diff options
Diffstat (limited to 'libc/stdio1/fgetc.c')
-rw-r--r-- | libc/stdio1/fgetc.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/stdio1/fgetc.c b/libc/stdio1/fgetc.c new file mode 100644 index 0000000..2c41062 --- /dev/null +++ b/libc/stdio1/fgetc.c @@ -0,0 +1,39 @@ +/* + Copyright (C) 1996 Joel N. Weber II <nemo@koa.iolani.honolulu.hi.us> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "stdio.h" + +/* + * Make this not dependent on getc() then we can: + #define getc(fp) fgetc(fp) + * if memory is _really_ tight. + */ + +int fgetc(stream) +FILE *stream; +{ + if( stream->ungetted ) + { + stream->ungetted = 0; + return stream->ungetchar; + } + if( stream->bufpos == stream->bufread ) + return __ffillbuf(stream); + else + return *stream->bufpos++; +} |