[libc-commits] [libc] [wip] [libc] Implement vasprintf (PR #98824)

[Joseph Huber via libc-commits]

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@@ -22,60 +22,86 @@ namespace LIBC_NAMESPACE_DECL {
 namespace printf_core {
 
 struct WriteBuffer {
+  enum class WriteMode {
+    FILL_BUFF_AND_DROP_OVERFLOW,
+    FLUSH_TO_STREAM,
+    RESIZE_AND_FILL_BUFF,
+    BUTT,
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jhuber6 wrote:

What does buttmode do?

https://github.com/llvm/llvm-project/pull/98824