| 1 | /* Copyright (C) 1993-2020 Free Software Foundation, Inc. | 
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| 2 | This file is part of the GNU C Library. | 
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| 3 |  | 
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| 4 | The GNU C Library is free software; you can redistribute it and/or | 
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| 5 | modify it under the terms of the GNU Lesser General Public | 
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| 6 | License as published by the Free Software Foundation; either | 
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| 7 | version 2.1 of the License, or (at your option) any later version. | 
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| 8 |  | 
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| 9 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 12 | Lesser General Public License for more details. | 
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| 13 |  | 
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| 14 | You should have received a copy of the GNU Lesser General Public | 
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| 15 | License along with the GNU C Library; if not, see | 
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| 16 | <https://www.gnu.org/licenses/>. | 
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| 17 |  | 
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| 18 | As a special exception, if you link the code in this file with | 
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| 19 | files compiled with a GNU compiler to produce an executable, | 
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| 20 | that does not cause the resulting executable to be covered by | 
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| 21 | the GNU Lesser General Public License.  This exception does not | 
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| 22 | however invalidate any other reasons why the executable file | 
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| 23 | might be covered by the GNU Lesser General Public License. | 
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| 24 | This exception applies to code released by its copyright holders | 
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| 25 | in files containing the exception.  */ | 
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| 26 |  | 
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| 27 | #include <errno.h> | 
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| 28 | #include "libioP.h" | 
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| 29 | #include "stdio.h" | 
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| 30 |  | 
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| 31 | /* fseeko.c defines this as an alias if __OFF_T_MATCHES_OFF64_T.  */ | 
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| 32 | #ifndef __OFF_T_MATCHES_OFF64_T | 
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| 33 |  | 
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| 34 | int | 
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| 35 | __fseeko64 (FILE *fp, off64_t offset, int whence) | 
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| 36 | { | 
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| 37 | int result; | 
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| 38 | CHECK_FILE (fp, -1); | 
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| 39 | _IO_acquire_lock (fp); | 
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| 40 | result = _IO_fseek (fp, offset, whence); | 
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| 41 | _IO_release_lock (fp); | 
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| 42 | return result; | 
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| 43 | } | 
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| 44 | libc_hidden_def (__fseeko64) | 
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| 45 | weak_alias (__fseeko64, fseeko64) | 
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| 46 | #endif | 
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| 47 |  | 
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