/* Sparse Arrays for Objective C dispatch tables
- Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1993-2014 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-/* As a special exception, if you link this library with files
- compiled with GCC to produce an executable, this does not cause
- the resulting executable to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
-
-#include "sarray.h"
-#include "runtime.h"
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "objc-private/common.h"
+#include "objc-private/sarray.h"
+#include "objc/runtime.h" /* For objc_malloc */
+#include "objc/thr.h" /* For objc_mutex_lock */
+#include "objc-private/module-abi-8.h"
+#include "objc-private/runtime.h"
#include <stdio.h>
-#include "assert.h"
+#include <string.h> /* For memset */
+#include <assert.h> /* For assert */
int nbuckets = 0; /* !T:MUTEX */
int nindices = 0; /* !T:MUTEX */
int narrays = 0; /* !T:MUTEX */
int idxsize = 0; /* !T:MUTEX */
-static void * first_free_data = NULL; /* !T:MUTEX */
+static void *first_free_data = NULL; /* !T:MUTEX */
#ifdef OBJC_SPARSE2
-const char* __objc_sparse2_id = "2 level sparse indices";
+const char *__objc_sparse2_id = "2 level sparse indices";
#endif
#ifdef OBJC_SPARSE3
-const char* __objc_sparse3_id = "3 level sparse indices";
-#endif
-
-#if defined(__alpha__) || (defined(__sparc__) && (defined(__sparcv9) || defined(__arch64__))) || (defined(__ia64__) && defined(__LP64__))
-const void *memcpy (void*, const void*, size_t);
+const char *__objc_sparse3_id = "3 level sparse indices";
#endif
/* This function removes any structures left over from free operations
that were not safe in a multi-threaded environment. */
void
-sarray_remove_garbage(void)
+sarray_remove_garbage (void)
{
void **vp;
void *np;
- objc_mutex_lock(__objc_runtime_mutex);
+ objc_mutex_lock (__objc_runtime_mutex);
vp = first_free_data;
first_free_data = NULL;
- while (vp) {
- np = *vp;
- objc_free(vp);
- vp = np;
- }
+ while (vp)
+ {
+ np = *vp;
+ objc_free (vp);
+ vp = np;
+ }
- objc_mutex_unlock(__objc_runtime_mutex);
+ objc_mutex_unlock (__objc_runtime_mutex);
}
-/* Free a block of dynamically allocated memory. If we are in multi-threaded
- mode, it is ok to free it. If not, we add it to the garbage heap to be
- freed later. */
-
+/* Free a block of dynamically allocated memory. If we are in
+ multi-threaded mode, it is ok to free it. If not, we add it to the
+ garbage heap to be freed later. */
static void
-sarray_free_garbage(void *vp)
+sarray_free_garbage (void *vp)
{
- objc_mutex_lock(__objc_runtime_mutex);
+ objc_mutex_lock (__objc_runtime_mutex);
- if (__objc_runtime_threads_alive == 1) {
- objc_free(vp);
- if (first_free_data)
- sarray_remove_garbage();
- }
- else {
- *(void **)vp = first_free_data;
- first_free_data = vp;
- }
-
- objc_mutex_unlock(__objc_runtime_mutex);
+ if (__objc_runtime_threads_alive == 1)
+ {
+ objc_free (vp);
+ if (first_free_data)
+ sarray_remove_garbage ();
+ }
+ else
+ {
+ *(void **)vp = first_free_data;
+ first_free_data = vp;
+ }
+
+ objc_mutex_unlock (__objc_runtime_mutex);
}
-/* sarray_at_put : copies data in such a way as to be thread reader safe. */
+/* sarray_at_put copies data in such a way as to be thread reader
+ safe. */
void
-sarray_at_put(struct sarray* array, sidx index, void* element)
+sarray_at_put (struct sarray *array, sidx index, void *element)
{
#ifdef OBJC_SPARSE3
- struct sindex** the_index;
- struct sindex* new_index;
+ struct sindex **the_index;
+ struct sindex *new_index;
#endif
- struct sbucket** the_bucket;
- struct sbucket* new_bucket;
+ struct sbucket **the_bucket;
+ struct sbucket *new_bucket;
