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Last change
on this file since 2595 was 2595, checked in by bird, 12 years ago |
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gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
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| 1 | /* Open a stream with a given file descriptor.
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| 2 | Copyright (C) 2011-2012 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 3 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program 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
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| 12 | GNU 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 General Public License
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| 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | #include <config.h>
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| 18 |
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| 19 | /* Specification. */
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| 20 | #include <stdio.h>
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| 21 |
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| 22 | #include <errno.h>
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| 23 |
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| 24 | #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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| 25 | # include "msvc-inval.h"
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| 26 | #endif
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| 27 |
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| 28 | #undef fdopen
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| 29 |
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| 30 | #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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| 31 | static FILE *
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| 32 | fdopen_nothrow (int fd, const char *mode)
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| 33 | {
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| 34 | FILE *result;
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| 35 |
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| 36 | TRY_MSVC_INVAL
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| 37 | {
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| 38 | result = fdopen (fd, mode);
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| 39 | }
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| 40 | CATCH_MSVC_INVAL
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| 41 | {
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| 42 | result = NULL;
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| 43 | }
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| 44 | DONE_MSVC_INVAL;
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| 45 |
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| 46 | return result;
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| 47 | }
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| 48 | #else
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| 49 | # define fdopen_nothrow fdopen
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| 50 | #endif
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| 51 |
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| 52 | FILE *
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| 53 | rpl_fdopen (int fd, const char *mode)
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| 54 | {
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| 55 | int saved_errno = errno;
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| 56 | FILE *fp;
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| 57 |
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| 58 | errno = 0;
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| 59 | fp = fdopen_nothrow (fd, mode);
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| 60 | if (fp == NULL)
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| 61 | {
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| 62 | if (errno == 0)
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| 63 | errno = EBADF;
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| 64 | }
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| 65 | else
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| 66 | errno = saved_errno;
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| 67 |
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| 68 | return fp;
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| 69 | }
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