; (second<send)&&(rx_isspace(*second)); second++)
{
;
}
}
return 1 ;
}
streng *std_wordpos( tsd_t *TSD, cparamboxptr parms )
{
streng *seek=NULL, *target=NULL ;
char *sptr=NULL, *tptr=NULL, *end=NULL, *send=NULL ;
int start=1, res=0 ;
checkparam( parms, 2, 3 , "WORDPOS" ) ;
seek = parms->value ;
target = parms->next->value ;
if ((parms->next->next)&&(parms->next->next->value))
start = atopos( TSD, parms->next->next->value, "WORDPOS", 3 ) ;
end = target->value + Str_len(target) ;
/* Then lets position right in the target */
for (tptr=target->value; (tptr<end) && rx_isspace(*tptr) ; tptr++) /* FGC: ordered */
{
;
}
for (res=1; (res<start); res++)
{
for (; (tptr<end)&&(!rx_isspace(*tptr)); tptr++ )
{
;
}
for (; (tptr<end) && rx_isspace(*tptr); tptr++ )
{
;
}
}
send = seek->value + Str_len(seek) ;
for (sptr=seek->value; (sptr<send) && rx_isspace(*sptr); sptr++)
{
;
}
if (sptr<send)
{
for ( ; (sptr<send)&&(tptr<end); )
{
if (contained_in( sptr, send, tptr, end ))
break ;
for (; (tptr<end)&&(!rx_isspace(*tptr)); tptr++)
{
;
}
for (; (tptr<end)&&(rx_isspace(*tptr)); tptr++)
{
;
}
res++ ;
}
}
if ((sptr>=send)||((sptr<send)&&(tptr>=end)))
res = 0 ;
return int_to_streng( TSD, res ) ;
}
streng *std_wordlength( tsd_t *TSD, cparamboxptr parms )
{
int i=0, number=0 ;
streng *string=NULL ;
char *ptr=NULL, *end=NULL ;
checkparam( parms, 2, 2 , "WORDLENGTH" ) ;
string = parms->value ;
number = atopos( TSD, parms->next->value, "WORDLENGTH", 2 ) ;
end = (ptr=string->value) + Str_len(string) ;
for (; (ptr<end) && rx_isspace(*ptr); ptr++)
{
;
}
for (i=0; i<number-1; i++)
{
for (; (ptr<end)&&(!rx_isspace(*ptr)); ptr++)
{
;
}
for (; (ptr<end)&&(rx_isspace(*ptr)); ptr++ )
{
;
}
}
for (i=0; (((ptr+i)<end)&&(!rx_isspace(*(ptr+i)))); i++)
{
;
}
return (int_to_streng( TSD,i)) ;
}
streng *std_wordindex( tsd_t *TSD, cparamboxptr parms )
{
int i=0, number=0 ;
streng *string=NULL ;
char *ptr=NULL, *end=NULL ;
checkparam( parms, 2, 2 , "WORDINDEX" ) ;
string = parms->value ;
number = atopos( TSD, parms->next->value, "WORDINDEX", 2 ) ;
end = (ptr=string->value) + Str_len(string) ;
for (; (ptr<end) && rx_isspace(*ptr); ptr++)
{
;
}
for (i=0; i<number-1; i++)
{
for (; (ptr<end)&&(!rx_isspace(*ptr)); ptr++)
{
;
}
for (; (ptr<end)&&(rx_isspace(*ptr)); ptr++)
{
;
}
}
return ( int_to_streng( TSD, (ptr<end) ? (ptr - string->value + 1 ) : 0) ) ;
}
streng *std_delword( tsd_t *TSD, cparamboxptr parms )
{
char *rptr=NULL, *cptr=NULL, *end=NULL ;
streng *string=NULL ;
int length=(-1), start=0, i=0 ;
checkparam( parms, 2, 3 , "DELWORD" ) ;
string = Str_dupTSD(parms->value) ;
start = atopos( TSD, parms->next->value, "DELWORD", 2 ) ;
if ((parms->next->next)&&(parms->next->next->value))
length = atozpos( TSD, parms->next->next->value, "DELWORD", 3 ) ;
end = (cptr=string->value) + Str_len(string) ;
for (; (cptr<end) && rx_isspace(*cptr); cptr++ )
{
;
}
for (i=0; i<(start-1); i++)
{
for (; (cptr<end)&&(!rx_isspace(*cptr)); cptr++)
