Release calc version 2.11.0t9.1.1

BUGS

@@ -68,178 +68,6 @@ importantly, fixes (in the form of a context diff patch) to:
 
 Known bugs:
 
-    * When compiled on some Big Endian machines with BASEB forced to
-      be 16 (by setting LONGLONG_BITS= 0 in the Makefile), calc fails
-      a number of regression tests:
-
-	4230: n = ftell(f)
-	4231: isnull(fputs(f,L,"\n",C,"\n",N,"\n"))
-	4232: fseek(f, n)
-	**** Non-true result (0): 4233: fgetstr(f) == LCN
-	4234: isnull(fclose(f))
-	4235: a = exp(27, 1e-1000)
-	4236: b = sqrt(7 + 5i, 1e-2000)
-	4252: fscanf(f, "%*[^|]%*c%n%*[^[]%*c%n", m, n) == 2
-	4253: fseek(f, m)
-	4254: fscanf(f, "%3c", x) == 1
-	**** Non-true result (0): 4255: x == "  Cu"
-	4256: fseek(f, n)
-	4257: fscanf(f, "%s", y) == 1
-	**** Non-true result (0): 4258: y == "Noll"
-	4259: isnull(fclose(f))
-	4260: x = rm("junk4200")
-	4261: Ending test_fileops
-	4600: Beginning test_fileop
-	4601: ttest(0,0): passed
-	4602: stest(): failed
-	**** search(f, "and") != 10 failed
-	4603: ttest(1,1): failed
-	**** Failure 2 for i = 0
-	4604: stest(): failed
-	**** search(f, "and") != 10 failed
-	4605: ttest(2,2): failed
-	**** Failure 2 for i = 0
-	4606: stest(): failed
-	**** search(f, "and") != 10 failed
-	4607: ttest(3,3): failed
-	**** Failure 2 for i = 0
-	4608: stest(): failed
-	**** search(f, "and") != 10 failed
-	4609: ttest(4,4): failed
-	**** Failure 2 for i = 0
-	4610: stest(): failed
-	**** search(f, "and") != 10 failed
-	4611: ttest(5,5): failed
-	**** Failure 2 for i = 0
-	4612: stest(): failed
-	**** search(f, "and") != 10 failed
-	4613: ttest(6,6): failed
-	**** Failure 2 for i = 0
-	4614: stest(): failed
-	**** search(f, "and") != 10 failed
-	4615: ttest(7,7): failed
-	**** Failure 2 for i = 0
-	4616: stest(): failed
-	**** search(f, "and") != 10 failed
-	4617: ttest(8,8): failed
-	**** Failure 2 for i = 0
-	4618: stest(): failed
-	**** search(f, "and") != 10 failed
-	4619: ttest(9,9): failed
-	**** Failure 1 for file size
-	4620: stest(): failed
-	**** fopen("junk4600", "w") failed
-	4621: Ending test_fileop
-
-	4700: Beginning test_charset
-	**** errcount:172  > ecnt:150
-	4701: "\a" == char(7)
-	4702: "\v" == char(11)
-	4703: "\e" == char(27)
-	5000: Beginning test_filesearch
-	5001: x = rm("-f", "junk5000")
-	5002: f = fopen("junk5000", "w")
-	**** Unable to open "junk5000" for writing
-
-	5100: Beginning test_newdecl
-	5101: test5100(1)
-	**** errcount:173  > ecnt:172
-	5102: a5100 == 0
-	5103: b5100 == 2
-	5104: test5100(1)
-	5927: test unused
-	5928: test unused
-	5929: test unused
-	**** errcount:180  > ecnt:177
-	5930: isassoc(loc) == 0
-	5931: isassoc(a) == 1
-	5932: isassoc(ofd) == 0
-	6079: test unused
-	6080: iserror(loc) == 0
-	6081: iserror(a) == 0
-	**** Non-true result (0): 6082: iserror(ofd) == 0
-	**** Non-true result (0): 6083: iserror(cfd) == 0
-	6084: iserror(blk) == 0
-	6085: iserror(nblk) == 0
-	6086: iserror(cfg) == 0
-	6139: test unused
-	6140: isfile(loc) == 0
-	6141: isfile(a) == 0
-	**** Non-true result (0): 6142: isfile(ofd) == 1
-	**** Non-true result (0): 6143: isfile(cfd) == 1
-	6144: isfile(blk) == 0
-	6145: isfile(nblk) == 0
-	6146: isfile(cfg) == 0
-
-	6700: Beginning test_blk
-	6701: A = blk(20);
-	**** errcount:181  > ecnt:180
-	6702: size(A) == 20
-	6703: sizeof(A) == 256
-	6704: B = A;
-	6822: C == A
-	6823: fs = fopen("junk6800", "w+");
