[p5sagit/p5-mst-13.2.git] / evalargs.xc

/* This file is included by eval.c.  It's separate from eval.c to keep
 * kit sizes from getting too big.
 */

/* $Header: evalargs.xc,v 3.0.1.3 89/11/17 15:25:07 lwall Locked $
 *
 * $Log:	evalargs.xc,v $
 * Revision 3.0.1.3  89/11/17  15:25:07  lwall
 * patch5: constant numeric subscripts disappeared in ?:
 * 
 * Revision 3.0.1.2  89/11/11  04:33:05  lwall
 * patch2: Configure now locates csh
 * 
 * Revision 3.0.1.1  89/10/26  23:12:55  lwall
 * patch1: glob didn't free a temporary string
 * 
 * Revision 3.0  89/10/18  15:17:16  lwall
 * 3.0 baseline
 * 
 */

    for (anum = 1; anum <= maxarg; anum++) {
	argflags = arg[anum].arg_flags;
	argtype = arg[anum].arg_type;
	argptr = arg[anum].arg_ptr;
      re_eval:
	switch (argtype) {
	default:
	    st[++sp] = &str_undef;
#ifdef DEBUGGING
	    tmps = "NULL";
#endif
	    break;
	case A_EXPR:
#ifdef DEBUGGING
	    if (debug & 8) {
		tmps = "EXPR";
		deb("%d.EXPR =>\n",anum);
	    }
#endif
	    sp = eval(argptr.arg_arg,
		(argflags & AF_ARYOK) ? G_ARRAY : G_SCALAR, sp);
	    if (sp + (maxarg - anum) > stack->ary_max)
		astore(stack, sp + (maxarg - anum), Nullstr);
	    st = stack->ary_array;	/* possibly reallocated */
	    break;
	case A_CMD:
#ifdef DEBUGGING
	    if (debug & 8) {
		tmps = "CMD";
		deb("%d.CMD (%lx) =>\n",anum,argptr.arg_cmd);
	    }
#endif
	    sp = cmd_exec(argptr.arg_cmd, gimme, sp);
	    if (sp + (maxarg - anum) > stack->ary_max)
		astore(stack, sp + (maxarg - anum), Nullstr);
	    st = stack->ary_array;	/* possibly reallocated */
	    break;
	case A_LARYSTAB:
	    ++sp;
	    switch (optype) {
		case O_ITEM2: argtype = 2; break;
		case O_ITEM3: argtype = 3; break;
		default:      argtype = anum; break;
	    }
	    str = afetch(stab_array(argptr.arg_stab),
		arg[argtype].arg_len - arybase, TRUE);
#ifdef DEBUGGING
	    if (debug & 8) {
		(void)sprintf(buf,"LARYSTAB $%s[%d]",stab_name(argptr.arg_stab),
		    arg[argtype].arg_len);
		tmps = buf;
	    }
#endif
	    goto do_crement;
	case A_ARYSTAB:
	    switch (optype) {
		case O_ITEM2: argtype = 2; break;
		case O_ITEM3: argtype = 3; break;
		default:      argtype = anum; break;
	    }
	    st[++sp] = afetch(stab_array(argptr.arg_stab),
		arg[argtype].arg_len - arybase, FALSE);
	    if (!st[sp])
		st[sp] = &str_undef;
#ifdef DEBUGGING
	    if (debug & 8) {
		(void)sprintf(buf,"ARYSTAB $%s[%d]",stab_name(argptr.arg_stab),
		    arg[argtype].arg_len);
		tmps = buf;
	    }
#endif
	    break;
	case A_STAR:
	    st[++sp] = (STR*)argptr.arg_stab;
#ifdef DEBUGGING
	    if (debug & 8) {
		(void)sprintf(buf,"STAR *%s",stab_name(argptr.arg_stab));
		tmps = buf;
	    }
#endif
	    break;
	case A_LSTAR:
	    str = st[++sp] = (STR*)argptr.arg_stab;
