https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203062
Bug ID: 203062
Summary: ifconfig always has exit status 0
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
ifconfig doesn't return errors if the ioctl() fails.
It prints the error, but always does exit(0).
This makes it annoying to use in scripts.
For example, when trying to rename an interface to conflict with an existing
interface:
% sudo ifconfig lo0 name vtnet0 ; echo $?
ifconfig: ioctl (set name): File exists
0
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