-	6824: blkcpy(fs, A);
-	**** errcount:183  > ecnt:181
-	**** Non-true result (0): 6825: size(f) == 5
-	6826: blkcpy(B = blk(), fs);
-	**** errcount:184  > ecnt:183
-	**** Non-true result (0): 6827: B == A
-	6828: blkcpy(fs, A, ,100);
-	**** errcount:185  > ecnt:184
-	**** Non-true result (0): 6829: size(f) == 105
-	6830: blkcpy(C = blk(), fs, 2, ,100)
-	**** errcount:186  > ecnt:185
-	**** Non-true result (0): 6831: C == (blk() = {1,2}
-	6832: A = blk();
-	6833: blkcpy(A, "blk6800");
-	6834: size(A) == 9
-	6900: Beginning test_name
-	6901: x = rm("-f", "junk6900")
-	6902: f = fopen("junk6900", "w")
-	**** errcount:189  > ecnt:186
-	**** Non-true result (0): 6903: name(f) == "junk6900"
-	6904: fclose(f)
-	**** errcount:190  > ecnt:189
-	6905: name(f) == null()
-	6906: A = blk("blk6900")
-	6907: name(A) == "blk6900"
-	7002: B = blk();
-	7003: copy("abc yz", A);
-	7004: copy("defg", B);
-	**** errcount:191  > ecnt:190
-	7005: strprintf("%s", A) == "abc yz"
-	7006: strprintf("%s", A[2]) == "c yz"
-	7007: strprintf("%s", A[7]) == ""
-
-	9995: freeredc()
-	9996: freestatics()
-	**** 24 error(s) found  \/++\/
-
-    We are sure some more bugs exist.  When you find them, please let
-    us know!  See the above for details on how to report and were to
-    EMail your bug reports and hopefully patches to fix them.
-
-=-=
-
-Calc Mis-features:
-
-    * The following shell command (written in sh,ksh,bash-like form) works:
-
-	    calc '/*
-		   * comment
-		   */
-		  print 2+3;'
-
-      However this (also written in sh,ksh,bash-like form) does not work:
-
-	    echo '/*
-		   * comment
-		   */
-		  print 2+3;' | calc
-
-      The 2nd example will result in an 'Unterminated comment' error.
-
     * Calc does not support the #! exec method.  For example of the
       following is placed in an executable file (assume the path to
       calc is correct) called /tmp/xyzzy:
@@ -253,3 +81,42 @@ Calc Mis-features:
       Will result in '"tmp" is undefined' and '"xyzzy" is undefined'
       error messages because calc considers $0 as an expression to
       evaluate.
+
+    * The following file:
+
+	    /* this is bugdemo.cal */
+	    x = eval(prompt(">>> "));
+	    print x;
+
+      when executed as:
+
+	    calc read bugdemo.cal
+
+      will obtain a prompt from the terminal, print the value but leave
+      the terminal in a 'bad' state, as if stty -icanon -echo -echoe
+      had been executed.
+
+    * Dec Alpha Linux compiling with gcc-2.95.1 and -O2 fails the
+      regression test with:
+
+	make -s check
+	000: Beginning regression tests
+	001: Some of these tests may take a while ...
+	002: Within each section, output should be numbered sequentially
+	003: parsed global definitions
+	004: parsed vrfy()
+	005: parsed prob(str)
+	006: parsed getglobalvar()
+	007: parsed test_booleans()
+	008: parsed test_variables()
+	make: *** [check] Segmentation fault (core dumped)
+
+      Other programs have reported problems when compiling -O2 with
+      gcc-2.95.1 on the Alpha and Mips.
+
+      One work-a-round is to not compile with -O2 (perhaps just -O).
+      Another work-a-round is not use gcc-2.95.1.
+
+    We are sure some more bugs exist.  When you find them, please let
+    us know!  See the above for details on how to report and were to
+    EMail your bug reports and hopefully patches to fix them.

