Mercurial > libjeffpc
view val_array.c @ 851:f9a9816e0142
sexpr: use %define api.pure instead of %pure-parser
%pure-parser got deprecated a number of years ago.
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
---|---|
date | Wed, 05 Jan 2022 23:02:19 -0500 |
parents | 2730e7a80abd |
children |
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/* * Copyright (c) 2018-2019 Josef 'Jeff' Sipek <jeffpc@josefsipek.net> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <jeffpc/mem.h> #include "val_impl.h" static struct val *__val_alloc_array(struct val **vals, size_t nelem, bool dup, bool heap) { struct val *val; size_t i; if (dup) { struct val **tmp; /* no reason to ever duplicate a heap allocated array */ ASSERT(!heap); tmp = mem_reallocarray(NULL, nelem, sizeof(struct val *)); if (!tmp) { val = ERR_PTR(-ENOMEM); goto err; } /* * The multiplication can't overflow since the memory allocation * already checks for it. */ memcpy(tmp, vals, sizeof(struct val *) * nelem); /* switch to the new array & free it on error or 0 refcnt */ vals = tmp; heap = true; } val = __val_alloc(VT_ARRAY); if (IS_ERR(val)) goto err; val->_set_array.vals = vals; val->_set_array.nelem = nelem; val->static_alloc = !heap; return val; err: for (i = 0; i < nelem; i++) val_putref(vals[i]); if (heap) free(vals); return val; } struct val *val_alloc_array(struct val **vals, size_t nelem) { return __val_alloc_array(vals, nelem, false, true); } struct val *val_alloc_array_dup(struct val **vals, size_t nelem) { return __val_alloc_array(vals, nelem, true, false); } struct val *val_alloc_array_static(struct val **vals, size_t nelem) { return __val_alloc_array(vals, nelem, false, false); }