summaryrefslogtreecommitdiff
path: root/lib/libc/include/multi-file.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/include/multi-file.h')
-rw-r--r--lib/libc/include/multi-file.h50
1 files changed, 0 insertions, 50 deletions
diff --git a/lib/libc/include/multi-file.h b/lib/libc/include/multi-file.h
deleted file mode 100644
index a04a031..0000000
--- a/lib/libc/include/multi-file.h
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2022 The Fuchsia Authors
-//
-// 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_MULTI_FILE_H_
-#define ZIRCON_KERNEL_LIB_LIBC_INCLUDE_MULTI_FILE_H_
-
-#include <stdio.h>
-
-#include <ktl/array.h>
-#include <ktl/forward.h>
-#include <ktl/string_view.h>
-#include <ktl/type_traits.h>
-
-// MultiFile broadcasts Write calls across multiple FILE* pointers. Each
-// pointer is ignored if it's null. MultiFile::Write always returns success,
-// ignoring any failures or short writes from the underlying FILE objects.
-template <size_t N>
-class MultiFile : public FILE {
- public:
- using FileArray = ktl::array<FILE*, N>;
-
- constexpr MultiFile() : FILE{this} {}
-
- constexpr explicit MultiFile(const FileArray& files) : FILE{this}, files_(files) {}
-
- constexpr MultiFile(const MultiFile& other) : MultiFile(other.files_) {}
-
- FileArray& files() { return files_; }
- const FileArray& files() const { return files_; }
-
- int Write(ktl::string_view str) {
- for (FILE* file : files_) {
- if (file) {
- file->Write(str);
- }
- }
- return static_cast<int>(str.size());
- }
-
- private:
- FileArray files_ = {};
-};
-
-template <size_t N>
-MultiFile(const ktl::array<FILE*, N>&) -> MultiFile<N>;
-
-#endif // ZIRCON_KERNEL_LIB_LIBC_INCLUDE_MULTI_FILE_H_