From 8cace3f05003c6cb4d38c36890055f03151c2ad4 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Fri, 16 Oct 2026 02:39:56 +0800
Subject: Remove old code

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
---
 lib/libc/include/string-file.h | 79 ------------------------------------------
 1 file changed, 79 deletions(-)
 delete mode 100644 lib/libc/include/string-file.h

(limited to 'lib/libc/include/string-file.h')

diff --git a/lib/libc/include/string-file.h b/lib/libc/include/string-file.h
deleted file mode 100644
index 1632933..0000000
--- a/lib/libc/include/string-file.h
+++ /dev/null
@@ -1,79 +0,0 @@
-// Copyright 2021 The Fuchsia Authors
-// Copyright (c) 2008 Travis Geiselbrecht
-//
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file or at
-// https://opensource.org/licenses/MIT
-
-#ifndef ZIRCON_KERNEL_LIB_LIBC_INCLUDE_STRING_FILE_H_
-#define ZIRCON_KERNEL_LIB_LIBC_INCLUDE_STRING_FILE_H_
-
-#ifdef __cplusplus
-#include <stdio.h>
-
-#include <ktl/algorithm.h>
-#include <ktl/span.h>
-#include <ktl/string_view.h>
-
-// FILE* wrapper over a string.
-class StringFile : public FILE {
- public:
-  StringFile() = delete;
-  StringFile(const StringFile &) = delete;
-  StringFile operator=(const StringFile &) = delete;
-
-  explicit StringFile(ktl::span<char> s) : FILE(this), buffer_(s) {}
-
-  ~StringFile() = default;
-
-  // Adds a null character at the end of the current buffer and returns a view
-  // into the written section.
-  ktl::span<char> take() &&;
-
-  // Returns |str.size()| and writes as much of |str| as it would fit in the
-  // buffer [offest_, size - 1) while reserving the last byte for null
-  // character.
-  int Write(ktl::string_view str);
-
-  // Returns a region representing the currently used portion of the buffer.
-  ktl::span<char> used_region() const {
-    return (offset_ > 0) ? ktl::span<char>{buffer_.data(), offset_} : ktl::span<char>{};
-  }
-
-  // Returns a region representing the remaining unused space in the buffer,
-  // _not_ including the space reserved for the final null character.
-  ktl::span<char> available_region() const {
-    const size_t available = ktl::max<size_t>(buffer_.size() - offset_, 1) - 1;
-    return (available > 0) ? ktl::span<char>{buffer_.data() + offset_, available}
-                            : ktl::span<char>{};
-  }
-
-  // Skip up to |amt| bytes in the buffer, advancing the write pointer as if we
-  // had written data, but without actually changing the buffer.
-  void Skip(size_t amt) {
-    amt = ktl::min(amt, available_region().size());
-    offset_ += amt;
-  }
-
-  // Provide two ways for users to convert the currently used buffer into a
-  // string_view.  Given a string file |S|, users may say either:
-  //
-  // 1) S.as_string_view();   // or
-  // 2) static_cast<ktl::string_view>(S);
-  //
-  // to perform the conversion.
-  //
-  ktl::string_view as_string_view() const {
-    return (offset_ > 0) ? ktl::string_view{buffer_.data(), offset_} : ktl::string_view{};
-  }
-
-  explicit operator ktl::string_view() const { return this->as_string_view(); }
-
- private:
-  ktl::span<char> buffer_;
-  size_t offset_ = 0;
-};
-
-#endif  // __cplusplus
-
-#endif  // ZIRCON_KERNEL_LIB_LIBC_INCLUDE_STRING_FILE_H_
-- 
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