slock

simple X display locker utility
git clone git://git.suckless.org/slock
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commit 8745098fa440ef3bf1d8e173dcd91514b34600c6
parent 9db14b10dd09336c6a8fe283f99108c9acc4667a
Author: sin <sin@2f30.org>
Date:   Wed,  9 Jul 2014 14:40:49 +0100

Only check errno if getpwuid() fails

Checking errno otherwise is unspecified.

Diffstat:
slock.c | 10++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/slock.c b/slock.c @@ -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;