#ifdef DEBUGGING
	    if (debug & 8) {
		(void)sprintf(buf,"LSTAR *%s",stab_name(argptr.arg_stab));
		tmps = buf;
	    }
#endif
	    break;
	case A_STAB:
	    st[++sp] = STAB_STR(argptr.arg_stab);
#ifdef DEBUGGING
	    if (debug & 8) {
		(void)sprintf(buf,"STAB $%s",stab_name(argptr.arg_stab));
		tmps = buf;
	    }
#endif
	    break;
	case A_LEXPR:
#ifdef DEBUGGING
	    if (debug & 8) {
		tmps = "LEXPR";
		deb("%d.LEXPR =>\n",anum);
	    }
#endif
	    if (argflags & AF_ARYOK) {
		sp = eval(argptr.arg_arg, G_ARRAY, sp);
		if (sp + (maxarg - anum) > stack->ary_max)
		    astore(stack, sp + (maxarg - anum), Nullstr);
		st = stack->ary_array;	/* possibly reallocated */
	    }
	    else {
		sp = eval(argptr.arg_arg, G_SCALAR, sp);
		st = stack->ary_array;	/* possibly reallocated */
		str = st[sp];
		goto do_crement;
	    }
	    break;
	case A_LVAL:
#ifdef DEBUGGING
	    if (debug & 8) {
		(void)sprintf(buf,"LVAL $%s",stab_name(argptr.arg_stab));
		tmps = buf;
	    }
#endif
	    ++sp;
	    str = STAB_STR(argptr.arg_stab);
	    if (!str)
		fatal("panic: A_LVAL");
	  do_crement:
	    assigning = TRUE;
	    if (argflags & AF_PRE) {
		if (argflags & AF_UP)
		    str_inc(str);
		else
		    str_dec(str);
		STABSET(str);
		st[sp] = str;
		str = arg->arg_ptr.arg_str;
	    }
	    else if (argflags & AF_POST) {
		st[sp] = str_static(str);
		if (argflags & AF_UP)
		    str_inc(str);
		else
		    str_dec(str);
		STABSET(str);
		str = arg->arg_ptr.arg_str;
	    }
	    else
		st[sp] = str;
	    break;
	case A_LARYLEN:
	    ++sp;
	    stab = argptr.arg_stab;
	    str = stab_array(argptr.arg_stab)->ary_magic;
	    if (argflags & (AF_PRE|AF_POST))
		str_numset(str,(double)(stab_array(stab)->ary_fill+arybase));
#ifdef DEBUGGING
	    tmps = "LARYLEN";
#endif
	    if (!str)
		fatal("panic: A_LEXPR");
	    goto do_crement;
	case A_ARYLEN:
	    stab = argptr.arg_stab;
	    st[++sp] = stab_array(stab)->ary_magic;
	    str_numset(st[sp],(double)(stab_array(stab)->ary_fill+arybase));
#ifdef DEBUGGING
	    tmps = "ARYLEN";
#endif
	    break;
	case A_SINGLE:
	    st[++sp] = argptr.arg_str;
#ifdef DEBUGGING
	    tmps = "SINGLE";
#endif
	    break;
	case A_DOUBLE:
	    (void) interp(str,argptr.arg_str,sp);
	    st = stack->ary_array;
	    st[++sp] = str;
#ifdef DEBUGGING
	    tmps = "DOUBLE";
#endif
	    break;
	case A_BACKTICK:
	    tmps = str_get(interp(str,argptr.arg_str,sp));
	    st = stack->ary_array;
#ifdef TAINT
	    taintproper("Insecure dependency in ``");
#endif
	    fp = mypopen(tmps,"r");
	    str_set(str,"");
	    if (fp) {
		while (str_gets(str,fp,str->str_cur) != Nullch)
		    ;
		statusvalue = mypclose(fp);
	    }
	    else
		statusvalue = -1;

	    st[++sp] = str;
#ifdef DEBUGGING
	    tmps = "BACK";
#endif
