mirror of
git://git.sv.gnu.org/findutils.git
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Bernhard Voelker
f1f6471ae8
Run 'make update-copyright'. * lib/regexprops.c (copying): Update the year number manually. * tests/sample-test: Adjust to use the single most recent year. * All other files: Update copyright years via the above make run.
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/* splitstring.c -- split a const string into fields.
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Copyright (C) 2011-2025 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 <https://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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/* config.h must be included first. */
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#include <config.h>
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/* system headers. */
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#include <stdbool.h>
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#include <string.h>
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/* gnulib headers would go here. */
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/* find headers. */
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#include "splitstring.h"
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static size_t
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field_length (const char *str, const char *separators)
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{
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/* if there are no separators, the whole input is one field. */
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if (*separators)
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{
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const char *end = strpbrk (str, separators);
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if (end)
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return end - str;
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}
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return strlen (str);
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}
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bool
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splitstring(const char *s, const char *separators, bool first,
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size_t *pos, size_t *len)
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{
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if (first)
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{
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*pos = 0u;
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*len = 0u;
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}
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else
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{
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*pos += *len; /* advance to the next field. */
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if (s[*pos])
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++*pos; /* skip the separator */
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else
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return false; /* we reached the end. */
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}
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*len = field_length (&s[*pos], separators);
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return true;
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}
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