/**************************************************************************** * libs/libc/stdio/lib_fputc.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include "libc.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: fputc ****************************************************************************/ int fputc(int c, FAR FILE *stream) { unsigned char buf = (unsigned char)c; int ret; ret = lib_fwrite(&buf, 1, stream); if (ret > 0) { /* Flush the buffer if a newline is output */ if (c == '\n' && (stream->fs_flags & __FS_FLAG_LBF) != 0) { ret = lib_fflush(stream, true); if (ret < 0) { return EOF; } } return c; } else { return EOF; } }