patch.txt
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diff --git Makefile Makefile
new file mode 100644
index 0000000..a51d6c2
--- /dev/null
+++ Makefile
@@ -0,0 +1,3 @@
+MODULE = tlsf
+
+include $(RIOTBASE)/Makefile.base
diff --git tlsf-malloc.c tlsf-malloc.c
new file mode 100644
index 0000000..cb16af8
--- /dev/null
+++ tlsf-malloc.c
@@ -0,0 +1,44 @@
+#include "irq.h"
+#include "tlsf-malloc.h"
+
+#include <string.h>
+
+void *TLSF_MALLOC_NAME(malloc)(size_t bytes)
+{
+ unsigned old_state = irq_disable();
+ void *result = tlsf_malloc(bytes);
+ irq_restore(old_state);
+ return result;
+}
+
+void *TLSF_MALLOC_NAME(calloc)(size_t count, size_t bytes)
+{
+ void *result = tlsf_malloc(count * bytes);
+ if (result) {
+ memset(result, 0, count * bytes);
+ }
+ return result;
+}
+
+void *TLSF_MALLOC_NAME(memalign)(size_t align, size_t bytes)
+{
+ unsigned old_state = irq_disable();
+ void *result = tlsf_memalign(align, bytes);
+ irq_restore(old_state);
+ return result;
+}
+
+void *TLSF_MALLOC_NAME(realloc)(void *ptr, size_t size)
+{
+ unsigned old_state = irq_disable();
+ void *result = tlsf_realloc(ptr, size);
+ irq_restore(old_state);
+ return result;
+}
+
+void TLSF_MALLOC_NAME(free)(void *ptr)
+{
+ unsigned old_state = irq_disable();
+ tlsf_free(ptr);
+ irq_restore(old_state);
+}
diff --git tlsf-malloc.h tlsf-malloc.h
new file mode 100644
index 0000000..2d8bb4d
--- /dev/null
+++ tlsf-malloc.h
@@ -0,0 +1,26 @@
+#ifndef __TLSF_MALLOC_H
+#define __TLSF_MALLOC_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "tlsf.h"
+
+#ifndef TLSF_MALLOC_PREFIX
+# define TLSF_MALLOC_PREFIX
+#endif
+#define __TLSF_MALLOC_NAME(A, B) A ## B
+#define _TLSF_MALLOC_NAME(A, B) __TLSF_MALLOC_NAME(A, B)
+#define TLSF_MALLOC_NAME(NAME) _TLSF_MALLOC_NAME(TLSF_MALLOC_PREFIX, NAME)
+
+void *TLSF_MALLOC_NAME(malloc)(size_t bytes);
+
+void *TLSF_MALLOC_NAME(calloc)(size_t count, size_t bytes);
+
+void *TLSF_MALLOC_NAME(memalign)(size_t align, size_t bytes);
+
+void *TLSF_MALLOC_NAME(realloc)(void *ptr, size_t size);
+
+void TLSF_MALLOC_NAME(free)(void *ptr);
+
+#endif
diff --git tlsf.c tlsf.c
index 3fb5ebd..99c84b2 100644
--- tlsf.c
+++ tlsf.c
@@ -25,4 +24,0 @@ enum tlsf_private
-#if defined (TLSF_64BIT)
- /* All allocation sizes and addresses are aligned to 8 bytes. */
- ALIGN_SIZE_LOG2 = 3,
-#else
@@ -30,3 +26,2 @@ enum tlsf_private
- ALIGN_SIZE_LOG2 = 2,
-#endif
- ALIGN_SIZE = (1 << ALIGN_SIZE_LOG2),
+#define ALIGN_SIZE_LOG2 (2)
+#define ALIGN_SIZE (1 << ALIGN_SIZE_LOG2)
@@ -45,7 +39,0 @@ enum tlsf_private
-#if defined (TLSF_64BIT)
- /*
- ** TODO: We can increase this to support larger sizes, at the expense
- ** of more overhead in the TLSF structure.
