Fix build on 32-bit systems

This was a weird case of the integer converseys. Fixes #6609.
fish-shell · Feb 15, 2020 · 399a716 · 399a716
1 parent b1bbb58
commit 399a716
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/wutil.cpp b/src/wutil.cpp
@@ -264,10 +264,11 @@ int fd_check_is_remote(int fd) {
     }
     // Linux has constants for these like NFS_SUPER_MAGIC, SMB_SUPER_MAGIC, CIFS_MAGIC_NUMBER but
     // these are in varying headers. Simply hard code them.
-    switch (buf.f_type) {
+    // NOTE: The cast is necessary for 32-bit systems because of the 4-byte CIFS_MAGIC_NUMBER
+    switch ((unsigned int)buf.f_type) {
         case 0x6969:      // NFS_SUPER_MAGIC
         case 0x517B:      // SMB_SUPER_MAGIC
-        case 0xFF534D42:  // CIFS_MAGIC_NUMBER
+        case 0xFF534D42u:  // CIFS_MAGIC_NUMBER
             return 1;
         default:
             // Other FSes are assumed local.