CHANGES

@@ -1,4 +1,71 @@
-Following is the change from calc version 2.11.0t8 to date:
+Following is the change from calc version 2.11.0t8.9.1 to date:
+
+    The config("verbose_quit") will control the printing of the message:
+
+	Quit or abort executed
+
+    when a non-interactive ABORT, QUIT or EXIT is encounted.  By default,
+    config("verbose_quit") is TRUE and the message is printed.  If one does:
+
+	config("verbose_quit", 0)
+
+    the message is disabled.
+
+    Added 8400 regression test set and test8400.cal to test the new
+    quit and config("verbose_quit") functionality.
+
+    Fixed the BigEndian BASEB==16 regression bugs by correctly swapping
+    16 bit HALFs in a 64 bit value (such as a 64 bit file pointer).
+
+    Added calclevel() builtin to calculation level at which it is called.
+
+    Added help/calclevel and help/inputlevel help files.
+
+    Removed regression tests 951 and 5984 so that the regress test will
+    run in non-interactively / without a TTY such as under Debian's
+    build daemon.
+
+    The eval(str) builtin will return an error-value rather than cause
+    an execution error str has a scan-error.
+
+    Declaration are permitted to end with EOF as well as a newline or ';'.
+
+    When prompt() occurs in reading a file, it will take inout from
+    the terminal rather than taking it from a file.  For example,
+    this script, when read, now works:
+
+	/* This demonstrates the use of prompt() and some other things  */
+	config("verbose_quit", 0);
+	define getnumber() {
+	    local x;
+	    for (;;) {
+		x = eval(prompt(">>> "));
+		if (isnum(x))
+		    return x;
+		print "Not a number! Try again";
+	    }
+	}
+	print "This will display the sqrt of each number you enter";
+	print "Enter quit to stop";
+	for (;;) {
+	    print sqrt(getnumber());
+	}
+	print "Good bye";
+
+    Comments entered at inputisterminal level may be spread over several
+    lines.  For example:
+
+	/*
+	 * These commands work given the file: comment.cal
+	 *
+	 *	cat comment.cal | calc
+	 *	calc < comment.cal
+	 */
+	print "Hello";
+
+
+
+Following is the change from calc version 2.11.0t8 to 2.11.0t8.9:
 
     Moved 'wishlist' enhancements from the help/todo file to a new
     help/wishlist file.  Ordered, by priority, help/todo items into

calc.h

@@ -123,6 +123,7 @@ extern void resetinput(void);
 extern void setprompt(char *);
 extern BOOL inputisterminal(void);
 extern int inputlevel(void);
+extern long calclevel(void);
 extern char *inputname(void);
 extern long linenumber(void);
 extern void runrcfiles(void);

codegen.c

@@ -409,6 +409,7 @@ getdeclarations(int symtype)
 			case T_NEWLINE:
 			case T_SEMICOLON:
 			case T_RIGHTBRACE:
+			case T_EOF:
 				rescantoken();
 				return;
 

config.c

@@ -55,6 +55,7 @@ NAMETYPE configs[] = {
 	{"lib_debug",	CONFIG_LIB_DEBUG},
 	{"calc_debug",	CONFIG_CALC_DEBUG},
 	{"user_debug",	CONFIG_USER_DEBUG},
+	{"verbose_quit",CONFIG_VERBOSE_QUIT},
 	{NULL,		0}
 };
 
@@ -95,7 +96,8 @@ CONFIG oldstd = {	/* backward compatible standard configuration */
 	BLK_FMT_HD_STYLE,	/* block output format */
 	3,			/* calc library debug level */
 	0,			/* internal calc debug level */
-	0 			/* user defined debug level */
+	0, 			/* user defined debug level */
+	TRUE			/* print Quit or abort executed messages */
 };
 CONFIG newstd = {	/* new non-backward compatible configuration */
 	MODE_INITIAL,		/* current output mode */
@@ -130,7 +132,8 @@ CONFIG newstd = {	/* new non-backward compatible configuration */
 	BLK_FMT_HD_STYLE,	/* block output format */
 	3,			/* calc library debug level */
 	0,			/* internal calc debug level */
-	0 			/* user defined debug level */
+	0, 			/* user defined debug level */
+	TRUE			/* print Quit or abort executed messages */
 };
 CONFIG *conf = NULL;	/* loaded in at startup - current configuration */
 
@@ -848,6 +851,21 @@ setconfig(int type, VALUE *vp)
 		conf->user_debug = temp;
 		break;
 
+	case CONFIG_VERBOSE_QUIT:
+		if (vp->v_type == V_NUM) {
+			q = vp->v_num;
+			conf->verbose_quit = !qiszero(q);
+		} else if (vp->v_type == V_STR) {
+			temp = truthtype(vp->v_str->s_str);
+			if (temp < 0) {
+				math_error("Illegal truth value"
+					   "for verbose_quit");
+				/*NOTREACHED*/
+			}
+			conf->verbose_quit = (int)temp;
+		}
+		break;
+
 	default:
 		math_error("Setting illegal config parameter");
 		/*NOTREACHED*/
@@ -1119,6 +1137,10 @@ config_value(CONFIG *cfg, int type, VALUE *vp)
 		i = cfg->user_debug;
 		break;
 
+	case CONFIG_VERBOSE_QUIT:
+		i = cfg->verbose_quit;
+		break;
+
 	default:
 		math_error("Getting illegal CONFIG element");
 		/*NOTREACHED*/
@@ -1194,5 +1216,6 @@ config_cmp(CONFIG *cfg1, CONFIG *cfg2)
 	       cfg1->blkfmt != cfg2->blkfmt ||
 	       cfg1->lib_debug != cfg2->lib_debug ||
 	       cfg1->calc_debug != cfg2->calc_debug ||
-	       cfg1->user_debug != cfg2->user_debug;
+	       cfg1->user_debug != cfg2->user_debug ||
+	       cfg1->verbose_quit != cfg2->verbose_quit;
 }

config.h

@@ -80,6 +80,7 @@
 #define CONFIG_LIB_DEBUG 30
 #define CONFIG_CALC_DEBUG 31
 #define CONFIG_USER_DEBUG 32
+#define CONFIG_VERBOSE_QUIT 33
 
