evdev: modify a readdir() to readdir_r() for threads safety

Change-Id: Ibfd75463a90d74743b58bcdc68bc4c86e9d6daf2

diff --git a/src/lib/evdev/evdev.c b/src/lib/evdev/evdev.c
index 9121763..5240b4e 100644 (file)
--- a/src/lib/evdev/evdev.c
+++ b/src/lib/evdev/evdev.c
@@ -251,20 +251,24 @@ pepper_evdev_device_probe(pepper_evdev_t *evdev, uint32_t caps)
        uint32_t probed = 0;
 
        DIR *dir_info = NULL;
-       struct dirent *dir_entry = NULL;
+       struct dirent *dir_entry = NULL, dir_prev;
+       int ret = 0;
 
        /* Probe event device nodes under /dev/input */
        dir_info = opendir("/dev/input/");
 
        if (dir_info)
        {
-               while ((dir_entry = readdir(dir_info)))
+               ret = readdir_r(dir_info, &dir_prev, &dir_entry);
+               while ((ret == 0) && (dir_entry != NULL))
                {
                        if (!strncmp(dir_entry->d_name, "event", 5))
                        {
                                if (caps & WL_SEAT_CAPABILITY_KEYBOARD)
                                        probed += _evdev_keyboard_device_open(evdev, dir_entry->d_name);
                        }
+                       dir_prev = *dir_entry;
+                       ret = readdir_r(dir_info, &dir_prev, &dir_entry);
                }
 
                closedir(dir_info);