Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib/mempool-system.c @ 9532:00cd9aacd03c HEAD
Updated copyright notices to include year 2010.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Mon, 25 Jan 2010 01:18:58 +0200 |
parents | d6fcb6d050ba |
children |
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/* Copyright (c) 2002-2010 Dovecot authors, see the included COPYING file */ /* @UNSAFE: whole file */ #include "lib.h" #include "mempool.h" #include <stdlib.h> #ifndef HAVE_MALLOC_USABLE_SIZE /* no extra includes needed */ #elif defined (HAVE_MALLOC_NP_H) # include <malloc_np.h> /* FreeBSD */ #elif defined (HAVE_MALLOC_H) # include <malloc.h> /* Linux */ #endif #ifdef HAVE_GC_GC_H # include <gc/gc.h> #elif defined (HAVE_GC_H) # include <gc.h> #endif static const char *pool_system_get_name(pool_t pool); static void pool_system_ref(pool_t pool); static void pool_system_unref(pool_t *pool); static void *pool_system_malloc(pool_t pool, size_t size); static void pool_system_free(pool_t pool, void *mem); static void *pool_system_realloc(pool_t pool, void *mem, size_t old_size, size_t new_size); static void pool_system_clear(pool_t pool); static size_t pool_system_get_max_easy_alloc_size(pool_t pool); static struct pool_vfuncs static_system_pool_vfuncs = { pool_system_get_name, pool_system_ref, pool_system_unref, pool_system_malloc, pool_system_free, pool_system_realloc, pool_system_clear, pool_system_get_max_easy_alloc_size }; struct pool static_system_pool = { MEMBER(v) &static_system_pool_vfuncs, MEMBER(alloconly_pool) FALSE, MEMBER(datastack_pool) FALSE }; pool_t system_pool = &static_system_pool; static const char *pool_system_get_name(pool_t pool ATTR_UNUSED) { return "system"; } static void pool_system_ref(pool_t pool ATTR_UNUSED) { } static void pool_system_unref(pool_t *pool ATTR_UNUSED) { } static void *pool_system_malloc(pool_t pool ATTR_UNUSED, size_t size) { void *mem; if (unlikely(size == 0 || size > SSIZE_T_MAX)) i_panic("Trying to allocate %"PRIuSIZE_T" bytes", size); #ifndef USE_GC mem = calloc(size, 1); #else mem = GC_malloc(size); #endif if (unlikely(mem == NULL)) { i_fatal_status(FATAL_OUTOFMEM, "pool_system_malloc(%"PRIuSIZE_T "): Out of memory", size); } return mem; } static void pool_system_free(pool_t pool ATTR_UNUSED, void *mem ATTR_UNUSED) { #ifndef USE_GC free(mem); #endif } static void *pool_system_realloc(pool_t pool ATTR_UNUSED, void *mem, size_t old_size, size_t new_size) { if (unlikely(new_size == 0 || new_size > SSIZE_T_MAX)) i_panic("Trying to allocate %"PRIuSIZE_T" bytes", new_size); #if !defined(USE_GC) && defined(HAVE_MALLOC_USABLE_SIZE) i_assert(old_size == (size_t)-1 || mem == NULL || old_size <= malloc_usable_size(mem)); #endif #ifndef USE_GC mem = realloc(mem, new_size); #else mem = GC_realloc(mem, new_size); #endif if (unlikely(mem == NULL)) { i_fatal_status(FATAL_OUTOFMEM, "pool_system_realloc(%"PRIuSIZE_T "): Out of memory", new_size); } if (old_size < new_size) { /* clear new data */ memset((char *) mem + old_size, 0, new_size - old_size); } return mem; } static void ATTR_NORETURN pool_system_clear(pool_t pool ATTR_UNUSED) { i_panic("pool_system_clear() must not be called"); } static size_t pool_system_get_max_easy_alloc_size(pool_t pool ATTR_UNUSED) { return 0; }