	    break;
	case A_WANTARRAY:
	    {
		extern int wantarray;

		if (wantarray == G_ARRAY)
		    st[++sp] = &str_yes;
		else
		    st[++sp] = &str_no;
	    }
#ifdef DEBUGGING
	    tmps = "WANTARRAY";
#endif
	    break;
	case A_INDREAD:
	    last_in_stab = stabent(str_get(STAB_STR(argptr.arg_stab)),TRUE);
	    old_record_separator = record_separator;
	    goto do_read;
	case A_GLOB:
	    argflags |= AF_POST;	/* enable newline chopping */
	    last_in_stab = argptr.arg_stab;
	    old_record_separator = record_separator;
#ifdef CSH
	    record_separator = 0;
#else
	    record_separator = '\n';
#endif
	    goto do_read;
	case A_READ:
	    last_in_stab = argptr.arg_stab;
	    old_record_separator = record_separator;
	  do_read:
	    if (anum > 1)		/* assign to scalar */
		gimme = G_SCALAR;	/* force context to scalar */
	    ++sp;
	    fp = Nullfp;
	    if (stab_io(last_in_stab)) {
		fp = stab_io(last_in_stab)->ifp;
		if (!fp) {
		    if (stab_io(last_in_stab)->flags & IOF_ARGV) {
			if (stab_io(last_in_stab)->flags & IOF_START) {
			    stab_io(last_in_stab)->flags &= ~IOF_START;
			    stab_io(last_in_stab)->lines = 0;
			    if (alen(stab_array(last_in_stab)) < 0) {
				tmpstr = str_make("-",1); /* assume stdin */
				(void)apush(stab_array(last_in_stab), tmpstr);
			    }
			}
			fp = nextargv(last_in_stab);
			if (!fp) { /* Note: fp != stab_io(last_in_stab)->ifp */
			    (void)do_close(last_in_stab,FALSE); /* now it does*/
			    stab_io(last_in_stab)->flags |= IOF_START;
			}
		    }
		    else if (argtype == A_GLOB) {
			(void) interp(str,stab_val(last_in_stab),sp);
			st = stack->ary_array;
			tmpstr = Str_new(55,0);
#ifdef CSH
			str_nset(tmpstr,cshname,cshlen);
			str_cat(tmpstr," -cf 'set nonomatch; glob ");
			str_scat(tmpstr,str);
			str_cat(tmpstr,"'|");
#else
			str_set(tmpstr, "echo ");
			str_scat(tmpstr,str);
			str_cat(tmpstr,
			  "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|");
#endif
			(void)do_open(last_in_stab,tmpstr->str_ptr);
			fp = stab_io(last_in_stab)->ifp;
			str_free(tmpstr);
		    }
		}
	    }
	    if (!fp && dowarn)
		warn("Read on closed filehandle <%s>",stab_name(last_in_stab));
	  keepgoing:
	    if (!fp)
		st[sp] = &str_undef;
	    else if (!str_gets(str,fp, optype == O_RCAT ? str->str_cur : 0)) {
		clearerr(fp);
		if (stab_io(last_in_stab)->flags & IOF_ARGV) {
		    fp = nextargv(last_in_stab);
		    if (fp)
			goto keepgoing;
		    (void)do_close(last_in_stab,FALSE);
		    stab_io(last_in_stab)->flags |= IOF_START;
		}
		else if (argflags & AF_POST) {
		    (void)do_close(last_in_stab,FALSE);
		}
		st[sp] = &str_undef;
		record_separator = old_record_separator;
		if (gimme == G_ARRAY) {
		    --sp;
		    goto array_return;
		}
		break;
	    }
