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* lib/splitstring.c: New file; defines splitstring(), which will non-destructively locate character-separated fields in a string. * lib/splitstring.h: New file; declares splitstring. * lib/test_splitstring.c: New file; unit test for splitstring.c. * lib/nextelem.c: Delete (obsoleted by splitstring.c). * lib/nextelem.h: Delete (obsoleted by splitstring.h). * lib/Makefile.am (libfind_a_SOURCES): Add splitstring.c, splitstring.c. Remove nextelem.c, nextelem.h. (check_PROGRAMS): Add test_splitstring. (TESTS): Add test_splitstring. (test_splitstring_SOURCES): Sources for the test_splitstring unit test. * locate/locate.c: Include splitstring.h rather than nextelem.h. (dolocate): Use splitstring rather than next_element. In places where we need a nul-terminated string, use strndup() to create it. Convert some space-tab sequences to regular spacing. * find/parser.c: Include splitstring.h rather than nextelem.h. (check_path_safety): Use splitstring rather than next_element. * import-gnulib.config (modules): Depend on the module strndup. * cfg.mk: Exempt lib/test_splitstring.c from calling bindtextdomain or set_program_name.
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/* splitstring.h -- split a const string into fields.
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Copyright (C) 2011 Free Software Foundation, Inc.
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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 3 of the License, or
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(at your option) 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, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Written by James Youngman.
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*/
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/* Split a string into fields. The string is never modified.
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*
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* A false return value indicates that there are no more fields.
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* Otherwise the next field is at the poisition indicated by *POS and
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* has length *LEN.
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*
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* Set FIRST to true only on the first call for any given value of s.
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* *POS and *LEN do not need to be initialised in this case.
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* On subsequent calls, these values should be left at the values
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* set by the last call.
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*
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* Any character in SEPARATORS is taken to be a field separator.
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* Consecutive field separators are taken to indicate the presence of
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* an empty field.
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*/
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#include <stdbool.h>
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#include <stddef.h>
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bool splitstring(const char *s, const char *separators,
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bool first, size_t *pos, size_t *len);
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