From 8c9364c8200ed71f1cd0576b514b8d0f83792125 Mon Sep 17 00:00:00 2001
From: Dean Prichard <dean.prichard@gmail.com>
Date: Fri, 5 Feb 2010 01:40:58 -0800
Subject: 5a/6a/8a/5c/6c/8c: remove fixed-size arrays for -I and -D options

R=rsc
CC=golang-dev
http://codereview.appspot.com/198044

Committer: Russ Cox <rsc@golang.org>
---
 src/cmd/cc/cc.h    |  2 +-
 src/cmd/cc/lex.c   | 23 ++++++++++++-----------
 src/cmd/cc/lexbody |  9 ++++-----
 3 files changed, 17 insertions(+), 17 deletions(-)

(limited to 'src/cmd/cc')

diff --git a/src/cmd/cc/cc.h b/src/cmd/cc/cc.h
index 62a33ae5e..6098bc53a 100644
--- a/src/cmd/cc/cc.h
+++ b/src/cmd/cc/cc.h
@@ -475,7 +475,7 @@ EXTERN	Decl*	firstdcl;
 EXTERN	int	fperror;
 EXTERN	Sym*	hash[NHASH];
 EXTERN	char*	hunk;
-EXTERN	char*	include[20];
+EXTERN	char**	include;
 EXTERN	Io*	iofree;
 EXTERN	Io*	ionext;
 EXTERN	Io*	iostack;
diff --git a/src/cmd/cc/lex.c b/src/cmd/cc/lex.c
index b722ab15f..63916e2a1 100644
--- a/src/cmd/cc/lex.c
+++ b/src/cmd/cc/lex.c
@@ -82,7 +82,7 @@ pathchar(void)
 void
 main(int argc, char *argv[])
 {
-	char *defs[50], *p;
+	char **defs, *p;
 	int nproc, nout, i, c, ndef;
 
 	ensuresymb(NSYMB);
@@ -94,8 +94,9 @@ main(int argc, char *argv[])
 
 	tufield = simplet((1L<<tfield->etype) | BUNSIGNED);
 	ndef = 0;
+	defs = nil;
 	outfile = 0;
-	include[ninclude++] = ".";
+	setinclude(".");
 	ARGBEGIN {
 	default:
 		c = ARGC();
@@ -119,6 +120,9 @@ main(int argc, char *argv[])
 	case 'D':
 		p = ARGF();
 		if(p) {
+			if(ndef%8 == 0)
+				defs = allocn(defs, ndef*sizeof(char *), 
+					8*sizeof(char *));
 			defs[ndef++] = p;
 			dodefine(p);
 		}
@@ -193,7 +197,7 @@ int
 compile(char *file, char **defs, int ndef)
 {
 	char *ofile, incfile[20];
-	char *p, *av[100], opt[256];
+	char *p, **av, opt[256];
 	int i, c, fd[2];
 	static int first = 1;
 
@@ -283,6 +287,7 @@ compile(char *file, char **defs, int ndef)
 			close(fd[0]);
 			dup(fd[1], 1);
 			close(fd[1]);
+			av = alloc((ndef+ninclude+5)*sizeof(char *));
 			av[0] = CPP;
 			i = 1;
 			if(debug['.']){
@@ -1548,14 +1553,10 @@ setinclude(char *p)
 			if(strcmp(p, include[i]) == 0)
 				return;
 
-		if(i >= ninclude)
-			include[ninclude++] = p;
-
-		if(ninclude > nelem(include)) {
-			diag(Z, "ninclude too small %d", nelem(include));
-			exits("ninclude");
-		}
-
+		if(ninclude%8 == 0)
+			include = allocn(include, ninclude*sizeof(char *), 
+				8*sizeof(char *));
+		include[ninclude++] = p;
 	}
 }
 
diff --git a/src/cmd/cc/lexbody b/src/cmd/cc/lexbody
index 6be2bce92..c026a8d23 100644
--- a/src/cmd/cc/lexbody
+++ b/src/cmd/cc/lexbody
@@ -149,11 +149,10 @@ setinclude(char *p)
 	for(i=1; i < ninclude; i++)
 		if(strcmp(p, include[i]) == 0)
 			return;
-
-	if(ninclude >= nelem(include)) {
-		yyerror("ninclude too small %d", nelem(include));
-		exits("ninclude");
-	}
+	
+	if(ninclude%8 == 0)
+		include = allocn(include, ninclude*sizeof(char *), 
+			8*sizeof(char *));
 	include[ninclude++] = p;
 }
 
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