	    else {
		stab_io(last_in_stab)->lines++;
		st[sp] = str;
#ifdef TAINT
		str->str_tainted = 1; /* Anything from the outside world...*/
#endif
		if (argflags & AF_POST) {
		    if (str->str_cur > 0)
			str->str_cur--;
		    if (str->str_ptr[str->str_cur] == record_separator)
			str->str_ptr[str->str_cur] = '\0';
		    else
			str->str_cur++;
		    for (tmps = str->str_ptr; *tmps; tmps++)
			if (!isalpha(*tmps) && !isdigit(*tmps) &&
			    index("$&*(){}[]'\";\\|?<>~`",*tmps))
				break;
		    if (*tmps && stat(str->str_ptr,&statbuf) < 0)
			goto keepgoing;		/* unmatched wildcard? */
		}
		if (gimme == G_ARRAY) {
		    st[sp] = str_static(st[sp]);
		    if (++sp > stack->ary_max) {
			astore(stack, sp, Nullstr);
			st = stack->ary_array;
		    }
		    goto keepgoing;
		}
	    }
	    record_separator = old_record_separator;
#ifdef DEBUGGING
	    tmps = "READ";
#endif
	    break;
	}
#ifdef DEBUGGING
	if (debug & 8)
	    deb("%d.%s = '%s'\n",anum,tmps,str_peek(st[sp]));
#endif
	if (anum < 8)
	    arglast[anum] = sp;
    }
Commit	Line	Data
a687059c	1	/* This file is included by eval.c. It's separate from eval.c to keep
	2	* kit sizes from getting too big.
	3	*/
	4
0d3e774c	5	/* $Header: evalargs.xc,v 3.0.1.3 89/11/17 15:25:07 lwall Locked $
a687059c	6	*
a687059c	7	* $Log: evalargs.xc,v $
0d3e774c	8	* Revision 3.0.1.3 89/11/17 15:25:07 lwall
	9	* patch5: constant numeric subscripts disappeared in ?:
	10	*
bf38876a	11	* Revision 3.0.1.2 89/11/11 04:33:05 lwall
	12	* patch2: Configure now locates csh
	13	*
03a14243	14	* Revision 3.0.1.1 89/10/26 23:12:55 lwall
	15	* patch1: glob didn't free a temporary string
	16	*
a687059c	17	* Revision 3.0 89/10/18 15:17:16 lwall
	18	* 3.0 baseline
	19	*
	20	*/
	21
	22	for (anum = 1; anum <= maxarg; anum++) {
	23	argflags = arg[anum].arg_flags;
	24	argtype = arg[anum].arg_type;
	25	argptr = arg[anum].arg_ptr;
	26	re_eval:
	27	switch (argtype) {
	28	default:
	29	st[++sp] = &str_undef;
	30	#ifdef DEBUGGING
	31	tmps = "NULL";
	32	#endif
	33	break;
	34	case A_EXPR:
	35	#ifdef DEBUGGING
	36	if (debug & 8) {
	37	tmps = "EXPR";
	38	deb("%d.EXPR =>\n",anum);
	39	}
	40	#endif
	41	sp = eval(argptr.arg_arg,
	42	(argflags & AF_ARYOK) ? G_ARRAY : G_SCALAR, sp);
	43	if (sp + (maxarg - anum) > stack->ary_max)
	44	astore(stack, sp + (maxarg - anum), Nullstr);
	45	st = stack->ary_array; /* possibly reallocated */
	46	break;
	47	case A_CMD:
	48	#ifdef DEBUGGING
	49	if (debug & 8) {
	50	tmps = "CMD";
	51	deb("%d.CMD (%lx) =>\n",anum,argptr.arg_cmd);
	52	}
	53	#endif
	54	sp = cmd_exec(argptr.arg_cmd, gimme, sp);
	55	if (sp + (maxarg - anum) > stack->ary_max)
	56	astore(stack, sp + (maxarg - anum), Nullstr);
	57	st = stack->ary_array; /* possibly reallocated */
	58	break;
