Avoid double call to getenv in chroot

2013-07-20 13:19:32 +02:00 · 2013-07-20 13:19:32 +02:00 · 5e9c4d781b
commit 5e9c4d781b
parent c258d7d0b6
1 changed files with 3 additions and 3 deletions
--- 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();