{
;
}
for (; (cptr<end) && rx_isspace(*cptr); cptr++)
{
;
}
}
rptr = cptr ;
for (i=0; (i<(length))||((length==(-1))&&(cptr<end)); i++)
{
for (; (cptr<end)&&(!rx_isspace(*cptr)); cptr++ )
{
;
}
for (; (cptr<end) && rx_isspace(*cptr); cptr++ )
{
;
}
}
for (; (cptr<end);)
{
for (; (cptr<end)&&(!rx_isspace(*cptr)); *(rptr++) = *(cptr++))
{
;
}
for (; (cptr<end) && rx_isspace(*cptr); *(rptr++) = *(cptr++))
{
;
}
}
string->len = (rptr - string->value) ;
return string ;
}
streng *std_xrange( tsd_t *TSD, cparamboxptr parms )
{
int start=0, stop=0xff, i=0, length=0 ;
streng *result=NULL ;
checkparam( parms, 0, 2 , "XRANGE" ) ;
if ( parms->value )
start = (unsigned char) getonechar( TSD, parms->value, "XRANGE", 1 ) ;
if ( ( parms->next )
&& ( parms->next->value ) )
stop = (unsigned char) getonechar( TSD, parms->next->value, "XRANGE", 2 ) ;
length = stop - start + 1 ;
if (length<1)
length = 256 + length ;
result = Str_makeTSD( length ) ;
for (i=0; (i<length); i++)
{
if (start==256)
start = 0 ;
result->value[i] = (char) start++ ;
}
/* result->value[i] = (char) stop ; */
result->len = i ;
return result ;
}
streng *std_lastpos( tsd_t *TSD, cparamboxptr parms )
{
int res=0, start=0, i=0, j=0, nomore=0 ;
streng *needle=NULL, *heystack=NULL ;
checkparam( parms, 2, 3 , "LASTPOS" ) ;
needle = parms->value ;
heystack = parms->next->value ;
if ((parms->next->next)&&(parms->next->next->value))
start = atopos( TSD, parms->next->next->value, "LASTPOS", 3 ) ;
else
start = Str_len( heystack ) ;
nomore = Str_len( needle ) ;
if (start>Str_len(heystack))
start = Str_len( heystack ) ;
if (nomore>start
|| nomore==0)
res = 0 ;
else
{
for (i=start-nomore ; i>=0; i-- )
{
/*
* FGC: following loop was "<=nomore"
*/
for (j=0; (j<nomore)&&(needle->value[j]==heystack->value[i+j]);j++) ;
if (j>=nomore)
{
res = i + 1 ;
break ;
}
}
}
return (int_to_streng( TSD,res)) ;
}
streng *std_pos( tsd_t *TSD, cparamboxptr parms )
{
int start=1, res=0 ;
streng *needle=NULL, *heystack=NULL ;
checkparam( parms, 2, 3 , "POS" ) ;
needle = parms->value ;
heystack = parms->next->value ;
if ((parms->next->next)&&(parms->next->next->value))
start = atopos( TSD, parms->next->next->value, "POS", 3 ) ;
if ((!needle->len)
|| (!heystack->len)
|| (start>heystack->len))
res = 0 ;
else
{
res = bmstrstr(heystack, start-1, needle, 0) + 1 ;
}
return (int_to_streng( TSD, res ) ) ;
}
streng *std_subword( tsd_t *TSD, cparamboxptr parms )
{
int i=0, length=0, start=0 ;
char *cptr=NULL, *eptr=NULL, *cend=NULL ;
streng *string=NULL, *result=NULL ;
checkparam( parms, 2, 3 , "SUBWORD" ) ;
string = parms->value ;
start = atopos( TSD, parms->next->value, "SUBWORD", 2 ) ;
if ((parms->next->next)&&(parms->next->next->value))
length = atozpos( TSD, parms->next->next->value, "SUBWORD", 3 ) ;
else
length = -1 ;
cptr = string->value ;
cend = cptr + Str_len(string) ;
for (i=1; i<start; i++)
{
for ( ; (cptr<cend)&&(rx_isspace(*cptr)); cptr++)
{
;
}
