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/* yesno.c -- read a yes/no response from stdin
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Copyright (C) 1990, 1998, 2001 Free Software Foundation, Inc.
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Copyright (C) 1990, 1998, 2001, 2003, 2004, 2005 Free Software
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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# include <config.h>
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#include "unlocked-io.h"
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/* Read one line from standard input
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and return nonzero if that line begins with y or Y,
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otherwise return 0. */
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/* Return true if we read an affirmative line from standard input. */
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extern int rpmatch (char const *response);
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/* We make some assumptions here:
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a) leading white space in the response are not vital
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b) the first 128 characters of the answer are enough (the rest can
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I cannot think for a situation where this is not ok. --drepper@gnu */
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while ((c = getchar ()) != EOF && c != '\n')
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if ((len > 0 && len < 127) || (len == 0 && !isspace (c)))
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return rpmatch (buf) == 1;
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char *response = NULL;
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size_t response_size = 0;
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ssize_t response_len = getline (&response, &response_size, stdin);
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if (response_len <= 0)
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response[response_len - 1] = '\0';
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yes = (0 < rpmatch (response));