#ifdef OBJC_SPARSE3
size_t ioffset;
#endif
#endif
#endif /* not PRECOMPUTE_SELECTORS */
- assert(soffset_decode(index) < array->capacity); /* Range check */
+ assert (soffset_decode (index) < array->capacity); /* Range check */
#ifdef OBJC_SPARSE3
the_index = &(array->indices[ioffset]);
#endif
if ((*the_bucket)->elems[eoffset] == element)
- return; /* great! we just avoided a lazy copy */
+ return; /* Great! we just avoided a lazy copy. */
#ifdef OBJC_SPARSE3
- /* First, perform lazy copy/allocation of index if needed */
-
- if ((*the_index) == array->empty_index) {
-
- /* The index was previously empty, allocate a new */
- new_index = (struct sindex*)objc_malloc(sizeof(struct sindex));
- memcpy(new_index, array->empty_index, sizeof(struct sindex));
- new_index->version.version = array->version.version;
- *the_index = new_index; /* Prepared for install. */
- the_bucket = &((*the_index)->buckets[boffset]);
-
- nindices += 1;
- } else if ((*the_index)->version.version != array->version.version) {
-
- /* This index must be lazy copied */
- struct sindex* old_index = *the_index;
- new_index = (struct sindex*)objc_malloc(sizeof(struct sindex));
- memcpy( new_index, old_index, sizeof(struct sindex));
- new_index->version.version = array->version.version;
- *the_index = new_index; /* Prepared for install. */
- the_bucket = &((*the_index)->buckets[boffset]);
-
- nindices += 1;
- }
+ /* First, perform lazy copy/allocation of index if needed. */
+ if ((*the_index) == array->empty_index)
+ {
+ /* The index was previously empty, allocate a new. */
+ new_index = (struct sindex *) objc_malloc (sizeof (struct sindex));
+ memcpy (new_index, array->empty_index, sizeof (struct sindex));
+ new_index->version.version = array->version.version;
+ *the_index = new_index; /* Prepared for install. */
+ the_bucket = &((*the_index)->buckets[boffset]);
+
+ nindices += 1;
+ }
+ else if ((*the_index)->version.version != array->version.version)
+ {
+ /* This index must be lazy copied. */
+ struct sindex *old_index = *the_index;
+ new_index = (struct sindex *) objc_malloc (sizeof (struct sindex));
+ memcpy (new_index, old_index, sizeof (struct sindex));
+ new_index->version.version = array->version.version;
+ *the_index = new_index; /* Prepared for install. */
+ the_bucket = &((*the_index)->buckets[boffset]);
+
+ nindices += 1;
+ }
+
#endif /* OBJC_SPARSE3 */
-
- /* next, perform lazy allocation/copy of the bucket if needed */
-
- if ((*the_bucket) == array->empty_bucket) {
-
- /* The bucket was previously empty (or something like that), */
- /* allocate a new. This is the effect of `lazy' allocation */
- new_bucket = (struct sbucket*)objc_malloc(sizeof(struct sbucket));
- memcpy((void *) new_bucket, (const void*)array->empty_bucket,
- sizeof(struct sbucket));
- new_bucket->version.version = array->version.version;
- *the_bucket = new_bucket; /* Prepared for install. */
-
- nbuckets += 1;
-
- } else if ((*the_bucket)->version.version != array->version.version) {
-
- /* Perform lazy copy. */
- struct sbucket* old_bucket = *the_bucket;
- new_bucket = (struct sbucket*)objc_malloc(sizeof(struct sbucket));
- memcpy( new_bucket, old_bucket, sizeof(struct sbucket));
- new_bucket->version.version = array->version.version;
- *the_bucket = new_bucket; /* Prepared for install. */
-
- nbuckets += 1;
-
- }
+
+ /* Next, perform lazy allocation/copy of the bucket if needed. */
+ if ((*the_bucket) == array->empty_bucket)
+ {
+ /* The bucket was previously empty (or something like that),
+ allocate a new. This is the effect of `lazy' allocation. */
+ new_bucket = (struct sbucket *) objc_malloc (sizeof (struct sbucket));