for ( ; (cptr<cend)&&(!rx_isspace(*cptr)); cptr++)
{
;
}
}
for ( ; (cptr<cend)&&(rx_isspace(*cptr)); cptr++)
{
;
}
eptr = cptr ;
if (length>=0)
{
for( i=0; (i<length); i++ )
{
for (;(eptr<cend)&&(rx_isspace(*eptr)); eptr++) /* wount hit 1st time */
{
;
}
for (;(eptr<cend)&&(!rx_isspace(*eptr)); eptr++)
{
;
}
}
}
else
eptr = cend;
/* fixes bug 1113373 */
while ((eptr > cptr) && rx_isspace(*(eptr-1)))
{
eptr--;
}
result = Str_makeTSD( eptr-cptr ) ;
memcpy( result->value, cptr, (eptr-cptr) ) ;
result->len = (eptr-cptr) ;
return result ;
}
streng *std_symbol( tsd_t *TSD, cparamboxptr parms )
{
int type=0 ;
checkparam( parms, 1, 1 , "SYMBOL" ) ;
type = valid_var_symbol( parms->value ) ;
if (type==SYMBOL_BAD)
return Str_creTSD("BAD") ;
if ( ( type != SYMBOL_CONSTANT ) && ( type != SYMBOL_NUMBER ) )
{
assert(type==SYMBOL_STEM||type==SYMBOL_SIMPLE||type==SYMBOL_COMPOUND);
if (isvariable(TSD, parms->value))
return Str_creTSD("VAR") ;
}
return Str_creTSD("LIT") ;
}
#if defined(TRACEMEM)
static void mark_envirvars( const tsd_t *TSD )
{
struct envirlist *ptr=NULL ;
bui_tsd_t *bt;
bt = (bui_tsd_t *) TSD->bui_tsd;
for (ptr=bt->first_envirvar; ptr; ptr=ptr->next)
{
markmemory( ptr, TRC_STATIC ) ;
markmemory( ptr->ptr, TRC_STATIC ) ;
}
}
static void add_new_env( const tsd_t *TSD, streng *ptr )
{
struct envirlist *newElem=NULL ;
bui_tsd_t *bt;
bt = (bui_tsd_t *) TSD->bui_tsd;
newElem = (struct envirlist *) MallocTSD( sizeof( struct envirlist )) ;
newElem->next = bt->first_envirvar ;
newElem->ptr = ptr ;
if (!bt->first_envirvar)
regmarker( TSD, mark_envirvars ) ;
bt->first_envirvar = newElem ;
}
#endif
/*
* ext_pool_value processes the request of the BIF value() and putenv() for the external
* variable pool known as the "environment" in terms of the C library.
*
* name has to be a '\0'-terminated streng, value is either NULL or the
* new content of the variable called name.
*/
streng *ext_pool_value( tsd_t *TSD, streng *name, streng *value,
streng *env )
{
streng *retval=NULL;
int ok=HOOK_GO_ON;
/*
* Get the current value from the exit if we have one, or from the
* environment directly if not...
*/
if ( TSD->systeminfo->hooks & HOOK_MASK( HOOK_GETENV ) )
ok = hookup_input_output( TSD, HOOK_GETENV, name, &retval );
#ifdef VMS
if ( ok == HOOK_GO_ON )
{
/*
* Either there was no exit handler, or the exit handler didn't
* handle the GETENV. Get the environment variable directly from
* the system.
*/
retval = vms_resolv_symbol( TSD, name, value, env );
}
else if ( value )
exiterror( ERR_SYSTEM_FAILURE, 1, "No support for setting an environment variable" );
/*
* FIXME: What happens if value is set and HOOK_GO_ON isn't set?
* What happens with the different Pools SYMBOL, SYSTEM, LOGICAL?
*/
return retval;
#else
if ( ok == HOOK_GO_ON )
{
char *val = mygetenv( TSD, name->value, NULL, 0 );
if ( val )
{
retval = Str_creTSD( val );
FreeTSD( val );
}
}
/*
* retval is prepared. Check for setting a new value.
