Add getOffset:error: implementation to base

gnustep · Sep 13, 2024 · 9c5107e · 9c5107e
1 parent cdbb1cc
commit 9c5107e
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Showing 3 changed files with 22 additions and 1 deletion.
diff --git a/Headers/Foundation/NSFileHandle.h b/Headers/Foundation/NSFileHandle.h
@@ -76,6 +76,9 @@ GS_EXPORT_CLASS
 - (NSData*) readDataToEndOfFile;
 - (NSData*) readDataOfLength: (unsigned int)len;
 - (void) writeData: (NSData*)item;
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_15, GS_API_LATEST)
+- (BOOL) getOffset: (unsigned long long *)offsetInFile error: (NSError **)error;
+#endif
 
 // Asynchronous I/O operations
 

diff --git a/Source/GSFileHandle.m b/Source/GSFileHandle.m
@@ -1439,7 +1439,6 @@ - (void) writeData: (NSData*)item
     }
 }
 
-
 // Asynchronous I/O operations
 
 - (void) acceptConnectionInBackgroundAndNotifyForModes: (NSArray*)modes

diff --git a/Source/NSFileHandle.m b/Source/NSFileHandle.m
@@ -320,6 +320,25 @@ - (void) writeData: (NSData*)item
   [self subclassResponsibility: _cmd];
 }
 
+/**
+ * Get the current position in the file.
+ */
+- (BOOL) getOffset: (unsigned long long *)offsetInFile error: (NSError **)error
+{
+  BOOL result = YES;
+
+  // We can do the concrete implementation here since the method relies on
+  // offsetInFile to get the offset.
+  *error = nil;
+  *offsetInFile = [self offsetInFile];
+  if (*offsetInFile == -1)
+    {
+      *offsetInFile = 0;
+      result = NO;
+    }
+
+  return result;
+}
 
 // Asynchronous I/O operations