Remove trailing whitespace on lines in all files.

10 files changed, 66 insertions, 66 deletions

diff --git a/FIXES b/FIXES
index 55dfe20..afd76da 100644
--- a/FIXES
+++ b/FIXES
@@ -195,10 +195,10 @@ Jun 12, 2011:
 	/pat/, \n /pat/ {...} is now legal, though bad style to use.
 
 	added checks to new -v code that permits -vnospace; thanks to
-	ruslan ermilov for spotting this and providing the patch. 
+	ruslan ermilov for spotting this and providing the patch.
 
 	removed fixed limit on number of open files; thanks to aleksey
-	cheusov and christos zoulos. 
+	cheusov and christos zoulos.
 
 	fixed day 1 bug that resurrected deleted elements of ARGV when
 	used as filenames (in lib.c).
@@ -216,10 +216,10 @@ May 1, 2011:
 	and arnold robbins, changed srand() to return the previous
 	seed (which is 1 on the first call of srand).  the seed is
 	an Awkfloat internally though converted to unsigned int to
-	pass to the library srand().  thanks, everyone. 
+	pass to the library srand().  thanks, everyone.
 
 	fixed a subtle (and i hope low-probability) overflow error
-	in fldbld, by adding space for one extra \0.  thanks to 
+	in fldbld, by adding space for one extra \0.  thanks to
 	robert bassett for spotting this one and providing a fix.
 
 	removed the files related to compilation on windows.  i no
@@ -256,7 +256,7 @@ Oct 8, 2008:
 
 Oct 23, 2007:
 	minor fix in lib.c: increase inputFS to 100, change malloc
-	for fields to n+1.  
+	for fields to n+1.
 
 	fixed memory fault caused by out of order test in setsval.
 
@@ -303,7 +303,7 @@ Jan 17, 2006:
 
 	core dump on linux with BEGIN {nextfile}, now fixed.
 
-	removed some #ifdef's in run.c and lex.c that appear to no 
+	removed some #ifdef's in run.c and lex.c that appear to no
 	longer be necessary.
 
 Apr 24, 2005:
@@ -317,8 +317,8 @@ Jan 14, 2005:
 	rethinking it.
 
 Dec 31, 2004:
-	prevent overflow of -f array in main, head off potential error in 
-	call of SYNTAX(), test malloc return in lib.c, all with thanks to 
+	prevent overflow of -f array in main, head off potential error in
+	call of SYNTAX(), test malloc return in lib.c, all with thanks to
 	todd miller.
 
 Dec 22, 2004:
@@ -346,8 +346,8 @@ Nov 22, 2003:
 	code known to man.
 
 	fixed a storage leak in call() that appears to have been there since
-	1983 or so -- a function without an explicit return that assigns a 
-	string to a parameter leaked a Cell.  thanks to moinak ghosh for 
+	1983 or so -- a function without an explicit return that assigns a
+	string to a parameter leaked a Cell.  thanks to moinak ghosh for
 	spotting this very subtle one.
 
 Jul 31, 2003:
@@ -369,7 +369,7 @@ Jul 28, 2003:
 	radix character in programs and command line arguments regardless of
 	the locale; otherwise, the locale should prevail for input and output
 	of numbers.  so it's intended to work that way.
-	
+
 	i have rescinded the attempt to use strcoll in expanding shorthands in
 	regular expressions (cclenter).  its properties are much too
 	surprising; for example [a-c] matches aAbBc in locale en_US but abBcC
@@ -433,7 +433,7 @@ Nov 29, 2002:
 Jun 28, 2002:
 	modified run/format() and tran/getsval() to do a slightly better
 	job on using OFMT for output from print and CONVFMT for other
-	number->string conversions, as promised by posix and done by 
+	number->string conversions, as promised by posix and done by
 	gawk and mawk.  there are still places where it doesn't work
 	right if CONVFMT is changed; by then the STR attribute of the
 	variable has been irrevocably set.  thanks to arnold robbins for
@@ -465,7 +465,7 @@ Feb 10, 2002:
 Jan 1, 2002:
 	fflush() or fflush("") flushes all files and pipes.
 
