1 files changed, 5 insertions, 3 deletions
diff --git a/src/lock.c b/src/lock.c
index 465736c..eb8a3cb 100644
--- a/src/lock.c
+++ b/src/lock.c
@@ -34,7 +34,9 @@
 #include "util.h"
 
 // Where do lockfiles reside?
-#define LOCK_PATH "/var/lock"
+#ifndef LOCK_DIR
+#define LOCK_DIR "/var/lock"
+#endif
 
 static char* lockfile = NULL;
 
@@ -48,10 +50,10 @@ int device_lock(char *dev, char *appname) {
 
     assert(dev && !lockfile);
     
-    if (access(LOCK_PATH, W_OK) < 0)
+    if (access(LOCK_DIR, W_OK) < 0)
         return -1;
         
-    snprintf(path, sizeof(path), "%s/LCK..%s", LOCK_PATH, basename(dev));
+    snprintf(path, sizeof(path), "%s/LCK..%s", LOCK_DIR, basename(dev));
       
     if ((fd = open(path, O_RDONLY)) >= 0) {
         int n = loop_read(fd, buf, sizeof(buf) - 1);