diff options
| -rw-r--r-- | newlib/libc/stdlib/nano-mallocr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/newlib/libc/stdlib/nano-mallocr.c b/newlib/libc/stdlib/nano-mallocr.c index 3970753a9..6ba0eb74b 100644 --- a/newlib/libc/stdlib/nano-mallocr.c +++ b/newlib/libc/stdlib/nano-mallocr.c @@ -476,15 +476,15 @@ void * nano_realloc(RARG void * ptr, malloc_size_t size) return NULL; } - /* TODO: There is chance to shrink the chunk if newly requested - * size is much small */ old_size = nano_malloc_usable_size(RCALL ptr); - if (old_size >= size) + if (size <= old_size && (old_size >> 1) < size) return ptr; mem = nano_malloc(RCALL size); if (mem != NULL) { + if (old_size > size) + old_size = size; memcpy(mem, ptr, old_size); nano_free(RCALL ptr); } |