Mercurial > libbuf
view buf-shrink.c @ 8:167277f57ce6 0.1.0
misc: update before 0.1.0
author | David Demelier <markand@malikania.fr> |
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date | Fri, 30 Oct 2020 13:03:55 +0100 |
parents | b1991ee4451d |
children | 939fe74cd80a |
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/* * buf-shrink.c -- simple string buffer for C * * Copyright (c) 2019-2020 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include <stdlib.h> #include "buf.h" bool buf_shrink(struct buf *b) { assert(b); void *newptr; if (b->length == 0) { free(b->data); b->data = NULL; b->length = b->capacity = 0; return true; } if (!(newptr = BUF_REALLOC(b->data, b->length + 1))) return false; b->data = newptr; b->capacity = b->length; return true; }