diff options
Diffstat (limited to 'absl/log/internal/proto.cc')
| -rw-r--r-- | absl/log/internal/proto.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/absl/log/internal/proto.cc b/absl/log/internal/proto.cc index 9a2b1a39..14b071a9 100644 --- a/absl/log/internal/proto.cc +++ b/absl/log/internal/proto.cc @@ -15,6 +15,7 @@ #include "absl/log/internal/proto.h" #include <algorithm> +#include <cassert> #include <cstddef> #include <cstdint> #include <cstring> @@ -143,7 +144,9 @@ ABSL_MUST_USE_RESULT absl::Span<char> EncodeMessageStart( void EncodeMessageLength(absl::Span<char> msg, const absl::Span<char> *buf) { if (!msg.data()) return; - const size_t length_size = msg.size(); + assert(buf->data() >= msg.data()); + if (buf->data() < msg.data()) return; + const uint64_t length_size = msg.size(); EncodeRawVarint(static_cast<uint64_t>(buf->data() - msg.data()) - length_size, length_size, &msg); } |