+ memcpy ((void *) new_bucket, (const void *) array->empty_bucket,
+ sizeof (struct sbucket));
+ new_bucket->version.version = array->version.version;
+ *the_bucket = new_bucket; /* Prepared for install. */
+
+ nbuckets += 1;
+
+ }
+ else if ((*the_bucket)->version.version != array->version.version)
+ {
+ /* Perform lazy copy. */
+ struct sbucket *old_bucket = *the_bucket;
+ new_bucket = (struct sbucket *) objc_malloc (sizeof (struct sbucket));
+ memcpy (new_bucket, old_bucket, sizeof (struct sbucket));
+ new_bucket->version.version = array->version.version;
+ *the_bucket = new_bucket; /* Prepared for install. */
+
+ nbuckets += 1;
+ }
(*the_bucket)->elems[eoffset] = element;
}
void
-sarray_at_put_safe(struct sarray* array, sidx index, void* element)
+sarray_at_put_safe (struct sarray *array, sidx index, void *element)
{
- if(soffset_decode(index) >= array->capacity)
- sarray_realloc(array, soffset_decode(index)+1);
- sarray_at_put(array, index, element);
+ if (soffset_decode (index) >= array->capacity)
+ sarray_realloc (array, soffset_decode (index) + 1);
+ sarray_at_put (array, index, element);
}
-struct sarray*
-sarray_new (int size, void* default_element)
+struct sarray *
+sarray_new (int size, void *default_element)
{
- struct sarray* arr;
+ struct sarray *arr;
#ifdef OBJC_SPARSE3
- size_t num_indices = ((size-1)/(INDEX_CAPACITY))+1;
- struct sindex ** new_indices;
+ size_t num_indices = ((size - 1)/(INDEX_CAPACITY)) + 1;
+ struct sindex **new_indices;
#else /* OBJC_SPARSE2 */
- size_t num_indices = ((size-1)/BUCKET_SIZE)+1;
- struct sbucket ** new_buckets;
+ size_t num_indices = ((size - 1)/BUCKET_SIZE) + 1;
+ struct sbucket **new_buckets;
#endif
- int counter;
+ size_t counter;
- assert(size > 0);
+ assert (size > 0);
- /* Allocate core array */
- arr = (struct sarray*) objc_malloc(sizeof(struct sarray));
+ /* Allocate core array. */
+ arr = (struct sarray *) objc_malloc (sizeof (struct sarray));
arr->version.version = 0;
- /* Initialize members */
+ /* Initialize members. */
#ifdef OBJC_SPARSE3
arr->capacity = num_indices*INDEX_CAPACITY;
- new_indices = (struct sindex**)
- objc_malloc(sizeof(struct sindex*)*num_indices);
-
- arr->empty_index = (struct sindex*) objc_malloc(sizeof(struct sindex));
+ new_indices = (struct sindex **)
+ objc_malloc (sizeof (struct sindex *) * num_indices);
+
+ arr->empty_index = (struct sindex *) objc_malloc (sizeof (struct sindex));
arr->empty_index->version.version = 0;
narrays += 1;
#else /* OBJC_SPARSE2 */
arr->capacity = num_indices*BUCKET_SIZE;
- new_buckets = (struct sbucket**)
- objc_malloc(sizeof(struct sbucket*)*num_indices);
+ new_buckets = (struct sbucket **)
+ objc_malloc (sizeof (struct sbucket *) * num_indices);
narrays += 1;
idxsize += num_indices;
#endif
- arr->empty_bucket = (struct sbucket*) objc_malloc(sizeof(struct sbucket));
+ arr->empty_bucket = (struct sbucket *) objc_malloc (sizeof (struct sbucket));
arr->empty_bucket->version.version = 0;
nbuckets += 1;
arr->ref_count = 1;
- arr->is_copy_of = (struct sarray*)0;
+ arr->is_copy_of = (struct sarray *) 0;
- for (counter=0; counter<BUCKET_SIZE; counter++)
+ for (counter = 0; counter < BUCKET_SIZE; counter++)
arr->empty_bucket->elems[counter] = default_element;
#ifdef OBJC_SPARSE3
- for (counter=0; counter<INDEX_SIZE; counter++)
+ for (counter = 0; counter < INDEX_SIZE; counter++)
arr->empty_index->buckets[counter] = arr->empty_bucket;
- for (counter=0; counter<num_indices; counter++)
+ for (counter = 0; counter < num_indices; counter++)
new_indices[counter] = arr->empty_index;
#else /* OBJC_SPARSE2 */
