src/stdio/ext.c

   1 #define _GNU_SOURCE
   2 #include "stdio_impl.h"
   3 #include <stdio_ext.h>
   4
   5 void _flushlbf(void)
   6 {
   7         fflush(0);
   8 }
   9
  10 int __fsetlocking(FILE *f, int type)
  11 {
  12         return 0;
  13 }
  14
  15 int __fwriting(FILE *f)
  16 {
  17         return (f->flags & F_NORD) || f->wend;
  18 }
  19
  20 int __freading(FILE *f)
  21 {
  22         return (f->flags & F_NOWR) || f->rend;
  23 }
  24
  25 int __freadable(FILE *f)
  26 {
  27         return !(f->flags & F_NORD);
  28 }
  29
  30 int __fwritable(FILE *f)
  31 {
  32         return !(f->flags & F_NOWR);
  33 }
  34
  35 int __flbf(FILE *f)
  36 {
  37         return f->lbf >= 0;
  38 }
  39
  40 size_t __fbufsize(FILE *f)
  41 {
  42         return f->buf_size;
  43 }
  44
  45 size_t __fpending(FILE *f)
  46 {
  47         return f->wend ? f->wpos - f->wbase : 0;
  48 }
  49
  50 int __fpurge(FILE *f)
  51 {
  52         f->wpos = f->wbase = f->wend = 0;
  53         f->rpos = f->rend = 0;
  54         return 0;
  55 }
  56
  57 weak_alias(__fpurge, fpurge);