-	length(arrayname) returns number of elements; thanks to 
+	length(arrayname) returns number of elements; thanks to
 	arnold robbins for suggestion.
 
 	added a makefile.win to make it easier to build on windows.
@@ -515,7 +515,7 @@ July 5, 2000:
 
 May 25, 2000:
 	yet another attempt at making 8-bit input work, with another
-	band-aid in b.c (member()), and some (uschar) casts to head 
+	band-aid in b.c (member()), and some (uschar) casts to head
 	off potential errors in subscripts (like isdigit).  also
 	changed HAT to NCHARS-2.  thanks again to santiago vila.
 
@@ -562,7 +562,7 @@ Apr 21, 1999:
 	the test case.)
 
 Apr 16, 1999:
-	with code kindly provided by Bruce Lilly, awk now parses 
+	with code kindly provided by Bruce Lilly, awk now parses
 	/=/ and similar constructs more sensibly in more places.
 	Bruce also provided some helpful test cases.
 
@@ -619,7 +619,7 @@ Jan 13, 1999:
 
 Oct 19, 1998:
 	fixed a couple of bugs in getrec: could fail to update $0
-	after a getline var; because inputFS wasn't initialized, 
+	after a getline var; because inputFS wasn't initialized,
 	could split $0 on every character, a misleading diversion.
 
 	fixed caching bug in makedfa: LRU was actually removing
@@ -767,7 +767,7 @@ May 2, 1996:
 	input file. (thanks to arnold robbins for inspiration and code).
 
 	small fixes to regexpr code:  can now handle []], [[], and
-	variants;  [] is now a syntax error, rather than matching 
+	variants;  [] is now a syntax error, rather than matching
 	everything;  [z-a] is now empty, not z.  far from complete
 	or correct, however.  (thanks to jeffrey friedl for pointing out
 	some awful behaviors.)
diff --git a/awk.1 b/awk.1
index 9961910..4757914 100644
--- a/awk.1
+++ b/awk.1
@@ -48,7 +48,7 @@ matches the pattern.
 Each line is matched against the
 pattern portion of every pattern-action statement;
 the associated action is performed for each matched pattern.
-The file name 
+The file name
 .B \-
 means the standard input.
 Any
@@ -90,7 +90,7 @@ A pattern-action statement has the form:
 .IP
 .IB pattern " { " action " }
 .PP
-A missing 
+A missing
 .BI { " action " }
 means print the line;
 a missing pattern always matches.
@@ -225,7 +225,7 @@ the
 substring of
 .I s
 that begins at position
-.I m 
+.I m
 counted from 1.
 If no
 .IR n ,
@@ -307,7 +307,7 @@ executes
 and returns its exit status. This will be \-1 upon error,
 .IR cmd 's
 exit status upon a normal exit,
-256 + 
+256 +
 .I sig
 upon death-by-signal, where
 .I sig
@@ -366,7 +366,7 @@ Patterns are arbitrary Boolean combinations
 of regular expressions and
 relational expressions.
 Regular expressions are as in
-.IR egrep ; 
+.IR egrep ;
 see
 .IR grep (1).
 Isolated regular expressions
@@ -541,8 +541,8 @@ BEGIN	{	# Simulate echo(1)
 .fi
 .EE
 .SH SEE ALSO
-.IR grep (1), 
-.IR lex (1), 
+.IR grep (1),
+.IR lex (1),
 .IR sed (1)
 .br
 A. V. Aho, B. W. Kernighan, P. J. Weinberger,
diff --git a/awk.h b/awk.h
index 0f78e87..1dec5f2 100644
--- a/awk.h
+++ b/awk.h
@@ -32,7 +32,7 @@ typedef	unsigned char uschar;
 
