udhcp: use fdprintf for pidfile creation (smaller code)

diff --git a/networking/udhcp/pidfile.c b/networking/udhcp/pidfile.c
index bcb2608..be65d5f 100644 (file)
--- a/networking/udhcp/pidfile.c
+++ b/networking/udhcp/pidfile.c
@@ -52,15 +52,9 @@ int pidfile_acquire(const char *pidfile)
 
 void pidfile_write_release(int pid_fd)
 {
-       FILE *out;
-
        if (pid_fd < 0) return;
 
-       out = fdopen(pid_fd, "w");
-       if (out) {
-               fprintf(out, "%d\n", getpid());
-               fclose(out);
-       }
+       fdprintf(pid_fd, "%d\n", getpid());
        lockf(pid_fd, F_UNLCK, 0);
        close(pid_fd);
 }