 
 /*
@@ -114,8 +115,8 @@ struct config {
 	LEN sq2;		/* size of number to use square algorithm 2 */
 	LEN pow2;		/* size of modulus to use REDC for powers */
 	LEN redc2;		/* size of modulus to use REDC algorithm 2 */
-	int tilde_ok;		/* ok to print a tilde on aproximations */
-	int tab_ok;		/* ok to print tab before numeric values */
+	BOOL tilde_ok;		/* ok to print a tilde on aproximations */
+	BOOL tab_ok;		/* ok to print tab before numeric values */
 	long quomod;		/* quomod() default rounding mode */
 	long quo;		/* quotent // default rounding mode */
 	long mod;		/* mod % default rounding mode */
@@ -125,18 +126,19 @@ struct config {
 	long cfsim;		/* cfsim() default rounding mode */
 	long outround;		/* output default rounding mode */
 	long round;		/* round()/bround() default rounding mode */
-	int leadzero;		/* ok to print leading 0 before decimal pt */
-	int fullzero;		/* ok to print trailing 0's */
+	BOOL leadzero;		/* ok to print leading 0 before decimal pt */
+	BOOL fullzero;		/* ok to print trailing 0's */
 	long maxscancount;	/* max scan errors before abort */
 	char *prompt1;		/* normal prompt */
 	char *prompt2;		/* prompt when inside multi-line input */
 	int blkmaxprint;	/* octets of a block to print, 0 => all */
-	int blkverbose;		/* TRUE => print all lines if a block */
+	BOOL blkverbose;	/* TRUE => print all lines if a block */
 	int blkbase;		/* block output base */
 	int blkfmt;		/* block output style */
 	int lib_debug;		/* library debug, see LIB_DEBUG_XXX below */
 	int calc_debug;		/* internal debug, see CALC_DEBUG_XXX below */
 	int user_debug;		/* user defined debug value: 0 default */
+	BOOL verbose_quit;	/* TRUE => print Quit or abort executed msg */
 };
 typedef	struct config CONFIG;
 

func.c

@@ -155,6 +155,7 @@ f_eval(VALUE *vp)
 	VALUE	result;
 	char	*str;
 	long	num;
+	int	temp;
 
 	if (vp->v_type != V_STR)
 		return error_value(E_EVAL2);
@@ -168,7 +169,10 @@ f_eval(VALUE *vp)
 	}
 	oldfunc = curfunc;
 	enterfilescope();
+	temp = stoponerror;
+	stoponerror = -1;
 	if (evaluate(TRUE)) {
+		stoponerror = temp;
 		closeinput();
 		exitfilescope();
 		freevalue(stack--);
@@ -181,6 +185,7 @@ f_eval(VALUE *vp)
 			free(newfunc);
 		return result;
 	}
+	stoponerror = temp;
 	closeinput();
 	exitfilescope();
 	newfunc = curfunc;
@@ -203,11 +208,11 @@ f_prompt(VALUE *vp)
 	unsigned int len;
 
 	result.v_type = V_STR;
-	if (inputisterminal()) {
-		printvalue(vp, PRINT_SHORT);
-		math_flush();
-	}
+	openterminal();
+	printvalue(vp, PRINT_SHORT);
+	math_flush();
 	cp = nextline();
+	closeinput();
 	if (cp == NULL) {
 		math_error("End of file while prompting");
 		/*NOTREACHED*/
@@ -5893,6 +5898,17 @@ f_inputlevel (void)
 }
 
 
+static VALUE
+f_calclevel (void)
+{
+	VALUE result;
+
+	result.v_type = V_NUM;
+	result.v_num = itoq(calclevel());
+	return result;
+}
+
+
 static VALUE
 f_access(int count, VALUE **vals)
 {
@@ -6818,6 +6834,8 @@ static CONST struct builtin builtins[] = {
 	 "round value a to b number of binary places"},
 	{"btrunc", 1, 2, 0, OP_NOP, f_btrunc, 0,
 	 "truncate a to b number of binary places"},
+	{"calclevel", 0, 0, 0, OP_NOP, 0, f_calclevel,
+	 "current calculation level"},
 	{"ceil", 1, 1, 0, OP_NOP, 0, f_ceil,
 	 "smallest integer greater than or equal to number"},
 	{"cfappr", 1, 3, 0, OP_NOP, f_cfappr, 0,

