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-rw-r--r--src/rename_device.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/rename_device.c b/src/rename_device.c
index f96291b0..c6a99152 100644
--- a/src/rename_device.c
+++ b/src/rename_device.c
@@ -241,7 +241,10 @@ void take_lock() {
while (1) {
lockfd = open(LOCKFILE, O_RDWR|O_CREAT|O_EXCL, 0644);
if (lockfd != -1) {
- write(lockfd,"%d\n",getpid());
+ char buf[32];
+
+ snprintf(buf,32,"%d\n",getpid());
+ write(lockfd,buf,strlen(buf));
close(lockfd);
break;
}