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view lwlib/lw_strbuf.c @ 540:98d68c27f610
Added tag lwtools-4.20 for changeset 0b0f4d5339f9
author | William Astle <lost@l-w.ca> |
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date | Wed, 17 Aug 2022 16:50:53 -0600 |
parents | 670ea8f90212 |
children |
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/* lwlib/lw_strbuf.c Copyright © 2013 William Astle This file is part of LWTOOLS. LWTOOLS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdlib.h> #include "lw_alloc.h" #include "lw_strbuf.h" struct lw_strbuf *lw_strbuf_new(void) { struct lw_strbuf *lw_strbuf; lw_strbuf = lw_alloc(sizeof(struct lw_strbuf)); lw_strbuf -> str = NULL; lw_strbuf -> bo = 0; lw_strbuf -> bl = 0; return lw_strbuf; } void lw_strbuf_add(struct lw_strbuf *lw_strbuf, int c) { if (lw_strbuf -> bo >= lw_strbuf -> bl) { lw_strbuf -> bl += 100; lw_strbuf -> str = lw_realloc(lw_strbuf -> str, lw_strbuf -> bl); } lw_strbuf -> str[lw_strbuf -> bo++] = c; } char *lw_strbuf_end(struct lw_strbuf *lw_strbuf) { char *rv; lw_strbuf_add(lw_strbuf, 0); rv = lw_strbuf -> str; lw_free(lw_strbuf); return rv; }