annotate lib/close.c @ 40231:9b3c79fdfe0b

strtod: fix clash with strtold Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817). * lib/strtod.c (compute_minus_zero, minus_zero): Simplify by remving the macro / external variable, and having just a function. User changed. This avoids the need for an external variable that might clash.
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 11 Mar 2019 16:40:29 -0700
parents b06060465f09
children
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1 /* close replacement.
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2 Copyright (C) 2008-2019 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 <https://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 <unistd.h>
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21
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22 #include <errno.h>
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23
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24 #include "fd-hook.h"
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25 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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26 # include "msvc-inval.h"
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27 #endif
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28
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29 #undef close
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30
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31 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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32 static int
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33 close_nothrow (int fd)
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34 {
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35 int result;
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36
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37 TRY_MSVC_INVAL
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38 {
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39 result = close (fd);
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40 }
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41 CATCH_MSVC_INVAL
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42 {
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43 result = -1;
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44 errno = EBADF;
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45 }
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46 DONE_MSVC_INVAL;
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47
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48 return result;
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49 }
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50 #else
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51 # define close_nothrow close
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52 #endif
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53
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54 /* Override close() to call into other gnulib modules. */
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55
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56 int
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57 rpl_close (int fd)
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58 {
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59 #if WINDOWS_SOCKETS
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60 int retval = execute_all_close_hooks (close_nothrow, fd);
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61 #else
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62 int retval = close_nothrow (fd);
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63 #endif
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64
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65 #if REPLACE_FCHDIR
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66 if (retval >= 0)
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67 _gl_unregister_fd (fd);
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68 #endif
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69
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70 return retval;
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71 }