sbase

commit 5e9c4d781b93a70f39a257769e0023ba4f33dd35
parent c258d7d0b607d18cb1fcdbc159ad7b722b474229
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sat, 20 Jul 2013 13:19:32 +0200

Avoid double call to getenv in chroot

Diffstat:
M
chroot.c
 | 
6
+++---

1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/chroot.c b/chroot.c
@@ -7,10 +7,10 @@ static void usage(void);
 int
 main(int argc, char **argv)
 {
-	char *shell[] = {"/bin/sh", "-i", NULL};
+	char *shell[] = {"/bin/sh", "-i", NULL}, *aux;
 
-	if(getenv("SHELL"))
-		shell[0] = getenv("SHELL");
+	if(aux = getenv("SHELL"))
+		shell[0] = aux;
 
 	if(argc < 2)
 		usage();