xref: /llvm-project/libc/src/stdio/gpu/fread.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
11e573f37SJoseph Huber //===-- GPU Implementation of fread ---------------------------------------===//
21e573f37SJoseph Huber //
31e573f37SJoseph Huber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
41e573f37SJoseph Huber // See https://llvm.org/LICENSE.txt for license information.
51e573f37SJoseph Huber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
61e573f37SJoseph Huber //
71e573f37SJoseph Huber //===----------------------------------------------------------------------===//
81e573f37SJoseph Huber 
91e573f37SJoseph Huber #include "src/stdio/fread.h"
10*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
111e573f37SJoseph Huber #include "src/stdio/gpu/file.h"
121e573f37SJoseph Huber 
135aed6d67SMichael Jones #include "hdr/types/FILE.h"
141e573f37SJoseph Huber 
15*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
161e573f37SJoseph Huber 
171e573f37SJoseph Huber LLVM_LIBC_FUNCTION(size_t, fread,
181e573f37SJoseph Huber                    (void *__restrict buffer, size_t size, size_t nmemb,
191e573f37SJoseph Huber                     ::FILE *stream)) {
201e573f37SJoseph Huber   if (size == 0 || nmemb == 0)
211e573f37SJoseph Huber     return 0;
221e573f37SJoseph Huber   auto result = file::read(stream, buffer, size * nmemb);
231e573f37SJoseph Huber   return result / size;
241e573f37SJoseph Huber }
251e573f37SJoseph Huber 
26*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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