- for (counter=0; counter<num_indices; counter++)
+ for (counter = 0; counter < num_indices; counter++)
new_buckets[counter] = arr->empty_bucket;
#endif
}
\f
-/* Reallocate the sparse array to hold `newsize' entries
- Note: We really allocate and then free. We have to do this to ensure that
- any concurrent readers notice the update. */
-
+/* Reallocate the sparse array to hold `newsize' entries Note: We
+ really allocate and then free. We have to do this to ensure that
+ any concurrent readers notice the update. */
void
-sarray_realloc(struct sarray* array, int newsize)
+sarray_realloc (struct sarray *array, int newsize)
{
#ifdef OBJC_SPARSE3
- size_t old_max_index = (array->capacity-1)/INDEX_CAPACITY;
- size_t new_max_index = ((newsize-1)/INDEX_CAPACITY);
- size_t rounded_size = (new_max_index+1)*INDEX_CAPACITY;
+ size_t old_max_index = (array->capacity - 1)/INDEX_CAPACITY;
+ size_t new_max_index = ((newsize - 1)/INDEX_CAPACITY);
+ size_t rounded_size = (new_max_index + 1) * INDEX_CAPACITY;
- struct sindex ** new_indices;
- struct sindex ** old_indices;
+ struct sindex **new_indices;
+ struct sindex **old_indices;
#else /* OBJC_SPARSE2 */
- size_t old_max_index = (array->capacity-1)/BUCKET_SIZE;
- size_t new_max_index = ((newsize-1)/BUCKET_SIZE);
- size_t rounded_size = (new_max_index+1)*BUCKET_SIZE;
+ size_t old_max_index = (array->capacity - 1)/BUCKET_SIZE;
+ size_t new_max_index = ((newsize - 1)/BUCKET_SIZE);
+ size_t rounded_size = (new_max_index + 1) * BUCKET_SIZE;
- struct sbucket ** new_buckets;
- struct sbucket ** old_buckets;
+ struct sbucket **new_buckets;
+ struct sbucket **old_buckets;
#endif
- int counter;
+ size_t counter;
- assert(newsize > 0);
+ assert (newsize > 0);
- /* The size is the same, just ignore the request */
- if(rounded_size <= array->capacity)
+ /* The size is the same, just ignore the request. */
+ if (rounded_size <= array->capacity)
return;
- assert(array->ref_count == 1); /* stop if lazy copied... */
+ assert (array->ref_count == 1); /* stop if lazy copied... */
- /* We are asked to extend the array -- allocate new bucket table, */
- /* and insert empty_bucket in newly allocated places. */
- if(rounded_size > array->capacity)
+ /* We are asked to extend the array -- allocate new bucket table,
+ and insert empty_bucket in newly allocated places. */
+ if (rounded_size > array->capacity)
{
-
#ifdef OBJC_SPARSE3
new_max_index += 4;
- rounded_size = (new_max_index+1)*INDEX_CAPACITY;
-
+ rounded_size = (new_max_index + 1) * INDEX_CAPACITY;
#else /* OBJC_SPARSE2 */
new_max_index += 4;
- rounded_size = (new_max_index+1)*BUCKET_SIZE;
+ rounded_size = (new_max_index + 1) * BUCKET_SIZE;
#endif
- /* update capacity */
+ /* Update capacity. */
array->capacity = rounded_size;
#ifdef OBJC_SPARSE3
- /* alloc to force re-read by any concurrent readers. */
+ /* Alloc to force re-read by any concurrent readers. */
old_indices = array->indices;
- new_indices = (struct sindex**)
- objc_malloc((new_max_index+1)*sizeof(struct sindex*));
+ new_indices = (struct sindex **)
+ objc_malloc ((new_max_index + 1) * sizeof (struct sindex *));
#else /* OBJC_SPARSE2 */
old_buckets = array->buckets;
- new_buckets = (struct sbucket**)
- objc_malloc((new_max_index+1)*sizeof(struct sbucket*));
+ new_buckets = (struct sbucket **)
+ objc_malloc ((new_max_index + 1) * sizeof (struct sbucket *));
#endif
- /* copy buckets below old_max_index (they are still valid) */
- for(counter = 0; counter <= old_max_index; counter++ ) {
+ /* Copy buckets below old_max_index (they are still valid). */
+ for (counter = 0; counter <= old_max_index; counter++ )
+ {
#ifdef OBJC_SPARSE3