 #define	xfree(a)	{ if ((a) != NULL) { free((void *) (a)); (a) = NULL; } }
 
-#define	NN(p)	((p) ? (p) : "(null)")	/* guaranteed non-null for dprintf 
+#define	NN(p)	((p) ? (p) : "(null)")	/* guaranteed non-null for dprintf
 */
 #define	DEBUG
 #ifdef	DEBUG
@@ -162,7 +162,7 @@ extern Node	*nullnode;
 #define CCOPY	6
 #define CCON	5
 #define CTEMP	4
-#define CNAME	3 
+#define CNAME	3
 #define CVAR	2
 #define CFLD	1
 #define	CUNK	0
diff --git a/awkgram.y b/awkgram.y
index e4abeed..fd0f40e 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -52,7 +52,7 @@ Node	*arglist = 0;	/* list of args for current function */
 %token	<i>	MATCH NOTMATCH MATCHOP
 %token	<i>	FINAL DOT ALL CCL NCCL CHAR OR STAR QUEST PLUS EMPTYRE
 %token	<i>	AND BOR APPEND EQ GE GT LE LT NE IN
-%token	<i>	ARG BLTIN BREAK CLOSE CONTINUE DELETE DO EXIT FOR FUNC 
+%token	<i>	ARG BLTIN BREAK CLOSE CONTINUE DELETE DO EXIT FOR FUNC
 %token	<i>	SUB GSUB IF INDEX LSUBSTR MATCHFCN NEXT NEXTFILE
 %token	<i>	ADD MINUS MULT DIVIDE MOD
 %token	<i>	ASSIGN ASGNOP ADDEQ SUBEQ MULTEQ DIVEQ MODEQ POWEQ
@@ -79,7 +79,7 @@ Node	*arglist = 0;	/* list of args for current function */
 %left	AND
 %left	GETLINE
 %nonassoc APPEND EQ GE GT LE LT NE MATCHOP IN '|'
-%left	ARG BLTIN BREAK CALL CLOSE CONTINUE DELETE DO EXIT FOR FUNC 
+%left	ARG BLTIN BREAK CALL CLOSE CONTINUE DELETE DO EXIT FOR FUNC
 %left	GSUB IF INDEX LSUBSTR MATCHFCN NEXT NUMBER
 %left	PRINT PRINTF RETURN SPLIT SPRINTF STRING SUB SUBSTR
 %left	REGEXPR VAR VARNF IVAR WHILE '('
@@ -238,10 +238,10 @@ pattern:
 			$$ = op3($2, (Node *)1, $1, $3); }
 	| pattern IN varname		{ $$ = op2(INTEST, $1, makearr($3)); }
 	| '(' plist ')' IN varname	{ $$ = op2(INTEST, $2, makearr($5)); }
-	| pattern '|' GETLINE var	{ 
+	| pattern '|' GETLINE var	{
 			if (safe) SYNTAX("cmd | getline is unsafe");
 			else $$ = op3(GETLINE, $4, itonp($2), $1); }
-	| pattern '|' GETLINE		{ 
+	| pattern '|' GETLINE		{
 			if (safe) SYNTAX("cmd | getline is unsafe");
 			else $$ = op3(GETLINE, (Node*)0, itonp($2), $1); }
 	| pattern term %prec CAT	{ $$ = op2(CAT, $1, $2); }
@@ -292,7 +292,7 @@ rparen:
 	;
 
 simple_stmt:
-	  print prarg '|' term		{ 
+	  print prarg '|' term		{
 			if (safe) SYNTAX("print | is unsafe");
 			else $$ = stat3($1, $2, itonp($3), $4); }
 	| print prarg APPEND term	{
@@ -421,7 +421,7 @@ var:
 	| varname '[' patlist ']'	{ $$ = op2(ARRAY, makearr($1), $3); }
 	| IVAR				{ $$ = op1(INDIRECT, celltonode($1, CVAR)); }
 	| INDIRECT term	 		{ $$ = op1(INDIRECT, $2); }
-	;	
+	;
 
