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Diffstat (limited to 'src/3rd_party/dbus-1.7.8/dbus/dbus-memory.c')
| -rw-r--r-- | src/3rd_party/dbus-1.7.8/dbus/dbus-memory.c | 952 |
1 files changed, 0 insertions, 952 deletions
diff --git a/src/3rd_party/dbus-1.7.8/dbus/dbus-memory.c b/src/3rd_party/dbus-1.7.8/dbus/dbus-memory.c deleted file mode 100644 index d59e8f8cdd..0000000000 --- a/src/3rd_party/dbus-1.7.8/dbus/dbus-memory.c +++ /dev/null @@ -1,952 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ -/* dbus-memory.c D-Bus memory handling - * - * Copyright (C) 2002, 2003 Red Hat Inc. - * - * Licensed under the Academic Free License version 2.1 - * - * This program 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 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#include <config.h> -#include "dbus-memory.h" -#include "dbus-internals.h" -#include "dbus-sysdeps.h" -#include "dbus-list.h" -#include "dbus-threads.h" -#include <stdlib.h> - -/** - * @defgroup DBusMemory Memory Allocation - * @ingroup DBus - * @brief dbus_malloc(), dbus_free(), etc. - * - * Functions and macros related to allocating and releasing - * blocks of memory. - * - */ - -/** - * @defgroup DBusMemoryInternals Memory allocation implementation details - * @ingroup DBusInternals - * @brief internals of dbus_malloc() etc. - * - * Implementation details related to allocating and releasing blocks - * of memory. - */ - -/** - * @addtogroup DBusMemory - * - * @{ - */ - -/** - * @def dbus_new - * - * Safe macro for using dbus_malloc(). Accepts the type - * to allocate and the number of type instances to - * allocate as arguments, and returns a memory block - * cast to the desired type, instead of as a void*. - * - * @param type type name to allocate - * @param count number of instances in the allocated array - * @returns the new memory block or #NULL on failure - */ - -/** - * @def dbus_new0 - * - * Safe macro for using dbus_malloc0(). Accepts the type - * to allocate and the number of type instances to - * allocate as arguments, and returns a memory block - * cast to the desired type, instead of as a void*. - * The allocated array is initialized to all-bits-zero. - * - * @param type type name to allocate - * @param count number of instances in the allocated array - * @returns the new memory block or #NULL on failure - */ - -/** - * @typedef DBusFreeFunction - * - * The type of a function which frees a block of memory. - * - * @param memory the memory to free - */ - -/** @} */ /* end of public API docs */ - -/** - * @addtogroup DBusMemoryInternals - * - * @{ - */ - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS -static dbus_bool_t debug_initialized = FALSE; -static int fail_nth = -1; -static size_t fail_size = 0; -static int fail_alloc_counter = _DBUS_INT_MAX; -static int n_failures_per_failure = 1; -static int n_failures_this_failure = 0; -static dbus_bool_t guards = FALSE; -static dbus_bool_t disable_mem_pools = FALSE; -static dbus_bool_t backtrace_on_fail_alloc = FALSE; -static dbus_bool_t malloc_cannot_fail = FALSE; -static DBusAtomic n_blocks_outstanding = {0}; - -/** value stored in guard padding for debugging buffer overrun */ -#define GUARD_VALUE 0xdeadbeef -/** size of the information about the block stored in guard mode */ -#define GUARD_INFO_SIZE 8 -/** size of the GUARD_VALUE-filled padding after the header info */ -#define GUARD_START_PAD 16 -/** size of the GUARD_VALUE-filled padding at the end of the block */ -#define GUARD_END_PAD 16 -/** size of stuff at start of block */ -#define GUARD_START_OFFSET (GUARD_START_PAD + GUARD_INFO_SIZE) -/** total extra size over the requested allocation for guard stuff */ -#define GUARD_EXTRA_SIZE (GUARD_START_OFFSET + GUARD_END_PAD) - -static void -_dbus_initialize_malloc_debug (void) -{ - if (!debug_initialized) - { - debug_initialized = TRUE; - - if (_dbus_getenv ("DBUS_MALLOC_FAIL_NTH") != NULL) - { - fail_nth = atoi (_dbus_getenv ("DBUS_MALLOC_FAIL_NTH")); - fail_alloc_counter = fail_nth; - _dbus_verbose ("Will fail dbus_malloc every %d times\n", fail_nth); - } - - if (_dbus_getenv ("DBUS_MALLOC_FAIL_GREATER_THAN") != NULL) - { - fail_size = atoi (_dbus_getenv ("DBUS_MALLOC_FAIL_GREATER_THAN")); - _dbus_verbose ("Will fail mallocs over %ld bytes\n", - (long) fail_size); - } - - if (_dbus_getenv ("DBUS_MALLOC_GUARDS") != NULL) - { - guards = TRUE; - _dbus_verbose ("Will use dbus_malloc guards\n"); - } - - if (_dbus_getenv ("DBUS_DISABLE_MEM_POOLS") != NULL) - { - disable_mem_pools = TRUE; - _dbus_verbose ("Will disable memory pools\n"); - } - - if (_dbus_getenv ("DBUS_MALLOC_BACKTRACES") != NULL) - { - backtrace_on_fail_alloc = TRUE; - _dbus_verbose ("Will backtrace on failing a dbus_malloc\n"); - } - - if (_dbus_getenv ("DBUS_MALLOC_CANNOT_FAIL") != NULL) - { - malloc_cannot_fail = TRUE; - _dbus_verbose ("Will abort if system malloc() and friends fail\n"); - } - } -} - -/** - * Whether to turn off mem pools, useful for leak checking. - * - * @returns #TRUE if mempools should not be used. - */ -dbus_bool_t -_dbus_disable_mem_pools (void) -{ - _dbus_initialize_malloc_debug (); - return disable_mem_pools; -} - -/** - * Sets the number of allocations until we simulate a failed - * allocation. If set to 0, the next allocation to run - * fails; if set to 1, one succeeds then the next fails; etc. - * Set to _DBUS_INT_MAX to not fail anything. - * - * @param until_next_fail number of successful allocs before one fails - */ -void -_dbus_set_fail_alloc_counter (int until_next_fail) -{ - _dbus_initialize_malloc_debug (); - - fail_alloc_counter = until_next_fail; - -#if 0 - _dbus_verbose ("Set fail alloc counter = %d\n", fail_alloc_counter); -#endif -} - -/** - * Gets the number of successful allocs until we'll simulate - * a failed alloc. - * - * @returns current counter value - */ -int -_dbus_get_fail_alloc_counter (void) -{ - _dbus_initialize_malloc_debug (); - - return fail_alloc_counter; -} - -/** - * Sets how many mallocs to fail when the fail alloc counter reaches - * 0. - * - * @param failures_per_failure number to fail - */ -void -_dbus_set_fail_alloc_failures (int failures_per_failure) -{ - n_failures_per_failure = failures_per_failure; -} - -/** - * Gets the number of failures we'll have when the fail malloc - * counter reaches 0. - * - * @returns number of failures planned - */ -int -_dbus_get_fail_alloc_failures (void) -{ - return n_failures_per_failure; -} - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS -/** - * Called when about to alloc some memory; if - * it returns #TRUE, then the allocation should - * fail. If it returns #FALSE, then the allocation - * should not fail. - * - * @returns #TRUE if this alloc should fail - */ -dbus_bool_t -_dbus_decrement_fail_alloc_counter (void) -{ - _dbus_initialize_malloc_debug (); -#ifdef DBUS_WIN_FIXME - { - static dbus_bool_t called = 0; - - if (!called) - { - _dbus_verbose("TODO: memory allocation testing errors disabled for now\n"); - called = 1; - } - return FALSE; - } -#endif - - if (fail_alloc_counter <= 0) - { - if (backtrace_on_fail_alloc) - _dbus_print_backtrace (); - - _dbus_verbose ("failure %d\n", n_failures_this_failure); - - n_failures_this_failure += 1; - if (n_failures_this_failure >= n_failures_per_failure) - { - if (fail_nth >= 0) - fail_alloc_counter = fail_nth; - else - fail_alloc_counter = _DBUS_INT_MAX; - - n_failures_this_failure = 0; - - _dbus_verbose ("reset fail alloc counter to %d\n", fail_alloc_counter); - } - - return TRUE; - } - else - { - fail_alloc_counter -= 1; - return FALSE; - } -} -#endif /* DBUS_ENABLE_EMBEDDED_TESTS */ - -/** - * Get the number of outstanding malloc()'d blocks. - * - * @returns number of blocks - */ -int -_dbus_get_malloc_blocks_outstanding (void) -{ - return _dbus_atomic_get (&n_blocks_outstanding); -} - -/** - * Where the block came from. - */ -typedef enum -{ - SOURCE_UNKNOWN, - SOURCE_MALLOC, - SOURCE_REALLOC, - SOURCE_MALLOC_ZERO, - SOURCE_REALLOC_NULL -} BlockSource; - -static const char* -source_string (BlockSource source) -{ - switch (source) - { - case SOURCE_UNKNOWN: - return "unknown"; - case SOURCE_MALLOC: - return "malloc"; - case SOURCE_REALLOC: - return "realloc"; - case SOURCE_MALLOC_ZERO: - return "malloc0"; - case SOURCE_REALLOC_NULL: - return "realloc(NULL)"; - } - _dbus_assert_not_reached ("Invalid malloc block source ID"); - return "invalid!"; -} - -static void -check_guards (void *free_block, - dbus_bool_t overwrite) -{ - if (free_block != NULL) - { - unsigned char *block = ((unsigned char*)free_block) - GUARD_START_OFFSET; - size_t requested_bytes = *(dbus_uint32_t*)block; - BlockSource source = *(dbus_uint32_t*)(block + 4); - unsigned int i; - dbus_bool_t failed; - - failed = FALSE; - -#if 0 - _dbus_verbose ("Checking %d bytes request from source %s\n", - requested_bytes, source_string (source)); -#endif - - i = GUARD_INFO_SIZE; - while (i < GUARD_START_OFFSET) - { - dbus_uint32_t value = *(dbus_uint32_t*) &block[i]; - if (value != GUARD_VALUE) - { - _dbus_warn ("Block of %lu bytes from %s had start guard value 0x%ux at %d expected 0x%x\n", - (long) requested_bytes, source_string (source), - value, i, GUARD_VALUE); - failed = TRUE; - } - - i += 4; - } - - i = GUARD_START_OFFSET + requested_bytes; - while (i < (GUARD_START_OFFSET + requested_bytes + GUARD_END_PAD)) - { - dbus_uint32_t value = *(dbus_uint32_t*) &block[i]; - if (value != GUARD_VALUE) - { - _dbus_warn ("Block of %lu bytes from %s had end guard value 0x%ux at %d expected 0x%x\n", - (long) requested_bytes, source_string (source), - value, i, GUARD_VALUE); - failed = TRUE; - } - - i += 4; - } - - /* set memory to anything but nul bytes */ - if (overwrite) - memset (free_block, 'g', requested_bytes); - - if (failed) - _dbus_assert_not_reached ("guard value corruption"); - } -} - -static void* -set_guards (void *real_block, - size_t requested_bytes, - BlockSource source) -{ - unsigned char *block = real_block; - unsigned int i; - - if (block == NULL) - return NULL; - - _dbus_assert (GUARD_START_OFFSET + GUARD_END_PAD == GUARD_EXTRA_SIZE); - - *((dbus_uint32_t*)block) = requested_bytes; - *((dbus_uint32_t*)(block + 4)) = source; - - i = GUARD_INFO_SIZE; - while (i < GUARD_START_OFFSET) - { - (*(dbus_uint32_t*) &block[i]) = GUARD_VALUE; - - i += 4; - } - - i = GUARD_START_OFFSET + requested_bytes; - while (i < (GUARD_START_OFFSET + requested_bytes + GUARD_END_PAD)) - { - (*(dbus_uint32_t*) &block[i]) = GUARD_VALUE; - - i += 4; - } - - check_guards (block + GUARD_START_OFFSET, FALSE); - - return block + GUARD_START_OFFSET; -} - -#endif - -/** @} */ /* End of internals docs */ - - -/** - * @addtogroup DBusMemory - * - * @{ - */ - -/** - * Allocates the given number of bytes, as with standard - * malloc(). Guaranteed to return #NULL if bytes is zero - * on all platforms. Returns #NULL if the allocation fails. - * The memory must be released with dbus_free(). - * - * dbus_malloc() memory is NOT safe to free with regular free() from - * the C library. Free it with dbus_free() only. - * - * @param bytes number of bytes to allocate - * @return allocated memory, or #NULL if the allocation fails. - */ -void* -dbus_malloc (size_t