diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/mach/hurd/getlogin_r.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sysdeps/mach/hurd/getlogin_r.c b/sysdeps/mach/hurd/getlogin_r.c index 2539e6b0a0..5410709e71 100644 --- a/sysdeps/mach/hurd/getlogin_r.c +++ b/sysdeps/mach/hurd/getlogin_r.c @@ -29,13 +29,20 @@ getlogin_r (name, name_len) char *name; size_t name_len; { - static char login[1024]; /* XXX */ + string_t login; error_t err; if (err = __USEPORT (PROC, __proc_getlogin (port, login))) return errno = err; - strncpy (name, login, name_len); + size_t len = __strnlen (login, sizeof login - 1) + 1; + if (len > name_len) + { + errno = ERANGE; + return errno; + } + + memcpy (name, login, len); return 0; } libc_hidden_def (getlogin_r) |