annotate lib/printf.c @ 18029:e4a13d95b503

mgetgroups: port to strict OS X * doc/glibc-functions/getgrouplist.texi (getgrouplist): Document the getgrouplist problem. * lib/mgetgroups.c (getgrouplist_gids) [HAVE_GETGROUPLIST]: New macro. (mgetgroups): Use it. * m4/mgetgroups.m4 (gl_MGETGROUPS): Check for OS X signature for getgrouplist.
author Paul Eggert <eggert@cs.ucla.edu>
date Sun, 28 Jun 2015 23:43:35 -0700
parents ab58d4870664
children
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1 /* Formatted output to a stream.
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2 Copyright (C) 2007, 2010-2015 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 #ifdef HAVE_CONFIG_H
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18 # include <config.h>
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19 #endif
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20
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21 /* Specification. */
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22 #include <stdio.h>
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23
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24 #include <stdarg.h>
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25
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26 /* Print formatted output to standard output.
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27 Return string length of formatted string. On error, return a negative
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28 value. */
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29 int
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30 printf (const char *format, ...)
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31 {
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32 int retval;
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33 va_list args;
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34
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35 va_start (args, format);
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36 retval = vfprintf (stdout, format, args);
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37 va_end (args);
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38
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39 return retval;
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40 }