tmedicci opened a new pull request, #2986:
URL: https://github.com/apache/nuttx-apps/pull/2986
## Summary
* testing/libc/wcstombs: Add testing application for wcstombs
This application tests the libc's `wcstombs` function for different len
sizes (bigger than the converted string, exactly the size of it and smaller
than it).
## Impact
Enabling testing the libc's `wcstombs()`function. No impact on existing
applications. This application is used to test a bugfix regarding `wcstombs`
behavior.
## Testing
Internal CI testing + `rv-virt:nsh`:
Build with:
```
make -j distclean && ./tools/configure.sh rv-virt:nsh && kconfig-tweak -e
LIBC_LOCALE && kconfig-tweak -e TESTING_WCSTOMBS && make olddefconfig && make
```
Run with:
```
$ qemu-system-riscv32 -semihosting -M virt,aclint=on -cpu rv32 -smp 1 -bios
none -kernel nuttx -nographic
ABC
NuttShell (NSH) NuttX-10.4.0
nsh> help
help usage: help [-v] [<cmd>]
. cmp false mount set uptime
[ dirname fdinfo mv sleep usleep
? dd free pidof source watch
alias df help poweroff test xd
unalias dmesg hexdump quit time wait
basename echo kill printf true
break env pkill ps truncate
cat exec ls pwd uname
cd exit mkdir rm umount
cp expr mkrd rmdir unset
Builtin Apps:
getprime hello nsh ostest sh wcstombs
nsh> wcstombs
wcstombs Test application:
Test Scenario: len is bigger than the size of the converted string. Expected
the null-terminator at the end of the converted string.
Return code: 13
dst buffer (as uint8_t array): 48 65 6c 6c 6f 2c 20 77 6f 72 6c 64 21 aa
The character just after the return value is not the expected
null-terminator (value: aa). This is a bug!
nsh> QEMU: Terminated
```
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