- */
- FL_INDEX_MAX = 32,
-#else
@@ -53 +40,0 @@ enum tlsf_private
-#endif
@@ -73 +60 @@ enum tlsf_private
-#define tlsf_assert assert
+#define tlsf_assert(X) do { if (0) { (void) (X); } } while (0)
@@ -147 +134 @@ static const size_t block_start_offset =
-static const size_t block_size_min =
+static const size_t block_size_min =
@@ -165,0 +153 @@ typedef struct control_t
+static control_t *control;
@@ -168,0 +157,4 @@ typedef ptrdiff_t tlsfptr_t;
+#ifdef DEVELHELP
+void *default_pool;
+#endif
+
@@ -345 +337 @@ static void mapping_search(size_t size, int* fli, int* sli)
-static block_header_t* search_suitable_block(control_t* control, int* fli, int* sli)
+static block_header_t* search_suitable_block(int* fli, int* sli)
@@ -354 +346 @@ static block_header_t* search_suitable_block(control_t* control, int* fli, int*
- unsigned int sl_map = control->sl_bitmap[fl] & (~0 << sl);
+ unsigned int sl_map = control->sl_bitmap[fl] & (((unsigned int)~0) << sl);
@@ -358 +350 @@ static block_header_t* search_suitable_block(control_t* control, int* fli, int*
- const unsigned int fl_map = control->fl_bitmap & (~0 << (fl + 1));
+ const unsigned int fl_map = control->fl_bitmap & (((unsigned int)~0) << (fl + 1));
@@ -378 +370 @@ static block_header_t* search_suitable_block(control_t* control, int* fli, int*
-static void remove_free_block(control_t* control, block_header_t* block, int fl, int sl)
+static void remove_free_block(block_header_t* block, int fl, int sl)
@@ -407 +399 @@ static void remove_free_block(control_t* control, block_header_t* block, int fl,
-static void insert_free_block(control_t* control, block_header_t* block, int fl, int sl)
+static void insert_free_block(block_header_t* block, int fl, int sl)
@@ -428 +420 @@ static void insert_free_block(control_t* control, block_header_t* block, int fl,
-static void block_remove(control_t* control, block_header_t* block)
+static void block_remove(block_header_t* block)
@@ -432 +424 @@ static void block_remove(control_t* control, block_header_t* block)
- remove_free_block(control, block, fl, sl);
+ remove_free_block(block, fl, sl);
@@ -436 +428 @@ static void block_remove(control_t* control, block_header_t* block)
-static void block_insert(control_t* control, block_header_t* block)
+static void block_insert(block_header_t* block)
@@ -440 +432 @@ static void block_insert(control_t* control, block_header_t* block)
- insert_free_block(control, block, fl, sl);
+ insert_free_block(block, fl, sl);
@@ -481 +473 @@ static block_header_t* block_absorb(block_header_t* prev, block_header_t* block)
-static block_header_t* block_merge_prev(control_t* control, block_header_t* block)
+static block_header_t* block_merge_prev(block_header_t* block)
@@ -488 +480 @@ static block_header_t* block_merge_prev(control_t* control, block_header_t* bloc
- block_remove(control, prev);
+ block_remove(prev);
@@ -496 +488 @@ static block_header_t* block_merge_prev(control_t* control, block_header_t* bloc
-static block_header_t* block_merge_next(control_t* control, block_header_t* block)
+static block_header_t* block_merge_next(block_header_t* block)
@@ -504 +496 @@ static block_header_t* block_merge_next(control_t* control, block_header_t* bloc
- block_remove(control, next);
+ block_remove(next);
@@ -512 +504 @@ static block_header_t* block_merge_next(control_t* control, block_header_t* bloc
-static void block_trim_free(control_t* control, block_header_t* block, size_t size)
+static void block_trim_free(block_header_t* block, size_t size)
@@ -520 +512 @@ static void block_trim_free(control_t* control, block_header_t* block, size_t si
- block_insert(control, remaining_block);
+ block_insert(remaining_block);
@@ -525 +517 @@ static void block_trim_free(control_t* control, block_header_t* block, size_t si
