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| Rev | Author | Line No. | Line |
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| 6536 | serge | 1 | /* |
| 2 | * Copyright (c) 1990 The Regents of the University of California. |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms are permitted |
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| 6 | * provided that the above copyright notice and this paragraph are |
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| 7 | * duplicated in all such forms and that any documentation, |
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| 8 | * advertising materials, and other materials related to such |
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| 9 | * distribution and use acknowledge that the software was developed |
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| 10 | * by the University of California, Berkeley. The name of the |
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| 11 | * University may not be used to endorse or promote products derived |
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| 12 | * from this software without specific prior written permission. |
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| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
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| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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| 16 | */ |
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| 17 | |||
| 18 | /* |
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| 19 | FUNCTION |
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| 20 | < |
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| 21 | |||
| 22 | INDEX |
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| 23 | fsetpos |
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| 24 | INDEX |
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| 25 | _fsetpos_r |
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| 26 | |||
| 27 | ANSI_SYNOPSIS |
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| 28 | #include |
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| 29 | int fsetpos(FILE *<[fp]>, const fpos_t *<[pos]>); |
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| 30 | int _fsetpos_r(struct _reent *<[ptr]>, FILE *<[fp]>, |
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| 31 | const fpos_t *<[pos]>); |
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| 32 | |||
| 33 | TRAD_SYNOPSIS |
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| 34 | #include |
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| 35 | int fsetpos(<[fp]>, <[pos]>) |
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| 36 | FILE *<[fp]>; |
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| 37 | fpos_t *<[pos]>; |
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| 38 | |||
| 39 | int _fsetpos_r(<[ptr]>, <[fp]>, <[pos]>) |
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| 40 | struct _reent *<[ptr]>; |
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| 41 | FILE *<[fp]>; |
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| 42 | fpos_t *<[pos]>; |
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| 43 | |||
| 44 | DESCRIPTION |
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| 45 | Objects of type < |
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| 46 | of the file your program has already read. Many of the < |
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| 47 | depend on this position, and many change it as a side effect. |
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| 48 | |||
| 49 | You can use < |
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| 50 | position <<*<[pos]>>> (after first recording it with < |
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| 51 | |||
| 52 | See < |
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| 53 | |||
| 54 | RETURNS |
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| 55 | < |
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| 56 | result is <<1>>. The reason for failure is indicated in < |
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| 57 | either < |
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| 58 | repositioning) or < |
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| 59 | |||
| 60 | PORTABILITY |
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| 61 | ANSI C requires < |
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| 62 | <<*<[pos]>>> beyond identifying it as written by < |
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| 63 | |||
| 64 | Supporting OS subroutines required: < |
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| 65 | < |
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| 66 | */ |
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| 67 | |||
| 68 | #include <_ansi.h> |
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| 69 | #include |
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| 70 | #include |
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| 71 | |||
| 72 | int |
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| 73 | _DEFUN(_fsetpos_r, (ptr, iop, pos), |
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| 74 | struct _reent * ptr _AND |
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| 75 | FILE * iop _AND |
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| 76 | _CONST _fpos_t * pos) |
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| 77 | { |
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| 78 | int x = _fseek_r (ptr, iop, *pos, SEEK_SET); |
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| 79 | |||
| 80 | if (x != 0) |
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| 81 | return 1; |
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| 82 | return 0; |
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| 83 | } |
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| 84 | |||
| 85 | #ifndef _REENT_ONLY |
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| 86 | |||
| 87 | int |
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| 88 | _DEFUN(fsetpos, (iop, pos), |
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| 89 | FILE * iop _AND |
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| 90 | _CONST _fpos_t * pos) |
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| 91 | { |
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| 92 | return _fsetpos_r (_REENT, iop, pos); |
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| 93 | } |
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| 94 | |||
| 95 | #endif /* !_REENT_ONLY */ |