Mercurial > hg > index.cgi
view lwlib/lw_stack.c @ 532:b8e9ac01deda
Fix base for entry directive in link scripts to use base 16
Documentation says the entry directive uses base 16. Make that actually true
instead of using the "auto base" thing.
author | William Astle <lost@l-w.ca> |
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date | Sat, 14 May 2022 12:28:44 -0600 |
parents | 00ddfdc1e1e3 |
children |
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/* lw_stack.c Copyright © 2010 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/>. */ #define ___lw_stack_c_seen___ #include "lw_stack.h" #include "lw_alloc.h" /* this is technically valid but dubious */ #define NULL 0 lw_stack_t lw_stack_create(void (*freefn)(void *d)) { lw_stack_t S; S = lw_alloc(sizeof(struct lw_stack_priv)); S -> head = NULL; S -> freefn = freefn; return S; } void *lw_stack_pop(lw_stack_t S) { if (S -> head) { void *ret, *r2; ret = S -> head -> data; r2 = S -> head; S -> head = S -> head -> next; lw_free(r2); return ret; } return NULL; } void lw_stack_destroy(lw_stack_t S) { void *d; while ((d = lw_stack_pop(S))) (S->freefn)(d); lw_free(S); } void *lw_stack_top(lw_stack_t S) { if (S -> head) return S -> head -> data; return NULL; } void lw_stack_push(lw_stack_t S, void *item) { struct lw_stack_node_priv *t; t = lw_alloc(sizeof(struct lw_stack_node_priv)); t -> next = S -> head; S -> head = t; t -> data = item; }