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annotate lib/anytostr.c @ 17363:5a51fb7777a9

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sys_select, sys_time: port 2013-01-30 Solaris 2.6 fix to Cygwin Problem reported by Marco Atzeri in <http://lists.gnu.org/archive/html/bug-gnulib/2013-03/msg00000.html>. * lib/sys_select.in.h [HAVE_SYS_SELECT_H && _CYGWIN_SYS_TIME_H]: Simply delegate to the system <sys/select.h> in this case too. Also, pay attention to _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H only if OSF/1, since otherwise Cygwin breaks, and it doesn't seem to be needed on Solaris either. * lib/sys_time.in.h [_CYGWIN_SYS_TIME_H]: Simply delgate to the system <sys/time.h> in this case.
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 19 Mar 2013 09:08:47 -0700
parents e542fd46ad6f
children 9a6c1c655351
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1 /* anytostr.c -- convert integers to printable strings
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2
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3 Copyright (C) 2001, 2006, 2008-2013 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 3 of the License, or
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8 (at your option) 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
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 /* Written by Paul Eggert */
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20 /* Tell gcc not to warn about the (i < 0) test, below. */
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21 #if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
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22 # pragma GCC diagnostic ignored "-Wtype-limits"
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23 #endif
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24
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25 #include <config.h>
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26
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27 #include "inttostr.h"
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28
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29 /* Convert I to a printable string in BUF, which must be at least
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30 INT_BUFSIZE_BOUND (INTTYPE) bytes long. Return the address of the
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31 printable string, which need not start at BUF. */
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32
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33 char * __attribute_warn_unused_result__
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34 anytostr (inttype i, char *buf)
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35 {
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36 char *p = buf + INT_STRLEN_BOUND (inttype);
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37 *p = 0;
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38
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39 if (i < 0)
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40 {
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41 do
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42 *--p = '0' - i % 10;
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43 while ((i /= 10) != 0);
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44
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45 *--p = '-';
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46 }
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47 else
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48 {
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49 do
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50 *--p = '0' + i % 10;
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51 while ((i /= 10) != 0);
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52 }
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53
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54 return p;
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55 }