	59	case A_LARYSTAB:
	60	++sp;
0d3e774c	61	switch (optype) {
	62	case O_ITEM2: argtype = 2; break;
	63	case O_ITEM3: argtype = 3; break;
	64	default: argtype = anum; break;
	65	}
a687059c	66	str = afetch(stab_array(argptr.arg_stab),
0d3e774c	67	arg[argtype].arg_len - arybase, TRUE);
a687059c	68	#ifdef DEBUGGING
	69	if (debug & 8) {
	70	(void)sprintf(buf,"LARYSTAB $%s[%d]",stab_name(argptr.arg_stab),
0d3e774c	71	arg[argtype].arg_len);
a687059c	72	tmps = buf;
	73	}
	74	#endif
	75	goto do_crement;
	76	case A_ARYSTAB:
0d3e774c	77	switch (optype) {
	78	case O_ITEM2: argtype = 2; break;
	79	case O_ITEM3: argtype = 3; break;
	80	default: argtype = anum; break;
	81	}
a687059c	82	st[++sp] = afetch(stab_array(argptr.arg_stab),
0d3e774c	83	arg[argtype].arg_len - arybase, FALSE);
a687059c	84	if (!st[sp])
	85	st[sp] = &str_undef;
	86	#ifdef DEBUGGING
	87	if (debug & 8) {
	88	(void)sprintf(buf,"ARYSTAB $%s[%d]",stab_name(argptr.arg_stab),
0d3e774c	89	arg[argtype].arg_len);
a687059c	90	tmps = buf;
	91	}
	92	#endif
	93	break;
	94	case A_STAR:
	95	st[++sp] = (STR*)argptr.arg_stab;
	96	#ifdef DEBUGGING
	97	if (debug & 8) {
	98	(void)sprintf(buf,"STAR *%s",stab_name(argptr.arg_stab));
	99	tmps = buf;
	100	}
	101	#endif
	102	break;
	103	case A_LSTAR:
	104	str = st[++sp] = (STR*)argptr.arg_stab;
	105	#ifdef DEBUGGING
	106	if (debug & 8) {
	107	(void)sprintf(buf,"LSTAR *%s",stab_name(argptr.arg_stab));
	108	tmps = buf;
	109	}
	110	#endif
	111	break;
	112	case A_STAB:
	113	st[++sp] = STAB_STR(argptr.arg_stab);
	114	#ifdef DEBUGGING
	115	if (debug & 8) {
	116	(void)sprintf(buf,"STAB $%s",stab_name(argptr.arg_stab));
	117	tmps = buf;
	118	}
	119	#endif
	120	break;
	121	case A_LEXPR:
	122	#ifdef DEBUGGING
	123	if (debug & 8) {
	124	tmps = "LEXPR";
	125	deb("%d.LEXPR =>\n",anum);
	126	}
	127	#endif
	128	if (argflags & AF_ARYOK) {
	129	sp = eval(argptr.arg_arg, G_ARRAY, sp);
	130	if (sp + (maxarg - anum) > stack->ary_max)
	131	astore(stack, sp + (maxarg - anum), Nullstr);
	132	st = stack->ary_array; /* possibly reallocated */
	133	}
	134	else {
	135	sp = eval(argptr.arg_arg, G_SCALAR, sp);
	136	st = stack->ary_array; /* possibly reallocated */
	137	str = st[sp];
	138	goto do_crement;
	139	}
	140	break;
	141	case A_LVAL:
	142	#ifdef DEBUGGING
	143	if (debug & 8) {
	144	(void)sprintf(buf,"LVAL $%s",stab_name(argptr.arg_stab));
	145	tmps = buf;
	146	}
	147	#endif
	148	++sp;
	149	str = STAB_STR(argptr.arg_stab);
	150	if (!str)
	151	fatal("panic: A_LVAL");
	152	do_crement:
	153	assigning = TRUE;
154	if (argflags & AF_PRE) {
155	if (argflags & AF_UP)
156	str_inc(str);
157	else
158	str_dec(str);
159	STABSET(str);
160	st[sp] = str;
161	str = arg->arg_ptr.arg_str;
162	}
163	else if (argflags & AF_POST) {
164	st[sp] = str_static(str);
