libc/src/stdio/gpu/fgetc.cpp

   1 //===-- GPU implementation of fgetc ---------------------------------------===//
   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/fgetc.h"
  10 #include "file.h"
  11 #include "src/__support/macros/config.h"
  12
  13 #include "hdr/stdio_macros.h" // for EOF.
  14 #include "hdr/types/FILE.h"
  15
  16 namespace LIBC_NAMESPACE_DECL {
  17
  18 LLVM_LIBC_FUNCTION(int, fgetc, (::FILE * stream)) {
  19   unsigned char c;
  20   size_t r = file::read(stream, &c, 1);
  21
  22   if (r != 1)
  23     return EOF;
  24   return c;
  25 }
  26
  27 } // namespace LIBC_NAMESPACE_DECL