bytes) -{ -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - _dbus_initialize_malloc_debug (); - - if (_dbus_decrement_fail_alloc_counter ()) - { - _dbus_verbose (" FAILING malloc of %ld bytes\n", (long) bytes); - return NULL; - } -#endif - - if (bytes == 0) /* some system mallocs handle this, some don't */ - return NULL; -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - else if (fail_size != 0 && bytes > fail_size) - return NULL; - else if (guards) - { - void *block; - - block = malloc (bytes + GUARD_EXTRA_SIZE); - if (block) - { - _dbus_atomic_inc (&n_blocks_outstanding); - } - else if (malloc_cannot_fail) - { - _dbus_warn ("out of memory: malloc (%ld + %ld)\n", - (long) bytes, (long) GUARD_EXTRA_SIZE); - _dbus_abort (); - } - - return set_guards (block, bytes, SOURCE_MALLOC); - } -#endif - else - { - void *mem; - mem = malloc (bytes); - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - if (mem) - { - _dbus_atomic_inc (&n_blocks_outstanding); - } - else if (malloc_cannot_fail) - { - _dbus_warn ("out of memory: malloc (%ld)\n", (long) bytes); - _dbus_abort (); - } -#endif - - return mem; - } -} - -/** - * Allocates the given number of bytes, as with standard malloc(), but - * all bytes are initialized to zero as with calloc(). Guaranteed to - * return #NULL if bytes is zero on all platforms. Returns #NULL if the - * allocation fails. The memory must be released with dbus_free(). - * - * dbus_malloc0() memory is NOT safe to free with regular free() from - * the C library. Free it with dbus_free() only. - * - * @param bytes number of bytes to allocate - * @return allocated memory, or #NULL if the allocation fails. - */ -void* -dbus_malloc0 (size_t bytes) -{ -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - _dbus_initialize_malloc_debug (); - - if (_dbus_decrement_fail_alloc_counter ()) - { - _dbus_verbose (" FAILING malloc0 of %ld bytes\n", (long) bytes); - - return NULL; - } -#endif - - if (bytes == 0) - return NULL; -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - else if (fail_size != 0 && bytes > fail_size) - return NULL; - else if (guards) - { - void *block; - - block = calloc (bytes + GUARD_EXTRA_SIZE, 1); - - if (block) - { - _dbus_atomic_inc (&n_blocks_outstanding); - } - else if (malloc_cannot_fail) - { - _dbus_warn ("out of memory: calloc (%ld + %ld, 1)\n", - (long) bytes, (long) GUARD_EXTRA_SIZE); - _dbus_abort (); - } - - return set_guards (block, bytes, SOURCE_MALLOC_ZERO); - } -#endif - else - { - void *mem; - mem = calloc (bytes, 1); - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - if (mem) - { - _dbus_atomic_inc (&n_blocks_outstanding); - } - else if (malloc_cannot_fail) - { - _dbus_warn ("out of memory: calloc (%ld)\n", (long) bytes); - _dbus_abort (); - } -#endif - - return mem; - } -} - -/** - * Resizes a block of memory previously allocated by dbus_malloc() or - * dbus_malloc0(). Guaranteed to free the memory and return #NULL if bytes - * is zero on all platforms. Returns #NULL if the resize fails. - * If the resize fails, the memory is not freed. - * - * @param memory block to be resized - * @param bytes new size of the memory block - * @return allocated memory, or #NULL if the resize fails. - */ -void* -dbus_realloc (void *memory, - size_t bytes) -{ -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - _dbus_initialize_malloc_debug (); - - if (_dbus_decrement_fail_alloc_counter ()) - { - _dbus_verbose (" FAILING realloc of %ld bytes\n", (long) bytes); - - return NULL; - } -#endif - - if (bytes == 0) /* guarantee this is safe */ - { - dbus_free (memory); - return NULL; - } -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - else if (fail_size != 0 && bytes > fail_size) - return NULL; - else if (guards) - { - if (memory) - { - size_t old_bytes; - void *block; - - check_guards (memory, FALSE); - - block = realloc (((unsigned char*)memory) - GUARD_START_OFFSET, - bytes + GUARD_EXTRA_SIZE); - - if (block == NULL) - { - if (malloc_cannot_fail) - { - _dbus_warn ("out of memory: realloc (%p, %ld + %ld)\n", - memory, (long) bytes, (long) GUARD_EXTRA_SIZE); - _dbus_abort (); - } - - return NULL; - } - - old_bytes = *(dbus_uint32_t*)block; - if (bytes >= old_bytes) - /* old guards shouldn't have moved */ - check_guards (((unsigned char*)block) + GUARD_START_OFFSET, FALSE); - - return set_guards (block, bytes, SOURCE_REALLOC); - } - else - { - void *block; - - block = malloc (bytes + GUARD_EXTRA_SIZE); - - if (block) - { - _dbus_atomic_inc (&n_blocks_outstanding); - } - else if (malloc_cannot_fail) - { - _dbus_warn ("out of memory: malloc (%ld + %ld)\n", - (long) bytes, (long) GUARD_EXTRA_SIZE); - _dbus_abort (); - } - - return set_guards (block, bytes, SOURCE_REALLOC_NULL); - } - } -#endif - else - { - void *mem; - mem = realloc (memory, bytes); - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - if (mem == NULL && malloc_cannot_fail) - { - _dbus_warn ("out of memory: malloc (%ld)\n", (long) bytes); - _dbus_abort (); - } - - if (memory == NULL && mem != NULL) - _dbus_atomic_inc (&n_blocks_outstanding); -#endif - return mem; - } -} - -/** - * Frees a block of memory previously allocated by dbus_malloc() or - * dbus_malloc0(). If passed #NULL, does nothing. - * - * @param memory block to be freed - */ -void -dbus_free (void *memory) -{ -#ifdef DBUS_ENABLE_EMBEDDED_TESTS - if (guards) - { - check_guards (memory, TRUE); - if (memory) - { -#ifdef DBUS_DISABLE_ASSERT - _dbus_atomic_dec (&n_blocks_outstanding); -#else - dbus_int32_t old_value; - - old_value = _dbus_atomic_dec (&n_blocks_outstanding); - _dbus_assert (old_value >= 1); -#endif - - free (((unsigned char*)memory) - GUARD_START_OFFSET); - } - - return; - } -#endif - - if (memory) /* we guarantee it's safe to free (NULL) */ - { -#ifdef DBUS_ENABLE_EMBEDDED_TESTS -#ifdef DBUS_DISABLE_ASSERT - _dbus_atomic_dec (&n_blocks_outstanding); -#else - dbus_int32_t old_value; - - old_value = _dbus_atomic_dec (&n_blocks_outstanding); - _dbus_assert (old_value >= 1); -#endif -#endif - - free (memory); - } -} - -/** - * Frees a #NULL-terminated array of strings. - * If passed #NULL, does nothing. - * - * @param str_array the array to be freed - */ -void -dbus_free_string_array (char **str_array) -{ - if (str_array) - { - int i; - - i = 0; - while (str_array[i]) - { - dbus_free (str_array[i]); - i++; - } - - dbus_free (str_array); - } -} - -/** @} */ /* End of public API docs block */ - - -/** - * @addtogroup DBusMemoryInternals - * - * @{ - */ - -/** - * _dbus_current_generation is used to track each - * time that dbus_shutdown() is called, so we can - * reinit things after it's been called. It is simply - * incremented each time we shut down. - */ -int _dbus_current_generation = 1; - -/** - * Represents a function to be called on shutdown. - */ -typedef struct ShutdownClosure ShutdownClosure; - -/** - * This struct represents a function to be called on shutdown. - */ -struct ShutdownClosure -{ - ShutdownClosure *next; /**< Next ShutdownClosure */ - DBusShutdownFunction func; /**< Function to call */ - void *data; /**< Data for function */ -}; - -/* Protected by _DBUS_LOCK (shutdown_funcs) */ -static ShutdownClosure *registered_globals = NULL; - -/** - * Register a cleanup function to be called exactly once - * the next time dbus_shutdown() is called. - * - * @param func the function - * @param data data to pass to the function - * @returns #FALSE on not enough memory - */ -dbus_bool_t -_dbus_register_shutdown_func (DBusShutdownFunction func, - void *data) -{ - dbus_bool_t ok; - - if (!