xref: /aosp_15_r20/external/llvm-libc/src/stdio/gpu/fread.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- GPU Implementation of fread ---------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "src/stdio/fread.h"
10 #include "src/__support/macros/config.h"
11 #include "src/stdio/gpu/file.h"
12 
13 #include "hdr/types/FILE.h"
14 
15 namespace LIBC_NAMESPACE_DECL {
16 
17 LLVM_LIBC_FUNCTION(size_t, fread,
18                    (void *__restrict buffer, size_t size, size_t nmemb,
19                     ::FILE *stream)) {
20   if (size == 0 || nmemb == 0)
21     return 0;
22   auto result = file::read(stream, buffer, size * nmemb);
23   return result / size;
24 }
25 
26 } // namespace LIBC_NAMESPACE_DECL
27