-static void block_trim_used(control_t* control, block_header_t* block, size_t size)
+static void block_trim_used(block_header_t* block, size_t size)
@@ -534,2 +526,2 @@ static void block_trim_used(control_t* control, block_header_t* block, size_t si
- remaining_block = block_merge_next(control, remaining_block);
- block_insert(control, remaining_block);
+ remaining_block = block_merge_next(remaining_block);
+ block_insert(remaining_block);
@@ -539 +531 @@ static void block_trim_used(control_t* control, block_header_t* block, size_t si
-static block_header_t* block_trim_free_leading(control_t* control, block_header_t* block, size_t size)
+static block_header_t* block_trim_free_leading(block_header_t* block, size_t size)
@@ -549 +541 @@ static block_header_t* block_trim_free_leading(control_t* control, block_header_
- block_insert(control, block);
+ block_insert(block);
@@ -555 +547 @@ static block_header_t* block_trim_free_leading(control_t* control, block_header_
-static block_header_t* block_locate_free(control_t* control, size_t size)
+static block_header_t* block_locate_free(size_t size)
@@ -563 +555 @@ static block_header_t* block_locate_free(control_t* control, size_t size)
- block = search_suitable_block(control, &fl, &sl);
+ block = search_suitable_block(&fl, &sl);
@@ -569 +561 @@ static block_header_t* block_locate_free(control_t* control, size_t size)
- remove_free_block(control, block, fl, sl);
+ remove_free_block(block, fl, sl);
@@ -575 +567 @@ static block_header_t* block_locate_free(control_t* control, size_t size)
-static void* block_prepare_used(control_t* control, block_header_t* block, size_t size)
+static void* block_prepare_used(block_header_t* block, size_t size)
@@ -580 +572 @@ static void* block_prepare_used(control_t* control, block_header_t* block, size_
- block_trim_free(control, block, size);
+ block_trim_free(block, size);
@@ -588 +580 @@ static void* block_prepare_used(control_t* control, block_header_t* block, size_
-static void control_construct(control_t* control)
+static void control_construct(void)
@@ -605,0 +598 @@ static void control_construct(control_t* control)
+#ifdef DEVELHELP
@@ -608,0 +602 @@ static void control_construct(control_t* control)
+typedef void (*tlsf_walker)(void* ptr, size_t size, int used);
@@ -610 +604 @@ static void control_construct(control_t* control)
-typedef struct integrity_t
+static void default_walker(void* ptr, size_t size, int used)
@@ -612,20 +606,2 @@ typedef struct integrity_t
- int prev_status;
- int status;
-} integrity_t;
-
-#define tlsf_insist(x) { tlsf_assert(x); if (!(x)) { status--; } }
-
-static void integrity_walker(void* ptr, size_t size, int used, void* user)
-{
- block_header_t* block = block_from_ptr(ptr);
- integrity_t* integ = tlsf_cast(integrity_t*, user);
- const int this_prev_status = block_is_prev_free(block) ? 1 : 0;
- const int this_status = block_is_free(block) ? 1 : 0;
- const size_t this_block_size = block_size(block);
-
- int status = 0;
- tlsf_insist(integ->prev_status == this_prev_status && "prev status incorrect");
- tlsf_insist(size == this_block_size && "block size incorrect");
-
- integ->prev_status = this_status;
- integ->status += status;
+ printf("\tMemory @ %p is %s, size: %u (block: %p)\n", ptr, used ? "used" : "free",
+ (unsigned int)size, (void*) block_from_ptr(ptr));
@@ -634 +610 @@ static void integrity_walker(void* ptr, size_t size, int used, void* user)
-int tlsf_check(tlsf_t tlsf)
+void tlsf_walk_pool(void *pool)
@@ -636,7 +612 @@ int tlsf_check(tlsf_t tlsf)
- int i, j;
-
- control_t* control = tlsf_cast(control_t*, tlsf);
- int status = 0;
-
- /* Check that the free lists and bitmaps are accurate. */
- for (i = 0; i < FL_INDEX_COUNT; ++i)
+ if (!pool)
@@ -644,37 +614 @@ int tlsf_check(tlsf_t tlsf)
- for (j = 0; j < SL_INDEX_COUNT; ++j)
- {
