tlsf: Use NULL instead of 0 for returning NULL pointers
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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cbba269403
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aee2920a88
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@ -367,7 +367,7 @@ static block_header_t* search_suitable_block(pool_t* pool, int* fli, int* sli)
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if (!fl_map)
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if (!fl_map)
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{
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{
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/* No free blocks available, memory has been exhausted. */
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/* No free blocks available, memory has been exhausted. */
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return 0;
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return NULL;
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}
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}
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fl = tlsf_ffs(fl_map);
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fl = tlsf_ffs(fl_map);
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@ -563,7 +563,7 @@ static block_header_t* block_trim_free_leading(pool_t* pool, block_header_t* blo
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static block_header_t* block_locate_free(pool_t* pool, size_t size)
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static block_header_t* block_locate_free(pool_t* pool, size_t size)
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{
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{
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int fl = 0, sl = 0;
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int fl = 0, sl = 0;
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block_header_t* block = 0;
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block_header_t* block = NULL;
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if (size)
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if (size)
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{
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{
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@ -582,7 +582,7 @@ static block_header_t* block_locate_free(pool_t* pool, size_t size)
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static void* block_prepare_used(pool_t* pool, block_header_t* block, size_t size)
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static void* block_prepare_used(pool_t* pool, block_header_t* block, size_t size)
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{
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{
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void* p = 0;
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void* p = NULL;
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if (block)
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if (block)
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{
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{
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block_trim_free(pool, block, size);
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block_trim_free(pool, block, size);
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@ -737,7 +737,7 @@ size_t tlsf_block_size(void* ptr)
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** tlsf_create, equal to the size of a pool_t plus overhead of the initial
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** tlsf_create, equal to the size of a pool_t plus overhead of the initial
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** free block and the sentinel block.
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** free block and the sentinel block.
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*/
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*/
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size_t tlsf_overhead()
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size_t tlsf_overhead(void)
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{
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{
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const size_t pool_overhead = sizeof(pool_t) + 2 * block_header_overhead;
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const size_t pool_overhead = sizeof(pool_t) + 2 * block_header_overhead;
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return pool_overhead;
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return pool_overhead;
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@ -790,7 +790,7 @@ tlsf_pool tlsf_create(void* mem, size_t bytes)
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(unsigned int)(pool_overhead + block_size_min),
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(unsigned int)(pool_overhead + block_size_min),
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(unsigned int)(pool_overhead + block_size_max));
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(unsigned int)(pool_overhead + block_size_max));
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#endif
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#endif
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return 0;
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return NULL;
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}
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}
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/* Construct a valid pool object. */
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/* Construct a valid pool object. */
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@ -915,7 +915,7 @@ void tlsf_free(tlsf_pool tlsf, void* ptr)
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void* tlsf_realloc(tlsf_pool tlsf, void* ptr, size_t size)
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void* tlsf_realloc(tlsf_pool tlsf, void* ptr, size_t size)
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{
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{
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pool_t* pool = tlsf_cast(pool_t*, tlsf);
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pool_t* pool = tlsf_cast(pool_t*, tlsf);
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void* p = 0;
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void* p = NULL;
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/* Zero-size requests are treated as free. */
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/* Zero-size requests are treated as free. */
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if (ptr && size == 0)
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if (ptr && size == 0)
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