67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2014.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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stdio/stdio.cpp
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Sets up stdin, stdout, stderr.
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*******************************************************************************/
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "fdio.h"
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static struct fdio_state stdin_fdio = { NULL, 0 };
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static struct fdio_state stdout_fdio = { NULL, 1 };
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static struct fdio_state stderr_fdio = { NULL, 2 };
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static FILE stdin_file;
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static FILE stdout_file;
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static FILE stderr_file;
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extern "C" { FILE* stdin = &stdin_file; }
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extern "C" { FILE* stdout = &stdout_file; }
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extern "C" { FILE* stderr = &stderr_file; }
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static void bootstrap_stdio(FILE* fp, struct fdio_state* fdio, int file_flags)
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{
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fresetfile(fp);
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fp->flags |= file_flags;
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fp->user = fdio;
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fp->reopen_func = fdio_reopen;
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fp->read_func = fdio_read;
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fp->write_func = fdio_write;
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fp->seek_func = fdio_seek;
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fp->fileno_func = fdio_fileno;
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fp->close_func = fdio_close;
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fregister(fp);
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}
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extern "C" void init_stdio()
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{
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bootstrap_stdio(stdin, &stdin_fdio, _FILE_READABLE);
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bootstrap_stdio(stdout, &stdout_fdio, _FILE_WRITABLE);
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bootstrap_stdio(stderr, &stderr_fdio, _FILE_WRITABLE);
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stderr->buffer_mode = _IONBF;
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}
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