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bsd-user: Implement rmdir and undocumented __getcwd

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Implemenet rmdir and __getcwd. __getcwd is the undocumented
back end to getcwd(3).

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-06-12 08:23:57 -06:00
parent 1ffbd5e7fe
commit 6af8f76a9f
2 changed files with 37 additions and 0 deletions
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29
bsd-user/bsd-file.h
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@ -456,4 +456,33 @@ static abi_long do_bsd_mkdirat(abi_long arg1, abi_long arg2,
return ret;
}
/* rmdir(2) */
static abi_long do_bsd_rmdir(abi_long arg1)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg1);
ret = get_errno(rmdir(p)); /* XXX path(p)? */
UNLOCK_PATH(p, arg1);
return ret;
}
/* undocumented __getcwd(char *buf, size_t len) system call */
static abi_long do_bsd___getcwd(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
if (p == NULL) {
return -TARGET_EFAULT;
}
ret = safe_syscall(SYS___getcwd, p, arg2);
unlock_user(p, arg1, ret == 0 ? strlen(p) + 1 : 0);
return get_errno(ret);
}
#endif /* BSD_FILE_H */