mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
9ad7690c74
These changes aim to make the stdio functions much more stable, flexible, correct and bugfree.
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
|
|
|
|
This file is part of the Sortix C Library.
|
|
|
|
The Sortix C Library is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The Sortix C Library is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
fputc.cpp
|
|
Writes a character to a FILE.
|
|
|
|
*******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
|
|
extern "C" int fputc(int c, FILE* fp)
|
|
{
|
|
if ( fp->flags & _FILE_NO_BUFFER )
|
|
{
|
|
unsigned char c_char = c;
|
|
if ( fwrite(&c_char, sizeof(c_char), 1, fp) != 1 )
|
|
return EOF;
|
|
return c;
|
|
}
|
|
|
|
if ( !fp->write_func )
|
|
return EOF; // TODO: ferror doesn't report error!
|
|
|
|
if ( fp->flags & _FILE_LAST_READ )
|
|
fflush_stop_reading(fp);
|
|
fp->flags |= _FILE_LAST_WRITE;
|
|
|
|
if ( fp->amount_output_buffered == fp->buffersize && fflush(fp) != 0 )
|
|
return EOF;
|
|
|
|
fp->buffer[fp->amount_output_buffered++] = c;
|
|
if ( c == '\n' && fflush(fp) != 0 )
|
|
return EOF;
|
|
|
|
return c;
|
|
}
|