1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/mcpc/src/retbuf.h b/third_party/mcpc/src/retbuf.h
new file mode 100644
index 0000000..eadcce4
--- /dev/null
+++ b/third_party/mcpc/src/retbuf.h
@@ -0,0 +1,50 @@
+// This file is part of the mcpc library.
+//
+// Copyright (C) 2025 Michael Lee <micl2e2 AT proton.me>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions: 
+// 
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software. 
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef h_retbuf
+#define h_retbuf
+
+#include <stdarg.h>
+
+#include <mcpc/_c23_uchar.h>
+
+#include "ext_stdint.h"
+
+
+typedef struct retbuf
+{
+  const size_t cap;
+  char *const buf0;
+  size_t *len;
+} retbuf_t;
+
+retbuf_t retbuf_new (size_t cap, size_t *len);
+
+void retbuf_free (retbuf_t rtbf);
+
+u8_t rtbuf_printf_adv (retbuf_t rtbf, size_t advl, const char8_t * u8str, ...);
+
+u8_t rtbuf_printf (retbuf_t rtbf, const char8_t * u8str, ...);
+
+u8_t rtbuf_printf_mjfmt (retbuf_t rtbf, const char8_t * u8str, ...);
+
+
+#endif