diff options
Diffstat (limited to 'lib/libc/src/stdio/fdopen.c')
-rw-r--r-- | lib/libc/src/stdio/fdopen.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/lib/libc/src/stdio/fdopen.c b/lib/libc/src/stdio/fdopen.c deleted file mode 100644 index 37352e9..0000000 --- a/lib/libc/src/stdio/fdopen.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <stdio.h> - -#include <unistd.h> - -#define WRITE_BUF_SIZE 128 - -/* TODO: Allocate these once malloc() is implemented */ -static FILE default_stream; -static char default_write_buf[WRITE_BUF_SIZE]; - -FILE* -fdopen(int fd, const char *mode) -{ - FILE *stream; - int flags; - - if (mode == NULL) - return NULL; - - /* Determine stream flags */ - flags = 0; - switch (mode[0]) { - case 'r': - flags |= FILE_READ; - if (mode[1] == '+') { - flags |= FILE_WRITE; - } - break; - case 'w': - case 'a': - flags |= FILE_WRITE; - if (mode[1] == '+') { - flags |= FILE_READ; - } - break; - default: - return NULL; - } - - /* Create stream */ - stream = &default_stream; - stream->fd = fd; - stream->flags = flags; - - /* Create write buffer if needed */ - if (flags & FILE_WRITE) { - stream->write_buf = default_write_buf; - stream->write_pos = stream->write_buf; - stream->write_end = stream->write_buf + WRITE_BUF_SIZE; - } - - return stream; -} |