1 files changed, 11 insertions, 1 deletions
diff --git a/roots.cpp b/roots.cpp
index 4fcd6feb9..7dc4ec3d9 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -18,6 +18,7 @@
 
 #include <ctype.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -44,6 +45,7 @@
 
 static struct fstab* fstab = nullptr;
 static bool did_map_logical_partitions = false;
+static constexpr const char* SYSTEM_ROOT = "/system";
 
 extern struct selabel_handle* sehandle;
 
@@ -66,7 +68,7 @@ void load_volume_table() {
   printf("=========================\n");
   for (int i = 0; i < fstab->num_entries; ++i) {
     const Volume* v = &fstab->recs[i];
-    printf("  %d %s %s %s %lld\n", i, v->mount_point, v->fs_type, v->blk_device, v->length);
+    printf("  %d %s %s %s %" PRId64 "\n", i, v->mount_point, v->fs_type, v->blk_device, v->length);
   }
   printf("\n");
 }
@@ -407,3 +409,11 @@ int setup_install_mounts() {
 bool logical_partitions_mapped() {
   return did_map_logical_partitions;
 }
+
+std::string get_system_root() {
+  if (volume_for_mount_point(SYSTEM_ROOT) == nullptr) {
+    return "/";
+  } else {
+    return SYSTEM_ROOT;
+  }
+}