android: Fix crash in property_get stub

If value was not found and default_value was not provided NULL pointer
was passed as argument to strncpy resulting in crash.

diff --git a/android/cutils/properties.h b/android/cutils/properties.h
index a9f7554..44a712c 100644 (file)
--- a/android/cutils/properties.h
+++ b/android/cutils/properties.h
@@ -43,7 +43,7 @@ static inline int property_get(const char *key, char *value,
        if (!env)
                env = default_value;
 
-       if (!value)
+       if (!value || !env)
                return 0;
 
        strncpy(value, env, PROPERTY_VALUE_MAX);