Only check errno if getpwuid() fails Checking errno otherwise is unspecified.
1 files changed, 6 insertions(+), 4 deletions(-) M slock.c
M slock.c => slock.c +6 -4
@@ 67,10 67,12 @@ getpw(void) { /* only run as root */ errno = 0; pw = getpwuid(getuid()); if (errno) die("slock: getpwuid: %s\n", strerror(errno)); else if (!pw) die("slock: cannot retrieve password entry (make sure to suid or sgid slock)\n"); if (!pw) { if (errno) die("slock: getpwuid: %s\n", strerror(errno)); else die("slock: cannot retrieve password entry (make sure to suid or sgid slock)\n"); } endpwent(); rval = pw->pw_passwd;