help/Makefile

@@ -105,29 +105,30 @@ BLT_HELP_FILES= ${BLT_HELP_FILES_3} ${BLT_HELP_FILES_5} \
 # This list is prodiced by the detaillist rule when no WARNINGS are detected.
 #
 DETAIL_HELP= abs access acos acosh acot acoth acsc acsch address agd append \
-	appr arg arrow asec asech asin asinh assign atan atan2 atanh avg base \
-	bit blk blkcpy blkfree blocks bround btrunc ceil cfappr cfsim char \
-	cmdbuf cmp comb conj cos cosh cot coth count cp csc csch ctime delete \
-	den dereference det digit digits dp epsilon errcount errmax errno \
-	error eval exp fact factor fclose fcnt feof ferror fflush fgetc \
-	fgetfield fgetline fgets fgetstr fib files floor fopen forall fprintf \
-	fputc fputs fputstr frac free freeglobals freeredc freestatics frem \
-	freopen fscan fscanf fseek fsize ftell gcd gcdrem gd getenv hash head \
-	highbit hmean hnrmod hypot ilog ilog10 ilog2 im insert int inverse \
-	iroot isassoc isatty isblk isconfig isdefined iserror iseven isfile \
-	ishash isident isint islist ismat ismult isnull isnum isobj isobjtype \
-	isodd isprime isptr isqrt isrand israndom isreal isrel issimple issq \
-	isstr istype jacobi join lcm lcmfact lfactor ln lowbit ltol makelist \
-	matdim matfill matmax matmin matsum mattrace mattrans max md5 memsize \
-	meq min minv mmin mne mod modify name near newerror nextcand \
-	nextprime norm null num oldvalue ord param perm pfact pi pix places \
-	pmod polar poly pop popcnt power prevcand prevprime printf prompt \
-	protect ptest push putenv quo quomod rand randbit random randombit \
-	randperm rcin rcmul rcout rcpow rcsq re remove reverse rewind rm root \
-	round rsearch runtime saveval scale scan scanf search sec sech seed \
-	segment select sgn sha sha1 sin sinh size sizeof sort sqrt srand \
-	srandom ssq str strcat strerror strlen strpos strprintf strscan \
-	strscanf substr sum swap system tail tan tanh test time trunc xor
+	appr arg arrow asec asech asin asinh assign atan atan2 atanh avg \
+	base bit blk blkcpy blkfree blocks bround btrunc calclevel ceil \
+	cfappr cfsim char cmdbuf cmp comb conj cos cosh cot coth count cp \
+	csc csch ctime delete den dereference det digit digits dp epsilon \
+	errcount errmax errno error eval exp fact factor fclose fcnt feof \
+	ferror fflush fgetc fgetfield fgetline fgets fgetstr fib files \
+	floor fopen forall fprintf fputc fputs fputstr frac free freeglobals \
+	freeredc freestatics frem freopen fscan fscanf fseek fsize ftell gcd \
+	gcdrem gd getenv hash head highbit hmean hnrmod hypot ilog ilog10 \
+	ilog2 im inputlevel insert int inverse iroot isassoc isatty isblk \
+	isconfig isdefined iserror iseven isfile ishash isident isint islist \
+	ismat ismult isnull isnum isobj isobjtype isodd isprime isptr isqrt \
+	isrand israndom isreal isrel issimple issq isstr istype jacobi join \
+	lcm lcmfact lfactor ln lowbit ltol makelist matdim matfill matmax \
+	matmin matsum mattrace mattrans max md5 memsize meq min minv mmin \
+	mne mod modify name near newerror nextcand nextprime norm null \
+	num oldvalue ord param perm pfact pi pix places pmod polar poly \
+	pop popcnt power prevcand prevprime printf prompt protect ptest \
+	push putenv quo quomod rand randbit random randombit randperm rcin \
+	rcmul rcout rcpow rcsq re remove reverse rewind rm root round rsearch \
+	runtime saveval scale scan scanf search sec sech seed segment select \
+	sgn sha sha1 sin sinh size sizeof sort sqrt srand srandom ssq str \
+	strcat strerror strlen strpos strprintf strscan strscanf substr \
+	sum swap system tail tan tanh test time trunc xor
 
