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-rw-r--r--libc/bionic/malloc_debug_common.cpp2
-rw-r--r--libc/include/malloc.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/libc/bionic/malloc_debug_common.cpp b/libc/bionic/malloc_debug_common.cpp
index f6fa83c..9cc84c3 100644
--- a/libc/bionic/malloc_debug_common.cpp
+++ b/libc/bionic/malloc_debug_common.cpp
@@ -190,7 +190,7 @@ extern "C" struct mallinfo mallinfo() {
return dlmallinfo();
}
-extern "C" size_t malloc_usable_size(void* mem) {
+extern "C" size_t malloc_usable_size(const void* mem) {
return dlmalloc_usable_size(mem);
}
diff --git a/libc/include/malloc.h b/libc/include/malloc.h
index 8875e54..eaedc49 100644
--- a/libc/include/malloc.h
+++ b/libc/include/malloc.h
@@ -33,7 +33,7 @@ extern void* realloc(void* p, size_t byte_count) __wur;
extern void free(void* p);
extern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur;
-extern size_t malloc_usable_size(void* p);
+extern size_t malloc_usable_size(const void* p);
extern void* valloc(size_t byte_count) __mallocfunc __wur;
extern void* pvalloc(size_t byte_count) __mallocfunc __wur;