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annotate lib/msvc-nothrow.c @ 40057:b06060465f09

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maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 01 Jan 2019 00:25:11 +0100
parents 10eb9086bea0
children
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b86e9061a6d0 New module 'msvc-nothrow'. Makes _get_osfhandle safe on MSVC 9.
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1 /* Wrappers that don't throw invalid parameter notifications
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2 with MSVC runtime libraries.
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3 Copyright (C) 2011-2019 Free Software Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License along
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16 with this program; if not, see <https://www.gnu.org/licenses/>. */
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17
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18 #include <config.h>
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19
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20 /* Specification. */
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21 #include "msvc-nothrow.h"
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22
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23 /* Get declarations of the native Windows API functions. */
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24 #define WIN32_LEAN_AND_MEAN
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25 #include <windows.h>
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26
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27 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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28 # include "msvc-inval.h"
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29 #endif
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30
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31 #undef _get_osfhandle
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32
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33 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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34 intptr_t
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35 _gl_nothrow_get_osfhandle (int fd)
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36 {
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37 intptr_t result;
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38
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39 TRY_MSVC_INVAL
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40 {
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41 result = _get_osfhandle (fd);
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42 }
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43 CATCH_MSVC_INVAL
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44 {
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45 result = (intptr_t) INVALID_HANDLE_VALUE;
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46 }
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47 DONE_MSVC_INVAL;
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48
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49 return result;
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50 }
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51 #endif