anchao opened a new pull request, #15120:
URL: https://github.com/apache/nuttx/pull/15120
## Summary
libc/chdir: chdir/fchdir should not depend on environment variables
This PR will still allow basic shell operations such as cd/ls/pwd to be used
even when the environment is disabled.
Signed-off-by: chao an <anc...@lixiang.com>
## Impact
N/A
## Testing
sim/nsh and enable CONFIG_DISABLE_ENVIRON
before:
```
$ ./build/nuttx
NuttShell (NSH) NuttX-10.4.0
nsh> ls
nsh: ls: missing required argument(s)
nsh> cd
nsh: cd: command not found
nsh> pwd
nsh: pwd: command not found
nsh> ls /
/:
bin/
data/
dev/
etc/
proc/
tmp/
nsh>
```
after:
```
$ ./build/nuttx
NuttShell (NSH) NuttX-10.4.0
nsh> ls
/:
bin/
data/
dev/
etc/
proc/
tmp/
nsh> cd
nsh> cd /data
nsh> pwd
/data
nsh> ls /
/:
bin/
data/
dev/
etc/
proc/
tmp/
nsh>
```
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