*/
if ( value )
{
/*
* We are setting a value in the external environment
*/
if ( TSD->restricted )
exiterror( ERR_RESTRICTED, 2, "VALUE", 2 );
if ( TSD->systeminfo->hooks & HOOK_MASK( HOOK_SETENV ) )
ok = hookup_output2( TSD, HOOK_SETENV, name, value );
if ( ok == HOOK_GO_ON )
{
# if defined(HAVE_MY_WIN32_SETENV)
streng *strvalue = Str_dupstrTSD( value );
TSD->OS->setenv_exec(name->value, strvalue->value );
Free_stringTSD( strvalue );
# elif defined(HAVE_SETENV)
streng *strvalue = Str_dupstrTSD( value );
setenv(name->value, strvalue->value, 1 );
Free_stringTSD( strvalue );
# elif defined(HAVE_PUTENV)
/*
* Note: we don't release the allocated memory, because the runtime
* system might use the pointer itself, not the content.
* (See glibc's documentation)
*/
streng *newstr = Str_makeTSD( Str_len( name ) + Str_len( value ) + 2 );
Str_catTSD( newstr, name );
Str_catstrTSD( newstr, "=" );
Str_catTSD( newstr, value );
newstr->value[Str_len(newstr)] = '\0';
putenv( newstr->value );
# ifdef TRACEMEM
add_new_env( TSD, newstr );
# endif
# else
exiterror( ERR_SYSTEM_FAILURE, 1, "No support for setting an environment variable" );
# endif /* HAVE_PUTENV */
}
}
return retval;
#endif /* !VMS */
}
/*
* FGC, 07.04.2005
* FIXME: We are not throwing 40.36, but I'm not sure we should at all.
*/
streng *std_value( tsd_t *TSD, cparamboxptr parms )
{
streng *name,*retval;
streng *value=NULL,*env=NULL;
int i,err,pool=-1,ext_pool=0;
checkparam( parms, 1, 3 , "VALUE" );
name = Str_dupstrTSD( parms->value );
if ( parms->next )
{
value = parms->next->value;
if ( parms->next->next )
env = parms->next->next->value;
}
if ( env )
{
i = Str_len( env );
if ( ( ( i == 6 ) && ( memcmp( env->value, "SYSTEM", 6 ) == 0 ) )
|| ( ( i == 14 ) && ( memcmp( env->value, "OS2ENVIRONMENT", 14 ) == 0 ) )
|| ( ( i == 11 ) && ( memcmp( env->value, "ENVIRONMENT", 11 ) == 0 ) ) )
{
ext_pool = 1;
}
else if ( ( i == 6 ) && ( memcmp( env->value, "CALLER", 6) == 0 ) )
{
pool = TSD->currlevel->pool - 1;
}
else
{
pool = streng_to_int( TSD, env, &err );
/*
* Accept a builtin pool if it is a number >= 0.
*/
if ( pool < 0 )
err = 1;
if ( pool > TSD->currlevel->pool )
err = 1;
if ( err )
exiterror( ERR_INCORRECT_CALL, 37, "VALUE", tmpstr_of( TSD, env ) );
}
if ( ext_pool == 1 )
{
/*
* Use external environment
*/
retval = ext_pool_value( TSD, name, value, env );
Free_stringTSD( name );
if ( retval == NULL )
retval = nullstringptr();
return retval;
}
}
/*
* Internal variable pool; ie Rexx variables. According to ANSI standard
* need to uppercase the variable name first.
