annotate lib/mbspbrk.c @ 17363:5a51fb7777a9

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 344018b6e5d7
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1 /* Searching a string for a character among a given set of characters.
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2 Copyright (C) 1999, 2002, 2006-2013 Free Software Foundation, Inc.
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3 Written by Bruno Haible <bruno@clisp.org>, 2007.
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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 #include <config.h>
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19
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20 /* Specification. */
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21 #include <string.h>
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22
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23 #include "mbuiter.h"
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24
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25 /* Find the first occurrence in the character string STRING of any character
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26 in the character string ACCEPT. Return the pointer to it, or NULL if none
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27 exists. */
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28 char *
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29 mbspbrk (const char *string, const char *accept)
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30 {
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31 /* Optimize two cases. */
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32 if (accept[0] == '\0')
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33 return NULL;
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34 if (accept[1] == '\0')
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35 return mbschr (string, accept[0]);
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36 /* General case. */
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37 if (MB_CUR_MAX > 1)
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38 {
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39 mbui_iterator_t iter;
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40
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41 for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter))
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42 {
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43 if (mb_len (mbui_cur (iter)) == 1)
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44 {
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45 if (mbschr (accept, * mbui_cur_ptr (iter)))
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46 return (char *) mbui_cur_ptr (iter);
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47 }
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48 else
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49 {
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50 mbui_iterator_t aiter;
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51
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52 for (mbui_init (aiter, accept);
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53 mbui_avail (aiter);
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54 mbui_advance (aiter))
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55 if (mb_equal (mbui_cur (aiter), mbui_cur (iter)))
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56 return (char *) mbui_cur_ptr (iter);
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57 }
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58 }
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59 return NULL;
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60 }
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61 else
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62 return strpbrk (string, accept);
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63 }