95 static void debug_header( memory_header *hdr )  in debug_header()  argument
103                       (size_t) hdr, (size_t) hdr->prev, (size_t) hdr->next,  in debug_header()
104                       hdr->alloc, hdr->size );  in debug_header()
106                       (size_t) hdr->prev_free, (size_t) hdr->next_free );  in debug_header()
110     for( i = 0; i < hdr->trace_count; i++ )  in debug_header()
111         mbedtls_fprintf( stderr, "%s\n", hdr->trace[i] );  in debug_header()
138 static int verify_header( memory_header *hdr )  in verify_header()  argument
140     if( hdr->magic1 != MAGIC1 )  in verify_header()
148     if( hdr->magic2 != MAGIC2 )  in verify_header()
156     if( hdr->alloc > 1 )  in verify_header()
164     if( hdr->prev != NULL && hdr->prev == hdr->next )  in verify_header()
172     if( hdr->prev_free != NULL && hdr->prev_free == hdr->next_free )  in verify_header()
383     memory_header *hdr, *old = NULL;  in buffer_alloc_free()  local
399     hdr = (memory_header *) p;  in buffer_alloc_free()
401     if( verify_header( hdr ) != 0 )  in buffer_alloc_free()
404     if( hdr->alloc != 1 )  in buffer_alloc_free()
413     hdr->alloc = 0;  in buffer_alloc_free()
417     heap.total_used -= hdr->size;  in buffer_alloc_free()
421     free( hdr->trace );  in buffer_alloc_free()
422     hdr->trace = NULL;  in buffer_alloc_free()
423     hdr->trace_count = 0;  in buffer_alloc_free()
428     if( hdr->prev != NULL && hdr->prev->alloc == 0 )  in buffer_alloc_free()
433         hdr->prev->size += sizeof(memory_header) + hdr->size;  in buffer_alloc_free()
434         hdr->prev->next = hdr->next;  in buffer_alloc_free()
435         old = hdr;  in buffer_alloc_free()
436         hdr = hdr->prev;  in buffer_alloc_free()
438         if( hdr->next != NULL )  in buffer_alloc_free()
439             hdr->next->prev = hdr;  in buffer_alloc_free()
446     if( hdr->next != NULL && hdr->next->alloc == 0 )  in buffer_alloc_free()
451         hdr->size += sizeof(memory_header) + hdr->next->size;  in buffer_alloc_free()
452         old = hdr->next;  in buffer_alloc_free()
453         hdr->next = hdr->next->next;  in buffer_alloc_free()
455         if( hdr->prev_free != NULL || hdr->next_free != NULL )  in buffer_alloc_free()
457             if( hdr->prev_free != NULL )  in buffer_alloc_free()
458                 hdr->prev_free->next_free = hdr->next_free;  in buffer_alloc_free()
460                 heap.first_free = hdr->next_free;  in buffer_alloc_free()
462             if( hdr->next_free != NULL )  in buffer_alloc_free()
463                 hdr->next_free->prev_free = hdr->prev_free;  in buffer_alloc_free()
466         hdr->prev_free = old->prev_free;  in buffer_alloc_free()
467         hdr->next_free = old->next_free;  in buffer_alloc_free()
469         if( hdr->prev_free != NULL )  in buffer_alloc_free()
470             hdr->prev_free->next_free = hdr;  in buffer_alloc_free()
472             heap.first_free = hdr;  in buffer_alloc_free()
474         if( hdr->next_free != NULL )  in buffer_alloc_free()
475             hdr->next_free->prev_free = hdr;  in buffer_alloc_free()
477         if( hdr->next != NULL )  in buffer_alloc_free()
478             hdr->next->prev = hdr;  in buffer_alloc_free()
488         hdr->next_free = heap.first_free;  in buffer_alloc_free()
490             heap.first_free->prev_free = hdr;  in buffer_alloc_free()
491         heap.first_free = hdr;  in buffer_alloc_free()