added dummy error handler to prevent X from terminating slock just in case

diff --git a/slock.c b/slock.c
index be10f5d..2dce109 100644 (file)
--- a/slock.c
+++ b/slock.c
@@ -46,7 +46,7 @@ die(const char *errstr, ...) {
 
 #ifndef HAVE_BSD_AUTH
 static const char *
-get_password(void) { /* only run as root */
+getpw(void) { /* only run as root */
        const char *rval;
        struct passwd *pw;
 
@@ -74,9 +74,9 @@ get_password(void) { /* only run as root */
 
 static void
 #ifdef HAVE_BSD_AUTH
-read_password(Display *dpy)
+readpw(Display *dpy)
 #else
-read_password(Display *dpy, const char *pws)
+readpw(Display *dpy, const char *pws)
 #endif
 {
        char buf[32], passwd[256];
@@ -213,6 +213,11 @@ usage(void) {
        exit(EXIT_FAILURE);
 }
 
+static int
+xerrordummy(Display *dpy, XErrorEvent *ee) {
+       return 0;
+}
+
 int
 main(int argc, char **argv) {
 #ifndef HAVE_BSD_AUTH
@@ -224,7 +229,7 @@ main(int argc, char **argv) {
        struct st_lock **locks;
 
        if((argc == 2) && !strcmp("-v", argv[1]))
-               die("slock-%s, © 2006-2008 Anselm R Garbe", VERSION);
+               die("slock-%s, © 2006-2012 Anselm R Garbe", VERSION);
        else if(argc != 1)
                usage();
 
@@ -232,12 +237,13 @@ main(int argc, char **argv) {
                die("no passwd entry for you");
 
 #ifndef HAVE_BSD_AUTH
-       pws = get_password();
+       pws = getpw();
 #endif
 
        if(!(dpy = XOpenDisplay(0)))
                die("cannot open display");
-
+       /* prevent default error handler to take over */
+       XSetErrorHandler(xerrordummy);
        /* Get the number of screens in display "dpy" and blank them all. */
        nscreens = ScreenCount(dpy);
        locks = malloc(sizeof(struct st_lock *) * nscreens);
@@ -251,9 +257,9 @@ main(int argc, char **argv) {
 
        /* Everything is now blank. Now wait for the correct password. */
 #ifdef HAVE_BSD_AUTH
-       read_password(dpy);
+       readpw(dpy);
 #else
-       read_password(dpy, pws);
+       readpw(dpy, pws);
 #endif
 
        /* Password ok, unlock everything and quit. */