devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Half the number of malloc() calls on APPLICATION builds in skin_buffer_alloc(). these are still presumably wasteing alot of RAM and could be merged further

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28520 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2010-11-06 14:18:33 +00:00
parent 781f05e40d
commit c98e525f29
1 changed files with 5 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

12
lib/skin_parser/skin_buffer.c
View file

@ -63,8 +63,8 @@ static unsigned char *buffer_front = NULL;
#ifdef USE_HOST_MALLOC #ifdef USE_HOST_MALLOC
struct malloc_object { struct malloc_object {
void* object;
struct malloc_object *next; struct malloc_object *next;
char buf[0];
}; };
static struct malloc_object *malloced_head = NULL, *malloced_tail = NULL; static struct malloc_object *malloced_head = NULL, *malloced_tail = NULL;
@ -76,7 +76,6 @@ static void skin_free_malloced(void)
{ {
this = obj; this = obj;
obj = this->next; obj = this->next;
free(this->object);
free(this); free(this);
} }
malloced_head = NULL; malloced_head = NULL;
@ -108,17 +107,16 @@ void* skin_buffer_alloc(size_t size)
retval = buffer_front; retval = buffer_front;
buffer_front += size; buffer_front += size;
#elif defined(USE_HOST_MALLOC) #elif defined(USE_HOST_MALLOC)
struct malloc_object *obj = malloc(sizeof (struct malloc_object)); size_t malloc_size = sizeof(struct malloc_object) + size;
if (!obj) struct malloc_object *obj = malloc(malloc_size);
return NULL; retval = &obj->buf;
obj->object = malloc(size);
obj->next = NULL; obj->next = NULL;
if (malloced_tail == NULL) if (malloced_tail == NULL)
malloced_head = malloced_tail = obj; malloced_head = malloced_tail = obj;
else else
malloced_tail->next = obj; malloced_tail->next = obj;
malloced_tail = obj; malloced_tail = obj;
retval = obj->object;
#else #else
retval = malloc(size); retval = malloc(size);
#endif #endif