diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/getlogin.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/getlogin.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/getlogin.c b/sysdeps/unix/sysv/linux/getlogin.c index 4d15db093d..58e37c4ab4 100644 --- a/sysdeps/unix/sysv/linux/getlogin.c +++ b/sysdeps/unix/sysv/linux/getlogin.c @@ -32,8 +32,9 @@ char * getlogin (void) { - if (__getlogin_r_loginuid (name, sizeof (name)) == 0) - return name; + int res = __getlogin_r_loginuid (name, sizeof (name)); + if (res >= 0) + return res == 0 ? name : NULL; return getlogin_fd0 (); } |