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- /*
- * libdpkg - Debian packaging suite library routines
- * nfmalloc.c - non-freeing malloc, used for in-core database
- *
- * Copyright © 1994,1995 Ian Jackson <ian@chiark.greenend.org.uk>
- *
- * This 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 2,
- * or (at your option) any later version.
- *
- * This 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 <config.h>
- #include <compat.h>
- #include <string.h>
- #include <stdlib.h>
- #include <obstack.h>
- #include <dpkg/i18n.h>
- #include <dpkg/dpkg.h>
- #include <dpkg/dpkg-db.h>
- #define obstack_chunk_alloc m_malloc
- #define obstack_chunk_free free
- static struct obstack db_obs;
- static int dbobs_init = 0;
- /* We use lots of mem, so use a large chunk */
- #define CHUNK_SIZE 8192
- #define OBSTACK_INIT if (!dbobs_init) { nfobstack_init(); }
- static void nfobstack_init(void) {
- obstack_init(&db_obs);
- dbobs_init = 1;
- obstack_chunk_size(&db_obs) = CHUNK_SIZE;
- }
-
- void *
- nfmalloc(size_t size)
- {
- OBSTACK_INIT;
- return obstack_alloc(&db_obs, size);
- }
- char *nfstrsave(const char *string) {
- OBSTACK_INIT;
- return obstack_copy0 (&db_obs, string, strlen(string));
- }
- char *
- nfstrnsave(const char *string, size_t size)
- {
- OBSTACK_INIT;
- return obstack_copy0(&db_obs, string, size);
- }
- void nffreeall(void) {
- if (dbobs_init) {
- obstack_free(&db_obs, NULL);
- dbobs_init = 0;
- }
- }
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