*/
if ( !valid_var_symbol( name ) )
{
Free_stringTSD( name );
exiterror( ERR_INCORRECT_CALL, 26, "VALUE", tmpstr_of( TSD, parms->value ) );
}
Str_upper( name );
retval = Str_dupTSD( get_it_anyway( TSD, name, pool ) );
if ( value )
setvalue( TSD, name, Str_dupTSD( value ), pool );
Free_stringTSD( name );
return retval;
}
streng *std_abs( tsd_t *TSD, cparamboxptr parms )
{
checkparam( parms, 1, 1 , "ABS" ) ;
return str_abs( TSD, parms->value ) ;
}
streng *std_condition( tsd_t *TSD, cparamboxptr parms )
{
char opt='I' ;
streng *result=NULL ;
sigtype *sig=NULL ;
trap *traps=NULL ;
char buf[20];
checkparam( parms, 0, 1 , "CONDITION" ) ;
if (parms&&parms->value)
opt = getoptionchar( TSD, parms->value, "CONDITION", 1, "CEIDS", "" ) ;
result = NULL ;
sig = getsigs(TSD->currlevel) ;
if (sig)
switch (opt)
{
case 'C':
result = Str_creTSD( signalnames[sig->type] ) ;
break ;
case 'I':
result = Str_creTSD( (sig->invoke) ? "SIGNAL" : "CALL" ) ;
break ;
case 'D':
if (sig->descr)
result = Str_dupTSD( sig->descr ) ;
break ;
case 'E':
if (sig->subrc)
sprintf(buf, "%d.%d", sig->rc, sig->subrc );
else
sprintf(buf, "%d", sig->rc );
result = Str_creTSD( buf ) ;
break ;
case 'S':
traps = gettraps( TSD, TSD->currlevel ) ;
if (traps[sig->type].delayed)
result = Str_creTSD( "DELAY" ) ;
else
result = Str_creTSD( (traps[sig->type].on_off) ? "ON" : "OFF" ) ;
break ;
default:
/* should not get here */
break;
}
if (!result)
result = nullstringptr() ;
return result ;
}
streng *std_format( tsd_t *TSD, cparamboxptr parms )
{
streng *number=NULL ;
int before=(-1), after=(-1) ;
int esize=(-1), trigger=(-1) ;
cparamboxptr ptr ;
checkparam( parms, 1, 5, "FORMAT" ) ;
number = (ptr=parms)->value ;
if ((ptr) && ((ptr=ptr->next)!=NULL) && (ptr->value))
before = atozpos( TSD, ptr->value, "FORMAT", 2 ) ;
if ((ptr) && ((ptr=ptr->next)!=NULL) && (ptr->value))
after = atozpos( TSD, ptr->value, "FORMAT", 3 ) ;
if ((ptr) && ((ptr=ptr->next)!=NULL) && (ptr->value))
esize = atozpos( TSD, ptr->value, "FORMAT", 4 ) ;
if ((ptr) && ((ptr=ptr->next)!=NULL) && (ptr->value))
trigger = atozpos( TSD, ptr->value, "FORMAT", 5 ) ;
return str_format( TSD, number, before, after, esize, trigger ) ;
}
streng *std_overlay( tsd_t *TSD, cparamboxptr parms )
{
streng *newstr=NULL, *oldstr=NULL, *retval=NULL ;
char padch=' ' ;
int length=0, spot=0, oldlen=0, i=0, j=0, k=0 ;
paramboxptr tmpptr=NULL ;
checkparam( parms, 2, 5, "OVERLAY" ) ;
newstr = parms->value ;
oldstr = parms->next->value ;
length = Str_len(newstr) ;
oldlen = Str_len(oldstr) ;
if (parms->next->next)
{
tmpptr = parms->next->next ;
if (parms->next->next->value)
spot = atopos( TSD, tmpptr->value, "OVERLAY", 3 ) ;
if (tmpptr->next)
{
tmpptr = tmpptr->next ;
if (tmpptr->value)
length = atozpos( TSD, tmpptr->value, "OVERLAY", 4 ) ;
if ((tmpptr->next)&&(tmpptr->next->value))
padch = getonechar( TSD, tmpptr->next->value, "OVERLAY", 5 ) ;
}
}
retval = Str_makeTSD(((spot+length-1>oldlen)?spot+length-1:oldlen)) ;
for (j=i=0;(i<spot-1)&&(i<oldlen);retval->value[j++]=oldstr->value[i++]) ;
for (;j<spot-1;retval->value[j++]=padch) ;