 # This list is of files that are clones of DETAIL_HELP files.  They are
 # built from DETAIL_HELP files.
@@ -416,8 +417,8 @@ bsdi: all
 detaillist:
 	${Q}-(echo "xxxxx"; \
 	   for i in ${DETAIL_HELP}; do \
-		if [ ! -f SCCS/s.$$i ]; then \
-		    echo "WARNING: $$i not under SCCS control" 1>&2; \
+		if [ ! -f RCS/$$i,v ]; then \
+		    echo "WARNING: $$i not under RCS control" 1>&2; \
 		else \
 		    echo $$i; \
 		fi; \

help/calclevel

@@ -0,0 +1,35 @@
+NAME
+    calclevel - current calculation level
+
+SYNOPSIS
+    calclevel()   
+
+TYPES
+    return	nonnegative integer
+
+DESCRIPTION
+    This function returns the calculation level at which it is called.
+    When a command is being read from a terminal or from a file,
+    calc is at calculation level zero.  The level is increased
+    by 1 each time calculation starts of a user-defined function 
+    or of eval(S) for some expression S which evaluates to a string.  It
+    decreases to zero if an error occurs or a quit or abort statement
+    is executed.  Otherwise, it decreases by 1 when the calculation
+    is completed.  Except when an error occurs or abort is executed,
+    the input level is not affected by changes in the calculation level.
+
+    Zero calculation level is also called top calculation level; greater
+    values of calclevel() indicate calculation is occurring at greater
+    depths.
+
+EXAMPLE
+    n/a
+
+LIMITS
+    none
+
+LIBRARY
+    none
+
+SEE ALSO
+    eval, read, quit, abort, inputlevel

help/config

@@ -43,6 +43,7 @@ Configuration parameters
 	    "lib_debug"		controls library script debug information
 	    "calc_debug"	controls internal calc debug information
 	    "user_debug"	for user defined debug information
+	    "verbose_quit"	TRUE=>print message on empty quit or abort
 
 
     The "all" config value allows one to save/restore the configuration
@@ -375,6 +376,14 @@ Configuration parameters
     slower operation or more memory usage, and a particular value (like
     -1 or 0) corresponding to "no tests".
 
+    The "verbose_quit" controls the print of the message:
+
+	Quit or abort executed
+
+    when a non-interactive quit or abort without an argument is encounted.
+    A quit of abort without an argument does not display a message when
+    invoked at the interactive level.
+
     The following are synonyms for true:
 
 	"on"   "yes"   "y"   "true"   "t"   "1"   any non-zero number

help/inputlevel

@@ -0,0 +1,36 @@
+NAME
+    inputlevel - current input level
+
+SYNOPSIS
+    inputlevel()   
+
+TYPES
+    return	nonnegative integer
+
+DESCRIPTION
+    This function returns the input level at which it is called.
+    When calc starts, it is at level zero.  The level is increased
+    by 1 each time execution starts of a read file command or a call to
+    eval(S) for some expression S which evaluates to a string.  It
+    decreases by 1 when a file being read reaches EOF or a string
+    being eval-ed reaches '\0', or earlier if a quit statement is
+    encountered at top calculation-level in the flle or string.  It
+    decreases to zero if an abort statement is encountered at any
+    function-level in the file or string.  If a quit or abort
+    statement is encountered at top calculation-level at top input-level,
+    calc is exited. 
+
+    Zero input level is also called top input level; greater values
+    of inputlevel() indicate reading at greater depths. 
+
+EXAMPLE
+    n/a
+
+LIMITS
+    none
+
+LIBRARY
+    none
+
+SEE ALSO
+    read, eval, quit, abort, calclevel

help/todo

@@ -13,8 +13,6 @@ Calc Todo Items:
 
 Very High priority items:
 
-    * Write the help file for the inputlevel() builtin function.
-
     * Write the help file for the display() builtin function.
 
     * Write the help file for the stoponerror() builtin function.

lib/Makefile

@@ -44,7 +44,7 @@ CALC_FILES= README bigprime.cal deg.cal ellip.cal lucas.cal lucas_chk.cal \
 	test2700.cal test3100.cal test3300.cal test3400.cal prompt.cal \
 	test3500.cal seedrandom.cal test4000.cal test4100.cal test4600.cal \
 	beer.cal hello.cal test5100.cal test5200.cal randombitrun.cal \
-	randomrun.cal xx_print.cal natnumset.cal qtime.cal
+	randomrun.cal xx_print.cal natnumset.cal qtime.cal test8400.cal
 
 # These files are found (but not built) in the distribution
 #

lib/regress.cal

@@ -30,6 +30,7 @@ ecnt = 0;				/* clear expected errcount() value */
 initcfg = config("all", "oldstd");	/* set config to startup default */
 initcfg = config("lib_debug", 0);	/* disable lib startup messages */
 initcfg = config("calc_debug", 0);	/* disable internal debugging */
+initcnf = config("verbose_quit", 0);	/* disable quit messages */
 initcfg = config("all");		/* save state for later use */
 
