sbase

commit b553349251e3904601f4c535e2f5b0911450da88
parent 1b32732887b575a553cdbe07555ab9526a716e00
Author: sin <sin@2f30.org>
Date:   Fri,  6 Nov 2015 10:51:04 +0000

env: Check unsetenv() return value

./env -u "" foo and ./env -u "A=123" foo should both fail.

Diffstat:
M
env.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/env.c b/env.c
@@ -25,7 +25,8 @@ main(int argc, char *argv[])
 		*environ = NULL;
 		break;
 	case 'u':
-		unsetenv(EARGF(usage()));
+		if (unsetenv(EARGF(usage())) < 0)
+			eprintf("unsetenv:");
 		break;
 	default:
 		usage();