When I build the package ,I met a error message from pty.c

[sober-wang]

How to fix this error message?

go build -o bin/ .
# github.com/cpuguy83/containerd-shim-systemd-v1
pty.c: 在函数‘handle_tty_op_conn’中:
pty.c:76:18: 警告：‘write’ reading 8 bytes from a region of size 4 [-Wstringop-overflow=]
   76 |             nw = write(fd, sizeof(msg)+msg, sizeof(msg));
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pty.c:5:
/usr/include/unistd.h:378:16: 附注：in a call to function ‘write’ declared with attribute ‘read_only (2, 3)’
  378 | extern ssize_t write (int __fd, const void *__buf, size_t __n) __wur
      |                ^~~~~

Env

• my os version: OpenEuler 22.03
• linux kernal: 5.10.0-60.18.0.50.oe2203.x86_64
• machine arch: x86_64

[cpuguy83]

Hmm... I'm not sure why I am adding sizeof to what's being read. Probably can get rid of that.

[cpuguy83]

This is fixed. Thanks!