From 0cd41dca9a25a3249863ae2d9fef325f8bf7ba01 Mon Sep 17 00:00:00 2001
From: Mark Murray <markm@FreeBSD.org>
Date: Mon, 21 Jul 2003 20:55:37 +0000
Subject: [PATCH] Replace an alloca() call with a slightly more standard
 malloc()/free() pair.

---
 usr.bin/getconf/getconf.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/usr.bin/getconf/getconf.c b/usr.bin/getconf/getconf.c
index 8bfeb93c471..14345c62411 100644
--- a/usr.bin/getconf/getconf.c
+++ b/usr.bin/getconf/getconf.c
@@ -148,9 +148,14 @@ do_confstr(const char *name, int key)
 	if (len == 0) {
 		printf("undefined\n");
 	} else {
-		buf = alloca(len);
-		confstr(key, buf, len);
-		printf("%s\n", buf);
+		buf = malloc(len);
+		if (buf != NULL) {
+			confstr(key, buf, len);
+			printf("%s\n", buf);
+			free(buf);
+		}
+		else
+			err(EX_OSERR, "malloc: confstr");
 	}
 }