diff options
Diffstat (limited to 'sysdeps/unix/getlogin.c')
| -rw-r--r-- | sysdeps/unix/getlogin.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/unix/getlogin.c b/sysdeps/unix/getlogin.c index 4752685f86..7345af0886 100644 --- a/sysdeps/unix/getlogin.c +++ b/sysdeps/unix/getlogin.c @@ -33,6 +33,7 @@ getlogin (void) { char tty_pathname[2 + 2 * NAME_MAX]; char *real_tty_path = tty_pathname; + int err; char *result = NULL; static char name[UT_NAMESIZE + 1]; struct utmp *ut, line, buffer; @@ -46,8 +47,12 @@ getlogin (void) thing to do. Note that ttyname(open("/dev/tty")) on those systems returns /dev/tty, so that is not a possible solution for getlogin(). */ - if (__ttyname_r (0, real_tty_path, sizeof (tty_pathname)) != 0) - return NULL; + err = __ttyname_r (0, real_tty_path, sizeof (tty_pathname)); + if (err != 0) + { + __set_errno (err); + return NULL; + } real_tty_path += 5; /* Remove "/dev/". */ |