| #define _GNU_SOURCE |
| #include "stdio_impl.h" |
| #include <stdio_ext.h> |
| |
| void _flushlbf(void) |
| { |
| fflush(0); |
| } |
| |
| int __fsetlocking(FILE *f, int type) |
| { |
| return 0; |
| } |
| |
| int __fwriting(FILE *f) |
| { |
| return f->wend && f->wpos > f->wbase; |
| } |
| |
| int __freading(FILE *f) |
| { |
| return f->rend > f->rpos; |
| } |
| |
| int __freadable(FILE *f) |
| { |
| return !(f->flags & F_NORD); |
| } |
| |
| int __fwritable(FILE *f) |
| { |
| return !(f->flags & F_NOWR); |
| } |
| |
| int __flbf(FILE *f) |
| { |
| return f->lbf >= 0; |
| } |
| |
| size_t __fbufsize(FILE *f) |
| { |
| return f->buf_size; |
| } |
| |
| size_t __fpending(FILE *f) |
| { |
| return f->wend ? f->wpos - f->wbase : 0; |
| } |
| |
| int __fpurge(FILE *f) |
| { |
| f->wpos = f->wbase = f->wend = 0; |
| f->rpos = f->rend = 0; |
| return 0; |
| } |
| |
| weak_alias(__fpurge, fpurge); |