165	if (argflags & AF_UP)
166	str_inc(str);
167	else
168	str_dec(str);
169	STABSET(str);
170	str = arg->arg_ptr.arg_str;
171	}
172	else
173	st[sp] = str;
174	break;
175	case A_LARYLEN:
176	++sp;
177	stab = argptr.arg_stab;
178	str = stab_array(argptr.arg_stab)->ary_magic;
179	if (argflags & (AF_PRE\|AF_POST))
180	str_numset(str,(double)(stab_array(stab)->ary_fill+arybase));
181	#ifdef DEBUGGING
182	tmps = "LARYLEN";
183	#endif
184	if (!str)
185	fatal("panic: A_LEXPR");
186	goto do_crement;
187	case A_ARYLEN:
188	stab = argptr.arg_stab;
189	st[++sp] = stab_array(stab)->ary_magic;
190	str_numset(st[sp],(double)(stab_array(stab)->ary_fill+arybase));
191	#ifdef DEBUGGING
192	tmps = "ARYLEN";
193	#endif
194	break;
195	case A_SINGLE:
196	st[++sp] = argptr.arg_str;
197	#ifdef DEBUGGING
198	tmps = "SINGLE";
199	#endif
200	break;
201	case A_DOUBLE:
202	(void) interp(str,argptr.arg_str,sp);
203	st = stack->ary_array;
204	st[++sp] = str;
205	#ifdef DEBUGGING
206	tmps = "DOUBLE";
207	#endif
208	break;
209	case A_BACKTICK:
210	tmps = str_get(interp(str,argptr.arg_str,sp));
211	st = stack->ary_array;
212	#ifdef TAINT
213	taintproper("Insecure dependency in ``");
214	#endif
215	fp = mypopen(tmps,"r");
216	str_set(str,"");
217	if (fp) {
218	while (str_gets(str,fp,str->str_cur) != Nullch)
219	;
220	statusvalue = mypclose(fp);
221	}
222	else
223	statusvalue = -1;
224
225	st[++sp] = str;
226	#ifdef DEBUGGING
227	tmps = "BACK";
228	#endif
229	break;
230	case A_WANTARRAY:
231	{
232	extern int wantarray;
233
234	if (wantarray == G_ARRAY)
235	st[++sp] = &str_yes;
236	else
237	st[++sp] = &str_no;
238	}
239	#ifdef DEBUGGING
240	tmps = "WANTARRAY";
241	#endif
242	break;
243	case A_INDREAD:
244	last_in_stab = stabent(str_get(STAB_STR(argptr.arg_stab)),TRUE);
245	old_record_separator = record_separator;
246	goto do_read;
247	case A_GLOB:
248	argflags \|= AF_POST; /* enable newline chopping */
249	last_in_stab = argptr.arg_stab;
250	old_record_separator = record_separator;
bf38876a	251	#ifdef CSH
	252	record_separator = 0;
	253	#else
	254	record_separator = '\n';
	255	#endif
a687059c	256	goto do_read;
	257	case A_READ:
	258	last_in_stab = argptr.arg_stab;
	259	old_record_separator = record_separator;
	260	do_read:
	261	if (anum > 1) /* assign to scalar */
	262	gimme = G_SCALAR; /* force context to scalar */
	263	++sp;
	264	fp = Nullfp;
	265	if (stab_io(last_in_stab)) {
	266	fp = stab_io(last_in_stab)->ifp;
	267	if (!fp) {
	268	if (stab_io(last_in_stab)->flags & IOF_ARGV) {
	269	if (stab_io(last_in_stab)->flags & IOF_START) {
	270	stab_io(last_in_stab)->flags &= ~IOF_START;
	271	stab_io(last_in_stab)->lines = 0;
	272	if (alen(stab_array(last_in_stab)) < 0) {
	273	tmpstr = str_make("-",1); /* assume stdin */