- const int fl_map = control->fl_bitmap & (1 << i);
- const int sl_list = control->sl_bitmap[i];
- const int sl_map = sl_list & (1 << j);
- const block_header_t* block = control->blocks[i][j];
-
- /* Check that first- and second-level lists agree. */
- if (!fl_map)
- {
- tlsf_insist(!sl_map && "second-level map must be null");
- }
-
- if (!sl_map)
- {
- tlsf_insist(block == &control->block_null && "block list must be null");
- continue;
- }
-
- /* Check that there is at least one free block. */
- tlsf_insist(sl_list && "no free blocks in second-level map");
- tlsf_insist(block != &control->block_null && "block should not be null");
-
- while (block != &control->block_null)
- {
- int fli, sli;
- tlsf_insist(block_is_free(block) && "block should be free");
- tlsf_insist(!block_is_prev_free(block) && "blocks should have coalesced");
- tlsf_insist(!block_is_free(block_next(block)) && "blocks should have coalesced");
- tlsf_insist(block_is_prev_free(block_next(block)) && "block should be free");
- tlsf_insist(block_size(block) >= block_size_min && "block not minimum size");
-
- mapping_insert(block_size(block), &fli, &sli);
- tlsf_insist(fli == i && sli == j && "block size indexed in wrong list");
- block = block->next_free;
- }
- }
+ pool = default_pool;
@@ -682,15 +615,0 @@ int tlsf_check(tlsf_t tlsf)
-
- return status;
-}
-
-#undef tlsf_insist
-
-static void default_walker(void* ptr, size_t size, int used, void* user)
-{
- (void)user;
- printf("\t%p %s size: %x (%p)\n", ptr, used ? "used" : "free", (unsigned int)size, block_from_ptr(ptr));
-}
-
-void tlsf_walk_pool(pool_t pool, tlsf_walker walker, void* user)
-{
- tlsf_walker pool_walker = walker ? walker : default_walker;
@@ -702 +621 @@ void tlsf_walk_pool(pool_t pool, tlsf_walker walker, void* user)
- pool_walker(
+ default_walker(
@@ -705,2 +624 @@ void tlsf_walk_pool(pool_t pool, tlsf_walker walker, void* user)
- !block_is_free(block),
- user);
+ !block_is_free(block));
@@ -720,0 +639 @@ size_t tlsf_block_size(void* ptr)
+#endif
@@ -722,49 +641 @@ size_t tlsf_block_size(void* ptr)
-int tlsf_check_pool(pool_t pool)
-{
- /* Check that the blocks are physically correct. */
- integrity_t integ = { 0, 0 };
- tlsf_walk_pool(pool, integrity_walker, &integ);
-
- return integ.status;
-}
-
-/*
-** Size of the TLSF structures in a given memory block passed to
-** tlsf_create, equal to the size of a control_t
-*/
-size_t tlsf_size()
-{
- return sizeof(control_t);
-}
-
-size_t tlsf_align_size()
-{
- return ALIGN_SIZE;
-}
-
-size_t tlsf_block_size_min()
-{
- return block_size_min;
-}
-
-size_t tlsf_block_size_max()
-{
- return block_size_max;
-}
-
-/*
-** Overhead of the TLSF structures in a given memory block passes to
-** tlsf_add_pool, equal to the overhead of a free block and the
-** sentinel block.
-*/
-size_t tlsf_pool_overhead()
-{
- return 2 * block_header_overhead;
-}
-
-size_t tlsf_alloc_overhead()
-{
- return block_header_overhead;
-}
-
-pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
+int tlsf_add_pool(void* mem, size_t bytes)
@@ -775 +646 @@ pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
- const size_t pool_overhead = tlsf_pool_overhead();
+ const size_t pool_overhead = 2 * block_header_overhead;
@@ -787,6 +658 @@ pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
-#if defined (TLSF_64BIT)
- printf("tlsf_add_pool: Memory size must be between 0x%x and 0x%x00 bytes.\n",
- (unsigned int)(pool_overhead + block_size_min),
- (unsigned int)((pool_overhead + block_size_max) / 256));
-#else
- printf("tlsf_add_pool: Memory size must be between %u and %u bytes.\n",
+ printf("tlsf_add_pool: Memory size must be between %u and %u bytes.\n",
@@ -795 +660,0 @@ pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
-#endif
@@ -808 +673 @@ pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
