diff --git a/adb/get_my_path_darwin.c b/adb/get_my_path_darwin.c
index 65dd226..ff1396c 100644
--- a/adb/get_my_path_darwin.c
+++ b/adb/get_my_path_darwin.c
@@ -24,7 +24,7 @@
     CFStringRef executablePathString = CFURLCopyFileSystemPath(executableURL, kCFURLPOSIXPathStyle);
     CFRelease(executableURL);
 
-    CFStringGetCString(executablePathString, s, maxLen, kCFStringEncodingASCII);
+    CFStringGetFileSystemRepresentation(executablePathString, s, maxLen);
     CFRelease(executablePathString);
 }
 
diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index 1b73521..c483850 100755
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -186,6 +186,8 @@
 #define VENDOR_ID_TOSHIBA       0x0930
 // TrekStor's USB Vendor ID
 #define VENDOR_ID_TREKSTOR      0x1E68
+// Ubiquiti Networks's USB Vendor ID
+#define VENDOR_ID_UBNT          0x1f9b
 // Unowhy's USB Vendor ID
 #define VENDOR_ID_UNOWHY        0x2A49
 // Vizio's USB Vendor ID
@@ -280,6 +282,7 @@
     VENDOR_ID_TI,
     VENDOR_ID_TOSHIBA,
     VENDOR_ID_TREKSTOR,
+    VENDOR_ID_UBNT,
     VENDOR_ID_UNOWHY,
     VENDOR_ID_VIZIO,
     VENDOR_ID_WACOM,
diff --git a/fastboot/util_osx.c b/fastboot/util_osx.c
index a8f5c31..e718562 100644
--- a/fastboot/util_osx.c
+++ b/fastboot/util_osx.c
@@ -36,7 +36,7 @@
     CFStringRef executablePathString = CFURLCopyFileSystemPath(executableURL, kCFURLPOSIXPathStyle);
     CFRelease(executableURL);
 
-    CFStringGetCString(executablePathString, s, PATH_MAX-1, kCFStringEncodingASCII);
+    CFStringGetFileSystemRepresentation(executablePathString, s, PATH_MAX-1);
     CFRelease(executablePathString);
 
 	char *x;
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 49f5903..4b09f24 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -20,6 +20,7 @@
 #include <assert.h>
 #include <dirent.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -100,7 +101,7 @@
 
     ctx->buf_len += ret;
     ctx->buf[ctx->buf_len] = 0;
-    SLOGV("Read %d to buffer: %s", ret, ctx->buf);
+    SLOGV("Read %zd to buffer: %s", ret, ctx->buf);
 
     assert(ctx->buf_len <= sizeof(ctx->buf));
 
@@ -251,7 +252,7 @@
 {
     int processes;
     int sleep_us = 100;
-    long startTime = android::uptimeMillis();
+    int64_t startTime = android::uptimeMillis();
 
     while ((processes = killProcessGroupOnce(uid, initialPid, signal)) > 0) {
         SLOGV("killed %d processes for processgroup %d\n", processes, initialPid);
@@ -265,7 +266,7 @@
         }
     }
 
-    SLOGV("Killed process group uid %d pid %d in %ldms, %d procs remain", uid, initialPid,
+    SLOGV("Killed process group uid %d pid %d in %" PRId64 "ms, %d procs remain", uid, initialPid,
             android::uptimeMillis()-startTime, processes);
 
     if (processes == 0) {
@@ -279,12 +280,12 @@
 {
     int ret;
 
-    ret = mkdir(path, 0750);
+    ret = mkdir(path, mode);
     if (ret < 0 && errno != EEXIST) {
         return -errno;
     }
 
-    ret = chown(path, AID_SYSTEM, AID_SYSTEM);
+    ret = chown(path, uid, gid);
     if (ret < 0) {
         ret = -errno;
         rmdir(path);