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minor fixes (whitespace and such)

Hi,

Just some minor fixes (whitespace and such).

Kind regards,
Hiltjo

From c79b4339fc477e2d0212d442f38c50326e430f2a Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <[email protected]>
Date: Wed, 15 Jul 2015 21:37:32 +0200
Subject: [PATCH] whitespace + typo fixes

change exit(-1) to exit(1), just use 1 instead of EXIT_FAILURE

--- a/README

+++ b/README

@@ -23,8 +23,8 @@

 This is the reason why I begin to develop this compiler, and I hope

 it will be useful for you.

-Changes from standar C

-======================

+Changes from standard C

+=======================

 This compiler is near of being full compatible with C99 standard, but

 it has some differences:

--- a/cc1/cpp.c

+++ b/cc1/cpp.c

@@ -534,7 +534,7 @@

 	if (cppoff)

 		return;

 	printerr("#error %s", s);

-	exit(-1);

+	exit(1);

 }

 static void

--- a/cc1/error.c

+++ b/cc1/error.c

@@ -25,7 +25,7 @@

 	putc('\n', stderr);

 	if (flag < 0 && nerrors++ == MAXERRNUM) {

 		fputs("too many errors\n", stderr);

-		exit(-1);

+		exit(1);

 	}

 }

@@ -62,6 +62,6 @@

 void

 unexpected(void)

-{	

+{

 	error("unexpected '%s'", yytext);

 }

--- a/cc1/lex.c

+++ b/cc1/lex.c

@@ -651,7 +651,7 @@

 			break;

 		}

 		if (c == '\0' && !moreinput())

-			exit(-1);

+			exit(1);

 	}

 jump:

 	yytoken = c;

--- a/cc2/main.c

+++ b/cc2/main.c

@@ -22,7 +22,7 @@

 		vfprintf(stderr, errlist[nerror], va);

 	va_end(va);

 	putc('\n', stderr);

-	exit(EXIT_FAILURE);

+	exit(1);

 }

 bool

--- a/cc2/optm.c

+++ b/cc2/optm.c

@@ -34,7 +34,7 @@

 	np->left = optcasts(np->left, tp);

 	np->right = optcasts(np->right, tp);

-	return np;			

+	return np;

 }

 static Node *

--- a/cc2/parser.c

+++ b/cc2/parser.c

@@ -464,7 +464,7 @@

 	if (token = strtok(NULL, "\t")) {

 		expr(token);

 		lp = pop();

-		np ->left = lp;

+		np->left = lp;

 		np->type = lp->type;

 	} else {

 		np->left = NULL;

--- a/lib/die.c

+++ b/lib/die.c

@@ -16,5 +16,5 @@

 	va_start(va, fmt);

 	fprintf(stderr, fmt, va);

 	va_end(va);

-	exit(EXIT_FAILURE);

+	exit(1);

 }