| 1 | #include "stdio_impl.h" |
| 2 | #include <stdio_ext.h> |
| 3 | |
| 4 | size_t __freadahead(FILE *f) |
| 5 | { |
| 6 | return f->rend ? f->rend - f->rpos : 0; |
| 7 | } |
| 8 | |
| 9 | const char *__freadptr(FILE *f, size_t *sizep) |
| 10 | { |
| 11 | if (f->rpos == f->rend) return 0; |
| 12 | *sizep = f->rend - f->rpos; |
| 13 | return (const char *)f->rpos; |
| 14 | } |
| 15 | |
| 16 | void __freadptrinc(FILE *f, size_t inc) |
| 17 | { |
| 18 | f->rpos += inc; |
| 19 | } |
| 20 | |
| 21 | void __fseterr(FILE *f) |
| 22 | { |
| 23 | f->flags |= F_ERR; |
| 24 | } |