X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fenv%2Fsetenv.c;fp=src%2Fenv%2Fsetenv.c;h=c2c25444cbbd069c1eb99cd9f9ec8a57be0d18ce;hb=649af9f73a84aa45742324d44384a873c8709915;hp=03e165c8b332223f92d81d65088b1b288c5e4a42;hpb=e01ac67599dea1fd78a1bd1a0339a1da07dc9578;p=musl

diff --git a/src/env/setenv.c b/src/env/setenv.c
index 03e165c8..c2c25444 100644
--- a/src/env/setenv.c
+++ b/src/env/setenv.c
@@ -9,7 +9,7 @@ int setenv(const char *var, const char *value, int overwrite)
 	char *s;
 	int l1, l2;
 
-	if (strchr(var, '=')) {
+	if (!var || !*var || strchr(var, '=')) {
 		errno = EINVAL;
 		return -1;
 	}