	274	(void)apush(stab_array(last_in_stab), tmpstr);
	275	}
	276	}
	277	fp = nextargv(last_in_stab);
bf38876a	278	if (!fp) { /* Note: fp != stab_io(last_in_stab)->ifp */
a687059c	279	(void)do_close(last_in_stab,FALSE); /* now it does*/
bf38876a	280	stab_io(last_in_stab)->flags \|= IOF_START;
bf38876a	281	}
a687059c	282	}
	283	else if (argtype == A_GLOB) {
	284	(void) interp(str,stab_val(last_in_stab),sp);
	285	st = stack->ary_array;
	286	tmpstr = Str_new(55,0);
bf38876a	287	#ifdef CSH
	288	str_nset(tmpstr,cshname,cshlen);
	289	str_cat(tmpstr," -cf 'set nonomatch; glob ");
	290	str_scat(tmpstr,str);
	291	str_cat(tmpstr,"'\|");
	292	#else
	293	str_set(tmpstr, "echo ");
	294	str_scat(tmpstr,str);
	295	str_cat(tmpstr,
	296	"\|tr -s ' \t\f\r' '\\012\\012\\012\\012'\|");
	297	#endif
a687059c	298	(void)do_open(last_in_stab,tmpstr->str_ptr);
a687059c	299	fp = stab_io(last_in_stab)->ifp;
03a14243	300	str_free(tmpstr);
a687059c	301	}
	302	}
	303	}
	304	if (!fp && dowarn)
	305	warn("Read on closed filehandle <%s>",stab_name(last_in_stab));
	306	keepgoing:
	307	if (!fp)
	308	st[sp] = &str_undef;
	309	else if (!str_gets(str,fp, optype == O_RCAT ? str->str_cur : 0)) {
	310	clearerr(fp);
	311	if (stab_io(last_in_stab)->flags & IOF_ARGV) {
	312	fp = nextargv(last_in_stab);
	313	if (fp)
	314	goto keepgoing;
	315	(void)do_close(last_in_stab,FALSE);
	316	stab_io(last_in_stab)->flags \|= IOF_START;
	317	}
	318	else if (argflags & AF_POST) {
	319	(void)do_close(last_in_stab,FALSE);
	320	}
	321	st[sp] = &str_undef;
	322	record_separator = old_record_separator;
	323	if (gimme == G_ARRAY) {
	324	--sp;
	325	goto array_return;
	326	}
	327	break;
	328	}
	329	else {
	330	stab_io(last_in_stab)->lines++;
	331	st[sp] = str;
	332	#ifdef TAINT
	333	str->str_tainted = 1; /* Anything from the outside world...*/
	334	#endif
	335	if (argflags & AF_POST) {
	336	if (str->str_cur > 0)
	337	str->str_cur--;
	338	if (str->str_ptr[str->str_cur] == record_separator)
	339	str->str_ptr[str->str_cur] = '\0';
	340	else
	341	str->str_cur++;
	342	for (tmps = str->str_ptr; *tmps; tmps++)
	343	if (!isalpha(tmps) && !isdigit(tmps) &&
	344	index("$&(){}[]'\";\\\|?<>~`",tmps))
	345	break;
	346	if (*tmps && stat(str->str_ptr,&statbuf) < 0)
	347	goto keepgoing; /* unmatched wildcard? */
	348	}
	349	if (gimme == G_ARRAY) {
	350	st[sp] = str_static(st[sp]);
	351	if (++sp > stack->ary_max) {
	352	astore(stack, sp, Nullstr);
	353	st = stack->ary_array;
	354	}
	355	goto keepgoing;
	356	}
	357	}
	358	record_separator = old_record_separator;
	359	#ifdef DEBUGGING
	360	tmps = "READ";
	361	#endif
	362	break;
	363	}
	364	#ifdef DEBUGGING
365	if (debug & 8)
366	deb("%d.%s = '%s'\n",anum,tmps,str_peek(st[sp]));
367	#endif
368	if (anum < 8)
369	arglast[anum] = sp;
370	}