- block_insert(tlsf_cast(control_t*, tlsf), block);
+ block_insert(block);
@@ -816,13 +681,3 @@ pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
- return mem;
-}
-
-void tlsf_remove_pool(tlsf_t tlsf, pool_t pool)
-{
- control_t* control = tlsf_cast(control_t*, tlsf);
- block_header_t* block = offset_to_block(pool, -(int)block_header_overhead);
-
- int fl = 0, sl = 0;
-
- tlsf_assert(block_is_free(block) && "block should be free");
- tlsf_assert(!block_is_free(block_next(block)) && "next block should not be free");
- tlsf_assert(block_size(block_next(block)) == 0 && "next block size should be zero");
+#ifdef DEVELHELP
+ default_pool = mem;
+#endif
@@ -830,2 +685 @@ void tlsf_remove_pool(tlsf_t tlsf, pool_t pool)
- mapping_insert(block_size(block), &fl, &sl);
- remove_free_block(control, block, fl, sl);
+ return 1;
@@ -838,2 +692 @@ void tlsf_remove_pool(tlsf_t tlsf, pool_t pool)
-#if _DEBUG
-int test_ffs_fls()
+void tlsf_create(void* mem)
@@ -841,34 +693,0 @@ int test_ffs_fls()
- /* Verify ffs/fls work properly. */
- int rv = 0;
- rv += (tlsf_ffs(0) == -1) ? 0 : 0x1;
- rv += (tlsf_fls(0) == -1) ? 0 : 0x2;
- rv += (tlsf_ffs(1) == 0) ? 0 : 0x4;
- rv += (tlsf_fls(1) == 0) ? 0 : 0x8;
- rv += (tlsf_ffs(0x80000000) == 31) ? 0 : 0x10;
- rv += (tlsf_ffs(0x80008000) == 15) ? 0 : 0x20;
- rv += (tlsf_fls(0x80000008) == 31) ? 0 : 0x40;
- rv += (tlsf_fls(0x7FFFFFFF) == 30) ? 0 : 0x80;
-
-#if defined (TLSF_64BIT)
- rv += (tlsf_fls_sizet(0x80000000) == 31) ? 0 : 0x100;
- rv += (tlsf_fls_sizet(0x100000000) == 32) ? 0 : 0x200;
- rv += (tlsf_fls_sizet(0xffffffffffffffff) == 63) ? 0 : 0x400;
-#endif
-
- if (rv)
- {
- printf("tlsf_create: %x ffs/fls tests failed!\n", rv);
- }
- return rv;
-}
-#endif
-
-tlsf_t tlsf_create(void* mem)
-{
-#if _DEBUG
- if (test_ffs_fls())
- {
- return 0;
- }
-#endif
-
@@ -879 +698 @@ tlsf_t tlsf_create(void* mem)
- return 0;
+ return;
@@ -882 +701 @@ tlsf_t tlsf_create(void* mem)
- control_construct(tlsf_cast(control_t*, mem));
+ control = tlsf_cast(control_t*, mem);
@@ -884,14 +703 @@ tlsf_t tlsf_create(void* mem)
- return tlsf_cast(tlsf_t, mem);
-}
-
-tlsf_t tlsf_create_with_pool(void* mem, size_t bytes)
-{
- tlsf_t tlsf = tlsf_create(mem);
- tlsf_add_pool(tlsf, (char*)mem + tlsf_size(), bytes - tlsf_size());
- return tlsf;
-}
-
-void tlsf_destroy(tlsf_t tlsf)
-{
- /* Nothing to do. */
- (void)tlsf;
+ control_construct();
@@ -900 +706 @@ void tlsf_destroy(tlsf_t tlsf)
-pool_t tlsf_get_pool(tlsf_t tlsf)
+void tlsf_create_with_pool(void* mem, size_t bytes)
@@ -902 +708,2 @@ pool_t tlsf_get_pool(tlsf_t tlsf)
- return tlsf_cast(pool_t, (char*)tlsf + tlsf_size());
+ tlsf_create(mem);
+ tlsf_add_pool((char*)mem + sizeof(control_t), bytes - sizeof(control_t));
@@ -905 +712 @@ pool_t tlsf_get_pool(tlsf_t tlsf)
-void* tlsf_malloc(tlsf_t tlsf, size_t size)
+void* tlsf_malloc(size_t size)
@@ -907 +713,0 @@ void* tlsf_malloc(tlsf_t tlsf, size_t size)
- control_t* control = tlsf_cast(control_t*, tlsf);
@@ -909,2 +715,2 @@ void* tlsf_malloc(tlsf_t tlsf, size_t size)
- block_header_t* block = block_locate_free(control, adjust);
- return block_prepare_used(control, block, adjust);
+ block_header_t* block = block_locate_free(adjust);
+ return block_prepare_used(block, adjust);
@@ -913 +719 @@ void* tlsf_malloc(tlsf_t tlsf, size_t size)
-void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t size)
+void* tlsf_memalign(size_t align, size_t size)
@@ -915 +720,0 @@ void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t size)
- control_t* control = tlsf_cast(control_t*, tlsf);
@@ -932 +737 @@ void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t size)
- block_header_t* block = block_locate_free(control, aligned_size);
+ block_header_t* block = block_locate_free(aligned_size);
