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41 lines
1.7 KiB
C
41 lines
1.7 KiB
C
/* Parse comma separate list into words.
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Copyright (C) 2004-2005 Free Software Foundation, Inc.
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Contributed by Simon Josefsson <jas@extundo.com>, 2004.
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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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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Assuming *OPTIONP is a comma separated list of elements of the form
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"token" or "token=value", getsubopt parses the first of these elements.
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If the first element refers to a "token" that is member of the given
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NULL-terminated array of tokens:
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- It replaces the comma with a NUL byte, updates *OPTIONP to point past
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the first option and the comma, sets *VALUEP to the value of the
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element (or NULL if it doesn't contain an "=" sign),
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- It returns the index of the "token" in the given array of tokens.
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Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
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For more details see the POSIX:2001 specification.
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http://www.opengroup.org/susv3xsh/getsubopt.html */
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#if HAVE_GETSUBOPT
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/* Get getsubopt declaration. */
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#include <stdlib.h>
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#else
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extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
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#endif
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