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linux/lib
Ian Bridges f47180b0e9 kunit: string-stream: Replace strlcat() with strscpy() and seq_buf
In preparation for removing the strlcat() API[1], replace its uses in
string-stream.

string_stream_vadd() appends at most a single newline into space that
was explicitly reserved when the fragment was sized, so a bounded copy
at the end of the string is enough. The return value of strscpy()
keeps the length accounting unchanged. string_stream_get_string()
concatenates a variable number of fragments into a buffer sized to
hold them all, which is what seq_buf is for.

Link: https://lore.kernel.org/r/akenPvVk1xr_-480@dev
Link: https://github.com/KSPP/linux/issues/370 [1]
Signed-off-by: Ian Bridges <icb@fastmail.org>
Reviewed-by: David Gow <david@davidgow.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2026-07-06 09:31:33 -06:00
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