@@ -960 +765 @@ void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t size)
- block = block_trim_free_leading(control, block, gap);
+ block = block_trim_free_leading(block, gap);
@@ -964 +769 @@ void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t size)
- return block_prepare_used(control, block, adjust);
+ return block_prepare_used(block, adjust);
@@ -967 +772 @@ void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t size)
-void tlsf_free(tlsf_t tlsf, void* ptr)
+void tlsf_free(void* ptr)
@@ -972 +776,0 @@ void tlsf_free(tlsf_t tlsf, void* ptr)
- control_t* control = tlsf_cast(control_t*, tlsf);
@@ -976,3 +780,3 @@ void tlsf_free(tlsf_t tlsf, void* ptr)
- block = block_merge_prev(control, block);
- block = block_merge_next(control, block);
- block_insert(control, block);
+ block = block_merge_prev(block);
+ block = block_merge_next(block);
+ block_insert(block);
@@ -995 +799 @@ void tlsf_free(tlsf_t tlsf, void* ptr)
-void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
+void* tlsf_realloc(void* ptr, size_t size)
@@ -997 +800,0 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- control_t* control = tlsf_cast(control_t*, tlsf);
@@ -1003 +806 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- tlsf_free(tlsf, ptr);
+ tlsf_free(ptr);
@@ -1008 +811 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- p = tlsf_malloc(tlsf, size);
+ p = tlsf_malloc(size);
@@ -1027 +830 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- p = tlsf_malloc(tlsf, size);
+ p = tlsf_malloc(size);
@@ -1032 +835 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- tlsf_free(tlsf, ptr);
+ tlsf_free(ptr);
@@ -1040 +843 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- block_merge_next(control, block);
+ block_merge_next(block);
@@ -1045 +848 @@ void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
- block_trim_used(control, block, adjust);
+ block_trim_used(block, adjust);
diff --git tlsf.h tlsf.h
index 72496a1..6c945e5 100644
--- tlsf.h
+++ tlsf.h
@@ -25,5 +24,0 @@ extern "C" {
-/* tlsf_t: a TLSF structure. Can contain 1 to N pools. */
-/* pool_t: a block of memory that TLSF can manage. */
-typedef void* tlsf_t;
-typedef void* pool_t;
-
@@ -31,4 +26,2 @@ typedef void* pool_t;
-tlsf_t tlsf_create(void* mem);
-tlsf_t tlsf_create_with_pool(void* mem, size_t bytes);
-void tlsf_destroy(tlsf_t tlsf);
-pool_t tlsf_get_pool(tlsf_t tlsf);
+void tlsf_create(void* mem);
+void tlsf_create_with_pool(void* mem, size_t bytes);
@@ -37,2 +30 @@ pool_t tlsf_get_pool(tlsf_t tlsf);
-pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes);
-void tlsf_remove_pool(tlsf_t tlsf, pool_t pool);
+int tlsf_add_pool(void* mem, size_t bytes);
@@ -41,7 +33,4 @@ void tlsf_remove_pool(tlsf_t tlsf, pool_t pool);
-void* tlsf_malloc(tlsf_t tlsf, size_t bytes);
-void* tlsf_memalign(tlsf_t tlsf, size_t align, size_t bytes);
-void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size);
-void tlsf_free(tlsf_t tlsf, void* ptr);
-
-/* Returns internal block size, not original request size */
-size_t tlsf_block_size(void* ptr);
+void* tlsf_malloc(size_t bytes);
+void* tlsf_memalign(size_t align, size_t bytes);
+void* tlsf_realloc(void* ptr, size_t size);
+void tlsf_free(void* ptr);
@@ -49,14 +38,3 @@ size_t tlsf_block_size(void* ptr);
-/* Overheads/limits of internal structures. */
-size_t tlsf_size();
-size_t tlsf_align_size();
-size_t tlsf_block_size_min();
-size_t tlsf_block_size_max();
-size_t tlsf_pool_overhead();
-size_t tlsf_alloc_overhead();
-
-/* Debugging. */
-typedef void (*tlsf_walker)(void* ptr, size_t size, int used, void* user);
-void tlsf_walk_pool(pool_t pool, tlsf_walker walker, void* user);
-/* Returns nonzero if any internal consistency check fails. */
-int tlsf_check(tlsf_t tlsf);
-int tlsf_check_pool(pool_t pool);
+#ifdef DEVELHELP
+void tlsf_walk_pool(void *pool);
+#endif