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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ |
| 2 | #include |
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| 3 | #include |
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| 4 | |||
| 5 | int |
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| 6 | fpurge(FILE *f) |
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| 7 | { |
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| 8 | char *base; |
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| 9 | |||
| 10 | if ((f->_flag&(_IONBF|_IOWRT))==_IOWRT |
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| 11 | && (base = f->_base) != NULL |
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| 12 | && (f->_ptr - base) > 0) |
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| 13 | { |
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| 14 | f->_ptr = base; |
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| 15 | f->_cnt = (f->_flag&(_IOLBF|_IONBF)) ? 0 : f->_bufsiz; |
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| 16 | } |
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| 17 | return 0; |
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| 18 | } |