- new_indices[counter] = old_indices[counter];
+ new_indices[counter] = old_indices[counter];
#else /* OBJC_SPARSE2 */
- new_buckets[counter] = old_buckets[counter];
+ new_buckets[counter] = old_buckets[counter];
#endif
- }
+ }
#ifdef OBJC_SPARSE3
- /* reset entries above old_max_index to empty_bucket */
- for(counter = old_max_index+1; counter <= new_max_index; counter++)
+ /* Reset entries above old_max_index to empty_bucket. */
+ for (counter = old_max_index + 1; counter <= new_max_index; counter++)
new_indices[counter] = array->empty_index;
#else /* OBJC_SPARSE2 */
- /* reset entries above old_max_index to empty_bucket */
- for(counter = old_max_index+1; counter <= new_max_index; counter++)
+ /* Reset entries above old_max_index to empty_bucket. */
+ for (counter = old_max_index + 1; counter <= new_max_index; counter++)
new_buckets[counter] = array->empty_bucket;
#endif
#ifdef OBJC_SPARSE3
- /* install the new indices */
+ /* Install the new indices. */
array->indices = new_indices;
#else /* OBJC_SPARSE2 */
array->buckets = new_buckets;
#endif
#ifdef OBJC_SPARSE3
- /* free the old indices */
- sarray_free_garbage(old_indices);
+ /* Free the old indices. */
+ sarray_free_garbage (old_indices);
#else /* OBJC_SPARSE2 */
- sarray_free_garbage(old_buckets);
+ sarray_free_garbage (old_buckets);
#endif
idxsize += (new_max_index-old_max_index);
\f
/* Free a sparse array allocated with sarray_new */
-
void
-sarray_free(struct sarray* array) {
-
+sarray_free (struct sarray *array) {
#ifdef OBJC_SPARSE3
- size_t old_max_index = (array->capacity-1)/INDEX_CAPACITY;
- struct sindex ** old_indices;
+ size_t old_max_index = (array->capacity - 1)/INDEX_CAPACITY;
+ struct sindex **old_indices;
#else
- size_t old_max_index = (array->capacity-1)/BUCKET_SIZE;
- struct sbucket ** old_buckets;
+ size_t old_max_index = (array->capacity - 1)/BUCKET_SIZE;
+ struct sbucket **old_buckets;
#endif
- int counter = 0;
+ size_t counter = 0;
- assert(array->ref_count != 0); /* Freed multiple times!!! */
+ assert (array->ref_count != 0); /* Freed multiple times!!! */
- if(--(array->ref_count) != 0) /* There exists copies of me */
+ if (--(array->ref_count) != 0) /* There exists copies of me */
return;
#ifdef OBJC_SPARSE3
#else
old_buckets = array->buckets;
#endif
-
- if((array->is_copy_of) && ((array->is_copy_of->ref_count - 1) == 0))
- sarray_free(array->is_copy_of);
- /* Free all entries that do not point to empty_bucket */
- for(counter = 0; counter <= old_max_index; counter++ ) {
+ /* Free all entries that do not point to empty_bucket. */
+ for (counter = 0; counter <= old_max_index; counter++ )
+ {
#ifdef OBJC_SPARSE3
- struct sindex* idx = old_indices[counter];
- if((idx != array->empty_index) &&
- (idx->version.version == array->version.version)) {
- int c2;
- for(c2=0; c2<INDEX_SIZE; c2++) {
- struct sbucket* bkt = idx->buckets[c2];
- if((bkt != array->empty_bucket) &&
- (bkt->version.version == array->version.version))
- {
- sarray_free_garbage(bkt);
- nbuckets -= 1;
- }
- }
- sarray_free_garbage(idx);
- nindices -= 1;
- }
+ struct sindex *idx = old_indices[counter];
+ if ((idx != array->empty_index)
+ && (idx->version.version == array->version.version))
+ {
+ int c2;
+ for (c2 = 0; c2 < INDEX_SIZE; c2++)
+ {
+ struct sbucket *bkt = idx->buckets[c2];
+ if ((bkt != array->empty_bucket)
+ && (bkt->version.version == array->version.version))
+ {
+ sarray_free_garbage (bkt);
+ nbuckets -= 1;
+ }
+ }
+ sarray_free_garbage (idx);
+ nindices -= 1;
+ }
#else /* OBJC_SPARSE2 */
- struct sbucket* bkt = array->buckets[counter];
- if ((bkt != array->empty_bucket) &&
- (bkt->version.version == array->version.version))
