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Diffstat (limited to 'libbanshee/libcompat/regions.h')
-rw-r--r-- | libbanshee/libcompat/regions.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/libbanshee/libcompat/regions.h b/libbanshee/libcompat/regions.h new file mode 100644 index 00000000000..9f0231ddd82 --- /dev/null +++ b/libbanshee/libcompat/regions.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 1999-2001 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ +#ifndef REGIONS_H +#define REGIONS_H + +#define RPAGELOG 13 + +typedef struct Region *region; + +#include <stdlib.h> + +void region_init(void); /* You MUST call this function before using any + part of this library */ + +region newregion(void); +region newsubregion(region parent); + +typedef int type_t; +#define rctypeof(type) 0 + +/* Low-level alloc with dynamic type info */ +void *typed_ralloc(region r, size_t size, type_t type); +void *typed_rarrayalloc(region r, size_t n, size_t size, type_t type); +void *typed_rarrayextend(region r, void *old, size_t n, size_t size, type_t type); +void typed_rarraycopy(void *to, void *from, size_t n, size_t size, type_t type); + +#define ralloc(r, type) typed_ralloc((r), sizeof(type), rctypeof(type)) +#define rarrayalloc(r, n, type) typed_rarrayalloc((r), (n), sizeof(type), rctypeof(type)) +#define rarrayextend(r, old, n, type) typed_rarrayextend((r), (old), (n), sizeof(type), rctypeof(type)) +#define rarraycopy(to, from, n, type) typed_rarraycopy((to), (from), (n), sizeof(type), rctypeof(type)) + +char *rstralloc(region r, size_t size); +char *rstralloc0(region r, size_t size); +char *rstrdup(region r, const char *s); + +/* rstrextend is used to extend an old string. The string MUST have been + initially allocated by a call to rstrextend with old == NULL (you cannot + initially allocate the string with rstralloc) */ +char *rstrextend(region r, const char *old, size_t newsize); +char *rstrextend0(region r, const char *old, size_t newsize); + +void deleteregion(region r); +void deleteregion_ptr(region *r); +void deleteregion_array(int n, region *regions); +region regionof(void *ptr); + +typedef void (*nomem_handler)(void); +nomem_handler set_nomem_handler(nomem_handler newhandler); + +/* Debugging support */ +void findrefs(region r, void *from, void *to); +void findgrefs(region r); +void findrrefs(region r, region from); + +#ifdef REGION_PROFILE +#include "profile.h" +#endif + +#endif |