 varlist:
 	  /* nothing */		{ arglist = $$ = 0; }
diff --git a/b.c b/b.c
index 91dd78d..86b6529 100644
--- a/b.c
+++ b/b.c
@@ -168,7 +168,7 @@ int makeinit(fa *f, int anchor)
 	f->out[2] = 0;
 	f->reset = 0;
 	k = *(f->re[0].lfollow);
-	xfree(f->posns[2]);			
+	xfree(f->posns[2]);
 	if ((f->posns[2] = (int *) calloc(k+1, sizeof(int))) == NULL)
 		overflo("out of space in makeinit");
 	for (i=0; i <= k; i++) {
@@ -546,7 +546,7 @@ int pmatch(fa *f, const char *p0)	/* longest match, for sub */
 		if (f->reset) {
 			for (i = 2; i <= f->curstat; i++)
 				xfree(f->posns[i]);
-			k = *f->posns[0];			
+			k = *f->posns[0];
 			if ((f->posns[2] = (int *) calloc(k+1, sizeof(int))) == NULL)
 				overflo("out of space in pmatch");
 			for (i = 0; i <= k; i++)
@@ -603,7 +603,7 @@ int nematch(fa *f, const char *p0)	/* non-empty match, for sub */
 		if (f->reset) {
 			for (i = 2; i <= f->curstat; i++)
 				xfree(f->posns[i]);
-			k = *f->posns[0];			
+			k = *f->posns[0];
 			if ((f->posns[2] = (int *) calloc(k+1, sizeof(int))) == NULL)
 				overflo("out of state space");
 			for (i = 0; i <= k; i++)
@@ -948,7 +948,7 @@ rescan:
 	default:
 		rlxval = c;
 		return CHAR;
-	case '[': 
+	case '[':
 		if (buf == NULL && (buf = (uschar *) malloc(bufsz)) == NULL)
 			FATAL("out of space in reg expr %.10s..", lastre);
 		bp = buf;
diff --git a/lex.c b/lex.c
index e27324b..93acb53 100644
--- a/lex.c
+++ b/lex.c
@@ -136,7 +136,7 @@ int gettok(char **pbuf, int *psz)	/* get next input token */
 			if (bp-buf >= sz)
 				if (!adjbuf(&buf, &sz, bp-buf+2, 100, &bp, "gettok"))
 					FATAL( "out of space for number %.10s...", buf );
-			if (isdigit(c) || c == 'e' || c == 'E' 
+			if (isdigit(c) || c == 'e' || c == 'E'
 			  || c == '.' || c == '+' || c == '-')
 				*bp++ = c;
 			else {
@@ -194,7 +194,7 @@ int yylex(void)
 			/* should this also have STR set? */
 			RET(NUMBER);
 		}
-	
+
 		yylval.i = c;
 		switch (c) {
 		case '\n':	/* {EOL} */
@@ -225,7 +225,7 @@ int yylex(void)
 		case '&':
 			if (peek() == '&') {
 				input(); RET(AND);
-			} else 
+			} else
 				RET('&');
 		case '|':
 			if (peek() == '|') {
@@ -323,7 +323,7 @@ int yylex(void)
 				unputstr(buf);
 				RET(INDIRECT);
 			}
-	
+
 		case '}':
 			if (--bracecnt < 0)
 				SYNTAX( "extra }" );
@@ -346,10 +346,10 @@ int yylex(void)
 		case '(':
 			parencnt++;
 			RET('(');
-	
+
 		case '"':
 			return string();	/* BUG: should be like tran.c ? */
-	
+
 		default:
 			RET(c);
 		}
@@ -382,7 +382,7 @@ int string(void)
 			c = input();
 			switch (c) {
 			case '"': *bp++ = '"'; break;
-			case 'n': *bp++ = '\n'; break;	
+			case 'n': *bp++ = '\n'; break;
 			case 't': *bp++ = '\t'; break;
 			case 'f': *bp++ = '\f'; break;
 			case 'r': *bp++ = '\r'; break;
@@ -419,7 +419,7 @@ int string(void)
 				break;
 			    }
 
-			default: 
+			default:
 				*bp++ = c;
 				break;
 			}
@@ -429,7 +429,7 @@ int string(void)
 			break;
 		}
 	}
-	*bp = 0; 
+	*bp = 0;
 	s = tostring(buf);
 	*bp++ = ' '; *bp++ = 0;
 	yylval.cp = setsymtab(buf, s, 0.0, CON|STR|DONTFREE, symtab);
@@ -455,7 +455,7 @@ int binsearch(char *w, Keyword *kp, int n)
 	return -1;
 }
 
