Cleanup pidfile-gerneration

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 89dfd369588842fd647288598d0648d6a71e8f0d..8149738ade5d6d84cc88d7c14c55a8639236c232 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -254,19 +254,15 @@ int main(_unused int argc, char* const argv[])
                        return 4;
                }
 
-               char pidbuf[128];
                if (!pidfile) {
-                       snprintf(pidbuf, sizeof(pidbuf),
-                                       "/var/run/odhcp6c.%s.pid", ifname);
-                       pidfile = pidbuf;
+                       snprintf((char*)buf, sizeof(buf), "/var/run/odhcp6c.%s.pid", ifname);
+                       pidfile = (char*)buf;
                }
 
-               int fd = open(pidfile, O_WRONLY | O_CREAT, 0644);
-               if (fd >= 0) {
-                       char buf[8];
-                       int len = snprintf(buf, sizeof(buf), "%i\n", getpid());
-                       write(fd, buf, len);
-                       close(fd);
+               FILE *fp = fopen(pidfile, "w");
+               if (fp) {
+                       fprintf(fp, "%i\n", getpid());
+                       fclose(fp);
                }
        }