 print '003: parsed global definitions';
@@ -964,7 +965,7 @@ define test_functions()
 	vrfy(strpos(a, a) == 1,		'948: strpos(a, a) == 1');
 	vrfy(system("") == 0,		'949: system("") == 0');
 	vrfy(system("true") == 0,	'950: system("true") == 0');
-	vrfy(isatty(files(0)) == 1,	'951: isatty(files(0)) == 1');
+	print		'951: test disabled due to stdin dependency';
 	print				'952: test removed';
 	print				'953: test removed';
 	vrfy(isstr(cmdbuf()) == 1,	'954: isstr(cmdbuf()) == 1');
@@ -5106,7 +5107,7 @@ define test_is()
 	vrfy(isatty(square) == 0,	  '5981: isatty(square) == 0');
 	vrfy(isatty(string) == 0,	  '5982: isatty(string) == 0');
 	vrfy(isatty(com) == 0,		  '5983: isatty(com) == 0');
-	vrfy(isatty(files(0)) == 1,	  '5984: isatty(files(0)) == 1');
+	print		'5984: test disabled due to stdin dependency';
 	/* if we pipe to awk (for make chk), stdout and stderr are not ttys */
 	print				  '5985: test unused';
 	print				  '5986: test unused';
@@ -7120,9 +7121,11 @@ print '188: parsed test_natnumset()';
 /*
  * test_somenew - test some new features
  */
+define func8200(x,y) {if (x>0) return calclevel()+func8200(x-1,y)-y; return 0;}
+print '189: define func8200(x,y)';
 define test_somenew()
 {
-	local a, s;
+	local a, s, y;
 
 	print	'8200: Starting test_somenew';
 
@@ -7154,9 +7157,36 @@ define test_somenew()
 	vrfy(hash("curds n whey") == 2376141927,
 			'8219: hash("curds n whey") == 2376141927');
 
-	print '8220: Ending test_somenew';
+	y = calclevel();
+	print				'8220: y = calclevel()';
+	vrfy(func8200(0,y) == 0,	'8221: func8200(0,y) == 0');
+	vrfy(func8200(1,y) == 1,	'8222: func8200(1,y) == 1');
+	vrfy(func8200(10,y) == 55,	'8223: func8200(10,y) == 55');
+	vrfy(func8200(100,y) == 5050,	'8224: func8200(100,y) == 5050');
+
+	vrfy(inputlevel() == 1,		'8225: inputlevel() == 1');
+
+	print '8226: Ending test_somenew';
 }
-print '189: parsed test_somenew()';
+print '190: parsed test_somenew()';
+
+
+/*
+ * test_quit - test the QUIT functionality
+ */
+define test_quit()
+{
+	local x8400 = 23209;	/* watch for lost memory */
+	static s8400 = 21701;	/* watch for lost memory */
+
+	print '8400: Starting test_quit';
+
+	quit;
+	prob('quit did not end the test_quit() function');
+
+	/* 8400 serise continued after return, do not print end here */
+}
+print '191: parsed test_quit()';
 
 
 /*
@@ -7442,6 +7472,17 @@ vrfy(l8300(10) == 15,		'8309: l8300(10) == 15');
 print	'8310: Ending define tests';
 
 
+/*
+ * quit tests
+ */
+print;
+return test_quit();
+read -once test8400;
+print	'8404: read -once test8400';
+vrfy(test8400() == 64434,	'8405: test8400() == 64434');
+print	'8406: Ending test_quit';
+
+
 /*
  * read various calc libs
  *
@@ -7455,7 +7496,7 @@ print	'8310: Ending define tests';
  *	lucas_tbl.cal	- duplicatres code already read by another file
  *	regress.cal	- this file
  *	surd.cal	- already read by this file
- *	testXXXX.cal	- already read by this file
+ *	test9999.cal	- files of this form are already read by this file
  *	xx_print.cal	- prints a bunch of things when loaded
  *
  * We want to do this 2nd to last; ahead of any final cleanup and behind

lib/test8400.cal

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 1999 Landon Curt Noll
+ * Permission is granted to use, distribute, or modify this source,
+ * provided that this copyright notice remains intact.
+ *
+ * By:  Landon Curt Noll
+ *      http://reality.sgi.com/chongo
+ *
+ *      chongo <was here> /\../\
+ *
+ * This library is used by the 8400 series of the regress.cal test suite.
+ */
+
+print "8401: in test8400.cal";
+
+/*
+ * test8400 - dummy function to allow a check of quit-based memory leaks
+ */
+define test8400()
+{
+    local x8401 = 19937;    /* watch for lost memory */
+    static s8401 = 44497;   /* watch for lost memory */
+
+    return x8401+s8401;
+}
+print "8402: parsed test8400()";
+vrfy(test8400() == 64434,	    '8403: test8400() == 64434');
+
+quit;
+prob('quit did not end test8400.cal');

opcodes.c

@@ -33,6 +33,7 @@ static BOOL saveval = TRUE;		/* to enable or disable saving */
 static int calc_errno;			/* most recent error-number */
 static int errcount;			/* counts calls to error_value */
 static BOOL go;
+static long calc_depth;
 
 /*
  * global symbols
@@ -106,6 +107,9 @@ initstack(void)
 			freevalue(stack--);
 		}
 	}
+	/* initialize calc_depth */
+
+	calc_depth = 0;
 }
 