-int word(char *w) 
+int word(char *w)
 {
 	Keyword *kp;
 	int c, n;
@@ -519,11 +519,11 @@ int regexpr(void)
 			FATAL("out of space for reg expr %.10s...", buf);
 		if (c == '\n') {
 			*bp = '\0';
-			SYNTAX( "newline in regular expression %.10s...", buf ); 
+			SYNTAX( "newline in regular expression %.10s...", buf );
 			unput('\n');
 			break;
 		} else if (c == '\\') {
-			*bp++ = '\\'; 
+			*bp++ = '\\';
 			*bp++ = input();
 		} else {
 			*bp++ = c;
diff --git a/lib.c b/lib.c
index 864326e..6ad0549 100644
--- a/lib.c
+++ b/lib.c
@@ -488,7 +488,7 @@ int refldbld(const char *rec, const char *fs)	/* build fields from reg expr in F
 			break;
 		}
 	}
-	return i;		
+	return i;
 }
 
 void recbld(void)	/* create $0 from $1..$NF if necessary */
diff --git a/main.c b/main.c
index 0f66a37..e19a1b4 100644
--- a/main.c
+++ b/main.c
@@ -69,8 +69,8 @@ int main(int argc, char *argv[])
 	setlocale(LC_NUMERIC, "C"); /* for parsing cmdline & prog */
 	cmdname = argv[0];
 	if (argc == 1) {
-		fprintf(stderr, 
-		  "usage: %s [-F fs] [-v var=value] [-f progfile | 'prog'] [file ...]\n", 
+		fprintf(stderr,
+		  "usage: %s [-F fs] [-v var=value] [-f progfile | 'prog'] [file ...]\n",
 		  cmdname);
 		exit(1);
 	}
@@ -101,14 +101,14 @@ int main(int argc, char *argv[])
 		case 'f':	/* next argument is program filename */
 			if (argv[1][2] != 0) {  /* arg is -fsomething */
 				if (npfile >= MAX_PFILE - 1)
-					FATAL("too many -f options"); 
+					FATAL("too many -f options");
 				pfile[npfile++] = &argv[1][2];
 			} else {		/* arg is -f something */
 				argc--; argv++;
 				if (argc <= 1)
 					FATAL("no program filename");
 				if (npfile >= MAX_PFILE - 1)
-					FATAL("too many -f options"); 
+					FATAL("too many -f options");
 				pfile[npfile++] = argv[1];
 			}
 			break;
diff --git a/makefile b/makefile
index 9d55729..afaa02f 100644
--- a/makefile
+++ b/makefile
@@ -1,7 +1,7 @@
 # /****************************************************************
 # Copyright (C) Lucent Technologies 1997
 # All Rights Reserved
-# 
+#
 # Permission to use, copy, modify, and distribute this software and
 # its documentation for any purpose and without fee is hereby
 # granted, provided that the above copyright notice appear in all
@@ -11,7 +11,7 @@
 # its entities not be used in advertising or publicity pertaining
 # to distribution of the software without specific, written prior
 # permission.
-# 
+#
 # LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 # INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
 # IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
@@ -30,7 +30,7 @@ CFLAGS = -O2
 #CC = gcc -Wall -g -Wwrite-strings
 #CC = gcc -O4 -Wall -pedantic -fno-strict-aliasing
 #CC = gcc -fprofile-arcs -ftest-coverage # then gcov f1.c; cat f1.c.gcov
-HOSTCC = gcc -g -Wall -pedantic 
+HOSTCC = gcc -g -Wall -pedantic
 CC = $(HOSTCC)  # change this is cross-compiling.
 
