From: Michal Meloun <m...@freebsd.org> Implement the freebsd11 variant of the following syscalls: getdirecentries(2)
Co-authored-by: Stacey Son <s...@freebsd.org> Signed-off-by: Stacey Son <s...@freebsd.org> Signed-off-by: Michal Meloun <m...@freebsd.org> Signed-off-by: Karim Taha <kariem.taha...@gmail.com> --- bsd-user/freebsd/os-stat.h | 44 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h index 04a61fabd1..26909af455 100644 --- a/bsd-user/freebsd/os-stat.h +++ b/bsd-user/freebsd/os-stat.h @@ -41,6 +41,11 @@ __sym_compat(statfs, freebsd11_statfs, FBSD_1.0); int freebsd11_fstatfs(int fd, struct freebsd11_statfs *buf); __sym_compat(fstatfs, freebsd11_fstatfs, FBSD_1.0); +ssize_t freebsd11_getdirentries(int fd, char *buf, size_t nbytes, off_t *basep); +__sym_compat(getdirentries, freebsd11_getdirentries, FBSD_1.0); +ssize_t freebsd11_getdents(int fd, char *buf, size_t nbytes); +__sym_compat(getdents, freebsd11_getdents, FBSD_1.0); + /* stat(2) */ static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2) @@ -468,6 +473,45 @@ static inline abi_long do_freebsd11_getdents(abi_long arg1, return ret; } +/* getdirecentries(2) */ +static inline abi_long do_freebsd11_getdirentries(abi_long arg1, + abi_ulong arg2, abi_long nbytes, abi_ulong arg4) +{ + abi_long ret; + struct freebsd11_dirent *dirp; + long basep; + + dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); + if (dirp == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(freebsd11_getdirentries(arg1, (char *)dirp, nbytes, &basep)); + if (!is_error(ret)) { + struct freebsd11_dirent *de; + int len = ret; + int reclen; + + de = dirp; + while (len > 0) { + reclen = de->d_reclen; + if (reclen > len) { + return -TARGET_EFAULT; + } + de->d_reclen = tswap16(reclen); + de->d_fileno = tswap32(de->d_fileno); + len -= reclen; + de = (struct freebsd11_dirent *)((void *)de + reclen); + } + } + unlock_user(dirp, arg2, ret); + if (arg4) { + if (put_user(basep, arg4, abi_ulong)) { + return -TARGET_EFAULT; + } + } + return ret; +} + /* getdirecentries(2) */ static inline abi_long do_freebsd_getdirentries(abi_long arg1, abi_ulong arg2, abi_long nbytes, abi_ulong arg4) -- 2.40.0