Improve MemoryLog buffer size checks.

GitOrigin-RevId: f7f270f7e2587aadb5d682aca4c7279dd27d770f

1 files changed, 3 insertions, 1 deletions

diff --git a/tdutils/td/utils/MemoryLog.h b/tdutils/td/utils/MemoryLog.h
index 8fbe047da..c762d28bc 100644
--- a/tdutils/td/utils/MemoryLog.h
+++ b/tdutils/td/utils/MemoryLog.h
@@ -19,7 +19,9 @@ namespace td {
 template <int buffer_size = 32 * (1 << 10)>
 class MemoryLog : public LogInterface {
   static constexpr size_t MAX_OUTPUT_SIZE = buffer_size / 16 < (8 << 10) ? buffer_size / 16 : (8 << 10);
-  static_assert((buffer_size & 15) == 0 && buffer_size >= (8 << 10), "Invalid buffer size");
+
+  static_assert((buffer_size & (buffer_size - 1)) == 0, "Buffer size must be power of 2");
+  static_assert(buffer_size >= (8 << 10), "Too small buffer size");
 
  public:
   MemoryLog() {