- {
- sarray_free_garbage(bkt);
- nbuckets -= 1;
- }
+ struct sbucket *bkt = old_buckets[counter];
+ if ((bkt != array->empty_bucket)
+ && (bkt->version.version == array->version.version))
+ {
+ sarray_free_garbage (bkt);
+ nbuckets -= 1;
+ }
#endif
- }
-
+ }
+
#ifdef OBJC_SPARSE3
- /* free empty_index */
- if(array->empty_index->version.version == array->version.version) {
- sarray_free_garbage(array->empty_index);
- nindices -= 1;
- }
+ /* Free empty_index. */
+ if (array->empty_index->version.version == array->version.version)
+ {
+ sarray_free_garbage (array->empty_index);
+ nindices -= 1;
+ }
#endif
- /* free empty_bucket */
- if(array->empty_bucket->version.version == array->version.version) {
- sarray_free_garbage(array->empty_bucket);
- nbuckets -= 1;
- }
- idxsize -= (old_max_index+1);
+ /* Free empty_bucket. */
+ if (array->empty_bucket->version.version == array->version.version)
+ {
+ sarray_free_garbage (array->empty_bucket);
+ nbuckets -= 1;
+ }
+ idxsize -= (old_max_index + 1);
narrays -= 1;
-
+
#ifdef OBJC_SPARSE3
- /* free bucket table */
- sarray_free_garbage(array->indices);
-
+ /* Free bucket table. */
+ sarray_free_garbage (array->indices);
#else
- /* free bucket table */
- sarray_free_garbage(array->buckets);
-
+ /* Free bucket table. */
+ sarray_free_garbage (array->buckets);
#endif
- /* free array */
- sarray_free_garbage(array);
+ /* If this is a copy of another array, we free it (which might just
+ decrement its reference count so it will be freed when no longer
+ in use). */
+ if (array->is_copy_of)
+ sarray_free (array->is_copy_of);
+
+ /* Free array. */
+ sarray_free_garbage (array);
}
-/* This is a lazy copy. Only the core of the structure is actually */
-/* copied. */
-
-struct sarray*
-sarray_lazy_copy(struct sarray* oarr)
+/* This is a lazy copy. Only the core of the structure is actually
+ copied. */
+struct sarray *
+sarray_lazy_copy (struct sarray *oarr)
{
- struct sarray* arr;
+ struct sarray *arr;
#ifdef OBJC_SPARSE3
- size_t num_indices = ((oarr->capacity-1)/INDEX_CAPACITY)+1;
- struct sindex ** new_indices;
+ size_t num_indices = ((oarr->capacity - 1)/INDEX_CAPACITY) + 1;
+ struct sindex **new_indices;
#else /* OBJC_SPARSE2 */
- size_t num_indices = ((oarr->capacity-1)/BUCKET_SIZE)+1;
- struct sbucket ** new_buckets;
+ size_t num_indices = ((oarr->capacity - 1)/BUCKET_SIZE) + 1;
+ struct sbucket **new_buckets;
#endif
- /* Allocate core array */
- arr = (struct sarray*) objc_malloc(sizeof(struct sarray)); /* !!! */
+ /* Allocate core array. */
+ arr = (struct sarray *) objc_malloc (sizeof (struct sarray)); /* !!! */
arr->version.version = oarr->version.version + 1;
#ifdef OBJC_SPARSE3
arr->empty_index = oarr->empty_index;
arr->capacity = oarr->capacity;
#ifdef OBJC_SPARSE3
- /* Copy bucket table */
- new_indices = (struct sindex**)
- objc_malloc(sizeof(struct sindex*)*num_indices);
- memcpy( new_indices,oarr->indices,
- sizeof(struct sindex*)*num_indices);
+ /* Copy bucket table. */
+ new_indices = (struct sindex **)
+ objc_malloc (sizeof (struct sindex *) * num_indices);
+ memcpy (new_indices, oarr->indices, sizeof (struct sindex *) * num_indices);
arr->indices = new_indices;
#else
- /* Copy bucket table */
- new_buckets = (struct sbucket**)
- objc_malloc(sizeof(struct sbucket*)*num_indices);
- memcpy( new_buckets,oarr->buckets,
- sizeof(struct sbucket*)*num_indices);
+ /* Copy bucket table. */
+ new_buckets = (struct sbucket **)
+ objc_malloc (sizeof (struct sbucket *) * num_indices);
+ memcpy (new_buckets, oarr->buckets, sizeof (struct sbucket *) * num_indices);
arr->buckets = new_buckets;
#endif