_DBUS_LOCK (shutdown_funcs)) - return FALSE; - - ok = _dbus_register_shutdown_func_unlocked (func, data); - _DBUS_UNLOCK (shutdown_funcs); - return ok; -} - -dbus_bool_t -_dbus_register_shutdown_func_unlocked (DBusShutdownFunction func, - void *data) -{ - ShutdownClosure *c; - - c = dbus_new (ShutdownClosure, 1); - - if (c == NULL) - return FALSE; - - c->func = func; - c->data = data; - - c->next = registered_globals; - registered_globals = c; - - return TRUE; -} - -/** @} */ /* End of private API docs block */ - - -/** - * @addtogroup DBusMemory - * - * @{ - */ - -/** - * Frees all memory allocated internally by libdbus and - * reverses the effects of dbus_threads_init(). libdbus keeps internal - * global variables, for example caches and thread locks, and it - * can be useful to free these internal data structures. - * - * dbus_shutdown() does NOT free memory that was returned - * to the application. It only returns libdbus-internal - * data structures. - * - * You MUST free all memory and release all reference counts - * returned to you by libdbus prior to calling dbus_shutdown(). - * - * You can't continue to use any D-Bus objects, such as connections, - * that were allocated prior to dbus_shutdown(). You can, however, - * start over; call dbus_threads_init() again, create new connections, - * and so forth. - * - * WARNING: dbus_shutdown() is NOT thread safe, it must be called - * while NO other threads are using D-Bus. (Remember, you have to free - * all D-Bus objects and memory before you call dbus_shutdown(), so no - * thread can be using libdbus.) - * - * The purpose of dbus_shutdown() is to allow applications to get - * clean output from memory leak checkers. dbus_shutdown() may also be - * useful if you want to dlopen() libdbus instead of linking to it, - * and want to be able to unload the library again. - * - * There is absolutely no requirement to call dbus_shutdown() - in fact, - * most applications won't bother and should not feel guilty. - * - * You have to know that nobody is using libdbus in your application's - * process before you can call dbus_shutdown(). One implication of this - * is that calling dbus_shutdown() from a library is almost certainly - * wrong, since you don't know what the rest of the app is up to. - * - */ -void -dbus_shutdown (void) -{ - while (registered_globals != NULL) - { - ShutdownClosure *c; - - c = registered_globals; - registered_globals = c->next; - - (* c->func) (c->data); - - dbus_free (c); - } - - /* We wrap this in the thread-initialization lock because - * dbus_threads_init() uses the current generation to tell whether - * we're initialized, so we need to make sure that un-initializing - * propagates into all threads. */ - _dbus_threads_lock_platform_specific (); - _dbus_current_generation += 1; - _dbus_threads_unlock_platform_specific (); -} - -/** @} */ /** End of public API docs block */ - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS -#include "dbus-test.h" - -/** - * @ingroup DBusMemoryInternals - * Unit test for DBusMemory - * @returns #TRUE on success. - */ -dbus_bool_t -_dbus_memory_test (void) -{ - dbus_bool_t old_guards; - void *p; - size_t size; - - old_guards = guards; - guards = TRUE; - p = dbus_malloc (4); - if (p == NULL) - _dbus_assert_not_reached ("no memory"); - for (size = 4; size < 256; size += 4) - { - p = dbus_realloc (p, size); - if (p == NULL) - _dbus_assert_not_reached ("no memory"); - } - for (size = 256; size != 0; size -= 4) - { - p = dbus_realloc (p, size); - if (p == NULL) - _dbus_assert_not_reached ("no memory"); - } - dbus_free (p); - guards = old_guards; - return TRUE; -} - -#endif |