 
@@ -3124,8 +3128,7 @@ o_quit(FUNC *fp, long index)
 		s = findstring(index);
 		cp = s->s_str;
 	}
-	if (inputisterminal() && (fp->f_name[0] == '*')
-			 && (fp->f_name[1] == '\0')) {
+	if (inputisterminal() && !strcmp(fp->f_name, "*")) {
 		if (cp)
 			printf("%s\n", cp);
 		hist_term();
@@ -3138,9 +3141,9 @@ o_quit(FUNC *fp, long index)
 	}
 	if (cp)
 		printf("%s\n", cp);
-	else
+	else if (conf->verbose_quit)
 		printf("Quit or abort executed\n");
-	if (!inputisterminal() && fp->f_name[0] == '*')
+	if (!inputisterminal() && !strcmp(fp->f_name, "*"))
 		closeinput();
 	go = FALSE;
 }
@@ -3576,7 +3579,7 @@ calculate(FUNC *fp, int argcount)
 	funcname = fp->f_name;
 	funcline = 0;
 	go = TRUE;
-	abort_now = FALSE;
+	++calc_depth;
 	origargcount = argcount;
 	while (argcount < fp->f_paramcount) {
 		stack++;
@@ -3692,6 +3695,7 @@ calculate(FUNC *fp, int argcount)
 			}
 			funcname = oldname;
 			funcline = oldline;
+			--calc_depth;
 			return;
 
 		case OPSTI:	/* static initialization code */
@@ -3713,14 +3717,7 @@ calculate(FUNC *fp, int argcount)
 		freevalue(stack--);
 	funcname = oldname;
 	funcline = oldline;
-	if (abort_now && stack == stackarray) {
-		if (!stdin_tty)
-			run_state = RUN_EXIT;
-		else if (run_state < RUN_PRE_TOP_LEVEL)
-			run_state = RUN_PRE_TOP_LEVEL;
-		freefunc(curfunc);
-		longjmp(jmpbuf, 1);
-	}
+	--calc_depth;
 	return;
 }
 
@@ -3857,3 +3854,13 @@ freenumbers(FUNC *fp)
 	}
 	trimconstants();
 }
+
+
+long
+calclevel(void)
+{
+	return calc_depth - 1;
+}
+
+
+/* END CODE */

quickhash.c

@@ -407,6 +407,7 @@ config_hash(CONFIG *cfg, QCKHASH val)
 	value = (((value>>5) | (value<<27)) ^ (USB32)cfg->lib_debug);
 	value = (((value>>5) | (value<<27)) ^ (USB32)cfg->calc_debug);
 	value = (((value>>5) | (value<<27)) ^ (USB32)cfg->user_debug);
+	value = (((value>>5) | (value<<27)) ^ (USB32)cfg->verbose_quit);
 
 	/*
 	 * hash the built up scalar

token.c

@@ -335,22 +335,22 @@ static void
 eatcomment(void)
 {
 	int ch;
-
+	setprompt(conf->prompt2);
 	for (;;) {
 		ch = nextchar();
 		if (ch == '*') {
 			ch = nextchar();
 			if (ch == '/')
-				return;
+				break;
 			reread();
 		}
-		if ((ch == EOF) || (ch == '\0') ||
-			(newlines && (ch == '\n') && inputisterminal())) {
-				reread();
-				scanerror(T_NULL, "Unterminated comment");
-				return;
+		if (ch == EOF || ch == '\0') {
+			fprintf(stderr, "Unterminated comment ignored\n");
+			reread();
+			break;
 		}
 	}
+	setprompt(conf->prompt1);
 }
 
 

version.c

@@ -12,7 +12,7 @@
 #define MAJOR_VER	2	/* major version */
 #define MINOR_VER	11	/* minor version */
 #define MAJOR_PATCH	0	/* patch level or 0 if no patch */
-#define MINOR_PATCH	"8.9"	/* test number or empty string if no patch */
+#define MINOR_PATCH	"9.1.1"	/* test number or empty string if no patch */
 
 /*
  * calc version constants

zmath.h

@@ -72,7 +72,7 @@ typedef SB16 SHALF;			/* signed HALF */
 typedef USB32 FULL;			/* double unit of number storage */
 typedef SB32 SFULL;			/* signed FULL */
 
-#define SWAP_HALF_IN_B64(dest, src)	SWAP_B32_IN_B64(dest, src)
+#define SWAP_HALF_IN_B64(dest, src)	SWAP_B16_IN_B64(dest, src)
 #define SWAP_HALF_IN_B32(dest, src)	SWAP_B16_IN_B32(dest, src)
 #define SWAP_HALF_IN_FULL(dest, src)	SWAP_B16_IN_B32(dest, src)
 #define SWAP_HALF_IN_HASH(dest, src)	SWAP_B16_IN_HASH(dest, src)