tree 623a0dea1b880a5a00184cad943430e7bea9e544
parent a89765bcaa7f7b20804ac761b1ac5cb8441529f9
author zijunzhao <zijunzhao@google.com> 1682545410 +0000
committer zijunzhao <zijunzhao@google.com> 1682550876 +0000

Set __BIONIC_COMPLICATED_NULLNESS for the vsnprintf family

When annotating the netinet directory aosp/2552567, we realize the
argment s for vsnprintf family can be null only if the buffer size is 0.
So we correct them and add some tests to verify our assumption.

Bugs: b/245972273
Test: adb shell
Change-Id: I51063286272be0daee0d7c1453a374b1f5674481