for (k=0;(k<length)&&(Str_in(newstr,k));retval->value[j++]=newstr->value[k++])
if (i<oldlen) i++ ;
for (;k++<length;retval->value[j++]=padch) if (oldlen>i) i++ ;
for (;oldlen>i;retval->value[j++]=oldstr->value[i++]) ;
retval->len = j ;
return retval ;
}
streng *std_insert( tsd_t *TSD, cparamboxptr parms )
{
streng *newstr=NULL, *oldstr=NULL, *retval=NULL ;
char padch=' ' ;
int length=0, spot=0, oldlen=0, i=0, j=0, k=0 ;
paramboxptr tmpptr=NULL ;
checkparam( parms, 2, 5, "INSERT" ) ;
newstr = parms->value ;
oldstr = parms->next->value ;
length = Str_len(newstr) ;
oldlen = Str_len(oldstr) ;
if (parms->next->next)
{
tmpptr = parms->next->next ;
if (parms->next->next->value)
spot = atozpos( TSD, tmpptr->value, "INSERT", 3 ) ;
if (tmpptr->next)
{
tmpptr = tmpptr->next ;
if (tmpptr->value)
length = atozpos( TSD, tmpptr->value, "INSERT", 4 ) ;
if ((tmpptr->next)&&(tmpptr->next->value))
padch = getonechar( TSD, tmpptr->next->value, "INSERT", 5) ;
}
}
retval = Str_makeTSD(length+((spot>oldlen)?spot:oldlen)) ;
for (j=i=0;(i<spot)&&(oldlen>i);retval->value[j++]=oldstr->value[i++]) ;
for (;j<spot;retval->value[j++]=padch) ;
for (k=0;(k<length)&&(Str_in(newstr,k));retval->value[j++]=newstr->value[k++]) ;
for (;k++<length;retval->value[j++]=padch) ;
for (;oldlen>i;retval->value[j++]=oldstr->value[i++]) ;
retval->len = j ;
return retval ;
}
streng *std_time( tsd_t *TSD, cparamboxptr parms )
{
int hour=0 ;
time_t unow=0, now=0, rnow=0 ;
long usec=0L, sec=0L, timediff=0L ;
char *ampm=NULL ;
char format='N' ;
#ifdef __CHECKER__
/* Fix a bug by checker: */
streng *answer=Str_makeTSD( 64 ) ;
#else
streng *answer=Str_makeTSD( 50 ) ;
#endif
streng *supptime=NULL;
streng *str_suppformat=NULL;
char suppformat = 'N' ;
paramboxptr tmpptr=NULL;
struct tm tmdata, *tmptr ;
checkparam( parms, 0, 3 , "TIME" ) ;
if ((parms)&&(parms->value))
format = getoptionchar( TSD, parms->value, "TIME", 1, "CEHLMNORS", "JT" ) ;
if (parms->next)
{
tmpptr = parms->next ;
if (parms->next->value)
supptime = tmpptr->value ;
if (tmpptr->next)
{
tmpptr = tmpptr->next ;
if (tmpptr->value)
{
str_suppformat = tmpptr->value;
suppformat = getoptionchar( TSD, tmpptr->value, "TIME", 3, "CHLMNS", "T" ) ;
}
}
else
{
suppformat = 'N';
}
}
if (TSD->currentnode->now)
{
now = TSD->currentnode->now->sec ;
unow = TSD->currentnode->now->usec ;
}
else
{
getsecs(&now, &unow) ;
TSD->currentnode->now = (rexx_time *)MallocTSD( sizeof( rexx_time ) ) ;
TSD->currentnode->now->sec = now ;
TSD->currentnode->now->usec = unow ;
}
rnow = now ;
if (unow>=(500*1000)
&& format != 'L')
now ++ ;
if ((tmptr = localtime(&now)) != NULL)
tmdata = *tmptr;
else
memset(&tmdata,0,sizeof(tmdata)); /* what shall we do in this case? */
if (supptime) /* time conversion required */
{
if (convert_time(TSD,supptime,suppformat,&tmdata,&unow))
{
char *p1, *p2;
if (supptime && supptime->len)
p1 = (char *) tmpstr_of( TSD, supptime ) ;
else
p1 = "";
if (str_suppformat && str_suppformat->len)
p2 = (char *) tmpstr_of( TSD, str_suppformat ) ;
else
p2 = "N";
exiterror( ERR_INCORRECT_CALL, 19, "TIME", p1, p2 ) ;