UnGNUify the codebase

1 files changed, 7 insertions, 2 deletions

diff --git a/swaylock/main.c b/swaylock/main.c
index 49b24a3a..9b33aab9 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -1,3 +1,4 @@
+#define _XOPEN_SOURCE 500
 #include "wayland-swaylock-client-protocol.h"
 #include <xkbcommon/xkbcommon.h>
 #include <xkbcommon/xkbcommon-names.h>
@@ -460,12 +461,16 @@ int main(int argc, char **argv) {
                 case 'u':
                         show_indicator = false;
                         break;
-                case 'f':
-                        if (daemon(0, 0) != 0) {
+                case 'f': {
+                        pid_t t = fork();
+                        if (t == -1) {
                                 sway_log(L_ERROR, "daemon call failed");
                                 exit(EXIT_FAILURE);
+                        } else if (t > 0) {
+                                exit(0);
                         }
                         break;
+                }
                 case 'r':
                         if (line_source != LINE_SOURCE_DEFAULT) {
                                 sway_log(L_ERROR, "line source options conflict");