 # yacc options.  pick one; this varies a lot by system.
@@ -42,10 +42,10 @@ YACC = bison -d -y
 OFILES = b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o
 
 SOURCE = awk.h ytab.c ytab.h proto.h awkgram.y lex.c b.c main.c \
-	maketab.c parse.c lib.c run.c tran.c proctab.c 
+	maketab.c parse.c lib.c run.c tran.c proctab.c
 
 LISTING = awk.h proto.h awkgram.y lex.c b.c main.c maketab.c parse.c \
-	lib.c run.c tran.c 
+	lib.c run.c tran.c
 
 SHIP = README LICENSE FIXES $(SOURCE) ytab[ch].bak makefile  \
 	 awk.1
@@ -58,7 +58,7 @@ $(OFILES):	awk.h ytab.h proto.h
 #Clear dependency for parallel build: (make -j)
 #YACC generated y.tab.c and y.tab.h at the same time
 #this needs to be a static pattern rules otherwise multiple target
-#are mapped onto multiple executions of yacc, which overwrite 
+#are mapped onto multiple executions of yacc, which overwrite
 #each others outputs.
 y%.c y%.h:	awk.h proto.h awkgram.y
 	$(YACC) $(YFLAGS) awkgram.y
@@ -95,7 +95,7 @@ gitadd:
 	   makefile awk.1 testdir
 
 gitpush:
-	# only do this once: 
+	# only do this once:
 	# git remote add origin https://github.com/onetrueawk/awk.git
 	git push -u origin master
 
diff --git a/tran.c b/tran.c
index 35c947d..5356b63 100644
--- a/tran.c
+++ b/tran.c
@@ -191,7 +191,7 @@ void freesymtab(Cell *ap)	/* free a symbol table */
 			if (freeable(cp))
 				xfree(cp->sval);
 			temp = cp->cnext;	/* avoids freeing then using */
-			free(cp); 
+			free(cp);
 			tp->nelem--;
 		}
 		tp->tab[i] = NULL;
@@ -207,7 +207,7 @@ void freeelem(Cell *ap, const char *s)	/* free elem s from ap (i.e., ap["s"] */
 	Array *tp;
 	Cell *p, *prev = NULL;
 	int h;
-	
+
 	tp = (Array *) ap->sval;
 	h = hash(s, tp->size);
 	for (p = tp->tab[h]; p != NULL; prev = p, p = p->cnext)
@@ -303,7 +303,7 @@ Awkfloat setfval(Cell *vp, Awkfloat f)	/* set float val of a Cell */
 	int fldno;
 
 	f += 0.0;		/* normalise negative zero to positive zero */
-	if ((vp->tval & (NUM | STR)) == 0) 
+	if ((vp->tval & (NUM | STR)) == 0)
 		funnyvar(vp, "assign to");
 	if (isfld(vp)) {
 		donerec = 0;	/* mark $0 invalid */
@@ -350,7 +350,7 @@ char *setsval(Cell *vp, const char *s)	/* set string val of a Cell */
 	int fldno;
 	Awkfloat f;
 
-	   dprintf( ("starting setsval %p: %s = \"%s\", t=%o, r,f=%d,%d\n", 
+	   dprintf( ("starting setsval %p: %s = \"%s\", t=%o, r,f=%d,%d\n",
 		(void*)vp, NN(vp->nval), s, vp->tval, donerec, donefld) );
 	if ((vp->tval & (NUM | STR)) == 0)
 		funnyvar(vp, "assign to");
@@ -375,7 +375,7 @@ char *setsval(Cell *vp, const char *s)	/* set string val of a Cell */
 	vp->tval |= STR;
 	vp->fmt = NULL;
 	setfree(vp);
-	   dprintf( ("setsval %p: %s = \"%s (%p) \", t=%o r,f=%d,%d\n", 
+	   dprintf( ("setsval %p: %s = \"%s (%p) \", t=%o r,f=%d,%d\n",
 		(void*)vp, NN(vp->nval), t, (void *) t, vp->tval, donerec, donefld) );
 	vp->sval = t;
 	if (&vp->fval == NF) {
@@ -535,7 +535,7 @@ char *qstring(const char *is, int delim)	/* collect string up to next delim */
 			if (c == 0) {	/* \ at end */
 				*bp++ = '\\';
 				break;	/* for loop */
-			}	
+			}
 			switch (c) {
 			case '\\':	*bp++ = '\\'; break;
 			case 'n':	*bp++ = '\n'; break;