xref: /llvm-project/libc/src/stdio/gpu/getc.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
1a1be5d69SJoseph Huber //===-- GPU implementation of getc ----------------------------------------===//
2a1be5d69SJoseph Huber //
3a1be5d69SJoseph Huber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4a1be5d69SJoseph Huber // See https://llvm.org/LICENSE.txt for license information.
5a1be5d69SJoseph Huber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6a1be5d69SJoseph Huber //
7a1be5d69SJoseph Huber //===----------------------------------------------------------------------===//
8a1be5d69SJoseph Huber 
9a1be5d69SJoseph Huber #include "src/stdio/getc.h"
10a1be5d69SJoseph Huber #include "file.h"
11*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
12a1be5d69SJoseph Huber 
135aed6d67SMichael Jones #include "hdr/stdio_macros.h" // for EOF.
145aed6d67SMichael Jones #include "hdr/types/FILE.h"
15a1be5d69SJoseph Huber 
16*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
17a1be5d69SJoseph Huber 
18a1be5d69SJoseph Huber LLVM_LIBC_FUNCTION(int, getc, (::FILE * stream)) {
19a1be5d69SJoseph Huber   unsigned char c;
20a1be5d69SJoseph Huber   size_t r = file::read(stream, &c, 1);
21a1be5d69SJoseph Huber 
22a1be5d69SJoseph Huber   if (r != 1)
23a1be5d69SJoseph Huber     return EOF;
24a1be5d69SJoseph Huber   return c;
25a1be5d69SJoseph Huber }
26a1be5d69SJoseph Huber 
27*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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