Added fs::try_stat()

couchbaselabs · Jul 28, 2024 · a28e0d8 · a28e0d8
1 parent ae1181f
commit a28e0d8
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/include/crouton/io/Filesystem.hh b/include/crouton/io/Filesystem.hh
@@ -17,6 +17,7 @@
 //
 
 #pragma once
+#include "crouton/Result.hh"
 #include "crouton/Generator.hh"
 
 namespace crouton::io {
@@ -87,7 +88,12 @@ namespace crouton::io::fs {
     };
 
     /// Returns all the metadata for the item at that path.
-    statBuf stat(const char* path, bool followSymlink =true);
+    Result<statBuf> try_stat(const char* path, bool followSymlink =true);
+
+    /// Returns all the metadata for the item at that path.
+    inline statBuf stat(const char* path, bool followSymlink =true) {
+        return try_stat(path, followSymlink).value();
+    }
 
     /// Returns all the metadata for an open file.
     statBuf fstat(FileStream const&);

diff --git a/src/io/uv/Filesystem.cc b/src/io/uv/Filesystem.cc
@@ -72,15 +72,17 @@ namespace crouton::io::fs {
         return result;
     }
 
-    statBuf stat(const char* path, bool followSymlink) {
+    Result<statBuf> try_stat(const char* path, bool followSymlink) {
         fs_request req;
         int err;
         if (followSymlink)
             err = uv_fs_stat(curLoop(), &req, path, nullptr);
         else
             err = uv_fs_lstat(curLoop(), &req, path, nullptr);
-        check(err, "stat");
-        return copyStatBuf(req);
+        if (err == 0)
+            return copyStatBuf(req);
+        else
+            return Error(UVError(err));
     }